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Nady [450]
3 years ago
14

Solve each proportions:

Mathematics
2 answers:
STatiana [176]3 years ago
8 0

Answer:

a= 17.5 r= 6 2/9 b=4 2/7

Step-by-step explanation:

Please give brainliest

Molodets [167]3 years ago
5 0

Answer:

1) 17.5

Step-by-step explanation:

1) 7/2 = a/5. Remember doing the cross multiplication... here is how you do it. 7          a

–    =   —

2         5

cross multiply 7*5=2*a

35=2a divide two each side

a = 17.5

Now, try it on your own for 2 and 3

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EleoNora [17]
Dividing the first equation by 2
X + 2y = 12
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subtracting both equations
4x = 16
X = 4
Also 4 + 2y = 12
2y = 8
Y = 4
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3 years ago
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asambeis [7]

Answer:

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Step-by-step explanation:

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