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kherson [118]
3 years ago
8

Find each unit rate. Round to the nearest hundredth if necessary.

Mathematics
1 answer:
Vladimir79 [104]3 years ago
8 0

Answer:

A. 50 B. 27.5

Step-by-step explanation:

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Explain how to solve a system of equations using the addition method. Use 3x - 4y=12 and 2x+y=8 to illustrate.
DerKrebs [107]

The solution to the equations 3x - 4y=12 and 2x+y=8 are x = 4 and y = 0

<h3>What is a linear equation?</h3>

It is defined as the relation between two variables, if we plot the graph of the linear equation we will get a straight line.

If in the linear equation, one variable is present, then the equation is known as the linear equation in one variable.

We have two equations:

3x - 4y=12 and

2x+y=8

Multiplu by 4 on both side in equation  2x+y=8

8x + 4y = 32

Add the equaton 8x + 4y = 32 and 3x - 4y=12

3x - 4y=12

8x + 4y = 32

11x = 44

x = 4

Similarly, we can find the value of y:

y = 0

Thus, the solution to the equations 3x - 4y=12 and 2x+y=8 are x = 4 and y = 0

Learn more about the linear equation here:

brainly.com/question/11897796

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2 years ago
Help with khan academy
VladimirAG [237]
I’ve attached my work, hope it helps, just flip a and b

4 0
3 years ago
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Freeee pooiiintss!!<br> 3/4 into a decimal.
sveta [45]

Answer:

Hello there.

3/4 is 0.75

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Step-by-step explanation:

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HELP PLEASE ITS DUE TOMMOROW AND I HAVE 2 TESTS TO TAKE TODAY D:
Mashcka [7]

Answer:

x=25

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y=25 x=10

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Step-by-step explanation:

2x+10=60

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2x+6=100

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2x=94

2x/2=94/2

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5y/5=125/5

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11x+70=180

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11x=110

11x/11=110/11

x=10

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7y=3y+80

-3y-3y

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hopefully this helps :)

8 0
3 years ago
How do you right 7 to the -2 power as a simple fraction
tatuchka [14]

Answer:

1/49

Step-by-step explanation:

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