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Komok [63]
3 years ago
5

(8a + 3) + (a + 2)

Mathematics
1 answer:
Ierofanga [76]3 years ago
4 0
The answer is 9a+5. All you have to do is combine like terms:)
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The Saum family is making a snack mix. They bought 12.4 oz of pretzels, 8.03
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Answer:

31.43 oz

Step-by-step explanation:

12.40 + 8.03 + 11 = 31.43

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At a carnival, you spin a spinner that has four equal-sized sections, each a different color: green, yellow, red, and blue. If y
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The answer

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One quart of water-resistant paint covers 75 square feet. A swimming pool is in the shape of a rectangular prism with a length o
docker41 [41]

18.66 quarts of paint is needed to paint the swimming pool with two coats of paint

<em><u>Solution:</u></em>

Given that,

<em><u>A swimming pool is in the shape of a rectangular prism</u></em>

Length = 20 feet

Width = 10 feet

Height = 5 feet

<em><u>Find the surface area of prism</u></em>

A=2(wl+hl+hw)

Where, "l" is the length and "w" is the width and "h" is the height

A = 2(10 \times 20 + 5 \times 20 + 5 \times 10)\\\\A = 2(200+100+50)\\\\A = 2 \times 350\\\\A = 700

Thus surface area area of prism is 700 square feet

Given that,

One quart of water-resistant paint covers 75 square feet

Therefore,

1 quart paint = 75 square feet

x quart = 700 square feet

This forms a proportion

1 \times 700 = 75 \times x\\\\x = \frac{700}{75}\\\\x = 9.33

Thus 9.33 quarts of paint is needed to cover 700 square feet

How many quarts should you buy to paint the swimming pool with two coats of paint

For two coats of paint we need = 9.33 + 9.33 = 18.66 quarts of paint

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3 years ago
Write a compound interest function to model the following situation. Then, find the balance after the given number of years.
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3 years ago
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Vinvika [58]

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Step-by-step explanation:

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3 years ago
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