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Anestetic [448]
3 years ago
5

Heidi and Andrew designed two raised flowerbeds for their garden. Heidi’s flower bed was 5 feet long by 3 feet wide, and Andrew’

s flowerbed was the same length but twice as wide. Calculate how many cubic feet of soil they need to buy to have soil to a depth of 2 feet in both flowerbeds.
Mathematics
1 answer:
Alona [7]3 years ago
3 0

Answer:

90 ft³

Step-by-step explanation:

Volume is calculated as length × width × height.

Heidi: 5×3×2 = 30 ft³

Andres: 5×6×2 = 60 ft³

Total: 30 + 60 = 90 ft³

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Answer:


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2 years ago
Match each power of a power expression with its simplified expression.
VARVARA [1.3K]

Answer:

> (4^6)^{-3} = \frac{1}{4 ^ {18}}

> (4^{-3})^{-3} = 4 ^ 9

> (4^0)^{-9} = 4 ^0

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Step-by-step explanation:

We have to expand the powers of each of them:

> (4^6)^{-3} = 4^{(6 * -3)}

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(4^6)^{-3} = \frac{1}{4 ^ {18}}

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> (4^0)^{-9} = 4 ^ {(0 * -9)}

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> (-4^{-9})^2 = -4 ^ {( -9 * 2)}

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8 0
2 years ago
Read 2 more answers
Stuck on #3 Need help on formula
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6x4= 24 

24 possible outcomes
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2 years ago
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