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Andrei [34K]
4 years ago
15

It takes 8 hours to paint a room. How long will it take to paint 2/3 of the room?

Mathematics
2 answers:
Anvisha [2.4K]4 years ago
7 0

Answer:

5.33333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333

Step-by-step explanation:

Karo-lina-s [1.5K]4 years ago
3 0

Answer:

It would take 5 1/3 hours

Step-by-step explanation:

<u>Step 1:  Make an expression</u>

8 * 2/3 = x

<u>Step 2:  Multiply</u>

8 * 2/3 = x

16/3 = x

3/3 + 3/3 + 3/3 + 3/3 + 3/3 + 1/3

1 + 1 + 1 + 1 + 1 + 1/3

<em>5 1/3</em>

<em />

Answer:  It would take 5 1/3 hours

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(sinγ)Λ2+(cosγ)Λ2=1 => sinγ=√1-(cosγ)∧2= √1- (1/4)∧2=√1-(1/16)=√(15/16)=√15/4

A=(1/2)*6*7*√15/4=21*√15/4=(21/4)√15

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