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dem82 [27]
4 years ago
7

How do u do equations

Mathematics
2 answers:
Kipish [7]4 years ago
7 0
You need to use a equal sign with the variable and a normal number like 5x=10
Which 2 is x so 5x=10 is multiplication so
6-x=4 is subtracting hope that helps you understand more
guajiro [1.7K]4 years ago
3 0
Equations are solved by brains and your knowledge on math
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6/8 bigger or less than 1/2
soldi70 [24.7K]

Answer:

6/8 is greater than 1/2

Step-by-step explanation:

6 is over half of 8, its 3/4 of 8

7 0
3 years ago
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How much cream that is 30% butterfat must be mixed with milk that is 3% butterfat to make 45 gal of cream that is 12% butterfat?
pochemuha

Answer:

15 gallons

Step-by-step explanation:

If x is the gallons of 30% butterfat cream, and y is the gallons of 3% butterfat milk, then:

x + y = 45

0.30 x + 0.03 y = 0.12 (45)

Solve the system of equations with substitution or elimination.  Using substitution:

0.30 x + 0.03 (45 − x) = 0.12 (45)

0.30 x + 1.35 − 0.03 x = 5.4

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x = 15

You need 15 gallons of 30% butterfat cream.

5 0
3 years ago
A rocket is launched from the top of a 76-foot cliff with an initial velocity of 135 ft/s.a. Substitute the values into the vert
mixas84 [53]
You divide -16 by 76 and then mutiply your answer by the  number you got
3 0
4 years ago
Read 2 more answers
I need help? Show ur work.
viva [34]
He finished the job at 1:15 P.M.

5 0
3 years ago
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Answer:

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If you add up all of the answers, it equals 101 due to the fact of just adding all of the x's together in a row.

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