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velikii [3]
3 years ago
14

Please help me in this​

Mathematics
1 answer:
Komok [63]3 years ago
6 0

Answer:

corret please help me in this

please help me in this

cor

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A 12-foot ladder rests against the side of a house. The base of the ladder is 3 feet away from the side of the house. How high a
Crazy boy [7]
Using the pythagorean theorem: c^2 = a^2 + b^2

c = 12 feet
a = 3 feet
b = x feet

12^2 = 3^2 + x^2
144 = 9 + x^2
144 - 9 = x^2
135 = x^2
x = 11.6 feet

Therefore, the answer is B.
3 0
4 years ago
What is the volume of this sphere
ruslelena [56]

Answer:

3052.08 m³

Step-by-step explanation:

\boxed{volume \: of \: sphere =  \frac{4}{3}\pi {r}^{3}  }

Given that the radius is 9m, r=9.

Volume of sphere

=  \frac{4}{3} (3.14)(9^{3} )

= 3052.08 m³

8 0
3 years ago
Read 2 more answers
2 1/4 = 1 2/7÷x<br><br> what is x?
Roman55 [17]

Answer:

x=4/7

Step-by-step explanation:

Change mixed fractions to improper fractions

2 1/4 = 9/4

1 2/7 =9/7

Therefore, we have

9/4=9/7÷x

9/7÷x is 9/7×1/x=9/7x

Then, we have

9/4=9/7x

Cross multipy

9×7x=9×4

63x=36

Make x the subject of the formula, we have

x=36/63

x=4/7

8 0
3 years ago
Which are equivalent expressions? Giving brainliest
MatroZZZ [7]

Answer:

7a. 7b=49ab

Step-by-step explanation:

5 0
3 years ago
Which is a y-intercept of the graphed function​
AfilCa [17]

Well, a y-intercept is a the point on a graph where the x value equals 0, because the point sits exactly on the y-axis. In this case, the y-intercept would be (0, -9).

5 0
3 years ago
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