Which equation is represented by the intersection of the graphs below?

Mathematics

1 answer:

exis [7]3 years ago

6 0

Answer:

the answer would be C i hope this helps

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LekaFEV [45]

1233mZXOZ

Step-by-step explanation:

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3 years ago

What is one tenth of 0.5

Paraphin [41]

0.5 x 1/10 = 0.05 All you do is multiply

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3 years ago

Find sin q if q is an angle in standard position and the point with coordinates (4, 3) lies on the terminal side of the angle.

jolli1 [7]

Letâ€™s say we have a starting point (0,0), the point (4,3) are distance apart at 90 degrees, hence the hypotenuse to those two distance will be 5. Therefore sin q = 4/5.

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2 years ago

The function h(t) = -16t2 + 48t + 28 models the height (in feet) of a ball where t is the time (in seconds).

Alex17521 [72]

Answer:

Step-by-step explanation:

[using calculus] When the function h(t) reaches its maximum value, its first derivative will be equal to zero (the first derivative represents velocity of the ball, which is instantaneously zero). We have $h'(t) = -32t + 48$ , which equals zero when $t = 3/2 = 1.5$ . The ball therefore reaches its maximum height when t = 1.5. To find the maximum height, we need to find h(1.5), which is 64 feet.

[without calculus] This is a quadratic function, so its maximum value will occur at its vertex. The formula for the x-coordinate of the vertex is -b/2a, so the maximum value occurs when t = -48/(2*16), which is 1.5. The maximum height is h(1.5), which is 64 feet.