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ad-work [718]
3 years ago
6

Read the real-world situation and substitute in values for the projectile motion formula. Then solve the resulting quadratic equ

ation by factoring to answer the question. An airplane pilot jumps out of an airplane and has an initial velocity of 60 feet per second downwards. How long does it take to fall from 1000 feet to 900 feet before the parachute opens? The pilot falls for seconds before the parachute opens.

Mathematics
1 answer:
Alina [70]3 years ago
3 0

Answer:It will take 5 sec for a parachute to open.I did it on a piece of paper for u to show u more information

Step-by-step explanation:

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<img src="https://tex.z-dn.net/?f=4%20%2B%20%20%5Csqrt%7B7%7D%20" id="TexFormula1" title="4 + \sqrt{7} " alt="4 + \sqrt{7} " a
ivann1987 [24]

4 +  \sqrt{7}
Calculate the appropriate values, we get

= 4 + 2.64575
=  > 6.64575
3 0
3 years ago
If f (x) is a one-to-one function and f (8) = -2 then which of the following points
Lerok [7]

Answer:

I think it is -2,8

Step-by-step explanation:

6 0
3 years ago
What is the average rate of change of (4,8) and (-3,7)?
yarga [219]
Y2-y1/x2-x1 = 7-8/-3-4=-1/-7 =1/7
5 0
4 years ago
The size of a TV is determined by the length of the diagonal of the TV. A 42" TV means the length from one corner to the other i
marusya05 [52]

Answer: height of TV = 21"

Width of TV = 36.372"

Step-by-step explanation:

The TV is rectangular and the diagonal divides the rectangle into 2 equal right angle triangles. The diagonal represents the hypotenuse of the right angle triangle. If the diagonal forms a 30 degree angle with the base of the TV, then the height of the TV represents the opposite side of the right angle triangle and the width of the TV represents the adjacent side of the right angle triangle.

To determine the height, h of the TV, we would apply the Sine trigonometric ratio.

Sin θ = opposite side/hypotenuse. Therefore,

Sin 30 = h/42

h = 42Sin30 = = 42 × 0.5

h = 21"

To determine the width, w of the TV, we would apply the

the cosine trigonometric ratio.

Cos θ, = adjacent side/hypotenuse. Therefore,

Cos 30 = w/42

w = 42Cos30 = 42 × 0.866

w = 36.372"

7 0
3 years ago
What are the apparent zeros of the function graphed above. (-0.7, -2,7)
castortr0y [4]

Answer:

x ∈ {-2, 1, 4}

Step-by-step explanation:

The graph shows y = 0 when x = -2 or 1 or 4. Hence these values of x are the zeros of the function.

3 0
4 years ago
Read 2 more answers
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