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morpeh [17]
2 years ago
15

Look at the equation below 4e+7=31 What is the value of e?

Mathematics
2 answers:
Ahat [919]2 years ago
7 0

Answer:

e = 6

Step-by-step explanation:

→ Mnus 31 from both sides

4e = 24

→ Divide both sides by e

e = 6

Black_prince [1.1K]2 years ago
3 0

Answer:

4e+7=31

4e=31-7

4e=24

e=24/6

e=4

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what is the surface area of a rectangular prisim with a base length of 9 yd, base width of 7 yd,and a height of 4 yd?
krek1111 [17]

Answer:

254 yds²

Step-by-step explanation:

There are 6 faces of the prism we need to calculate the area of for a rectangular prism.

The base and top of the prism measure 9x7 yards each, so there are two faces with an area of 63 yds²                 (9 x 7 = 63)

The sides of the prism measure 4x7 yards each, so there are two faces with an area of 28 yds²    (4 x 7 = 28)

The front and back face of the prism measure 9x4 yards each, so there are two faces with an area of 36 yds²     (9 x 4 = 36)

The total surface area is

2(63) + 2(28) + 2(36) = 254 yds²

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3 years ago
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3 years ago
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djverab [1.8K]

Answer:

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Answer:

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Step-by-step explanation:

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