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3 years ago

15

Help me please!!!

1 answer:

dybincka [34]3 years ago

7 0

Answer:17

Step-by-step explanation:

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49a = 245.....................................................

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You would divide 245 by 49 to get a
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3 years ago

George said if 2 and 4 are factors of a number, then 8 is a factor of the whole number. is he correct explain

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3 years ago

Steve puts an 18-foot ladder against his house. The ladder reaches a height of 15 feet on the house. How far is the bottom of th

krek1111 [17]

Answer:

$3 \sqrt{11}$

Step-by-step explanation:

Since we are given the hypotenuse which is 18 since it slanted, and leans on the house. And we are given one of the legs which is 15 since it is vertical. We can use the pythagorean theorem to solve for this problem.

${a}^{2} + {b}^{2} = c {}^{2}$

where a and b are the legs and c is the hypotenuse l.

Let plug it in

${a}^{2} + 15 {}^{2} = {18}^{2}$

${a }^{2} + 225 = 324$

${a}^{2} = 99$

$a = \sqrt{99}$

$a = \sqrt{9 \times 11}$

$a = 3 \sqrt{11}$

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3 years ago