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SpyIntel [72]
3 years ago
6

A ladder is leaning against

Mathematics
1 answer:
Svetradugi [14.3K]3 years ago
5 0

Answer:

25 ft

Step-by-step explanation:

This is a right triangle, so we can use the Pythagorean theorem

a^2+b^2 = c^2  where a and b are the legs and c is the hypotenuse

15^2 + 20 ^2 = x^2

225+400= x^2

625 = x^2

Take the square root of each side

sqrt(625) = sqrt(x^2)

25 = x

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What is 15% of "x"<br><br> PLEASE HELP
Greeley [361]

Answer:

  0.15x

Step-by-step explanation:

15% of anything is 15/100 or 0.15 of it. You find that value by multiplying the "anything" by 0.15.

Since we don't know the value of x, the best we can do is show that the number of interest is x multiplied by 0.15.

8 0
4 years ago
A cylinder has a volume of 320 pi cu. in. and a height of 5". Find the radius of the cylinder.
crimeas [40]

Answer:

The radius of cylinder is 8 inches.

Step-by-step explanation:

We have given,

Volume of cylinder = 320π   cubic inches

Height of cylinder = 5 inches

We know, Formula for volume of cylinder as : V =πr²h

where r is radius of cylinder and h is the height of cylinder.

So, We can plug values for V and h to get radius of cylinder.

i.e  V = πr²h

320π = πr²* 5

Solving for r.

We get,

320 = r² * 5

320/5 = r²

64 = r²

or r = ±8 , Since radius of cylinder can not a negative number so we neglect -8.

Hence the radius of cylinder is 8 inches.


3 0
3 years ago
3(3+2x)=2(-4+3x) has how many solutions?
Delvig [45]

Answer:

no solution

Step-by-step explanation:

6 0
3 years ago
In the diagram below, AD || EH, m/ABF
Oksanka [162]

Answer:

Step-by-step explanation:for the triangle GIF, angle g = 80

angle f = 42 since angle FBA = 138

so angle i = 180 - 42 - 80

                 = 58

4 0
2 years ago
What is the value of 62 tens
Stells [14]
Im pretty sure its 620

62
x 10
-------
620
8 0
4 years ago
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