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nexus9112 [7]
2 years ago
14

Merideth's brother, Miles, is 3 years younger than twice her age. The sum of their ages is 24. Create an equation to determine t

heir ages. How old are they?
Mathematics
1 answer:
Sidana [21]2 years ago
5 0
Lets use O to represent Merideth's age and X to represent Miles's age, 
So what do we know? we know that miles is 3 years younger than twice merideth's age so 2(O)=X+3  and we also know that the sum of their ages is 24 O+X=24 using these equations we can input values until we find the values that work so if miles is 15 and meridith is 9 than 2(9)=15+3.   18=18
9+15=24 these values work for both equations so merideth is 9 and miles is 15
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2 years ago
Read 2 more answers
If anyone could help answer this question that would be great.
lys-0071 [83]
I believe the answer is 64
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3 0
3 years ago
One number is 12 more than another number. If one half of the smaller number equals one third of the larger number, what is the
NikAS [45]

Answer:

x=24

y=36

Step-by-step explanation:

x=smaller number

y=larger number

x+12=y         x/2=y/3

                   x/2=(x+12)/3

cross multiply and distribute

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24+12=y

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5 0
3 years ago
How to do this question plz ​
enyata [817]

Answer:

  x = 10

Step-by-step explanation:

Use the Pythagorean theorem. The sum of the square of the sides is the square of the hypotenuse.

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  x² = 300 -200

  x = √100 = 10

The length of the unknown side is 10 units.

3 0
3 years ago
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