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Aneli [31]
3 years ago
11

The sum of John’s and Matt’s ages is 42. The difference of their ages is 6. If Matt is older than John, what are their ages? Mat

t is 16 and John is 20. Matt is 30 and John is 14. Matt is 24 and John is 18.
Mathematics
2 answers:
NNADVOKAT [17]3 years ago
6 0
42-6=36
Now we divide this by two to make it equal
36÷2=18
Since John is younger, he is 18 years old
and Matt is 18+6=24 years old..
There you are all done.. ask me if you need any help understanding this!!
jasenka [17]3 years ago
3 0
Matt is 24 and John is 18. 24 - 18 is 6. And 24 + 18 would equal 42.
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What is the ratio 18:24 in its simplest form
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3:4

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How long is the brace that connects points B and D?<br><br> 8 cm<br> 16 cm<br> 30 cm<br> 60 cm
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Step-by-step explanation:

5 0
3 years ago
Solve the system of equations.<br> – 9y + 4x – 11 = 0<br> - 3y + 10x + 31 = 0
Kruka [31]

value of x =-4 and value of y=-3

(-4,-3) is the solution of system of equations.

Step-by-step explanation:

We need to solve the system of equations

-9y + 4x-11 = 0- 3y + 10x + 31 = 0

Rearranging:

-9y + 4x = 11\,\,\,eq(1)\\- 3y + 10x=- 31 = 0\,\,\,eq(2)

Multiply eq(2) with 3 and subtract eq(2) from eq(1)

-9y + 4x = 11\\-9y+30x=-93\\+\,\,\,\,\,\,-\,\,\,\,\,\,\,\,\,\,\,\,+\\----------\\-26x=104\\x=\frac{104}{-26}\\x=-4

Putting value of x = -4 into eq(1)

-9y + 4x = 11\\-9y+4(-4)=11\\-9y-16=11\\-9y=11+16\\-9y=27\\y=\frac{27}{-9}\\y=-3

So, value of x =-4 and value of y=-3

(-4,-3) is the solution of system of equations.

Keywords: system of equations.

Learn more about system of equations at:

  • brainly.com/question/6075514
  • brainly.com/question/7490805
  • brainly.com/question/13168205

#learnwithBrainly

5 0
3 years ago
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