How do you do this ? Need some help ASAP!

Mathematics

1 answer:

Ivan2 years ago

6 0

Answer:

On what

Step-by-step explanation:

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Factorize a)a²x+2ax-3x+5a²+10a-15 b)(a+b)(a-b)-a+b c)x³-x²+x+x²y-xy+y

alexandr1967 [171]

Answer:

(a)x(a^2+2a-3)+5(a^2+2a-3)

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3 years ago

A fireman learned a 36 foot ladder against a building.If he placed the ladder 7 feet from the base of the building,what angle is

andrew11 [14]

Answer:
The angle between the ladder and ground is 78.78°

Explanation:
It is given that the length of the ladder is 36 foot and the distance between the base and the ladder is 7 feet.

Here we can see that the hypotenuse is 36 foot and the base is 7 feet. To find the angle between the ladder and the ground we take the cos inverse of 7/36.

Let the angle between the ladder and the ground is ‘x’.

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