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worty [1.4K]
3 years ago
13

Only need help with #'s 10, 12, 14, 16

Mathematics
1 answer:
gregori [183]3 years ago
7 0
Im just about to work one out for you and you just do the same on the rest






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Answer:

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Let us say that:

K = age of Kristen

B = age of Ben

 

From the problem, we make the equations:

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eqtn 2: (K – 4) = 2 (B – 4)

 

Simplifying eqtn 2:

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Plugging in this to eqtn 2:

(2 B – 4) + B = 32

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B = 12

 

From eqtn 2:

K = 2 B – 4 = 2 (12) – 4 = 20

 

So Kristen is 20 while Ben is 12.

5 0
3 years ago
Homework Progress<br>107 / 285<br>A sequence has three terms.<br>Its term-to-term rule is<br>multiply by 6 and then add 13<br>a)
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Help pls and thank you :)
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