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bixtya [17]
3 years ago
7

A school-bus is dropping students off after school. When the bus left the

Mathematics
2 answers:
inysia [295]3 years ago
8 0

Answer: 60% decrease

40 - 16 = 24

24/40 = 0.6 = 60%

Verdich [7]3 years ago
3 0

Answer:

60%

Step-by-step explanation:

40-16=24

24/40=0.6

0.6*100=60

First, work out the difference (decrease) between the two numbers you are comparing.

Decrease = Original Number - New Number

Next, divide the decrease by the original number and multiply the answer by 100.

% Decrease = Decrease ÷ Original Number × 100

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Answer:

h(t)=-16t^2+85t+28  is equation of height of rocket.

Option D is correct.

Step-by-step explanation:

Given: A rocket is launched with speed 85 ft/s from a height 28  feet.

Launching a rocket follows the path of parabola. The equation of rocket should be parabolic.

Parabolic equation of rocket is

Formula: h(t)=\dfrac{1}2gt^2+v_0t+h_0

g ⇒ acceleration due to gravity (-32 ft/s)

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h(t)=\frac{1}{2}(-32)t^2+(85)t+28

h(t)=-16t^2+85t+28

D is correct.

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3 years ago
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Answer:

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