The population of the bacteria is initially 20. At the end of Week 1, the population of the bacteria is 30. The population grows by 50% each week. What is the bacteria population at the end of Week 12? Round the answer to the nearest whole number. Enter your answer in the box.

Answers

Answer 1

Answer:

The population of the bacteria at the end of Week 12 is approximately 1,148

Step-by-step explanation:


Related Questions

As prophylaxis, your patient's spouse will take 600 mg of a drug Q4 weeks. T supply is a 15% solution. Which of the following amounts is safe to administe O 20 mL O 15 mL 4 mL O2

2mL​

Answers

The safe amount of dose to administer in this situation is 15mL

To solve this problem, we can use the following steps:

Calculate the amount of drug in 1 mL of the solution.

Divide the desired dose by the amount of drug per mL.

The amount of drug in 1 mL of the solution is:

15% * 1 mL = 0.15 mL

The other options are not safe because they would either deliver too much or too little medication. 20 mL would deliver 1000 mg, which is twice the desired dose. 4 mL would deliver only 60 mg, which is not enough medication. 2 mL would deliver only 30 mg, which is also not enough medication.

Therefore, the correct answer is 15 mL.

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Solve for length of segment d.
a = 4 cm
b = 12 cm
c = 6 cm
4.[?]
Enter the segment length tha
belongs in the green box.
=
If two segments intersect inside
or outside a circle: ab = cd

Answers

Answer:

d = 8 cm

Step-by-step explanation:

Pre-Solving

We want to find the length of segment d.

We are given a circle, with two segments that intersect the circle. We also know that a = 4 cm, b = 12 cm, c = 6 cm.

We are also given that if two segments intersect inside or outside a circle, ab = cd. Because the two segments do intersect the circle, we can use the equation that was given.

Solving

We can plug the values that we know into the equation.

ab = cd

4 * 12 = 6 * d

Now, divide both sides by 6.

[tex]\frac{4 * 12}{6} = d[/tex]

8 = d

So, d is 8 cm.

Angela is seeking a venue for her school's athletic council banquet. Primo Banquet Hall charges $2000 plus $50 per person. The Lookout Banquet Hall charges $1500 plus $75 per person.

a) Write an equation to represent the

total cost for each banquet hall.

b) Find the point of intersection for the linear system. (PoI)

c) What does this point represent?

Answers

Given statement solution is :- a) The equation for Lookout Banquet Hall Cost of Lookout Banquet Hall = $1500 + $75x.

b) The point of intersection for the linear system is x = 20.

c) This point represents the number of people attending the banquet where the total cost for both Primo Banquet Hall and Lookout Banquet Hall is the same.

a) Let's represent the number of people attending the banquet as "x."

For Primo Banquet Hall:

The total cost for Primo Banquet Hall is the sum of the base cost ($2000) and the cost per person ($50) multiplied by the number of people attending (x). Therefore, the equation for Primo Banquet Hall is:

Cost of Primo Banquet Hall = $2000 + $50x

For Lookout Banquet Hall:

The total cost for Lookout Banquet Hall is the sum of the base cost ($1500) and the cost per person ($75) multiplied by the number of people attending (x). Therefore, the equation for Lookout Banquet Hall is:

Cost of Lookout Banquet Hall = $1500 + $75x

b) To find the point of intersection (PoI) for the linear system, we need to solve the equations:

Cost of Primo Banquet Hall = Cost of Lookout Banquet Hall

$2000 + $50x = $1500 + $75x

We can simplify the equation by subtracting $50x and $1500 from both sides:

$2000 - $1500 = $75x - $50x

$500 = $25x

Now, divide both sides of the equation by $25 to solve for x:

$500 / $25 = x

x = 20

So, the point of intersection for the linear system is x = 20.

c) This point represents the number of people attending the banquet where the total cost for both Primo Banquet Hall and Lookout Banquet Hall is the same. In other words, if Angela's school has exactly 20 people attending the banquet, the total cost for both venues will be equal.

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Some triangles can have more than one right angle true or false

Answers

Answer:

False

Step-by-step explanation:

Since a triangle must contain 3 interior angles all adding to 180°, then there can't be more than one right angle since 2 right angles would add up to 180°.

Identify the percent amount base in this problem what percent of 50 is 60%

Answers

The percent amount base in this problem is 50.

To identify the percent amount base in the problem "what percent of 50 is 60%," we need to use the formula for finding the percentage:percent = (part/whole) × 100In this formula, the "part" is the amount we want to find as a percentage of the "whole." In this case, we want to find the percentage that 60% of 50 represents.To do this, we can rearrange the formula to solve for the "whole":whole = part/percent × 100In this case, the "part" is 60% of 50, or 0.6 × 50 = 30. And the "percent" we are trying to find is the percentage that 30 is of 50.

So, we plug in these values to get:whole = 30/(percent) × 100Now, we can solve for "percent" by cross-multiplying and simplifying:whole × percent = 30 × 100percent = (30 × 100)/wholeTo find the percentage that 30 is of 50, we plug in 50 for "whole":percent = (30 × 100)/50percent = 60Therefore, 60% of 50 is 30, and 30 is 60% of 50.

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PLS HELP ME ANSWER THIS QUESTION..

Answers

Answer:

b. 4

c. 90⁰

Step-by-step explanation:

a. is in the diagram

Question The store charges $6.30 for a bag of 30 marbles. What is the unit price for one marble? Round your answer to the nearest cent if necessary.​

Answers

Answer:

$0.21 per marble

Step-by-step explanation:

Answer:

$0.21 per marble

Step-by-step explanation:

A grocer wants to mix two kinds of candy. One kind sells for $1.00 per pound, and the other sells for $2.30 per pound. He
wants to mix a total of 15 pounds and sell it for $2.05 per pound. How many pounds of each kind should he use in the new
mix? (Round off the answers to the nearest hundredth.)

Answers

Solving a system of equations, we can see that the grocer should mix approximately 2.88 pounds of the first kind of candy and 12.12 pounds of the second kind of candy to obtain a 15-pound mix selling for $2.05 per pound.

How many pounds of each kind should he use in the new mix?

Let's assume the grocer mixes x pounds of the first kind of candy, which sells for $1.00 per pound, and y pounds of the second kind of candy, which sells for $2.30 per pound.

The total weight of the mix is 15 pounds, so we have the equation:

x + y = 15

The price of the mix is $2.05 per pound, so we have the equation:

(1.00x + 2.30y) / 15 = 2.05

To solve this system of equations, we can use substitution or elimination method. Let's use the substitution method:

From equation (1), we can solve for x in terms of y:

x = 15 - y

Substituting this value of x in equation (2), we have:

(1.00(15 - y) + 2.30y) / 15 = 2.05

Simplifying and solving for y:

(15 - y + 2.30y) / 15 = 2.05

(15 + 1.30y) / 15 = 2.05

15 + 1.30y = 30.75

1.30y = 30.75 - 15

1.30y = 15.75

y = 15.75 / 1.30

y ≈ 12.12

Substituting this value of y back into equation (1), we can find x:

x + 12.12 = 15

x ≈ 2.88

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the population of a city can be modeled with a linear equation, y = -80x + 3450, where x is the number of years after 2000 and y is the city’s population. Write a description of the citys population based on the equation

Answers

The population of the city was 3450 in the year 2000 and it is decreasing by 80 people every year since then.

Given equation: `y = -80x + 3450`Here, `x` represents the number of years after 2000 and `y` represents the city's population.Let's put the value of `x = 0` in the above equation to find out the population in the year 2000.`y = -80x + 3450``y = -80(0) + 3450``y = 3450`Therefore, the population of the city in the year 2000 was 3450.

Let's put the value of `x = 1` in the above equation to find out the population after one year of 2000.`y = -80x + 3450``y = -80(1) + 3450``y = 3370`Therefore, the population of the city after one year of 2000 was 3370.As we know that the coefficient of `x` in the equation `y = -80x + 3450` is negative. This means that the population of the city is decreasing by 80 people every year since 2000.Therefore, based on the given equation `y = -80x + 3450`

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HELP ASAP TIMED so please hurry ill be thankful

Answers

The expression to calculate the quantity of pepper used is: p/9 = (¹/₄)/3

How to solve Algebra Word Problems?

Algebraic word problems are defined as problems that require converting a sentence into an equation and solving that equation. The equations that need to be written contain only basic arithmetic. and a single variable. Usually in real-life scenarios variables represent unknown quantities.

Now, we are told that they use ¹/₄ teaspoon of pepper to prepare 3 potatoes.

Thus:

3 potatoes = ¹/₄ teaspoon of pepper

Thus:

9 potatoes will be:

3/(¹/₄) = 9/p

rewritten as:

p/9 = (¹/₄)/3

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Bill built a large wooden storage box. The box was in the shape of a rectangular prism, as shown below. He covered all the sides of the box with special wallpaper that cost a total of $860. How much did the wallpaper cost per square foot?

Answers

To find the cost per square foot of the wallpaper used to cover the rectangular prism storage box, we need to determine the total area covered by the wallpaper and divide it by the total cost.

Let's assume the dimensions of the rectangular prism are length (L), width (W), and height (H). The box has six faces, each of which needs to be covered with wallpaper.

The total surface area of the box is given by:

Surface Area = 2(LW + LH + WH)

Since all the sides of the box are covered with wallpaper, the total surface area is the area covered by the wallpaper. We can set up an equation using this information:

2(LW + LH + WH) = $860

Simplifying the equation, we have

LW + LH + WH = $430

Now, to find the cost per square foot, we need to divide the total cost by the total area covered by the wallpaper. The total area covered is LW + LH + WH.

Let's assume the cost per square foot is C dollars. The total cost is given as $860. Therefore, we can set up the equation:

C * (LW + LH + WH) = $860

Now we can solve for C:

C = $860 / (LW + LH + WH)

The resulting value will give us the cost per square foot of the wallpaper.

Note: If you provide specific dimensions for the length, width, and height of the box, we can calculate the exact cost per square foot.

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look at screenshot !!

Answers

Answer:

0

Step-by-step explanation:

The slope of a horizontal line is 0

The equation of the line is y = 2

At any two points (x₁, y₁) and (x₂, y₂) on the line,

y₂ - y₁ = 2 - 2 = 0

slope m = (y₂ - y₁)/(x₂ - x₁) = 0/(x₂ - x₁) = 0

2x+(y+x)=4 write in standard form

Answers

Answer:

5x + y = 4

Step-by-step explanation:

2x + (y + x) = 2x + x + y = 3x + y

Next, we can subtract 3x from both sides of the equation to isolate the variable y on one side:

2x + (y + x) - 3x = 4 - 3x

2x + y = 4 - 3x

Finally, we can rearrange the equation to have the variables followed by the constant on the right-hand side of the equation:

2x + 3x + y = 4

5x + y = 4

So, the equation is standard form is 5x + y = 4

The standard form of the exercise 2x + (y + x) = 4 is 3x+y=4.

2x + (y + x) = 4

When a + is found in front of an expression inside a parenthesis, the expression stays the same.

2x + y + x = 4

Group like terms. If a term has no coefficient, its coefficient is considered to be 1.

2x + 1x

We group like terms by adding their coefficients.

(2 + 1)x = 3x

3x + y4

The standard form of the exercise 2x + (y + x) = 4 is 3x+y=4.

What is the volume of a triangular prism that has a height of 3 ​in., a triangular base that measures 9 in. on each​ side, and a height of 7.79 ​in.?

Answers

The volume of the given triangular prism is approximately 104.76075 cubic inches.

To calculate the volume of a triangular prism, you need to multiply the area of the triangular base by the height of the prism.

Given that the triangular base has sides measuring 9 inches each, we can find the area of the base using the formula for the area of an equilateral triangle:

Area = [tex](\sqrt(3) / 4) * side^2[/tex]

where "side" represents the length of one side of the triangle. In this case, the side length is 9 inches.

Area = [tex](\sqrt(3) / 4) * 9^2\\ = (\sqrt(3) / 4) * 81\\ = (1.732 / 4) * 81\\ = 1.732 * 81 / 4\\ = 139.681 / 4[/tex]

    = 34.92025 square inches

Now that we have the area of the triangular base, we can calculate the volume of the prism by multiplying it by the height of the prism:

Volume = Base Area * Height

      = 34.92025 square inches * 3 inches

      = 104.76075 cubic inches

Therefore, the volume of the given triangular prism is approximately 104.76075 cubic inches.

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Tyrone owes $28,000 in student loans. He will pay the loan for 20 years at a rate of 8.25%. How much will Tyrone pay in interest? How much will he pay all together?

Answers

Tyrone will pay approximately $21,195.80 in interest and a total amount of $56,796 over the 20-year period for his student loans.

To calculate the amount Tyrone will pay in interest and the total amount he will pay over 20 years for his student loans, we can use the formula for calculating the monthly payment on a loan.

The formula for calculating the monthly payment on a loan is:

M = P * (r * (1 + r)^n) / ((1 + r)^n - 1)

Where:

M = Monthly payment

P = Principal loan amount

r = Monthly interest rate

n = Total number of payments

In this case, Tyrone owes $28,000, the interest rate is 8.25% (or 0.0825 as a decimal), and he will make monthly payments for 20 years (or 240 months).

First, we calculate the monthly interest rate:

r = 8.25% / 12 = 0.006875

Next, we plug the values into the formula to calculate the monthly payment:

M = 28000 * (0.006875 * (1 + 0.006875)^240) / ((1 + 0.006875)^240 - 1)

M ≈ $236.65

To calculate the total interest paid over the 20-year period, we subtract the principal loan amount from the total amount paid:

Total interest = (Monthly payment * Total number of payments) - Principal loan amount

Total interest = (236.65 * 240) - 28000

Total interest ≈ $21,195.80

Finally, to calculate the total amount Tyrone will pay over the 20-year period, we multiply the monthly payment by the total number of payments:

Total amount = Monthly payment * Total number of payments

Total amount = 236.65 * 240

Total amount = $56,796

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2 Mabaso has R140, Thabo has R70 and Ally has R35. What is the ratio of the amount of money Mabaso has, to the amount of money Thabo has and to the amount of money Ally has? Write the ratios in simplest form. The price of a steel table is R750. On Black Friday the table could be bought for R600. Calculate the percentage discount? Show ALL your calculations. Convert 125 g to kilograms. (1 kg = 1 000 grams) A green grocer packs 12 apples in a plastic bag. Calculate the number of bags he w need if he has 285 apples. The scale of a map is 1 500 000. Determine the actual distance in km if measurement on the map is 23,7 cm. Hint: 1 km = 100 000 cm​

Answers

The actual distance represented by 23.7 cm on the map is 355.5 km.

To find the ratio of the amount of money Mabaso has to the amount of money Thabo has and the amount of money Ally has, we can divide each amount by the smallest amount (which is R35) to simplify the ratio.

Mabaso has R140, Thabo has R70, and Ally has R35.

The ratio of Mabaso's money to Thabo's money is:

R140 ÷ R35 = 4

The ratio of Mabaso's money to Ally's money is:

R140 ÷ R35 = 4

Therefore, the ratio of the amount of money Mabaso has to the amount of money Thabo has and to the amount of money Ally has is 4:1:1.

To calculate the percentage discount of a steel table, we need to find the difference between the original price and the discounted price, and then divide it by the original price. Finally, we multiply the result by 100 to get the percentage.

Original price: R750

Discounted price: R600

Discount: R750 - R600 = R150

Percentage discount: (R150 ÷ R750) × 100 = 20%

So, the table has a 20% discount on Black Friday.

To convert 125 grams to kilograms, we divide the amount in grams by 1,000 (since there are 1,000 grams in a kilogram).

125 g ÷ 1,000 = 0.125 kg

Therefore, 125 grams is equal to 0.125 kilograms.

If a green grocer packs 12 apples in a plastic bag and has 285 apples, we divide the total number of apples by the number of apples per bag to determine the number of bags needed.

Number of bags needed: 285 apples ÷ 12 apples/bag = 23.75 bags

Since we can't have a fraction of a bag, we round up to the nearest whole number. Therefore, the green grocer would need 24 bags.

If the scale of a map is 1,500,000 and the measurement on the map is 23.7 cm, we can use the scale to determine the actual distance.

1 cm on the map represents 1,500,000 cm in reality.

23.7 cm on the map represents x cm in reality.

x = 23.7 cm × 1,500,000 cm = 35,550,000 cm

To convert cm to km, we divide by 100,000 (since there are 100,000 cm in a kilometer).

35,550,000 cm ÷ 100,000 = 355.5 km

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If j=(2,8) and k=(10,2) what is the length of jk

Answers

Answer:

(5,6) (6,7)

Step-by-step explanation:

The July bank statement sent by the bank to ABC company shows a balance of cash on deposit at July 31 of Br.4,964.47 Assume that on July 31, assume the on July 31, ABCs ledger shows a bank balance of Br. 4 173. 83. 1. A deposit of Br 410. 90 made after banking hours and doesnt appear in the bank statement2. A check drawn for Br. 79 had been erroneously charged by the bank Br.973. For checks issued in July have not yet been paid by the bank (outstanding checks). : Theses checks are;- Check No date amount 801 June 15 ---Br.100,00 888 July 24 ----Br. 10.25 890 July 27--- Br. 294.50 891 July 30 ---Br. 205.004. A check written for birr 210 had been incorrectly charged by the bank as birr 120 5. Proceeds from collection of a interest bearing note receivable from David. ABC Company had left this note with the banks collection department. The face amount of the note was birr 500 6. Br. 24.75 interest earned on average account balance during July7. A check for Br. 10 returned with the statement had been recorded in the check register as Br. 100. The check was for the payment of an obligation to Davis Equipment Company for the purchase of office supplies on account 8. Br. 5,00 fee charged by bank for handling collection of note receivable 9. Br. 50.25 check from customer John deposited by ABC company charged bank as Non sufficient fund (NSF) 10. Br. 12.70 service charged by bank for the month of July. 11. Check number 875 was issued July 20 in the amount of Br 85 but was erroneously recorded in the cash payment Journal as Br 58 for payment of telephone expense prepare bank reconcilation and journal entry,?​

Answers

After making all the necessary adjustments, the reconciled bank balance for ABC Company's ledger at the end of July is Br. 4,164.42.

To reconcile the bank statement balance with the company's ledger balance for ABC Company, we need to go through the provided information step by step and make the necessary adjustments. Let's calculate the adjusted bank balance:

Starting with the bank statement balance: Br. 4,964.47

Add the deposit made after banking hours: + Br. 410.90

New bank balance: Br. 5,375.37

Now let's make adjustments for the outstanding checks and other transactions:

Deduct the erroneously charged check: - Br. 973

New bank balance: Br. 4,402.37

Deduct the outstanding checks:

Check No. 801: Br. 100.00

Check No. 888: Br. 10.25

Check No. 890: Br. 294.50

Check No. 891: Br. 205.00

Total deduction: Br. 609.75

New bank balance: Br. 3,792.62

Correct the incorrectly charged check: + Br. 90

New bank balance: Br. 3,882.62

Add the proceeds from the collection of the interest-bearing note: + Br. 500.00

New bank balance: Br. 4,382.62

Add the interest earned on the average account balance: + Br. 24.75

New bank balance: Br. 4,407.37

Deduct the incorrectly recorded check: - Br. 90

New bank balance: Br. 4,317.37

Deduct the fee charged for handling the collection of the note: - Br. 5.00

New bank balance: Br. 4,312.37

Deduct the check returned due to insufficient funds: - Br. 50.25

New bank balance: Br. 4,262.12

Deduct the service charge for the month of July: - Br. 12.70

New bank balance: Br. 4,249.42

Deduct the erroneously recorded check: - Br. 85.00

New bank balance: Br. 4,164.42

Now, we compare the adjusted bank balance (Br. 4,164.42) with the ledger balance provided (Br. 4,173.83).

Adjusted bank balance: Br. 4,164.42

Ledger balance: Br. 4,173.83

The difference between the adjusted bank balance and the ledger balance is Br. 9.41. This difference is likely due to some unrecorded transactions or errors in recording. To reconcile the balances fully, further investigation is required to identify the specific cause of the discrepancy and make the necessary adjustments in the company's ledger.

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let's see who can solve this. pleseeee​

Answers

The correlation coefficient between X and Y is Corr(X, Y) = 0.

To calculate the marginal distribution of X and Y, we need to integrate the joint probability density function (PDF) over the appropriate ranges.

a. Marginal distribution of X:

To find the marginal distribution of X, we integrate the joint PDF over the range of Y:

∫[0, 1] J(x, y) dy

Since the joint PDF is defined as J(x, y) = 1 for 0 ≤ y ≤ x ≤ 1 and J(x, y) = 0 otherwise, the integral becomes:

∫[0, x] 1 dy = x, for 0 ≤ x ≤ 1

So, the marginal distribution of X is simply X(x) = x for 0 ≤ x ≤ 1.

b. Expectation of X:

The expectation (mean) of X can be calculated as the integral of x times the marginal PDF of X:

[tex]E(X) = ∫[0, 1] x * X(x) dx = ∫[0, 1] x^2 dx = [x^3/3] from 0 to 1 = 1/3[/tex]

Therefore, the expectation of X is E(X) = 1/3.

c. Variance of X:

The variance of X can be calculated using the formula:

[tex]Var(X) = E(X^2) - (E(X))^2E(X^2) = ∫[0, 1] x^2 * X(x) dx = ∫[0, 1] x^3 dx = [x^4/4] from 0 to 1 = 1/4Var(X) = 1/4 - (1/3)^2 = 1/4 - 1/9 = 5/36[/tex]

Therefore, the variance of X is Var(X) = 5/36.

d. Covariance of X and Y:

The covariance of X and Y can be calculated as:

Cov(X, Y) = E(XY) - E(X)E(Y)

Since the joint PDF J(x, y) = 1 for 0 ≤ y ≤ x ≤ 1, the integral becomes:

[tex]E(XY) = ∫[0, 1] ∫[0, x] xy dy dx = ∫[0, 1] [(x^2)/2] dx = [(x^3)/6] from 0 to 1 = 1/6[/tex]

[tex]E(X) = 1/3 (from part b)E(Y) = ∫[0, 1] ∫[0, x] y J(x, y) dy dx = ∫[0, 1] [(x^2)/2] dx = [(x^3)/6] from 0 to 1 = 1/6[/tex]

Cov(X, Y) = 1/6 - (1/3)(1/6) = 0

Therefore, the covariance of X and Y is Cov(X, Y) = 0.

e. Correlation coefficient between X and Y:

The correlation coefficient can be calculated using the formula:

Corr(X, Y) = Cov(X, Y) / √(Var(X) * Var(Y))

Since the covariance of X and Y is 0, the correlation coefficient will also be 0.

Therefore, the correlation coefficient between X and Y is Corr(X, Y) = 0.

f. Conclusion based on the correlation coefficient:

The correlation coefficient of 0 indicates that there is no linear relationship between X and Y. In this case, the fraction of male runners (X) and the

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4.6 4.6.1 Prove that: sin(A + B) – sin(A - B) = 2 cos A. sin B. 4.6.2Use the identity in 4.6.1 to simplify the expression sin 5 x - sin x to a monomial. 4.6.3Hence determine the general solution of sin 5x · sin x = 0. ​

Answers

The trigonometric identities used to evaluate the trigonometric expressions indicates;

4.6.1 sin(A + B) and sin(A - B) are conjugate identities, therefore;

sin(A + B) - sin(A - B) = 2·cos(A)·sin(B)

4.6.2 sin(5·x) - sin(x) = 2·cos(5·x)·sin(x)

4.6.3. x= (2·k + 1)·π/10 or x = k·π, where k is an integer

What are trigonometric identities?

Trigonometric identities are equations involving trigonometric functions that are true for all values of the variable for which the left and right side of the equation are defined.

4.6.1 sin(A + B) - sin(A - B) can be found using the sum and difference for the sine function as follows;

sin(A + B) = sin(A)·cos(B) + cos(A)·sin(B)

sin(A - B) = sin(A)·cos(B) - cos(A)·sin(B)

Plugging in the value of sin(A + B) and sin(A - B) in the equation sin(A + B) - sin(A - B), we get;

sin(A + B) - sin(A - B) = sin(A)·cos(B) + cos(A)·sin(B) - (sin(A)·cos(B) - cos(A)·sin(B))

sin(A)·cos(B) + cos(A)·sin(B) - (sin(A)·cos(B) - cos(A)·sin(B)) = sin(A)·cos(B) + cos(A)·sin(B) - sin(A)·cos(B) + cos(A)·sin(B)

sin(A)·cos(B) + cos(A)·sin(B) - sin(A)·cos(B) + cos(A)·sin(B) = 2×cos(A)·sin(B)

Therefore; sin(A + B) - sin(A - B) = 2·cos(A)·sin(B)

4.6.2 sin(5·x) - sin(x) can be simplified to a monomial by using the previous identity, sin(A + B) - sin(A - B) = 2·cos(A)·sin(B), as follows;

Let (A + B) = 5·x, and let (A - B) = x, we get;

sin(5·x) - sin(x) = 2·cos(5·x)·sin(x)

4.6.3 The general solution of sin(5·x) - sin(x) = 0, can be found using the identity in 4.6.1, as follows;

sin(5·x) - sin(x) = 0 = 2·cos(5·x)·sin(x), therefore;

2·cos(5·x)·sin(x) = 0

cos(5·x) = 0, and sin(x) = 0

The general solution for cos(5·x) = 0 is 5·x = (2·k + 1) × π/2

Therefore; x = (2·k + 1) × π/10

The general solution of sin(x) = 0 is k·π, where k is an integer

Therefore, the general solution of sin(5·x) - sin(x) = 0 is x = (2·k + 1)·π/10 or x = k·π, where k is an integer

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Place the indicated product in the proper location on the grid. (x 2 + 4)(x 2 - 4)

Answers

(x² + 4)(x² - 4) = x⁴ - 16 and the product is placed in the grid.

Given expression is: (x² + 4)(x² - 4) To multiply two polynomials, we use the distributive property.

We will multiply x² with both x² and -4 and 4 with both x² and -4 as shown below.x² * x² + x² * (-4) + 4 * x² + 4 * (-4)x⁴ - 4x² + 4x² - 16.

The above expression can be simplified further by combining like terms. 4x² gets canceled on adding -4x² and 4x².

Simplified expression is: x⁴ - 16

Hence, (x² + 4)(x² - 4) = x⁴ - 16 and the product is placed in the grid below:   

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explain how utility could be used in a decision where performance is not measured by monetary value

Answers

The utility can be used to quantify and compare preferences in decision-making scenarios where performance is not measured by monetary value.

The utility can be used as a measure of preference or satisfaction in decision-making situations where performance is not directly measured by monetary value. Utility refers to the subjective value or desirability that an individual assigns to different outcomes or options.

In such cases, utility can be quantified using a utility function, which maps the outcomes or attributes of the decision problem to a numerical representation of the individual's preferences. This function allows for the comparison and evaluation of different options based on their utility values.

For example, consider a decision involving healthcare treatments. The performance of different treatments may not be easily measured in monetary terms, but individuals may have preferences based on factors such as effectiveness, side effects, or quality of life impact.

Utility can be used to capture these preferences and make a decision that maximizes the overall satisfaction or well-being of the individual.

To use utility in decision-making, it is necessary to understand and quantify individual preferences through techniques like surveys, interviews, or experimental methods. By assigning utility values to different outcomes or attributes, decision-makers can then compare options and select the one that maximizes utility.

However, it's important to note that utility is subjective and varies among individuals. Different people may have different utility functions and weigh attributes differently. Therefore, utility-based decision-making requires taking into account the preferences of the specific individual or group involved.

In summary, utility can be employed in decision-making scenarios where performance is not directly measured in monetary terms. It quantifies subjective preferences and allows for the comparison and selection of options based on the utility values assigned to different outcomes or attributes.

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If you have a statistical calculator or computer, use it to find the actual sample mean and sample standard deviation. Otherwise, use the values Σx = 2769 and Σx2 = 132,179 to compute the sample mean and sample standard deviation. (Round s to four decimal places.)

Answers

By using a statistical calculator, the actual sample mean and sample standard deviation are:

Actual sample mean = 46.1500.

Actual ample standard deviation = 8.6256.

How to calculate the sample mean for the set of data?

In Mathematics and Geometry, the sample mean for any set of data can be calculated by using the following formula:

Mean = ∑x/(n - 1)

∑x represents the sum of all data values.(n - 1) represents the number of data contained in a sample.

In Mathematics and Geometry, the sample standard deviation for any set of data can be calculated by using the following formula:

Standard deviation, δx = √(1/N × ∑(x - [tex]\bar{x}[/tex])²)

x represents the observed values of a sample.[tex]\bar{x}[/tex] is the mean value of the observations.N represents the total number of of observations.

By using a statistical calculator, the actual sample mean and sample standard deviation are as follows;

Actual sample mean = 46.1500.

Actual ample standard deviation = 8.6256.

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Missing information:

The question is incomplete and the complete question is shown in the attached picture.

Which of the following types of numbers is irrational?

The number pi
A whole number
fractions
A decimal that terminates

Answers

An irrational number is a number that cannot be expressed as a fraction or a ratio of two integers. Let's examine each option:

1. The number pi: Pi (π) is an irrational number. It is a mathematical constant representing the ratio of a circle's circumference to its diameter. Pi cannot be expressed as a fraction or a terminating decimal. It is an infinite, non-repeating decimal (approximately 3.14159...).

2. A whole number: Whole numbers are integers without any fractional or decimal parts. They include positive numbers (0, 1, 2, 3, ...) and their negatives (-1, -2, -3, ...). Whole numbers can always be expressed as fractions by setting the denominator as 1, making them rational numbers.

3. Fractions: Fractions are numbers expressed as the ratio of two integers. They can be written in the form a/b, where a and b are integers and b is not zero. All fractions are rational numbers because they can be expressed as the division of two integers.

4. A decimal that terminates: A terminating decimal is a decimal number that has a finite number of digits after the decimal point. Terminating decimals can always be expressed as fractions, making them rational numbers. For example, 0.25 can be written as 1/4.

Based on the explanations above, the only option that represents an irrational number is "The number pi."

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The graph of the function f(x) = (x+2)(x + 6) is shown
below.
N
64 2
-2+
Mark this and return
-4
9
2 4 6
X
What is true about the domain and range of the function?
O The domain is all real numbers, and the range is all
real numbers greater than or equal to-4.
O The domain is all real numbers greater than or equal
to
-4, and the range is all real numbers.
50:45
O The domain is all real numbers such that-6 ≤x≤-2,
and the range is all real numbers greater than or equal
to-4.
The domain is all real numbers greater than or equal
to
-4, and the range is all real numbers such that-6 ≤ x
S-2.
Save and Exit
Next
Submit

Answers

The domain is all real numbers, and the range is all real numbers greater than or equal to -4.

Calculating the domain and range of the equation?

From the question, we have the following parameters that can be used in our computation:

f(x) = (x + 2)(x + 6)

The above equation is a quadratic function

The rule of this function is that

The domain is the set of all real numbers

For the range, we expand and calculate the vertex

So, we have

f(x) = x² + 8x + 12

The x-coordinate of the vertex is

x = -8/(2 * 1)

x = -4

The x-coordinate of the vertex is

f(-4) = (-4)² + 8(-4) + 12

f(-4) = -4

So, the range is

y ≥ -4

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What is domain and range

Answers

The domain of the relation S is the set of all x-values from the ordered pairs in the relation. In this case, the given ordered pairs are (3, p), (3, 0), (4, g), and (1, 4).

To find the domain, we collect all the unique x-values from these ordered pairs.

From the given pairs, we have x = 3, x = 4, and x = 1. However, note that (3, p) and (3, 0) have the same x-value of 3. When considering the domain, we only need to list unique x-values.

Therefore, the domain of the relation S can be expressed as:

domain = {1, 3, 4}

Moving on to the range of the relation S, it refers to the set of all y-values from the ordered pairs.

From the given pairs, we have y = p, y = 0, y = g, and y = 4. Similarly, we need to consider only unique y-values when determining the range.

Thus, the range of the relation S can be expressed as:

range = {0, 4, g, p}

It's important to note that the specific values of g and p are not given in the question. So, in the range, g and p are considered as distinct symbols representing unknown values.

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A worker is laying out paving stones for a sidewalk that is 54.5 feet long. The paving stones are 5.5 feet long. The worker places 9 full paving stones and cuts the final stone to fit. What is the length of the final cut paving stone?

Answers

The length of the final cut paving stone is 5 feet.

In this question, we have a sidewalk that is 54.5 feet long and the paving stones that will be used are 5.5 feet long.

The worker has to place 9 full paving stones and cut the final stone to fit.

We are required to find the length of the final cut paving stone.

To find the length of the final cut paving stone, we first need to find the total length covered by the 9 full paving stones. We can do this by multiplying the length of each stone (5.5 feet) by the number of stones placed (9).

Total length covered by 9 full paving stones = 5.5 feet × 9 = 49.5 feet Next, we can subtract this total length from the length of the sidewalk to find out how much length is left for the final stone.

Length left for final stone = Length of sidewalk - Total length covered by 9 full paving stones= 54.5 feet - 49.5 feet = 5 feet.

Finally, we know that the worker has to cut the final stone to fit, so the length of the final cut paving stone will be equal to the length of the remaining space. Length of final cut paving stone = Length left for final stone= 5 feet.

Therefore, the length of the final cut paving stone is 5 feet.

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3√( − 2) = 2√( + 8)
I want to find x

Answers

Given statement solution is :- The value of x is -33/4.

To find the value of x in the equation:

3√(-2) = 2√(x + 8)

Let's solve it step by step:

First, simplify the radicals:

3√(-2) = 2√(x + 8)

The cube root of -2 can be written as [tex](-2)^(1/3):[/tex]

[tex](-2)^(1/3) = 2√(x + 8)[/tex]

Now, let's eliminate the radicals:

[tex](-2)^(1/3)^3 = (2√(x + 8))^3[/tex]

-2 = 8(x + 8)

Expand the equation:

-2 = 8x + 64

Rearrange the terms:

8x = -2 - 64

8x = -66

Divide both sides by 8:

x = -66/8

Simplify the fraction:

x = -33/4

Therefore, the value of x is -33/4.

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Answer:

Step-by-step explanation:

3√( x− 2) = 2√( x+ 8)

Square both sides

9(x-2) = 4(x+8)

Expand

9x-18=4x+32

9x-4x=32+18

5x=50

x=10

When and why should a utility approach be applied

Answers

A utility approach should be applied when making decisions under conditions of uncertainty or risk.

Why is this so?

It is a mathematical framework that quantifies preferences and assigns utilities (values representing desirability) to different outcomes.

By evaluating the expected utilities of various options, decision-makers can make rational choices that maximize their overall well-being or utility.

This approach is particularly useful when there are multiple possible outcomes with associated probabilities, allowing for a systematic analysis of the potential benefits and risks of different choices.

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Two books, A and B, are sold in three stores, X, Y and Z. The number of copies of book A sold in a month is 40, 20, and 60 from stores X, Y, and Z, respectively. The number of copies of book B sold is 10, 70, and 20 from X, Y, and Z, respectively. The profit from the sales of book A is $4, and the profit from the sales of book B is $1 for all the three stores. Which matrix represents the profit from the sales of book A for each store?

Answers

The matrix representing the profit from the sales of book A for each store is:

[  $4  ]

[  $4  ]

[  $4  ]

To represent the profit from the sales of book A for each store, we can use a matrix where the rows correspond to the stores (X, Y, Z) and the columns correspond to the book A.

The matrix representing the profit from the sales of book A for each store is as follows:

Store Book A

X $4

Y $4

Z $4

Therefore, the matrix representing the profit from the sales of book A for each store is:

[  $4  ]

[  $4  ]

[  $4  ]

Each element in the matrix represents the profit from the sales of book A in a specific store, which is $4 for all stores (X, Y, Z).

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