2 years ago

I’ll give you a brain list !

Mathematics

1 answer:

Ipatiy [6.2K]2 years ago

7 0

Answer: 1 cup of macaroni for 3 cups of water

Step-by-step explanation:

9/27 divided 3=1 cup/3 cup

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Express 72×12 in the exponential form

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3 years ago

What exactly is 30% of 40

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12 . 10% = 4 -> 4*3= 12

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Shtirlitz [24]

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b and a=40⁰ so if b+c is supplementary they equal 180⁰ together so 180-40= 150⁰

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-3y=12+3x

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Answer:

height of the building is 12.99 feet.

Step-by-step explanation:

given, try to analyse:

ladder 15 feet long.
60 degree angle to the ground.

the height of the building is opposite to the angle 60° and given hypotenuse, the ladder of 15 feet long.

using sine rule:

$sin(x) = \frac{opposite}{hypotenuse}$

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Therefore the height of the building is 12.99 feet.

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