A man is flying a kite on an eighty foot string. The kite has an angle of elevation measuring fifty five
1 answer:
Answer:
45.9 feet
Step-by-step explanation:
In this situation, the kite string represents the hypotenuse of a right triangle.
We need to solve for the horizontal distance, which will be the long leg of the triangle.
Use the cosine ratio (adjacent over hypotenuse), since we are given the hypotenuse and are solving for the adjacent leg.
Let x represent the horizontal distance:
cos 55 =
(80) (cos 55) = x
45.9 = x
So, the horizontal distance is approximately 45.9 feet
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Answer:
13. y = -4x + 6
14. y = 1/2x - 2
Step-by-step explanation:
You want to put y on one side and the rest of the numbers on the other side. You can do this by adding or subtracting or dividing the numbers/variables on the left.
13.
4x + y = 6
subtract both sides by 4x
y = 6 - 4x
or rewritten as:
y = -4x + 6
14.
-3x + 6y = -12
add both sides by 3x
6y = 3x - 12
divide both sides by 6
y = 1/2 x - 2
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