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grandymaker [24]
3 years ago
9

A skydiver jumps from an airplane at an altitude of 12,000 feet. after 42 seconds she reaches 4608 feet and opens her parachute.

what was her average velocity during her descent
Mathematics
2 answers:
pashok25 [27]3 years ago
6 0
Average velocity = (12000-4608)/42 = 176 ft/s
lubasha [3.4K]3 years ago
5 0
I think its a 176 feet per second
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lidiya [134]

Answer:

Distance covered by hula hoop rolls in 4 full rotations is 880 cm .

Step-by-step explanation:

Formula

Perimeter\ of\ a\ circle = 2\pi r

Where r is the radius of the circle.

As given

Allison is rolling her hula hoop on the playground.

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r = 35 cm

\pi = \frac{22}{7}

Putting the value in the formula

Perimeter\ of\ a\ hula hoop = 2\times \frac{22}{7} \times 35

                                             = 220 cm

As given

The hula hoop rolls in 4 full rotations.

Distance covered by hula hoop rolls in 4 full rotations =  220 × 4

                                                                                          = 880 cm

Therefore the Distance covered by hula hoop rolls in 4 full rotations is 880 cm .

6 0
3 years ago
/viewform?hr submission=Chclk4feKBIQ.
Gennadij [26K]

Answer:

c) .22

Step-by-step explanation:

We have that to find our \alpha level, that is the subtraction of 1 by the confidence interval divided by 2. So:

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Now, we have to find z in the Ztable as such z has a pvalue of 1-\alpha.

So it is z with a pvalue of 1-0.025 = 0.975, so z = 1.96

Now, find the margin of error M as such

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In this question:

\sigma = 2.5, n = 500

Then

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M = 1.96*\frac{2.5}{\sqrt{500}}

M = 0.22

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The process of moving a figure to a different location is called:
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The process of moving a figure to a different location is called TRANSFORMATION. 
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vladimir1956 [14]
200,000 thousand is the answer kid.
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