The bottom of a 13-foot straight ladder is set into the ground 2.5 feet away from a wall. When the top of the ladder is leaned against the wall, what is the distance above the ground it will reach? Round to the nearest tenth.

x =±sqrt(1/3)

step-by-step explanation:

x+4/6x=1/x

multiply each side by 6x to get rid of the fractions

6x*(x+4/6x)=1/x*6x

distribute

6x^2 +4 = 6

subtract 4 from each side

6x^2 +4-4 = 6-4

6x^2 =2

divide by 6

6x^2/6 = 2/6

x^2 = 1/3

take the square root of each side

sqrt(x^2) = ±sqrt(1/3)

x =±sqrt(1/3)

c

step-by-step explanation:

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c. histogram

step-by-step explanation: