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Helen [10]
3 years ago
10

How do you multiply and divide negative numbers

Mathematics
1 answer:
mylen [45]3 years ago
6 0

Answer:

Step-by-step explanation:

When multiplying or dividing two negatives, multiply or divide the normal way and make your answer positive. Two negatives make a positive.

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Find the interquartile range for each set of data.<br> Set 1: 21, 5, 14, 10, 8, 17, 2
tensa zangetsu [6.8K]

Answer:

12.

Step-by-step explanation:

First arrange in ascending order:

2 5 8 10 14 17 21

The median is 10.

the lower quartile is the middle number of 2 5 and 8 which is 5.

Similarly the upper quartile is 17.

IQR = 17 - 5 = 12.

6 0
3 years ago
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TJ, Max, and Misha are all the same age. The sum of their age is S years. how old was TJ 8 years ago?
yuradex [85]

Answer:

s-8

Step-by-step explanation:

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3 0
2 years ago
What is the measure of angle 1?<br> 20°<br> 42°<br> 138°<br> 160°
nikdorinn [45]

Step-by-step explanation:

line s || line t

r is the transversal,

Therefore,

(7x-2)°= (6x+18)° {exterior alternate angles}

7x-6x=18+2

x=20°

r is also a straight line,

therefore,

7x-2+angle1=180° (straight angle)

7x-2+ angle1=180°

7(20)-2+ angle 1= 180°

140°-2+ angle 1= 180°

angle 1= (180-140+2 )°= 42°

angle 1= 42°

8 0
3 years ago
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Evaluate 6x + 3y - 4, if x = 20 and y = 2.<br> ОА. 16<br> Ов. 20<br> Ос. 36<br> D 8
lord [1]

6x + 3y - 4

6(20)+3(2)-4

Do the brackets first.

120+6-4

120+2

122

Answer is 122

4 0
3 years ago
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Can i please have help thanks.
Dmitrij [34]

Answer:

q = 2(3r + 8)

Step-by-step explanation:

There are two variables, q and r in the expression given. To make r the independent variable, it simply means, make q the subject of the formula, so that variable q would be dependent on variable r. As r changes, q changes also.

Thus,

q - 10 = 6(r + 1)

Open the parenthesis

q - 10 = 6r + 6

Add 10 to both sides

q - 10 + 10 = 6r + 6 + 10

q = 6r + 16

q = 2(3r + 8)

4 0
3 years ago
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