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alexandr1967 [171]
2 years ago
12

-6.5 = z/3 I’m sooo confused.

Mathematics
2 answers:
OLEGan [10]2 years ago
5 0

Answer: z = -19.5

Step-by-step explanation:

-6.5 = z/3

-19.5 = z                     Multiply 3 to both sides

insens350 [35]2 years ago
4 0

Answer:

z= -19.5

Step-by-step explanation:

To get the z by itself, we need to multiply the 3 out, so it's like this: -6.5*3=z

z= -6.5*3

z= -19.5

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If EF=2x-12, FG= 3x-15, and EG=23, find values of x, EF, and FG
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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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8 0
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