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Step2247 [10]
4 years ago
13

On Serena’s tenth birthday her mom was 3 tines Serena’s age.how old will Serena and her mom be when her Moms age 0.5 will equal

Serena’s age
Mathematics
1 answer:
Lostsunrise [7]4 years ago
8 0
Mom is 30 years old when Serena is 10 because 10 x 3 = 30.
They are 20 years apart. [This is key]
Half (.5) of mom's age will be = to Serena's age.

Therefore, when mom is 40 years old, Serena is 20 years old.
We can see that half of 40 = 20. 

Hope this makes sense! 

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Step-by-step explanation:

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6 0
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Read 2 more answers
2/7x-23)+5x = 18 (x-1)​
Blizzard [7]

Answer:

x= - 35 over 89

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

2

7

x−23+5x=18(x−1)

2

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x+−23+5x=(18)(x)+(18)(−1)(Distribute)

2

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x+−23+5x=18x+−18

(

2

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x+5x)+(−23)=18x−18(Combine Like Terms)

37

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x+−23=18x−1837

7

x−23=18x−18

Step 2: Subtract 18x from both sides.

37

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x−23−18x=18x−18−18x

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x−23=−18

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)*(

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x)=(

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Step-by-step explanation:

6 0
3 years ago
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Answer:

12

Step-by-step explanation:

4 0
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