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zavuch27 [327]
3 years ago
13

Find the value of x. F belongs to DG PLEASE NEED ANSWER ASAP!

Mathematics
1 answer:
postnew [5]3 years ago
4 0

Answer:

x = 34

Step-by-step explanation:

F = 180 - (90 + 42)

F = 48

2x + 64 + 48 = 180

2x = 180 - 64 - 48

2x = 68

x = 68/2

x = 34

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Step-by-step explanation:

we know that

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4 years ago
I need help with substitution​
Neporo4naja [7]

Answer:

(-7,-15)

Step-by-step explanation:

We can substitute first y in the second y. Both equations are also functions. We can merge the equations.

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Substitute x = -7 in any given equations. I will choose the second equation to substitute in.

y = x - 8 \\ y =  - 7 - 8 \\ y =  - 15

<u>Answer</u><u> </u><u>Check</u>

Substitute both x and y in both equations.

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The second equation is true for (-7,-15).

Therefore our answer is (-7,-15)

6 0
3 years ago
Read 2 more answers
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