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3 years ago

9

If you place a 38-foot ladder against the top of a 32-foot building, how many feet will the bottom of the ladder be from the bot

tom of the building? Round to the nearest tenth of a foot.

1 answer:

TEA [102]3 years ago

7 0

Answer: 20.5

Step-by-step explanation:

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The cylinder is 20cm high and radius of its circular face is 3cm What is the total perimeter and area of the whole net?

trasher [3.6K]

Answer: $52\ cm,\ 176.55\ cm^2$

Step-by-step explanation:

Given

The cylinder is 20 cm high

The radius of the cylinder is $r=3\ cm$

The total area of the figure is the sum of the rectangle and two circles

$\Rightarrow \text{Perimeter P=}2[h+2r]\\\Rightarrow P=2[20+6]\\\Rightarrow P=52\ cm$

The total area of the figure is

$\Rightarrow \text{Area A=}h\times 2r+2\pi r^2\\\Rightarrow A=20\times 6+2\times \pi \times 3^2\\\Rightarrow A=120+18\pi\\\Rightarrow A=176.55\ cm^2$

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2 years ago

Ethan is saving money in his piggy bank for his upcoming trip to Disney World. On the first day, he put in $12 and plans to add

PSYCHO15rus [73]

Answer:

A

12+7x=a

x=days

a=amount of money

B 12+7x=a

Step-by-step explanation:

7(18)=126

12+126=a

138=a

7 0

3 years ago

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Find the surface area of the following pyramid using its net. Please answer correctly the 4 questions and I'll give you brainlie

Leto [7]

Answer:

The surface is 7.4344433322 acording to the exact dynamiter and angle of the pyrmaids

Step-by-step explanation

Im smart like that :)

5 0

3 years ago

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16=5y/3<br><br> HELLLPPP PLSSSS

Lunna [17]

Answer:

y = 9.6

Step-by-step explanation:

mark brainliest

4 0

3 years ago

In which atmosphere layer do humans live most of their lives?

icang [17]

Answer:

Troposphere

Step-by-step explanation:

We humans live in the troposphere, and nearly all weather occurs in this lowest layer. Most clouds appear here, mainly because 99% of the water vapor in the atmosphere is found in the troposphere.

5 0

3 years ago