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anzhelika [568]
4 years ago
7

Nancy’s 50-meter freestyle swim time was 28.004 seconds. Betty’s 50-meter freestyle swim time was 27.949 seconds. What was the d

ifference between Nancy’s and Betty’s swim times?
Mathematics
2 answers:
vladimir2022 [97]4 years ago
8 0
If you subtract Betty's time for the swim, 27.948 seconds, from Nancy's time, 28.004 seconds, you will find that Betty was faster than Nancy by 0.056 seconds. She would be considered the winner of the 50-meter freestyle swim.
Vladimir [108]4 years ago
3 0

Answer:

Difference between Nancy's and Betty's swim times will be 0.055 seconds.

Step-by-step explanation:

It is given in the question that Nancy's 50- meter freestyle swim time was 28.004 sec. and Betty's swim time was 27.949 sec.

We have to calculate the difference between their swim times.

So to find difference from Nancy's swim time and Betty's swim time we will subtract Betty's swim time from Nancy's time.

The difference will be = 28.004 - 27.949 = 0.055 sec.

And the winner is Betty who took 0.055 seconds lesser than Nancy's swim time.

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Answer:

It depends on the relation between the heights  of both pyramids

Step-by-step explanation:

We know the volume of a pyramid of base b and height h is

V=\frac{1}{3}bh

If the volume of the pyramid A is 3 times the volume of the pyramid B, then

\frac{1}{3}b_ah_a=3*\frac{1}{3}b_bh_b=b_bh_b

Which means

b_ah_a=3*b_bh_b

If we knew both heights are the same, we could conclude that

b_a=3*b_b

In which case the base of the pyramid A would be greater than the other base

But if, for example, the height of the pyramid A is 3 times the height of the other height, then

3*b_a=3*b_b=>b_a=b_b

Both bases would be the same.

If we choose that  

h_a >3*h_b

it would mean

b_a

In which case the base of the pyramid A would be less than the other base

So the answer entirely depends on the relation between the heights of both pyramids

3 0
3 years ago
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Sunny_sXe [5.5K]
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Answer:

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Step-by-step explanation:

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3 years ago
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elise bought a video game for $65.00. if the store charged 150% of what it paid for the game, how much is the store’s profit?
OLEGan [10]

Answer:

$21.67 profit

Step-by-step explanation:

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vivado [14]
Y = mx + b
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