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Oksana_A [137]
3 years ago
7

Juang has completed 80% of his homework. He has finished 12 problems. How many questions are on his homework?

Mathematics
1 answer:
Pani-rosa [81]3 years ago
3 0

Answer:

15 or 20

Step-by-step explanation:

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2 1/2 divided by 2 1/3
horsena [70]

Answer:

Exact Form: 15/2

Decimal Form: 7.5

Mixed Number Form: 7 1/2

Step-by-step explanation:

4 0
2 years ago
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How much taller was Mt. Everest determined to be in 1999, than in 1852? 11 meters 12 meters 22 meters 147 meters
katen-ka-za [31]

Answer:

11 meters

Step-by-step explanation:

In 1852 its height was 29.002ft or 8.839m, while the measuring in 1999 said that it was 29.035ft or 8.850m. That means that it is taller by some 11 meters or 33 feet. That is because it keeps increasing its size since its positioned on such plates that hit each other.

7 0
3 years ago
Simplify (8y)(-3y^2)
podryga [215]

Answer:

- 24 {y}^{3}

Step-by-step explanation:

(8y)( - 3 {y}^{2} )

= 8( - 3) {y}^{2} y

=  - 24 {y}^{2 + 1}

=  - 24 {y}^{3}

8 0
3 years ago
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31. What is the surface area of a cube with side length 5 cm?
yan [13]

Answer:

A=150cm²

Step-by-step explanation:

A=6a2=6·52=150cm²

7 0
2 years ago
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Write and solve an inequality<br> thirty is less than the sum of a<br> number x and 8.
VashaNatasha [74]

Answer:

30<x+8 and 22<x

Step-by-step explanation:

subtract 8 from 30 to get 22

7 0
2 years ago
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