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timurjin [86]
3 years ago
13

Plz help on 1,3,4 thx!

Mathematics
1 answer:
Natalka [10]3 years ago
6 0
1. IQR = Q3 - Q1 = 35 - 20 = 15

A. 15

3. The ages include 20 and 25 so A and C are out, and the ages are between the two ages

B. a >= 20 and a <= 25

4. With the addition of 30, there are now 14 dots. Therefore, the median will be the mean of the 7th and 8th dots from least to greatest on the number line. In this case, it would still be 22.

C. The median would stay the same.
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Complete the square to transform the quadratic equation into the form
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The square of a binomial is written like

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In your case, you have 2ax=-8x, which implies a=-4

So, we want to write

(x-4)^2 = x^2-8x+16

But our left hand side is

x^2-8x-10

If we add 26 to both sides, we have

x^2 - 8x - 10 +26 = 18+26 \iff x^2-8x+16=44 \iff (x-4)^2=44

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How much is 12 cents + 5 dimes + one 5 cents equals?
Mumz [18]
<h3>How much is 12 cents + 5 dimes + one 5 cents equals?</h3>

Heres the convertion of the money:

Convertion of a dime: 1d=10c

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Convertion of a nickel: 1n=5c

Given

12p=12c

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Therefore, <u>67 cents</u> is your correct answer.

Learn more about money here:

brainly.com/question/162522

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its right i know

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