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irakobra [83]
3 years ago
5

When solving a linear system by substitution, how do you decide which variable to solve first?

Mathematics
1 answer:
rosijanka [135]3 years ago
7 0

Answer: whichever one is easiest to get by itself.

Step-by-step explanation:

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Following are heights, in inches, for a sample of college basketball players. 78 83 82 78 78 80 81 79 79 83 77 78 84 82 80 80 82
blagie [28]

The mean height of the basketball players is 80.3 inches

For given question,

we have been given the list of heights, in inches, for a sample of college basketball players.

We need to find the mean height of the basketball players.

We know that, for given sample of data

mean = sum of all observations ÷ total number of observation

First we find the sum of given heights.

78 + 83 + 82 + 78 + 78 + 80+ 81 +79+ 79 +83+ 77 +78+ 84+ 82+ 80+ 80 +82+ 84+78+ 80 = 1606

Total number of observations = 20

Using the formula of mean,

⇒ mean height = 1606/20

⇒ mean height = 80.3 inches

Therefore, the mean height of the basketball players is 80.3 inches

Learn more about the mean here:

brainly.com/question/6813742

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3 0
1 year ago
Solve for x. 8/9x=32 Enter your answer in the box. x =
lorasvet [3.4K]

Answer:

x = 36

Step-by-step explanation:

Given;

(8/9)x = 32

Solving for x

Multiply through by 9

(8/9)×9 ×x = 32×9

8x = 32×9

Divide through by 8

8x/8 = 32×9/8

x = 36

6 0
3 years ago
Help meeeeeee!!!!!!!!!!
Soloha48 [4]
T-m=25
3m=J
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Matt spent 50 dollars
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and Tim spent 75

6 0
3 years ago
75 1. Enter a number equal to the value of the expression. (75 hundredths) + (4 x 100) + (67 ones) + (5 tens) 2. Rocky's rug is
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We can’t it take a picture of it . And jd s d
5 0
3 years ago
I have 30 question test and need 70% to pass how many questions can be wrong
alekssr [168]
Total questions are 30.

70% of 30
=30(70/100)
=21

So, the questions can be wrong are 30-21.
=9 questions..

Thanks!
3 0
3 years ago
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