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mestny [16]
3 years ago
14

Evaluate the expression: 6x + 5 - 3y, when y = 3 and x = -2

Mathematics
1 answer:
Irina-Kira [14]3 years ago
4 0
6x+5-3y
Replace for x and y;
6(-2)+5-3(3)
=-12+5-9
=-12-9+5
=-21+5
=-16
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1.6022x 10-19 round three decimal places
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Answer:

1.6022x 10-19

Step-by-step explanation:

1.6022x 10-19 then simplifies into 16.022 because of the 10, and then the final answer is -2.978

6 0
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PLEASE HELP ME!
elena55 [62]

Answer:

hello :

f(x) = -x+0.25

g(x) = x²+3x+2

ــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــ

f(-3.5) = 3.75

g(-3.5) = 3.75

ـــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــ

f(-0.5) =0.75

g(-0.5) = 0.75

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conclusion : answer : A) x = −3.5 and x = −0.5 

Step-by-step explanation:

Hope this helps:)

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