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san4es73 [151]
3 years ago
9

Item 10 A 12-foot ladder leans against the side of a house with its base 3 feet from the house. Use the Pythagorean Theorem to a

pproximate how high the ladder reaches up the side of the house. Round your answer to the nearest hundredth
Mathematics
1 answer:
Yanka [14]3 years ago
5 0

Answer:

11.6 foot

Step-by-step explanation:

Length of the Ladder=12 foot

Distance of the base of the Ladder from the House=3 foot

Since the ladder leans against the wall in a slant position, it is the hypotenuse.

From Pythagoras Theorem,

Hypotenuse ²= Opposite ²+ Adjacent ²

12²=3²+x²

x²= 12²-3²=144-9=135

x=√135=11.61895003862

The Ladder reaches up to a height of 11.6 foot (to the nearest tenth) on the house.

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<h3>Answer: Choice C) $1,444.50</h3>

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There are two methods to get the answer.

The slightly longer method is to take 7% of the original price to get

7% of 1350 = (7/100)*1350 = 0.07*1350 = 94.50

The sales tax is $94.50

Add this onto the original price to get 1,350+94.50 = 1,444.50

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A shortcut is to multiply the original price by 1.07

The multiplier 1.07 represents a 7% increase since

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So we will have 1.07*1350 = 1,444.50

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3 years ago
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Hi Natalie

We have x/4 = 9

All you have to do is cross multiplication

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That's all :)

I hope that's help:)


Now if you wanna check my answer just replace x by 36

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Because when you divide 36 by 4 you will find 9


I hope that's help:)

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