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elena-14-01-66 [18.8K]
3 years ago
15

How to answer these questions ?

Mathematics
1 answer:
3241004551 [841]3 years ago
6 0
I don’t how to answer question
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Which of the following ordered pairs does not represent a dependent relationship?
cricket20 [7]

It is D, not here because they are all dependent.
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If EF=2x-12, FG= 3x-15, and EG=23, find values of x, EF, and FG
velikii [3]

we have that


*-------------------------*--------------------------------*

E                            F                                     G


EF=2x-12

FG= 3x-15

EG=23


we know that


EF + FG = EG


so

[2x - 12] + [3x - 15] = 23 simplify

5x - 27 = 23 add 27 to both sides

5x = 50 divide both sides by 5

x = 10

EF=2x-12-------> EF=2*10-12-------> EF=8

FG= 3x-15------> FG=3*10-15------> FG=15



therefore


the answer part a) is

the value of x is 10


the answer part b) is

the value of EF is 8


the answer part c) is

the value of FG is 15

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Nina [5.8K]

Answer:

true, false, true

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