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WITCHER [35]
3 years ago
10

What is the value of the expression 9r-5s+3 to the 3rd power if r=2/3 and s= -2

Mathematics
2 answers:
iragen [17]3 years ago
7 0

Answer:

<h2>\huge \boxed{43}</h2>

Step-by-step explanation:

9r - 5s +  {3}^{3}

plug the values

= 9 \times  \frac{2}{3}  - 5 \times ( - 2) +  {3}^{3}

Reduce the numbers with Greatest Common Factor 3

= 3 \times 2 - 5 \times ( - 2) +  {3}^{3}

Multiply the numbers

= 6 + 10 + 27

Calculate the sum of positive numbers

= 43

Hope I helped..

Best regards!

kramer3 years ago
5 0

Answer:

43

Step-by-step explanation:

(9r-5s+3^3)

Let r = 2/3  and s = -2

(9 * 2/3-5* -2+3^3)

(6+ 10+27)

43

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a rectangle is drawn so the width is 28 inches longer than the height. If the rectangle's diagonal measurement is 52 inches find
zalisa [80]

Answer:

A) W = 28 + H

B) W * H = 52

A) Height = W -28

B) W * (W -28) = 52

B) W^2 -28W = 52

W^2 - 28W - 52 = 0

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Step-by-step explanation:

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Answer:

I drew it in the photo.

Step-by-step explanation:

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3 years ago
The variables x and y vary inversely. When y is 5, x is 3. What is x when y is 15?
koban [17]
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3 years ago
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3 years ago
The farmer's market sells fruit baskets. Each basket contains 12 apples and 4 pears. Use a to represent the cost of each apple a
romanna [79]

Answer:

a) a x 12

b) p x 4

c) (a x 12) + (p x 4)

Step-by-step explanation:

These are the answers because:

1) Since a is representing the cost of each apple, we have to multiply the a with 12.

2) Since p is representing the cost of each pear, we have to multiply the p with 4.

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