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2 years ago

7

Use elimination and explain

1 answer:

Temka [501]2 years ago

4 0

Answer:

The elimination method for solving systems of linear equations uses the addition property of equality. You can add the same value to each side of an equation. So if you have a system: x – 6 = −6 and x + y = 8, you can add x + y to the left side of the first equation and add 8 to the right side of the equation

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How do you right 7 to the -2 power as a simple fraction

tatuchka [14]

Answer:

1/49

Step-by-step explanation:

7 0

3 years ago

2. A machine burns m gallons of oil each hour on weekends and ngallons each hour on weekdays. How many gallons of oil are burned

Lynna [10]

The question says the machine uses up m gallons of oil each hour on weekends.

This means that if the machine works for 24 hours each day, it implies that:

$\text{Total amount of oil used up in a day = 24}\times m=24m$

There are only two days on weekends i.e. Saturday and Sunday.

This means that if the amount of oil used in 1 day in the weekend is 24m, then we can say:

Saturday: oil used is 24m

Sunday: oil used is 24m

Total oil used during the weekend is:

$24m+24m=48m$

4 0

10 months ago

If 2% of a number is 8 what is that number---please explain

aniked [119]

~Hello There!~

Multiplier = 0.02
8/0.02 = 400
The number is 400.

Hope This Helps You!
Good Luck :)
Have A Great Day ^_^

- Hannah ❤

5 0

3 years ago

Read 2 more answers

The difference between two numbers is 9. The first number plus twice the other number is 27.Find the two numbers.

vodka [1.7K]

The numbers are 3 and 12. 12 and 3 have a difference of 9 and 3+12+12=27.

4 0

3 years ago

At Scott's Laundromat, the washing machines accept only quarters and

Y_Kistochka [10]

Answer:

8 quarters and 12 nickles

Step-by-step explanation:

8*25=2.00

12*.05=.60

4 0

3 years ago