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ohaa [14]
2 years ago
8

Use elimination to solve only number 7

Mathematics
1 answer:
anzhelika [568]2 years ago
7 0
So the vs eliminate each other which leaves the ws and the 1,7. Then you add the 2 ws to get 2w and then add the numbers to get 2w=8, then divide 8 by 2 and you get w=4
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2gallons greater or less than 32 cups
IRISSAK [1]

Answer:

equals

Step-by-step explanation:

2 gallons equals 32 cups

3 0
2 years ago
Which of the following is equal to 7 1/3?
earnstyle [38]

Answer:

C

Step-by-step explanation:

If the number's a fraction, which this one is, the denominator will always be that little number by the radical, and the whole number will be in the root. Hope this helps!

5 0
3 years ago
Read 2 more answers
Solve the system of equations.
guajiro [1.7K]

Answer:

Option 2: (1, 0) and (0, -5)

Step-by-step explanation:

Let's solve this system of equations using the elimination method.

Start by labelling the two equations.

5x -y= 5 -----(1)

5x² -y= 5 -----(2)

(2) -(1):

5x² -y -(5x -y)= 5 -5

Expand:

5x² -y -5x +y= 0

5x² -5x= 0

Factorise:

5x(x -1)= 0

5x= 0 or x -1= 0

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Now that we have found the x values, we can substitute them into either equations to solve for y.

Substitute into (1):

5(0) -y= 5 or 5(1) -y= 5

0 -y= 5 or -y= 5 -5

y= -5 or -y= 0

y= 0

Thus, the solutions are (0, -5) and (1, 0).

3 0
2 years ago
Danielle earns a 7.75% commission on everything she sells at the electronics store where she works. She also earns a base salary
kaheart [24]

Answer:

ok so this can be represented as

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divide by 7.75

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Hope This Helps!!!

3 0
2 years ago
Here goes another question
nlexa [21]

Answer:

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Step-by-step explanation:

In order to solve this, we need to use point-slope form.:

y - y1 = m(x - x1)

Substitute the numbers into the equation:

y - (-8) = 1(x - 0)

y + 8 = x

y = x - 8

7 0
3 years ago
Read 2 more answers
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