3 years ago

Is my answer correct? If not please help.

Mathematics

1 answer:

DerKrebs [107]3 years ago

4 0

I think you are correct

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What is the value of n in the equation 0.2(n - 6) = 2.8?<br> (1) 8 (3) 20<br> (2) 2 (4) 44

trapecia [35]

Solve for n.

0.2(n - 6) = 2.8

Distribute

0.2*n - 0.2*6 = 2.8
0.2n - 1.2 = 2.8

Now inverse operation should be applied

0.2n - 1.2 = 2.8
+ 1.2 +1.2

2.8 + 1.2 = 4

0.2n = 4
0.2n/0.2 = 4/0.2
n = 20

Answer: 20

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3 years ago

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tresset_1 [31]

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a_sh-v [17]

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How to round number to the given place value position

Alisiya [41]

5 or more raise the score 4 or less let it rest. What is the number beside it example
3.14576
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4 years ago

Find the volume of a pyramid with a square base, where the area of the base is

never [62]

Answer:

$V=60.28\ cm^3$

Step-by-step explanation:

Given that,

The area of the base = 13.2 cm²

The height of the pyramid = 13.7 cm

We need to find the volume of this pyramid. The formula can be given by :

$V=\dfrac{1}{3}Bh$

Put all the values,

$V=\dfrac{1}{3}\times 13.2\times 13.7\\\\V=60.28\ cm^3$

So, the volume of the pyramid is equal to $60.28\ cm^3$ .

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3 years ago