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Rainbow [258]
2 years ago
12

The graph shows the solution to which systems of equations?

Mathematics
1 answer:
fgiga [73]2 years ago
8 0
Tell you the truth bro I don't know
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The perimeter of a rectangle is 50 cm and the length is 4 cm longer than the width. Write and solve the system of equations usin
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If two point lie in the same plane, then a line containing the lies in the plane. Illustrate.
dlinn [17]

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tom

Step-by-step explanation:

4 0
3 years ago
Hello there I need help.
andriy [413]

Answer:

A. 40

Step-by-step explanation:

Q1 - 40

Q2 - 65

Q3 - 80

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5 0
2 years ago
Find the sample variance for the data 9,12,9,14,6. Round the answer to one decimal place. Sample variance
Feliz [49]

Answer:

9.5

Step-by-step explanation:

Find the sample variance for the data 9,12,9,14,6. Round the answer to one decimal place. Sample variance.

Step 1

We find the Mean of the numbers

Mean = Sum of terms/ Number of terms

Mean = 9+12+9+14+6/5

= 50/5

= 10

Step 2

We find the sample variance

Formula =

(x - Mean)²/n - 1

n = 5

= (9 - 10)²+(12 -10)²+(9- 10)²+(14-10)²+(6-10)²/5 - 1

= 1+ 4+ 1+ 16+16/5 - 1

= 38/5 - 1

= 38/4

= 9.5

Therefore, Sample variance = 9.5

3 0
3 years ago
Find the inverse of f(x)=1/2x+3
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Answer:

f(x)=2x-6?

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3 years ago
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