A 12-foot ladder is leaning against a wall. The bottom of the ladder is 5 feet away from the bottom of the wall. Approximately how high up the wall does the top of the ladder reach? A. 2.4 feet B. 7.0 feet C. 13.0 feet D. 10.9 feet
A 12-foot ladder is leaning against a wall. The bottom of the ladder is 5 feet away from the bottom of the wall. Approximately how high up the wall the top of the ladder reaches is 10.9 feet. 5^2+10.9^2=12^2
Question
Updated 3/26/2014 12:42:54 PM
Rating
4
A 12-foot ladder is leaning against a wall. The bottom of the ladder is 5 feet away from the bottom of the wall. Approximately how high up the wall the top of the ladder reaches is 10.9 feet.
5^2+10.9^2=12^2
Rated good by 5sosZ

Questions asked by the same visitor
A tree is 132 inches tall. The distance from the top of the tree to the tip of the tree's shadow is 166 inches. Approximately how long is the tree's shadow? A. 212 inches B. 149 inches C. 101 inches D. 34 inches
Question
Updated 3/26/2014 12:40:36 PM
A tree is 132 inches tall. The distance from the top of the tree to the tip of the tree's shadow is 166 inches. The approximate length of the shadow is 101 inches.
(166^2)-(132^2)=10,132
Square root of 10,132 is 100.7
Rated good by 5sosZ
If f(x) varies directly with x, and f(x) = 56 when x = 8, find the value of f(x) when x = 2 A. 4 B. 7 C. 8 D. 14
Question
Updated 4/13/2014 11:11:51 PM
f(x) varies directly with x, the function is f(x) = kx;
f(x) = 56 when x = 8, k = f(x)/x = 56/8 = 7
The function is f(x) = 7x;
when x = 2, f(2) = 7(2) = 14
Confirmed by jeifunk [4/13/2014 11:15:03 PM], Rated good by 5sosZ
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