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Radda [10]
2 years ago
15

If you place a 23-foot ladder against the top of a building and the bottom of the ladder is 11 feet from the bottom of the build

ing, how tall is the building? Round to the nearest tenth of a foot. PLEASE HURRY

Mathematics
2 answers:
ale4655 [162]2 years ago
5 0

Answer:

12 feet and 2/10

Step-by-step explanation:

zlopas [31]2 years ago
3 0

Answer:20.2

Step-by-step explanation:

a^2+(11)^2 =23^2 a^2 +121=529

a^2=408 a=20.199009…

a=20.2

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Assume that a simple random sample has been selected from a normally distributed population and test the given claim. Identify t
CaHeK987 [17]

Answer:

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Step-by-step explanation:

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4 0
2 years ago
A hollow ball is made of rubber that is 2 centimeter thick. The ball has a diameter of 20 centimeters at the outside surface.
MissTica

Answer:

628.57CM²

Step-by-step explanation:

20/2=10

VOLUME OF CYLINDER=PIR^2H

22/7*10*10*2=628.57

8 0
2 years ago
C an anyone solve this 3(2b + 3)2 = 36<br> and if so what is it
Natali [406]
3(2b + 3)^2 = 36

Divide by 3 on both sides:
(2b + 3)^2 = 12

Square root both sides:
2b + 3=  \pm \sqrt{12}

Take away 3 from both sides:
2b= \pm \sqrt{12} - 3

Divide by 2 on both sides:
b=  \dfrac{ \sqrt{12} -3 }{2}  \ or \ b=  \dfrac{ -\sqrt{12} -3 }{2}

Answer:
b=  0.23 \ or \ -3.23


5 0
2 years ago
Read 2 more answers
Please explain how I find the surface area and the answer please
docker41 [41]
You can take it apart. There are a top and bottom (both the same) right triangle. So you can find the area of that by multiplying 8*6 and divide by two. Then multiply by two because there are 2 triangles.
You are left with three rectangular sides: One 10x10, one 10x6, and one 10x8.
So your whole equation looks like this: A = 2[(8*6)/2]+(10*10)+(10*6)+(10*8)
5 0
3 years ago
What is 70 percent of 1872
uranmaximum [27]

Answer:

1310.4

Step-by-step explanation:

1872 x 0.7 = 1310.4

4 0
3 years ago
Read 2 more answers
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