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maria [59]
2 years ago
5

John has 4/5 gallon of paint. He uses half of that paint for a project. How much paint does John use for his project?

Mathematics
2 answers:
sergiy2304 [10]2 years ago
5 0

Answer:

he used .04 paints

Step-by-step explanation

0.4 is half of 4/5

yawa3891 [41]2 years ago
4 0
0.4 in decimals, 2/5 in fractions.
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3 years ago
Me need more help plz also add explanation real explanation
Reika [66]

So we want to find the surface area of this pyramid. Finding the surface area of a 3D shape is essentially finding the area of all its sides and adding them together.

What we're going to have to do here is find the area of the base of the pyramid, which is basically a square, and find the area of all four sides of the pyramid, which are triangles.

Formula for area of a square: length × width

Formula for area of a triangle: (base × height) ÷ 2

First we will find the area of the base:

l × w = A

(Write out formula)

8 × 8 =

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A = 64 m^2 (square meters or meters squared)

(We have our answer, dont forgot to write your units.)

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All that's left is adding the 96 to the area of the base to get our total surface area of the pyramid:

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The surface area of the pyramid is 160m^2(square meters or meters squared)

(Hope this helps :) )

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2 years ago
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