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myrzilka [38]
3 years ago
8

Answer the first word problem please! And show work

Mathematics
1 answer:
Travka [436]3 years ago
6 0

Answer:

b= 9.17 ft

Step-by-step explanation:

The 4 feet from the wall is the bottom part of the triangle. The 10 ft. ladder is the hypotenuse of the triangle. Use the Pythagorean Theorem and substitute the known values.

a^2+b^2=c^2

4^2+b^2=10^2

Then square all the known values

16+b^2=100

Then get b by itself

b^2=-16+100

add -16 and 100

b^2=84

and finally square root both sides of the equation

b=9.16515 ft or 9.17 ft

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3 years ago
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What is the coefficient of n^2 in the sum of -5^4+4n^2-n+5 and 7n^4-5n^3-9n^2+3n+2
pickupchik [31]
Hello :
-5^4+4n^2-n+5  : the coefficient of n^2 is : 4<span>
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3 years ago
If f(x) = x over 2 + 8, what is f(x) when x = 10?
jeka57 [31]

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