11. a man is lying on the beach, flying a kite. he holds the end of the kite string at ground level and
estimates the angle of elevation of the kite to be 50°. if the string is 450 feet long, how high is the
kite above the ground?

4a. is 3 miles every hour

4b. is 1/3 of an hour per mile

step-by-step explanation:

step-by-step explanation:

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x = 2

step-by-step explanation:

if sr parallel to ba then the sides bc and ac are in proportion, that is

= ← substitute values

= ( cross- multiply )

27x = 6(4x + 1)

27x = 24x + 6 ( subtract 24x from both sides )

3x = 6 ( divide both sides by 3 )

x = 2