The prompt on fractions is given as follows:
1 ) (1/2) ÷ 4 = 1/8
2) ( 1/5) ÷ 2 = 1/10
3) (1/3) ÷ 5 = 1/15
4) (1/4) ÷ 4 = 1/16
5) The solution to the puzzle for (1/2) ÷ 3 is given below.
The calculations are given as follows;
1 )
= (1/2) x (1/4) [dividing by a number is the same as multiplying by its reciprocal]
= 1/8
2) (1/5) ÷ 2
= (1/5) x (1/2)
= 1/10
3)
(1/3) ÷ 5
= (1/3) x (1/5)
= 1/15
4) (1/4) ÷ 4
= (1/4) x (1/4)
= 1/16
5) Mary had 1/2 of a pie that she wanted to share with 3 of her friends. She decided to divide it equally among them. Each friend got 1/6 of the pie. To check, Mary multiplied 1/6 by 3 and got 1/2. This shows that (1/2)/3 equals 1/6, since dividing by 3 is the same as multiplying by its reciprocal, 1/3.
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Kendrick bought a calculator priced at $71. Shipping and handling cost an additional 25% of the price. What was the total cost of the calculator, including shipping and handling?
Answer:
The answer to our problem is, $17.75
Step-by-step explanation:
First we need to find out what is 25% of 71
25% of 71 is 17.75. Or [tex]17\frac{3}{4}[/tex] We would need to stick to the term in decimals because of we are using money. Have you ever heard of a fraction in money my guess is no. So let’s stay with decimals. 17.75
How I got it:
25 percent * 71
= (25:100)* 71
= (25* 71):100
= 1775:100
= 17.75
Percentage solution with steps:
Step 1: Our output value is 71.Step 2: We represent the unknown value with x.Step 3: From step 1 above, 71 = 100%.Step 4: Similarly, x = 25%.Step 5: This results in a pair of simple equations:71 = 100% (1)
X = 25% (2)
Step 6: By dividing equation 1 by equation 2 and noting that both the RHS (right hand side) of bothequations have the same unit (%); we have
[tex]\frac{71}{x} = \frac{25}{100}[/tex]
X = 17.75
Thus the answer to your problem is, $17.75
Jemma is tidying her garden. She starts tidying at
10:26am and finishes at
3pm. How much time did she spend tidying her garden?
Give your answer in minutes
Answer:270
Step-by-step explanation: 3pm + 12am = 15am
15 am - 10:26 pm = 4 hours 34 minutes
4 hours 34 minutes = 4x60 +30 mins = 270 mins
Sawtimber is a term for trees that are suitable for sawing into lumber, plywood and other products. For the years 1983 - 1995, the unit value y (in dollars per million board feet)of one type of sawtimber harvested in California can be modeled by y = 0.125x? - 569x + 848000 where 400 5 x ≤ 2200 where x is the volume of timber harvested (in millions of board feet)
for what harvested timber volumes is the value of the timber less than $400,000 per million board feet?
Answer:
Step-by-step explanation:
We are given the equation:
y = 0.125x² - 569x + 848000
And we are asked to find the range of values of x for which y is less than $400,000 per million board feet.
Substituting $400,000 for y, we get:
$400,000 = 0.125x² - 569x + 848000
Simplifying this equation, we get:
0.125x² - 569x + 448000 = 0
Now, we can use the quadratic formula to solve for x:
x = (-b ± sqrt(b² - 4ac))/(2a)
where a = 0.125, b = -569, and c = 448000.
Plugging in these values, we get:
x = (-(-569) ± sqrt((-569)² - 4(0.125)(448000)))/(2(0.125))
x = (569 ± sqrt(322961))/0.25
x = (569 ± 569.39)/0.25
x ≈ 1163.57 or x ≈ 68.43
However, we need to check if these values satisfy the given condition of 400 5 x ≤ 2200.
Only x ≈ 68.43 satisfies this condition. Therefore, the harvested timber volume for which the value of the timber is less than $400,000 per million board feet is approximately 68.43 million board feet.
Really appreciated :) 25 points
Answer:
a. 9
b. 4
c. 4/9
Step-by-step explanation:
a. If we are picking 1 card out of 9, then there are 9 possible outcomes:
1, 2, 3, 4, 5, 6, 7, 8, or 9
This can also be represented as 9 choose 1 ([tex]_9C_1[/tex]).
b. We have to identify the number of prime numbers in the set:
2, 3, 5, 7
↑ 4 numbers
Note: Prime numbers can only be divided by themselves and 1 to result in a whole number.
c. We can represent the probability of selecting a prime number by dividing the number of prime numbers by the total number of numbers.
# of primes / # of numbers = 4 / 9
[tex] \frac{cos9 + \sin9 }{cos9 - sin9} = tan54[/tex]
Prove the above question
To Prove :
[tex] \sf \dfrac{\cos9\degree + \sin9\degree }{\cos9\degree- \sin9\degree} = \tan54\degree \\ \\ [/tex]
[tex] \sf LHS = \dfrac{\cos9\degree + \sin9\degree }{\cos9\degree- \sin9\degree} \\ \\ [/tex]
[tex] \sf RHS = \tan54\degree \\ \\ [/tex]
Solving for LHS :
Divide numerator and denominator by cos9°
[tex]\longrightarrow \: \: \sf\dfrac { \dfrac{ \cos9\degree}{ \cos9\degree} + { \dfrac{\sin9}{ \cos9} }}{ \dfrac{ \cos9\degree }{ \cos9\degree} - { \dfrac{ \sin9\degree}{ \cos9\degree}}} \\ \\ [/tex]
[tex] \longrightarrow \: \: \sf\dfrac{1 + { \dfrac {\sin9\degree}{ \cos9\degree}} }{1 - { \dfrac{ \sin9\degree}{ \cos9\degree} }} \\ \\ [/tex]
[tex]\longrightarrow \: \: \sf \dfrac{1 + \tan9\degree}{1 - \tan9\degree} \\ \\ [/tex]
[tex]\longrightarrow \: \: \sf{ \dfrac{ \tan45 \degree + \tan9\degree}{1 - \tan45 \degree \tan9 \degree}} \: \: \: \: \: \: \: \sf \red{\bigg( \tan(A + B) = \dfrac{ \tan A + \tan B}{1 - \tan A \tan B} \bigg)} \\ \\ [/tex]
[tex]\longrightarrow \: \: \sf \tan(45\degree + 9\degree) \\ \\ [/tex]
[tex]\longrightarrow \: \: \sf \tan54 \degree[/tex]
LHS = RHS
Hence, proved!!Justin wants to buy a new football that costs 22.99. He has a discount coupon of 12% off. If Justin has exactly $20, does he have enough money to buy the football with the coupon? How much more money does he need OR how much money does he get in change?
He needs an additional $0.23 to buy the football with the coupon after the discount coupon.
What is Discount?A discount is a reduction in the price of a product or service. It is often used as a marketing tool to attract customers and increase sales. Discounts can be expressed as a percentage or a dollar amount.
What is discounted price?The discounted price is the price of a product or service after a discount has been applied. The discount is usually expressed as a percentage or a dollar amount and is subtracted from the original price.
In the given question,
The discount Justin can get is 12% of the original price, which is:
0.12 x 22.99 = 2.76
So the discounted price of the football is:
22.99 - 2.76 = 20.23
Since Justin has exactly $20, he doesn't have enough money to buy the football with the coupon. He needs:
20.23 - 20 = 0.23
So he needs an additional $0.23 to buy the football with the coupon.
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how do i solve this?
The height of the density curve for the given graph is 1/4.
What is density curve?A density curve is an idealised depiction of a distribution in which the area under the curve is defined to be 1. Although normality is not required, the normal density curve will be the most helpful to us. The "shape" of a distribution, including whether or not it includes one or more "peaks" of often occurring values and whether it is skewed to the left or right, may be determined using a density curve.
For a density curve the area under the curve must be equal to 1.
That is,
base (height) = 1
Here, the base = 4 units
Substituting the value we have:
(4) height = 1
height = 1/4
Hence, the height of the density curve is 1/4.
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Find the missing dimension of the triangle
Area= 14 ft squared
Height=6 ft
the missing dimension of the triangle is the base, which has a length of 21 feet. To find the missing dimension of the triangle, we will use the formula for the area of a triangle, which is:
Area = 1/2 x base x height
We know that the area of the triangle is 14 ft squared and the height is 6 ft. We can substitute these values into the formula and solve for the base:
14 = 1/2 x base x 6
Multiplying both sides by 2/6 (or simplifying to 1/3) gives:
14 x 3/2 = base
21 = base
Therefore, the missing dimension of the triangle is the base, which has a length of 21 feet.
This means that the triangle has a height of 6 feet and a base of 21 feet, and its area is 14 square feet. The height of a triangle is the perpendicular distance from the base to the opposite vertex, and in this case, it is given as 6 feet. The base of a triangle is the side opposite the height, and we have found that it has a length of 21 feet.
In summary, we can find the missing dimension of a triangle by using the formula for the area of a triangle and the given dimensions. In this case, we found that the missing dimension is the base, which has a length of 21 feet, and we know that the height is 6 feet.
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number 5 goes through the device and the result is 25 . what would a possible rule for machine B be ?
Answer: multiplied by 5 or squared
Step-by-step explanation:
If the number 5 goes in and 25 is the result, the rule could be multiplying by 5 or squaring the number that goes in (input).
5 x 5 = 25
5^2 = 25.
DUE TOMORROW PLEASE HELP AND DONT TRY TO ANSWER WRONG TO GET POINTS PLEASE!!!!!!!!!!!!!!!
At a certain time, the end of the minute hand of the clock below centered at (0, 0) has coordinates approximately (7.5, 7.5). How long is the minute hand of the clock if each grid square is one inch by one inch? Explain your reasoning
The length of the minute hand of the clock is given as follows:
10.6 inches.
How to calculate the distance between two points?Suppose that we have two points of the coordinate plane, and the ordered pairs have coordinates [tex](x_1,y_1)[/tex] and [tex](x_2,y_2)[/tex].
The shortest distance between them is given by the equation presented as follows, derived from the Pythagorean Theorem:
[tex]D = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}[/tex]
The ordered pairs for this problem are given as follows:
(0,0) and (7.5, 7.5).
Hence the distance between the two points, representing the length of the minute hand, is given as follows:
d = sqrt(7.5² + 7.5²)
d = 10.6 inches.
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Examine the system of equations.
2x − 4y = 6,
x − 2y = 3
How many solutions does this system of equations have?
Answer:
Step-by-step explanation:
8
How much more interest do vour parents have to pay at the end of the first month because their (i point) rating 15 good rather than excellent?
The more interest do your parents have to pay at the end of the first month because their rating is good rather than excellent is option (D) $19.02.
First, we need to calculate the sales tax on the mobile home purchase:
Sales tax = 4.2% of $89,000 = 0.042 x $89,000 = $3,738
The total cost of the mobile home including sales tax is
Total cost = $89,000 + $3,738 = $92,738
After making a down payment of $3,000, the amount to be financed is:
Amount financed = $92,738 - $3,000 = $89,738
To calculate the interest, we need to know the monthly interest rate. Let's assume the loan term is 30 years, which is 360 months. Then, the monthly interest rate for an excellent credit rating would be:
Monthly interest rate (excellent) = 4.75 / 1200 = 0.00396
And for a good credit score
Monthly interest rate (good) = 5.00 / 1200 = 0.00417
The interest for the first month for an excellent credit rating would be:
Interest (excellent) = $89,738 x 0.00396 = $355.33
And for a good credit rating:
Interest (good) = $89,738 x 0.00417 = $374.43
The difference in interest is:
Difference in interest = $374.43 - $355.33 = $19.02
Therefore, the correct option is (D) $19.02.
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The given question is incomplete, the complete question is:
Your parents are purchasing a mobile home for $89,000. The sales tax is 4.2%, they make a $3,000 down payment. How much more interest do your parents have to pay at the end of the first month because their rating is good rather than excellent?
Secured Unsecured
Credit APR (%) APR (%)
Excellent 4.75 5.50
Good 5.00 5.90
Average 5.85 6.75
Fair 6.40 7.25
Poor 7.50 8.40
Options:
A) $29.39
B) $21.10
C) $18.71
D) $19.02
the diagonal of a rectangle is 450 millimeters, while the longer side is 393 millimeters. find the shorter side of the rectangle and the angles the diagonal makes with each side rounded to the nearest whole number.
The shorter side of the rectangle is approximately 237.25 millimeters, and the diagonal makes angles of approximately 41 degrees and 49 degrees with the longer and shorter sides, respectively.
Let us denote the shorter side of the rectangle as x. We can use the Pythagorean theorem to relate the length of the diagonal to the two sides of the rectangle:
diagonal^2 = longer side^2 + shorter side^2
Substituting in the given values, we get:
450^2 = 393^2 + x^2
Solving for x, we get:
x = √(450^2 - 393^2) ≈ 237.25 mm
To find the angles that the diagonal makes with each side of the rectangle, we can use trigonometry. Let θ be the angle between the diagonal and the longer side, and let φ be the angle between the diagonal and the shorter side. Then we have:
sin(θ) = shorter side / diagonal
sin(φ) = longer side / diagonal
Substituting in the given values and solving for θ and φ, we get:
θ ≈ 41 degrees
φ ≈ 49 degrees
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3. Consider the following statement: For each positive real number r, if r2 = 18, then r is irrational (a) If you were setting up a proof by contradiction for this statement, what would you assume? Carefully write down all conditions that you would assume. (b) Complete a proof by contradiction for this statement.
(a) To set up a proof by contradiction for the statement "For each positive real number r, if r^2 = 18, then r is irrational," we will assume the opposite of the given statement. Specifically, we would assume that there exists a positive real number r such that r^2 = 18, and r is rational (not irrational).
(b) To complete the proof by contradiction, follow these steps:
1. Assume that there exists a positive real number r such that r^2 = 18, and r is rational.
2. Since r is rational, we can write it as a fraction a/b, where a and b are integers with no common factors other than 1 (i.e., a and b are coprime) and b ≠ 0.
3. We have r^2 = 18, so (a/b)^2 = 18.
4. Squaring both sides, we get a^2 / b^2 = 18.
5. Rearrange the equation: a^2 = 18b^2.
6. Since 18 is an even number, a^2 is also an even number, which implies that a is an even number (let's say a = 2k, where k is an integer).
7. Substitute a with 2k: (2k)^2 = 18b^2, which simplifies to 4k^2 = 18b^2.
8. Divide both sides by 2: 2k^2 = 9b^2.
9. Now, we see that the left side of the equation is an even number (2k^2), which implies that 9b^2 is also an even number. However, 9 is an odd number, so for 9b^2 to be even, b must be even.
10. Both a and b are even, which contradicts our original assumption that a and b are coprime (having no common factors other than 1).
Therefore, our assumption that there exists a positive real number r such that r^2 = 18 and r is rational leads to a contradiction. Thus, the original statement is true: for each positive real number r, if r^2 = 18, then r is irrational.
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PLEASE HELP NEED IT DONE RN
Answer:
B) 3
Step-by-step explanation:
219 / 73= 3
3 x 73= 219
Answer: 3
Step-by-step explanation:
a subset of the integers 1, 2, . . . , 100 has the property that none of its members is 5 times another. what is the largest number of members such a subset can have? (a) 72 (b) 77 (c) 84 (d) 85 (e) 86
Answer:
Let's assume that the subset contains as many numbers as possible. We start by including all the numbers from 1 to 100 that are not divisible by 5. These are the numbers 1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 13, 14, 16, 17, 18, 19, 21, 22, 23, 24, 26, 27, 28, 29, 31, 32, 33, 34, 36, 37, 38, 39, 41, 42, 43, 44, 46, 47, 48, 49, 51, 52, 53, 54, 56, 57, 58, 59, 61, 62, 63, 64, 66, 67, 68, 69, 71, 72, 73, 74, 76, 77, 78, 79, 81, 82, 83, 84, 86, 87, 88, 89, 91, 92, 93, 94, 96, 97, 98, 99.
This gives us a subset of 81 numbers. However, we need to remove any numbers that are multiples of other numbers in the subset. For example, if we include the number 6, we must remove 12, 18, 24, etc. Similarly, if we include the number 9, we must remove 18, 27, 36, etc. We can see that the only numbers that have multiples in the subset are 2, 3, 7, 8, 13, 17, 18, 19, 27, 28, 37, 38, 39, 52, 53, 54, 57, 58, 59, 68, 69, 73, 74, 78, 79, 83, 84, 87, 88, 89, 92, 93, 94, and 98.
Therefore, we need to remove these 34 numbers from the subset. This leaves us with a subset of 81 - 34 = 47 numbers.
However, we can still include the number 5, since it is not a multiple of any other number in the subset. This adds one more number to the subset, giving us a total of 48 numbers.
Therefore, the largest number of members that such a subset can have is 48, which corresponds to answer choice (e).
Which summary about The Secret Garden includes a personal opinion?
Responses
Mary Lennox is described as a sallow, sickly, unpleasant girl.
Mary Lennox is described as a sallow, sickly, unpleasant girl.
Mr. Craven, "a miserable hunchback," has been withdrawn and depressed for ten years.
Mr. Craven, "a miserable hunchback," has been withdrawn and depressed for ten years.
Dickon and Mary secretly begin bringing Colin out into the secret garden.
Dickon and Mary secretly begin bringing Colin out into the secret garden.
Mrs. Lennox is the worst mother imaginable, and everybody knows it.
PLS HELP FAST
Answer:
"Mrs. Lennox is the worst mother imaginable, and everybody knows it."
Step-by-step explanation:
The first one uses "described", therefore isn't a personal opinion.
The second uses quotations, so isn't a personal opinion.
The third doesn't have any sort of opinion or connotation.
Therefore it must be the last one.
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an individual was making blankets for some friends. the individual used 7.2 feet of fabric to make one blanket. how many feet of fabric will the individual need to make 11 blankets (round to the nearest whole number)?
The number of feet of fabric will the individual need to make 11 blankets is 79.2 feet
To find out how many feet of fabric the individual will need to make 11 blankets, we can use the unitary method.
We know that the individual used 7.2 feet of fabric to make one blanket. So, to find out how much fabric is needed to make 11 blankets, we can set up a proportion
7.2 feet of fabric is needed for 1 blanket
x feet of fabric is needed for 11 blankets
We can solve for x by cross-multiplying and then dividing
7.2 × 11 = x
x = 79.2 feet
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What is 2^5 help plsss
Answer: 32
Step-by-step explanation:
Answer:
Step-by-step explanation:
2 is the base and 5 is the exponent, so we have to multiply 2 5 times.
2*2*2*2*2=32
Can someone please
Help me on this? I’ll give 20 points for this
Answer:
a) 6x10^-6 b) 0.000006 c) I would not be concerned
Step-by-step explanation:
a)
50% is just half and more just means added onto.
Half of 4x10^-6 is 2x10^-6
If you add that onto the original value, you will have:
6x10^-6 (standard form)
b)
0.000006 (ordinary number)
c)
I would not be concerned about the increase in probability of a side effect while using the new medicine. The probability to begin with is extremely low, almost insignificant. While the 50% increase may sound intimidating, it is just a 50% increase on a number that is already very very small. Honestly, it makes almost no difference.
the probability of getting heads on a fair coin is 0.50. the probability of getting tails is also 0.50. if you toss the coin three times and get heads all three times, what is the probability of getting tails on the next toss?
The probability of getting tails on the next toss is 0.5 as the coin is a fair coin and doesn't remember the past results.
The probability of getting heads on a fair coin is 0.50.
The probability of getting tails is also 0.50.
If you toss the coin three times and get heads all three times,
The probability of getting tails on the next toss:The probability of getting tails on the next toss is 0.5 as the coin is a fair coin and doesn't remember the past results.
The term 'fair coin' mean:A fair coin is a coin where each of the two faces has the same probability of landing on any coin toss. That is, a fair coin will land on tails and heads equally often.
In other words, the probability of getting heads and tails is 0.5.
The possible outcomes of flipping a fair coin:There are only two possible outcomes of flipping a fair coin.
The two outcomes are heads or tails:The probability of each outcome is 0.5.
This is because a fair coin has two equally likely outcomes.
The probability of getting heads on any flip is 0.5.
The same goes for the probability of getting tails on any flip.
This implies that the probability of flipping a fair coin three times and obtaining three heads is
(0.5 x 0.5 x 0.5) = 0.125
Similarly, the probability of flipping a fair coin three times and obtaining three tails is also 0.125.
As each flip is independent, the outcome of the preceding flips does not affect the next flip, and the probability of getting tails on the next toss is 0.5.
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HELP PLEASE NO ONE IS ANSWEING IT
What is the mean of this data set?
A table titled Length of Roses. The first column is labeled length in centimeters. The second column is labeled number of roses. The first row shows 2 roses measuring 22 centimeters in length. The second row shows 4 roses measuring 23 centimeters in length. The third row shows 5 roses measuring 24 centimeters in length. The fourth row shows 3 roses measuring 25 centimeters in length. The fifth row shows 1 rose measuring 26 centimeters in length.
24 cm
twenty-three and twelve-fifteenths
twenty-three and one-half
22 cm
Answer: To find the mean of the data set, you need to calculate the sum of the products of each length and its corresponding frequency, and then divide that sum by the total number of roses.
Using the data set given, the sum of the products is:
(2 * 22) + (4 * 23) + (5 * 24) + (3 * 25) + (1 * 26) = 221
The total number of roses is:
2 + 4 + 5 + 3 + 1 = 15
Therefore, the mean length of the roses is:
221 / 15 = 14.73 ≈ 24 cm
So, the answer is 24 cm.
Step-by-step explanation:
Answer:
24 but the test is wrong
Step-by-step explanation:
Soooo i dont know what the answer in the test is but the answer is 24. If you add them all up, 22 23 24 25 26, you get 120 which you then divide by 5. I dont know what the test wants u to answer tho.
need help with part B i send you the screenshot of my work bc i dont know where to place the words
4 divided by 1/5=20
1st
you change the 4 to 4/1
2nd
you change the 1/5 to 5/1
3rd
multiply 4/1x5/1 which gives you 20
If Joseph has 12 pineapples and sells them at a farmers market for $4.75 dollars each, how much money does he make if he sells 7 of them?
Answer:
$57
Step-by-step explanation:
12*4.75=57
Type the correct answer in the box. Use numerals instead of words.
The cost to manufacture the KZR 250 model of motorcycle at the Kawahama factory is shown in the table below.
Number of Motorcycles
Cost
Manufactured
0
1
3
8
15
$
$0.00
$4,590.00
$12,240.00
$22,950.00
Using the information in the table, determine the constant of proportionality, and use it to complete the table.
The constant of proportionality is the cost per unit. In this case, it can be calculated by dividing the cost of 1 motorcycle by the number of motorcycles.
What is unit?Unit is an individual item or segment of a larger whole. It is used to measure or quantify different elements or entities, including physical objects, abstract concepts, and even people. In mathematics, a unit is a number or quantity that is equal to one. In the physical sciences, a unit is a standard amount of a certain quantity, such as a kilogram or an hour. In economics, a unit is a measure of a certain commodity or factor of production, such as labor or capital.
Constant of Proportionality = Cost per Motorcycle = 4,590 / 1 = 4,590
Using this constant of proportionality, we can complete the table as follows:
Number of Motorcycles
Cost
Manufactured
0
1
3
8
15
$
$0.00
$4,590.00
$13,770.00
$36,720.00
$68,850.00
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The constant of proportionality is 4,080.00. Using this constant, we can calculate the cost for each number of motorcycles.
What is constant?A constant is a quantity or value that remains unchanged over time. It is a fixed value that does not vary and is unaffected by external influences. Constants are used in mathematics, physics, chemistry, and other sciences to represent a fixed value.
Number of Motorcycles
Cost
Manufactured
0
1
3
8
15
$
$0.00
$4,590.00
$12,240.00
$22,950.00
25
$37,275.00
The constant of proportionality is the rate of increase in cost as the number of motorcycles manufactured increases. This can be calculated by dividing the cost of each number of motorcycles by the number of motorcycles.
For example, when 1 motorcycle is manufactured, the cost is $4,590.00, so the constant of proportionality is $4,590.00 / 1 = $4,590.00.
When 3 motorcycles are manufactured, the cost is $12,240.00, so the constant of proportionality is $12,240.00 / 3 = $4,080.00.
Therefore, the constant of proportionality is 4,080.00. Using this constant, we can calculate the cost for each number of motorcycles.
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Maggie's Bakery bakes several batches of double fudge brownies each week. The table shows the relationship between the batches of brownies,
b, and the cups of flour, c.
Which equation models the relationship between the independent and dependent variables?
A. c = 4 + b
B.b = 4c
C. b = 4 + c
D.c = 4b
Therefore , the solution of the given problem of equation comes out to be it can also be expressed as c = 1/4b, indicating that 1/4 cup of flour is used to make each order of brownies.
What is an equation?Variable words are commonly used in complex algorithms to show uniformity between two incompatible claims. Academic expressions called equations are used to show the equality of various academic numbers. Instead of an unique formula that splits 12 into two parts and can be used to analyze data received from y + 7, normalization in this case yields b + 7.
Here,
B. The connection between the independent factor (cups of flour) and the one that is dependent is modeled by the equation
=> b = 4c. (batches of brownies).
According to this calculation, 4 cups of flour are required to make one batch of brownies.
The equation can also be expressed as
=> c = 1/4b, indicating that 1/4 cup of flour is used to make each order of brownies.
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Carla asked students at a lunch table what main course they like. Out of those students,
28 like pizza, 15 like chicken nuggets and 8 like both. What is the probability that a
randomly selected student will like pizza but not chicken nuggets?
A. 4/5
B. 4/7
C. 15/28
D.8/35
Answer:
28/51
Step-by-step explanation:
First you add up all the values: 28 + 15 + 8 = 51. That is your denominator because the total is the denominator. Then you put 28 as your numerator because that's how many off all the people that only like pizza.
Tristan was out at a restaurant for dinner when the bill came. His dinner came to $22. He wanted to leave a 16% tip. How much do was his meal plus the tip, before tax, in dollars and cents
Answer: 25 dollars and 52 cents
Step-by-step explanation:
Bill = $22
Tip = 16/100 X 22 = $3.52
Total = 22 + 3.52 = $25.52
Answer:
$25.52
Step-by-step explanation:
16% × 22= $3.52
3.52 + 22= $25.52
A random sample of dogs at different animal shelters in a city shows that 10 of the 70 dogs are puppies. The city's animal shelters collectively house 1,960 dogs each year. About how many dogs in all of the city's animal shelters are puppies?
280 dogs in all of the city's animal shelters are puppies. The solution has been obtained by using ratios.
What is ratio?
The ratio between two amounts of the same unit can be used to determine how much of one quantity is included in the other.
We are given that different animal shelters in a city shows that 10 of the 70 dogs are puppies and the city's animal shelters collectively house 1,960 dogs each year.
So, from this we get the ratio as
⇒ [tex]\frac{10}{70}[/tex] = [tex]\frac{x}{1960}[/tex]
Now, by cross multiplying, we get
⇒ 19,600 = 70x
⇒ x = 280
Hence, 280 dogs in all of the city's animal shelters are puppies.
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the park service is considering offering a discount for the 5% of their patrons who spend the least time at the hot springs. what is the longest amount of time a patron can spend at the hot springs and still receive the discount? minutes.
The longest amount of time a patron can spend at the hot springs and still receive the discount is approximately 43.55 minutes.
To determine the longest amount of time a patron can spend at the hot springs and still receive the discount, we need to find the 5th percentile of the time spent by all patrons.
Let's say we have a sample of 1000 patrons and their time spent at the hot springs is normally distributed with a mean of 60 minutes and a standard deviation of 10 minutes. We can use the z-score formula to find the value corresponding to the 5th percentile:
[tex]$z = \frac{x - \mu}{\sigma}$[/tex]
where x is the value at the 5th percentile, [tex]$\mu$[/tex] is the mean, [tex]$\sigma$[/tex] is the standard deviation, and z is the z-score corresponding to the 5th percentile.
Since we want to find the value of x, we can rearrange the formula as:
[tex]$x = z\sigma + \mu$[/tex]
To find the z-score, we can use a standard normal distribution table or a calculator. For the 5th percentile, the z-score is approximately -1.645.
Plugging in the values, we get:
[tex]$x = -1.645 \times 10 + 60 \approx 43.55$[/tex]
Therefore, the longest amount of time a patron can spend at the hot springs and still receive the discount is approximately 43.55 minutes.
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