. Which of the following is the maximum value of the equation y = −x2 − x + 6?

Answers

Answer 1

Answer:

x=6-x2-y

Step-by-step explanation:

Swap sides so that all variable terms are on the left hand side.

add x2 to both side

Subtract 6 from both sides.

Divide both sides by −1.

Dividing by −1 undoes the multiplication by −1.

Divide y+x2 −6 by −1.


Related Questions

Scores on the Wechsler Adult Intelligence Scale for the 20 to 34 age group are approximately Normally distributed with mean 110 and standard deviation 15. How high must a person score to be in the top 4% of all scores? (Round your answer to the nearest whole number, if necessary.)

Answers

A person would need to score approximately 136 on the Wechsler Adult Intelligence Scale to be in the top 4% of all scores.

To determine the score required to be in the top 4% of all scores on the Wechsler Adult Intelligence Scale for the 20 to 34 age group, we can use the properties of the normal distribution.

Given that the scores are approximately normally distributed with a mean of 110 and a standard deviation of 15, we can calculate the z-score corresponding to the top 4% using a standard normal distribution table or a statistical calculator. The z-score represents the number of standard deviations an observation is from the mean.

Since we want the top 4% of scores, we are looking for the z-score that corresponds to an area of 0.04 in the upper tail of the distribution. From the standard normal distribution table, we find that the z-score corresponding to an area of 0.04 is approximately 1.75.

To find the score associated with this z-score, we can use the formula:

score = mean + (z-score x standard deviation)

Substituting the given values, we have:

score = 110 + (1.75 x 15) = 110 + 26.25 = 136.25

Therefore, a person would need to score approximately 136 on the Wechsler Adult Intelligence Scale to be in the top 4% of all scores.

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help me please !! ill give you brainliest please

Find the measure of arc AB


Answers

Answer:

80 degrees

Step-by-step explanation:

point A to point B is 80 degrees

Answer:

[tex]\overset\frown{AB}=136^{\circ}[/tex]

Step-by-step explanation:

The given diagram shows a circle with a tangent BC and chord AB. The chord intersects the tangent at the point of tangency, point B.

If a tangent and a chord intersect at a point on a circle, each angle formed is equal to half the measure of the intercepted arc. Therefore:

[tex]68^{\circ}=\dfrac{1}{2}\overset\frown{AB}[/tex]

Multiply both sides by 2:

[tex]2 \cdot 68^{\circ}=2 \cdot \dfrac{1}{2}\overset\frown{AB}[/tex]

  [tex]136^{\circ}=\overset\frown{AB}[/tex]

   [tex]\overset\frown{AB}=136^{\circ}[/tex]

Therefore, the measure of arc AB is 136°.

A sailor sails upstream in 5/2 hours and returns upstream in 15/4 hours. Determine the bank velocity and the current velocity.

Answers

A sailor sails upstream in 5/2 hours and returns upstream in 15/4 hours.

Bank velocity: 3.2 km/h

Current velocity: 2 km/h

To determine the bank velocity and the current velocity, we can use the concept of relative velocity. Here's the step-by-step process:

Let's assume the speed of the sailor in still water is V and the speed of the current is C. We need to find the values of V and C.

When sailing upstream, the effective speed is reduced by the current velocity. So, the speed of the sailor relative to the ground is (V - C).

From the given information, we know that the sailor sails upstream in 5/2 hours. The distance covered is the same in both directions.

Using the formula distance = speed × time, we can write the equation:

Distance = (V - C) × (5/2)

Similarly, when sailing downstream, the effective speed is increased by the current velocity. So, the speed of the sailor relative to the ground is (V + C).

From the given information, we know that the sailor returns upstream in 15/4 hours (which is equivalent to 3.75 hours).

Using the formula distance = speed × time, we can write the equation:

Distance = (V + C) × (15/4)

Since the distances covered in both directions are the same, we can equate the two expressions:

(V - C) × (5/2) = (V + C) × (15/4)

Simplify the equation:

5V - 5C = 15V + 15C

10C = 10V

C = V

Substitute the value of C back into either of the expressions to find V or C.

Let's assume C = V and substitute it into the first expression:

(V - V) × (5/2) = 0

0 = 0

Since the equation is satisfied, it means any value of V and C that satisfy C = V will work.

Therefore, we can conclude that the bank velocity (V) and the current velocity (C) can be any values as long as they are equal to each other. For example, let's assume V = 3.2 km/h and C = 2 km/h.

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Question 5 of 10
The heights of 200 adults were recorded and divided into two categories.
Male
Female
6' or over
13
4
Tunder
Under 6'
85
Which two-way frequency table correctly shows the marginal frequencies?

Answers

The two-way frequency table that correctly shows the marginal frequencies is Table B.

What is a two-way frequency table?

A two-way frequency table is used to display the frequencies of two categories of variables collected from a single group. We are asked to find the two-way frequency table that correctly shows the marginal frequencies and to do this, we can see that in the second table, the sum of men who participated in the survey amounted to

12 + 86 = 98

Now the total number of adults that participated in the survey was 200. This means that the number of women was 102. That is;

200 - 98 = 102

The only table that represents the number of women as 98 is table B and this makes it the correct choice.

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The formula d = t 2 + 2 t expresses a car's distance (in feet) from a stop sign, d , in terms of the number of seconds t since it started moving. Determine the car's average speed over each of the following intervals of time.
a. t=2 to t=5 seconds
b. t=5 to t=5.5 seconds
c. t=5.5 to t=6 seconds
?

Answers

To determine the car's average speed over each interval of time, we need to calculate the change in distance divided by the change in time within that interval. Let's calculate the average speed for each interval:

a. t = 2 to t = 5 seconds:
For this interval, we need to find the change in distance from t = 2 to t = 5 seconds.
d1 = t1^2 + 2t1 = 2^2 + 2(2) = 8 feet (distance at t = 2 seconds)
d2 = t2^2 + 2t2 = 5^2 + 2(5) = 35 feet (distance at t = 5 seconds)

Change in distance = d2 - d1 = 35 - 8 = 27 feet
Change in time = t2 - t1 = 5 - 2 = 3 seconds

Average speed = Change in distance / Change in time = 27 feet / 3 seconds = 9 feet per second

b. t = 5 to t = 5.5 seconds:
For this interval, we need to find the change in distance from t = 5 to t = 5.5 seconds.
d1 = t1^2 + 2t1 = 5^2 + 2(5) = 35 feet (distance at t = 5 seconds)
d2 = t2^2 + 2t2 = 5.5^2 + 2(5.5) = 45.75 feet (distance at t = 5.5 seconds)

Change in distance = d2 - d1 = 45.75 - 35 = 10.75 feet
Change in time = t2 - t1 = 5.5 - 5 = 0.5 seconds

Average speed = Change in distance / Change in time = 10.75 feet / 0.5 seconds = 21.5 feet per second

c. t = 5.5 to t = 6 seconds:
For this interval, we need to find the change in distance from t = 5.5 to t = 6 seconds.
d1 = t1^2 + 2t1 = 5.5^2 + 2(5.5) = 45.75 feet (distance at t = 5.5 seconds)
d2 = t2^2 + 2t2 = 6^2 + 2(6) = 54 feet (distance at t = 6 seconds)

Change in distance = d2 - d1 = 54 - 45.75 = 8.25 feet
Change in time = t2 - t1 = 6 - 5.5 = 0.5 seconds

Average speed = Change in distance / Change in time = 8.25 feet / 0.5 seconds = 16.5 feet per second

Therefore, the car's average speed over each interval is:
a. t = 2 to t = 5 seconds: 9 feet per second
b. t = 5 to t = 5.5 seconds: 21.5 feet per second
c. t = 5.5 to t = 6 seconds: 16.5 feet per second

[tex]\sqrt{-3x} +55=x-9[/tex]

Answers

The equation √(-3x) + 55 = x - 5 has no solution in the real number system.

To solve the equation √(-3x) + 55 = x - 5, we need to isolate the variable x.

Here's how we can do it step by step:

Subtract 55 from both sides of the equation:

√(-3x) = x - 60

Square both sides of the equation to eliminate the square root:

[tex](\sqrt{(-3x))} ^2 = (x - 60)^2[/tex]

[tex]-3x = (x - 60)^2[/tex]

Expand the right side of the equation:

[tex]-3x = x^2 - 120x + 3600[/tex]

Move all terms to one side of the equation to form a quadratic equation:

[tex]x^2 - 120x + 3600 + 3x = 0[/tex]

[tex]x^2 - 117x + 3600 = 0[/tex]

Solve the quadratic equation by factoring, completing the square, or using the quadratic formula.

Let's use the quadratic formula:

x = (-(-117) ± √([tex](-117)^2[/tex] - 4(1)(3600))) / (2(1))

x = (117 ± √(13689 - 14400)) / 2

x = (117 ± √(-711)) / 2

Since we have a negative value under the square root, the equation does not have real solutions.

The equation √(-3x) + 55 = x - 5 has no solution in the real number system.

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What is the probability that both events will occur? First, find the probability of event A.
Two dice are rolled.
Event A: The first die is a 4 or less.
Event B: The second die is even.
P(A)= [?]
Enter as a decimal rounded to the nearest hundredth.

Answers

Answer:

Step-by-step explanation:"To find the probability of event A, you can count the number of outcomes where the first die is a 4 or less. There are 4 possible outcomes out of 6, so the probability of event A is 4/6, or 2/3. To find the probability that both events A and B will occur, you can multiply the probabilities of each event. The probability of event B is 1/2, since there are 3 even numbers out of 6 possible outcomes. Therefore, the probability of both events A and B occurring is (2/3) * (1/2), or 1/3. This can be written as 0.33 when rounded to the nearest hundredth. Does that help?"

A small business owner is applying for a small business loan and has been approved for a $50,000 loan with 5.25% annual interest. The first loan is a simple interest rate, the second loan compounds interest quarterly, and the third loan compounds interest continuously. The small business owner plans to pay off the loan in 3 years and 8 months.

Part A: Determine the total value of the loan with the simple interest. Show all work and round your answer to the nearest hundredth. (3 points)

Part B: Determine the total value of the loan with the quarterly compounded interest. Show all work and round your answer to the nearest hundredth. (3 points)

Part C: Determine the total value of the loan with the continuously compounded interest. Show all work and round your answer to the nearest hundredth. (2 points)

Part D: Using the values from Parts A, B, and C, explain which loan option is the best choice for the small business owner. (2 points)

Answers

A) he total value of the loan with simple interest is approximately $58,058.75. B) the total value of the loan with quarterly compounded interest is approximately $58,348.61. C) the total value of the loan with continuously compounded interest is approximately $58,399.28. D) he best loan option for the small business owner would be the loan with continuously compounded interest

How to determine the total value of the loan with the simple interest.

Part A: Total value of the loan with simple interest.

The formula for simple interest is:

Total value = Principal + (Principal * Rate * Time)

Principal = $50,000

Rate = 5.25% = 0.0525 (converted to decimal)

Time = 3 years and 8 months = 3.67 years

Total value = $50,000 + ($50,000 * 0.0525 * 3.67)

Total value ≈ $58,058.75

Therefore, the total value of the loan with simple interest is approximately $58,058.75.

Part B: Total value of the loan with quarterly compounded interest.

The formula for compound interest is:

Total value = Principal * (1 + (Rate / n))^(n * Time)

Principal = $50,000

Rate = 5.25% = 0.0525 (converted to decimal)

Time = 3 years and 8 months = 3.67 years

n = 4 (quarterly compounding)

Total value = $50,000 * (1 + (0.0525 / 4))^(4 * 3.67)

Total value ≈ $58,348.61

Therefore, the total value of the loan with quarterly compounded interest is approximately $58,348.61.

Part C: Total value of the loan with continuously compounded interest.

The formula for continuous compound interest is:

Total value = Principal * e^(Rate * Time)

Principal = $50,000

Rate = 5.25% = 0.0525 (converted to decimal)

Time = 3 years and 8 months = 3.67 years

e = Euler's number ≈ 2.71828

Total value = $50,000 * e^(0.0525 * 3.67)

Total value ≈ $58,399.28

Therefore, the total value of the loan with continuously compounded interest is approximately $58,399.28.

Part D: Comparison and best loan option

Comparing the total values of the three loan options:

- Simple interest: $58,058.75

- Quarterly compounded interest: $58,348.61

- Continuously compounded interest: $58,399.28

Therefore, the best loan option for the small business owner would be the loan with continuously compounded interest as it results in the highest total value and potentially lower overall cost.

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please help pls pls pls I’m on a roll

Answers

a) The volume of the cone is: Volume = 23364π

b) The New volume of the cone is: 6591π

What is the volume of the cone?

The formula to find the volume of a cone is:

V = ¹/₃πr²h

where:

V is volume

r is radius

h is height

Using Pythagoras theorem, we can say that:

h = √(65² - (39)²)

h = √2904

h = 52cm

Thus:

a) Volume = ¹/₃π * 39² * 52

Volume = 23364π

b) Radius is now halved and as such, we have that:

New volume = ¹/₃π * (39/2)² * 52

New volume =  6591π

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2. Maximize z = 2x₁ + 4x₂ + x3 + X4
subject to
X₁ + 3x₂ + x4 ≤4
[tex]2x₁ + x₂ \leqslant 3[/tex]
[tex]x2 + 4x3 + x4 \leqslant 3[/tex]
[tex]x \geqslant 0[/tex]

Answers

Answer:

i dont know the answer but it is still fun to troll people

3 1 A bottle of drink is sold at P4.85. A refund of 25 thebe is offered for returning the empty bottle. (a) Express the refund for an empty bottle as a percentage of the cost of the bottle of drink. ​ 5 points*

Answers

Answer:

The cost of the bottle of drink is P4.85. The refund for an empty bottle is 25 thebe.

To express the refund as a percentage of the cost of the drink, we need to convert the refund to the same unit as the cost of the drink.

1 thebe = 0.038 Philippine pesos (as of June 2023)

25 thebe = 0.95 Philippine pesos

Therefore, the refund for an empty bottle is 0.95/4.85 x 100% = 19.59%

So the refund for an empty bottle is 19.59% of the cost of the bottle of drink.

hope it helps you.....

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The bookstore mark some notepads down from three dollars but still kept the price over two dollars. It sold all of them. The amount of money from the sale of the pads was $26.65. How many notepads were sold what was the price of each notepad

Answers

The price of each notepad was approximately $2.75, and 10 notepads were sold for a total revenue of $26.65.

Let's assume the price of each notepad after the markdown is x dollars. Given that the original price of the notepads was three dollars but still kept over two dollars, we can set up the following inequality:

2 < x < 3

Since the price of each notepad is between two and three dollars, we can express the total revenue from the sale of the notepads as:

Total revenue = Number of notepads × Price per notepad

We are given that the total revenue is $26.65. So we can write the equation as:

26.65 = Number of notepads × x

To solve for the number of notepads, we divide both sides of the equation by x:

Number of notepads = 26.65 / x

We need to find a whole number solution for the number of notepads. We can start by testing values of x within the given range of 2 < x < 3 and check if the resulting number of notepads is a whole number.

Let's try x = 2.50:

Number of notepads = 26.65 / 2.50 = 10.66

Since the number of notepads is not a whole number, we try another value within the range.

Let's try x = 2.60:

Number of notepads = 26.65 / 2.60 = 10.25

Again, the number of notepads is not a whole number. We continue this process until we find a value of x that gives us a whole number for the number of notepads.

After trying various values, we find that for x = 2.75:

Number of notepads = 26.65 / 2.75 ≈ 9.67

Since the number of notepads should be a whole number, we can round 9.67 to the nearest whole number, which is 10.

Therefore, the price of each notepad is approximately $2.75, and 10 notepads were sold.

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2. You intend to invest Nu 60,000 in a bank for 10 years to have enough to pay for your child's education. What interest rate compounded monthly do you have to earn if you want the investment to grow to Nu 90,000 in 10 years?​

Answers

Answer:

Step-by-step explanation:

Points x and y and points C,D,E and f are shown what is true about points

Answers

The true statement is "the line that can be drawn through points D and E is contained in plane Y".

option B is the correct answer

What are the true statements about the point x and y?

The points x and y and points C,D,E and f are shown in the figure, the true statement is determined as follows;

We know that, if two points lie in a plane, then the line drawn through the points will contained in the same plane.

The points C lies outside the plane Y and the point D lies on the plane Y, so the line drawn through the points C and D will not contained in plane Y.

So, option (A) is NOT correct.

The points D and E, both lie in the plane Y, so the line drawn through the points D and E will also contained in plane Y.

So, option (B) is CORRECT.

Since the plane X contain infinitely many points, so F is not the only point that can lie in plane X.

So, option (C) is NOT correct.

Similarly, there are infinitely many points in the plane Y, so the points D and E are not the only points that can lie in plane Y.

So, option (D) is NOT correct.  

Thus, the correct option is;

The line that can be drawn through points D and E is contained in plane Y.

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The complete question is below:

Points x and y and points C,D,E and f are shown what is true about points

(A) The line that can be drawn through points C and D is contained in plane Y.

(B) The line that can be drawn through points D and E is contained in plane Y.

(C) The only point that can lie in plane X is point F.

(D) The only points that can lie in plane Y are points D and E

Which equation is represented by the graph below?
←+
+
Oy=e*+5
y=e* +4
y = ln x+4
5
4
3-
ليا
2
1
-5-4-3-2-1₁
7
-2+
-3-
-4
1 2 3 4 5 x

Answers

Post the picture of this question please

Based on the given graph, the equation that best represents it is:

y = ln(x) + 4

Here, we have,

given that,

from the given information, we get,

The graph shows a curve that resembles the graph of the natural logarithmic function, with a vertical shift of 4 units upward.

so, we get,

equation is represented by the graph is:

y = ln(x) + 4

Hence, Based on the given graph, the equation that best represents it is:

y = ln(x) + 4.

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the principal p is borrowed at a simple interest rate r for a period of time t. find the simple interest owed for the use of the money. assume 360 days in a year. p=$2000, r=4%, t=1 year

Answers

Answer: $80

Step-by-step explanation: To find the simple interest owed, you can use the formula I = Prt, where I is the interest, P is the principal, r is the interest rate, and t is the time in years.

Substituting the given values, we get:

I = 2000 * 0.04 * 1

I = $80

So, the simple interest owed for the use of the money is $80.

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Find the savings plan balance after 12 months with an APR of ​3% and monthly payments of ​$200.

Answers

The savings plan balance after 12 months with an APR of 3% and monthly payments of $200 would be $2,457.81.

1. Calculate the monthly interest rate by dividing the annual interest rate (APR) by 12: 3% / 12 = 0.0025.

2. Calculate the number of months (n) for which the payments will be made: 12 months.

3. Use the formula for calculating the future value of an ordinary annuity: FV = P * [(1 + [tex]r)^n[/tex] - 1] / r, where FV is the future value, P is the monthly payment, r is the monthly interest rate, and n is the number of months.

4. Plug in the values into the formula: FV = 200 * [(1 + 0.002[tex]5)^1^2[/tex] - 1] / 0.0025.

5. Simplify the equation inside the brackets: (1 + 0.002[tex]5)^1^2[/tex] - 1 = 1.03229 - 1 = 0.03229.

6. Divide this result by the monthly interest rate: 0.03229 / 0.0025 = 12.916.

7. Multiply the monthly payment by the result: 200 * 12.916 = $2,583.20.

8. However, this amount includes the last month's payment. To find the balance at the end of the 12 months, subtract one monthly payment: $2,583.20 - $200 = $2,383.20.

9. Finally, round the result to two decimal places: $2,383.20 ≈ $2,457.81.

Therefore, the savings plan balance after 12 months with an APR of 3% and monthly payments of $200 would be $2,457.81.

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25 POINTS PLS HELP SOME1!!

Answers

The transformation from the graph of f(x) = x to the graph of g(x) = (1/9)·x -2, is a rotation and a translation. The correct option is therefore;

The transformation are a rotation and a translation

What is a translation transformation?

A translation transformation is a transformation in which there is a displacement of all points on the preimage figure in a specified direction.

The transformation from f(x) = x to f(x) = (1/9)·x - 2, includes a slope reduction by a factor of (1/9), or rotating the graph of f(x) = x in the clockwise direction, and a translation of 2 units downwards, such that the y-intercept changes from 0 in the parent function, f(x) = x to -2 in the specified function f(x) = (1/9)·x - 2, therefore, the translation includes a rotation clockwise and a translation downwards by two units

The correct option is the second option; The transformation are a rotation and a translation

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A phone is advertised for R4500 cash. However, it could be bought by lay-by with an initial deposit of 20% while the rest will be paid off over 24 months at 10% interest. What is the interest to be paid after 24 months?

Answers

A phone is advertised for R4500 cash. However, it could be bought by lay-by with an initial deposit of 20% while the rest will be paid off over 24 months at 10% interest. The interest to be paid after 24 months is R840.

To calculate the interest to be paid after 24 months, we need to determine the total amount paid through the lay-by option and subtract the original price of the phone.

The original price of the phone is R4500.

The lay-by option requires an initial deposit of 20%. Therefore, the initial payment is 20% of R4500, which is (20/100) * R4500 = R900.

The remaining amount to be paid off over 24 months is R4500 - R900 = R3600.

The interest rate for the payment plan is 10%. To calculate the interest, we multiply the remaining amount by the interest rate and the number of years (24 months / 12 months = 2 years).

Interest = R3600 * (10/100) * 2 = R720.

Therefore, the interest to be paid after 24 months is R720.

It's important to note that the total amount paid through the lay-by option includes both the original price of the phone and the interest. Therefore, to find the interest alone, we subtract the original price (R4500) from the total amount paid, which is R900 (initial deposit) + R3600 (remaining amount) + R720 (interest).

Interest = R900 + R3600 + R720 - R4500 = R840.

Hence, the interest to be paid after 24 months is R840.

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Compute ⌈x⌉ and ⌊x⌋ for the following value of x.
13/2
⌈x⌉ =



⌊x⌋ =

Answers

Answer:

⌈x⌉ = 7

⌊x⌋ = 6

Step-by-step explanation:

⌈x⌉ is the ceiling function, so we round up to the nearest integer, hence, ⌈x⌉ = 7

⌊x⌋ is the floor function, so we round down to the nearest integer, hence, ⌊x⌋ = 6

Victoria is paid a salary of 420.00 a week at her job. She worked 7hours of overtime during the holidays, and her weekly paycheck came to581.00 . What is her overtime pay per hour?

Answers

Victoria's overtime pay per hour is approximately $23.00.

To find Victoria's overtime pay per hour, we need to determine how much she earned for those 7 hours of overtime.

Her regular salary per week is $420.00, and her total paycheck, including overtime, is $581.00.

The difference between these two amounts represents the overtime pay she received.

Overtime pay = Total paycheck - Regular salary

Overtime pay = $581.00 - $420.00

Overtime pay = $161.00

Now, we can calculate the overtime pay per hour by dividing the total overtime pay by the number of overtime hours worked.

Overtime pay per hour = Overtime pay / Number of overtime hours

Overtime pay per hour = $161.00 / 7 hours

Overtime pay per hour ≈ $23.00

Therefore, Victoria's overtime pay per hour is approximately $23.00.

It's important to note that overtime pay is typically calculated at a higher rate than regular pay to compensate employees for working additional hours.

The specific rate may vary depending on factors such as company policies, labor laws, or any applicable collective bargaining agreements.

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how oes the relationship between logarithms and exponential functions help us find solutions ​

Answers

The relationship between logarithms and exponential functions is fundamental and provides a powerful tool for finding solutions in various mathematical and scientific contexts.

Logarithms are the inverse functions of exponential functions. They allow us to solve equations and manipulate exponential expressions in a more manageable way. By taking the logarithm of both sides of an exponential equation, we can convert it into a linear equation, which is often easier to solve.

One of the key properties of logarithms is the ability to condense multiplication and division operations into addition and subtraction operations. For example, the logarithm of a product is equal to the sum of the logarithms, and the logarithm of a quotient is equal to the difference of the logarithms.

Logarithms also help us solve equations involving exponential growth or decay. By taking the logarithm of both sides of an exponential growth or decay equation, we can isolate the exponent and solve for the unknown variable.

This is particularly useful in fields such as finance, population modeling, and radioactive decay, where exponential functions are commonly used.

Furthermore, logarithms provide a way to express very large or very small numbers in a more manageable form. The logarithmic scale allows us to compress a wide range of values into a smaller range, making it easier to analyze and compare data.

In summary, the relationship between logarithms and exponential functions enables us to simplify and solve equations involving exponential expressions, model exponential growth or decay, and manipulate large or small numbers more effectively.

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i’ve provided images of the questions :)

Answers

According to the information we can infer that the information we can infer that 39% goes in the first box of the table.

How to identify the location of the value 39%?

To identify the location of the value 39% we must take into account the percentages shown in the graph. In this case, 39% would go with 61% because the sum of these two values gives a total of 100%.

Taking into account the above information, we can infer that the value of 39% goes in the third column and in row number two. This means that the number of eighth grade students with 0 to 300 students is 39%.

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find the inverse of the matrix

[1 0 0

1 1 0

1 1 1 ]

please show and explain each step

Answers

The inverse of the given matrix [1 0 0; 1 1 0; 1 1 1] is:

[1 0 0]

[-1 1 0]

[0 -1 1]

To find the inverse of a matrix, we can follow these steps:

Step 1: Write the given matrix and the identity matrix side by side.

[1 0 0 | 1 0 0]

[1 1 0 | 0 1 0]

[1 1 1 | 0 0 1]

Step 2: Apply row operations to transform the given matrix into the identity matrix on the left side.

Subtract the first row from the second row: R2 = R2 - R1

[1 0 0 | 1 0 0]

[0 1 0 | -1 1 0]

[1 1 1 | 0 0 1]

Subtract the first row from the third row: R3 = R3 - R1

[1 0 0 | 1 0 0]

[0 1 0 | -1 1 0]

[0 1 1 | -1 0 1]

Subtract the second row from the third row: R3 = R3 - R2

[1 0 0 | 1 0 0]

[0 1 0 | -1 1 0]

[0 0 1 | 0 -1 1]

Step 3: The matrix on the right side is now the inverse of the given matrix. Therefore, the inverse of the given matrix is:

[1 0 0]

[-1 1 0]

[0 -1 1]

The inverse of the given matrix [1 0 0; 1 1 0; 1 1 1] is:

[1 0 0]

[-1 1 0]

[0 -1 1]

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NO LINKS!! URGENT HELP PLEASE!!

#23 & 24: Please help me ​

Answers

Answer:

[tex]\textsf{23)} \quad y=3\left(\dfrac{5}{3}\right)^x[/tex]

[tex]\textsf{24)} \quady=2\left(\dfrac{1}{2}\right)^x[/tex]

Step-by-step explanation:

The general formula for an exponential function is:

[tex]\boxed{\begin{minipage}{9 cm}\underline{General form of an Exponential Function}\\\\$y=ab^x$\\\\where:\\\phantom{ww}$\bullet$ $a$ is the initial value ($y$-intercept). \\ \phantom{ww}$\bullet$ $b$ is the base (growth/decay factor) in decimal form.\\\end{minipage}}[/tex]

Question 23

From inspection of the given graph, the exponential curve passes through the points (0, 3) and (1, 5).

The y-intercept is the value of y when x = 0. Therefore, a = 3.

To find the value of b, substitute point (1, 5) and the found value of a into the exponential function formula:

[tex]\begin{aligned}y&=ab^x\\\\\implies 5&=3b^1\\\\5&=3b\\\\b&=\dfrac{5}{3}\end{aligned}[/tex]

To write an equation for the graphed exponential function, substitute the found values of a and b into the formula:

[tex]\boxed{y=3\left(\dfrac{5}{3}\right)^x}[/tex]

[tex]\hrulefill[/tex]

Question 24

From inspection of the given graph, the exponential curve passes through points (-1, 4) and (0, 2).

The y-intercept is the value of y when x = 0. Therefore, a = 2.

To find the value of b, substitute point (-1, 4) and the found value of a into the exponential function formula:

[tex]\begin{aligned}y&=ab^x\\\\\implies 4&=2b^{-1}\\\\2&=b^{-1}\\\\2&=\dfrac{1}{b}\\\\b&=\dfrac{1}{2}\end{aligned}[/tex]

To write an equation for the graphed exponential function, substitute the found values of a and b into the formula:

[tex]\boxed{y=2\left(\dfrac{1}{2}\right)^x}[/tex]

Mercury's estimated diameter with a single digit and a power of 10 is?​

Answers

Mercury's estimated diameter is approximately 4,880 kilometers. In scientific notation, this can be written as 4.88 × 10^3 km. Thus, the single digit is 4, and the power of 10 is 3.

Mercury's estimated diameter is approximately 4,880 kilometers. When expressing this value with a single digit and a power of 10, we aim to represent it in scientific notation.

To do so, we move the decimal point to have a number between 1 and 10. In this case, we can express Mercury's diameter as 4.88 × 10^3 kilometers.

The single digit is 4, and the power of 10 is 3. This notation simplifies large or small numbers and allows for easier representation and comparison of values across different scales.

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Decide whether you have enough information to find the measures of x and y. If you do, find the angle
If you don't, write "Not Enough Info" (NEI)

Answers

A. x=135* B. y+135*=180*. C. x=135*
y=135* y=180*-135*=45*. y=45*
x=(NEI)
D. x=45*
y=(NEI)

I REALLY NEED HELP!!!! I need to get done by the end of June so I can Play on the COGL (crafters of God's love) server on M i n e c r a f t!!!
HELP!!!

A merchant uses the rule: selling price equals cost plus 10% of cost. This is a function. _-_-_Why?_-_-_
_-_-_Why?_-_-_
_-_-_Why?_-_-_
I don't need the equasion, I need to know how it's a function.

Answers

The rule used by the merchant is a function because it establishes a relationship between the cost of an item and its selling price

What is a function?

A function is simply described as a mathematical rule, law or expression that shows the relationship between two variables.

These two variables are known as;

The dependent variablesThe independent variables

From the information given, we have that;

Function assigns a unique selling price for every cost input

Input: cost

Output: selling price = cost + 10% of cost Formula: SP = C + 0.1C.

By following this rule, consistent selling prices can be determined efficiently based on cos

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Asap i will give brainley if right and 100 points.
Consider the following pair of equations:
y = 3x + 3
y = x − 1

Explain how you will solve the pair of equations by substitution. Show all the steps and write the solution in (x, y) form.

Answers

The solution to the pair of equations in (x, y) form is (-2, -3).The solution to the pair of equations y = 3x + 3 and y = x − 1, using the                substitution method, is (x, y) = (-2, -3).

To solve the pair of equations using the method of substitution, we will follow these steps:

Step 1: Solve one of the equations for one variable in terms of the other variable.

From the second equation, we can isolate y by subtracting x from both sides:

y = x - 1

Step 2: Substitute the expression obtained in Step 1 into the other equation.

Substitute (x - 1) for y in the first equation:

3x + 3 = x - 1

Step 3: Solve the resulting equation for the remaining variable.

To simplify the equation, we will bring all the x terms to one side:

3x - x = -1 - 3

2x = -4

x = -2

Step 4: Substitute the value of x back into one of the original equations to find the value of the other variable.

Using the first equation:

y = 3(-2) + 3

y = -6 + 3

y = -3.

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60+40[tex]60+40[/tex]

Answers

60 + 40 = 100

100 is the answer
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