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kap26 [50]
3 years ago
6

Is x = 3 a solution to the equation below? (substitute and check if they equal each other)

Mathematics
1 answer:
klio [65]3 years ago
5 0

Answer:

yes

Step-by-step explanation:

2(2(3)+1) + 3= 8(3)+2-3(3)

14+3=24+2-9

17=17

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max rode his bike at a rate of 12 miles per hour . what is this rate in miles ? how many miles in 10 minutes ?
Tasya [4]

The question may be answered easily by first determining how far we would ride the bike in 1 hour. Riding the bike 12 mph (miles per hour) for one hour, we would ride the bike 12 miles.

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Add comment

Answer:

Step-by-step explanation:

in 6 grade and i did this :D

8 0
3 years ago
Write the four steps for using the linear combination method to solve a system of equations.
krok68 [10]

Answer:

Step-by-step explanation:

The four steps of linear combination method are

1) Rearrange like terms such that they are in the same column.

2) The next step is to decide on which variable you want to eliminate and multiply each row with suitable numbers that would make the coefficient of the variable to be equal and opposite.

3) Add both rows and solve for the other unknown variable.

4) substitute the known variable into any of the equations and solve for the other variable.

4x + 2y = 5

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We would eliminate x by adding both equations. It becomes

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x = 13/4 = 3.25

7 0
3 years ago
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