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3 years ago

Help me find the value of X in both of them

Mathematics

1 answer:

lord [1]3 years ago

4 0

Answer:

x = 12 , x = 21

Step-by-step explanation:

If you have any questions about the way I solved it, don't hesitate to ask!!!!

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Please help or i’m gonna fail my first simester class

Alisiya [41]

Answer:

18 is b I think..........

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3 years ago

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Solve 7 ( x + 1 ) + 2 = 5x + 15

yawa3891 [41]

Answer:

x = 3

Step-by-step explanation:

7(x + 1) + 2 = 5x + 15

~Simplify left side

7x + 7 + 2 = 5x + 15

~Combine like terms

7x + 9 = 5x + 15

~Subtract 9 to both sides

7x = 5x + 6

~Subtract 5x to both sides

2x = 6

~Divide 2 to both sides

x = 3

Best of Luck!

5 0

2 years ago

In a race, the mean time for three runners was 12.4 seconds and the mean

Ne4ueva [31]

Answer:

11.8

Step-by-step explanation:

3(12.4) + 6(11.5) = 37.2 + 69 = 106.2

106.2/9 = 11.8

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3 years ago

Mr. Cantu opened an account with a deposit of $2,000.

shepuryov [24]

Answer:

8.25% is the interest rate on this account

6 0

3 years ago

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Mark jogged 3 5/7 km. His sister jogged 2 4/5 km. How much farther did Mark jog than his sister?

NeTakaya

Step-by-step explanation:

so therefore mark jogged 2 36/70km more than his sister

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2 years ago