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mash [69]
3 years ago
11

8 quarters or 2 1 dollar bills and why

Mathematics
1 answer:
anygoal [31]3 years ago
5 0

They both have the same value.

Step-by-step explanation:

4 quarters= 1 dollar

So, 8 quarters would be 2 dollars.

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What is the full number of 2.2300745e56?
xz_007 [3.2K]

Answer:

2 23000745000000000000000000000000000000000000000000000000        ( if I counted correctly !)

Step-by-step explanation:

It is really big ....move the decimal to the right  56 places

  the e  means exponent    2.2300745 x 10^56

3 0
2 years ago
8 Leandra's fastest time for the 400 m is 70 seconds. In his next race he improves by
disa [49]

8) a) The new fastest time is 56.7 seconds, b) The <em>overall percentage</em> improvement is 19 %.

9) The height after the first increase is 1.375 meters and after the second increase is 1.54 meters.

<h3>How to apply percentages in real life applications</h3>

In this problem we have two examples from real life, in which percentages are used. The first is the distance traveled by a runner in a given time and the second is the growth of a person in time. Change in variables based on percentages are described by the following formula:

C' = C · (1 + r / 100)     (1)

Where:

  • C - Initial value
  • C' - Final value
  • r - Percentage of change.

Now we proceed to resolve on each case. 8) a) Please notice that the runner must cover the trail in less time and percentage time must be negative. If we know that C = 70 and r = - 10, then his new fastest time is:

C' = 70 · (1 - 10 / 100)

C' = 70 · 0.90

C' = 63

And again: (C' = 63, r = - 10)

C'' = 63 · (1 - 10 / 100)

C'' = 63 · 0.90

C'' = 56.7

The new fastest time is 56.7 seconds.

b) And the overall percentage improvement is:

r = (|C'' - C| / C) × 100 %

r = (|56.7 - 70| / 70) × 100 %

r = 19 %

The <em>overall percentage</em> improvement is 19 %.

9) If we know that C = 1.25 and r = 10, then the height next year is:

C' = 1.25 · (1 + 10 / 100)

C' = 1.375

And again: (C' = 1.375, r = 12)

C'' = 1.375 · (1 + 12 / 100)

C'' = 1.54

The height after the first increase is 1.375 meters and after the second increase is 1.54 meters.

To learn more on percentages: brainly.com/question/13450942

#SPJ1

3 0
2 years ago
In the figure below the y-axis points north, the x-axis points east, and the xy-plane corresponds to the surface of the water. S
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So the question ask to find the displacement vector and the distance from the submarine to the boat. Base on my calculation the displacement value of the given data you give is <(5-3),(1-4)(-5-0)>. I hope you are satisfied with my answer and feel free to ask for more 
4 0
3 years ago
Which statement is false?(1 point)
Sergio039 [100]
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</span>                                           Witch one do u think it is??

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3 years ago
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valina [46]

Answer:

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Step-by-step explanation:

4 0
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