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3 years ago

15

Find the value of x. if your answer is not an interger, leave it in simplest radical form. The diagram is not drawn to scale. PL

EASE HELPP!!!

2 answers:

Reptile [31]3 years ago

8 0

Just do pythagorean theorem. The answer is the square root of 75

Ipatiy [6.2K]3 years ago

5 0

Check the picture below

using the 30-60-90 ratios

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A diving board is 10 feet above the surface of the water. At time t = 0, the board propels Chris upward at a rate of 12 feet per

Art [367]

Answer:

Chris will take 0.75 seconds to return to his starting height of 10 feet.

Step-by-step explanation:

Let the height of Chris be represented by $h(t) = -16\cdot t^{2}+12\cdot t +10$ , where $h(t)$ is the height in feet and $t$ , the time in seconds. First, we equalize the formula to a height of 10 feet and simplify the resulting expression, that is:

$-16\cdot t^{2}+12\cdot t +10 = 10$

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Then, we simplify the expression by algebraic means:

$-16\cdot t\cdot \left(t-\frac{3}{4} \right) = 0$

Roots of the polynomial are, respectively:

$t = 0\,s\,\lor \,t = 0.75\,s$

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3 years ago