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3 years ago

6

Marci ran a total of 13 miles in five days. She ran 3 miles each day on Monday, Wednesday, and Friday. She ran 1. miles on Tuesd

ay.
How many miles did Marci run on Thursday?
A. 1 1/2
B. 1 3/4
C. 2
D. 2 1/4

1 answer:

Nataliya [291]3 years ago

3 0

To the best of my knowledge I would say 2 1/4.

I hope I helped have a great day

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3 years ago

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The length of a square is 6 2/3 inches. What is the Perimeter of the square?

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Answer:

<u><em>26 2/3 inches</em></u>

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2 years ago

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2 years ago

5.8 times 10 and show work (optional)

Step2247 [10]

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3 years ago

Solve the system of equations.<br> – 9y + 4x – 11 = 0<br> - 3y + 10x + 31 = 0

Kruka [31]

value of x =-4 and value of y=-3

(-4,-3) is the solution of system of equations.

Step-by-step explanation:

We need to solve the system of equations

$-9y + 4x-11 = 0- 3y + 10x + 31 = 0$

Rearranging:

$-9y + 4x = 11\,\,\,eq(1)\\- 3y + 10x=- 31 = 0\,\,\,eq(2)$

Multiply eq(2) with 3 and subtract eq(2) from eq(1)

$-9y + 4x = 11\\-9y+30x=-93\\+\,\,\,\,\,\,-\,\,\,\,\,\,\,\,\,\,\,\,+\\----------\\-26x=104\\x=\frac{104}{-26}\\x=-4$

Putting value of x = -4 into eq(1)

$-9y + 4x = 11\\-9y+4(-4)=11\\-9y-16=11\\-9y=11+16\\-9y=27\\y=\frac{27}{-9}\\y=-3$

So, value of x =-4 and value of y=-3

(-4,-3) is the solution of system of equations.

Keywords: system of equations.

Learn more about system of equations at:

#learnwithBrainly

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3 years ago