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grandymaker [24]
3 years ago
12

I need help for grades!!!

Mathematics
1 answer:
irina1246 [14]3 years ago
5 0

Yes, the relation shown is a function because every element in the domain has only one distinct image in the co-domain.

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In 5 years' time, Kate's father will be 3 times as old as Kate. Four years ago, her father
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Answer: Kate = 40/3  Her father = 50

Step-by-step explanation:

Let Kate's age in the present be K

And Kate's father's age in the present be F

3(K+5) = F+5

6(K-6) = F-6

Rearrange the first equation to get

3K+15 = F+5

3K+10 = F

Substitute that into the second question

6K-36 = 3K+10-6

3K = 40

K = 40/3

So F = 3*40/3+10 = 50

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Identify the second step when evaluating the expression: 81 + 3 - 9 + 6 /19?
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