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motikmotik
3 years ago
5

Can you pleas help me on that question please. Can you explain it too so I get how to do it for a test. Thank you :)

Mathematics
1 answer:
nlexa [21]3 years ago
6 0
Data Base A

The range is 20 for Data Base A.

The range is you subtract 21 minus 1 which you get is 20.

The IQR is 4 because you first find the median which is 5.

Then you find the first quartile median which is 2.

The third quartile range is 6.

Then subtract The first and third quartile range (6-2) which gives 2.

Data Base B

The Range is 20.

You subtract 21 by 1 and you get 20.

The IQR is 1 because you first find the median which is 17.

Then you find the first quartile range which is 17.

Then the third quartile which is 18.

Subtract both and you get one.
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Jonas has been saving for a video game . last year it costs $28 this year it costs $36 find the percent of change in the cost .
iren2701 [21]

Answer:

Last year the cost was $28.

This year the cost is $36.

$36 - $28 = $8

Percent of increase = amount of increase ÷ original amount

$8/$28 = $0.286

$0.286 · 100 = 28.6%

There has been a 28.6% of change in the cost.

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2 years ago
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Step-by-step explanation:

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OverLord2011 [107]
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3 years ago
Emily draws figures P, Q, R, and S. The center of dilation is point Z. Which figures are similar to figure Q? Explain your reaso
Ainat [17]

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Two figures that have the same shape are said to be similar. When two figures are similar, the ratios of the lengths of their corresponding sides are equal. To determine if the triangles below are similar, compare their corresponding sides.

8 0
3 years ago
Write the first 4 terms of the arithmetic sequence With first term 37 and common difference 9
alexandr402 [8]

Answers:

first term = 37

second term = 46

third term = 55

fourth term = 64

==========================================

Explanation:

Start at 37. Add 9 to this term to get the second term. Add 9 to that result to get the next term, and so on.

first term = 37

second term = 37+9 = 46

third term = 46+9 = 55

fourth term = 55+9 = 64

-----------

The nth term formula is

a(n) = 9n+28

It can be found by plugging a = 37 and d = 9 into the general form

a(n) = a + d*(n-1)

4 0
3 years ago
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