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Marta_Voda [28]
3 years ago
7

If x=3 calculate the value of x3-x

Mathematics
2 answers:
Dmitrij [34]3 years ago
6 0
x^3-x=3^3-3= \\\\ =27-3= \\\\ =\boxed{24}
Nikolay [14]3 years ago
3 0
........................................................3*3-3...................................................................
9-3
6
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Simplify -2+5(2+6r)<br><br> I’ll mark brainlist
Dmitriy789 [7]

Answer:

10+30r

Step-by-step explanation:

-2+5(2+6r)

expand 5(2+6r)

5x2=10

(6r)x(5)=30r

so it is 10+30r

then add that to -2

8+30r

Hope that helps :)

6 0
3 years ago
Which ordered pair is the solution to the system of linear equations y=-7X+2 and y = 9%-14?
Dmitriy789 [7]

Answer:

y = -7x + 2

y = 9x - 14

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16 = 16x

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2 years ago
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vredina [299]

Answer:

You can put this equation into point slope formula which is…

y-y1= m(x-x1)

Whilst m is slope
x1 and y1 (x1, y,1)

So in this case lets find the slope first.
Slope is calculated by y2-y1/ x2-x1
Can be any point.

7-(-1) / 1-(-3)
Which is
2

Slope is 2

So plug it in.

y-(-1)= 2(x-(-3)

Solve
y+1= 2x+6
isolate y

Y=2x+5
Your equation is y=2x+5


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