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Katarina [22]
3 years ago
11

Marisa made a fruit salad. She used 1 cup of green

Mathematics
1 answer:
lukranit [14]3 years ago
8 0

Answer:

b = 2(g + r)

Marisa used b = 8 cups of blueberries.

Step-by-step explanation:

Let g be the cups of green grapes, r be the cups of red grapes, and b be the cups o blueberries Marisa used..

then we know that

g = 1 (Marisa used 1 cup of green grapes)

r = 3 (Marisa used 3 cup of red grapes)

g + r = 4

Marisa used twice as may cups of blueberries as cups of grapes; this means

b = 2(g + r )

b = 2(4) = 8

Marisa used 8 cups pf blueberries.

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OleMash [197]

The equation for volume of a sphere is:

Volume = 4/3 * PI * r^3

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Volume is given as 4 cubic inches per second increase.

Given: dv/dt = 4 cubic inches per second.

Need to find dr/dt

Formula for volume of a sphere is: V = 4/3 * π * r^3

so now we have:

4 in^3 = 4 * π *1^2

Divide both sides by 4 * π *1^2

4 in^3 / 4π = 1/π inch per second.

The answer is 1/π inch per second ( exact answer)

or as a decimal: 0.3183 ( round as needed).

4 0
2 years ago
Brianna went to the store to buy some clothes. She bought 9 pairs of pants at $20 per pair of pants, and 11 shirts that cost $15
stealth61 [152]

Answer:

$345 : whichever is closest

Step-by-step explanation:

Pants were $20 each and she bought 9 of them so multiply:

9x20=180

She paid $180 for 9 pants.

Shirts cost $15 each and she bought 11 of them so Mulitply:

15x11=165

She paid $165 for 11 shirts

Add both totals from pants and shirts

165+180=$345

5 0
3 years ago
Can I get help please ​
iren [92.7K]
Answer: C

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3 years ago
Julissa walked 8 miles.
djyliett [7]

Answer:

she walked another 2 miles.

Step-by-step explanation:

8 0
3 years ago
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1.what is the solution to -84+28=
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1. -56
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