Y = 5x + 4
Gradient = slope = 5
(0,4) = y - intercept
You are solving for the height. Use the formula:
c² - b² = a² in which c = hypotenuse
(13)² - (5)² = a²
Simplify
169 - 25 = a²
144 = a²
Isolate the a. Root both sides
√144 = √a²
a = √144
a = √(12 x 12)
a = 12
C) 12 feet is your answer
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Answer:
-4x
Step-by-step explanation:
Evaluated is 4/5
decimal form is 0.8
The answer for this question is 88mm2