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alina1380 [7]
2 years ago
6

Help? If im given the option ill give you brainliest!

Mathematics
1 answer:
kari74 [83]2 years ago
8 0

Answer:

Look at photo for answer, I have not done a piecewise function for a long time... so double check my work.

Step-by-step explanation:

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5x + 2(x + 7) = 14x – 7.i will mark brainliest
Temka [501]

Answer:

5x +2x+14 =14x-7

7x+14=14x-7

14+7=14x-7x

21 divide bye 7=7x divide bye 7

3=x

Step-by-step explanation:

3 0
3 years ago
Solve 10(1 + 3b) = −20, justifying each step with an algebraic property.
Delicious77 [7]
The correct answer is B = -1

10(1 + 3B) = -20

10 + 30B = -20

-20 - 10 = -30

30B = -30

B = -1


Hope this helps :)
4 0
3 years ago
Y = 5x + 7<br> 2x + y = -5<br> Are the equations parallel,<br> perpendicular, or neither?
Nezavi [6.7K]

Lines are neither perpendicular nor parallel.

Step-by-step explanation:

Step 1:

In equation 1, Y = 5X + 7

In equation 2,  Y = -2X -5

Step 2:

Slope Intercept form Y =mX +c

Where m = Slope

Slope of line 1 = 5

Slope of line 2 = -2

m1  is not equal to m2. Hence it is not parallel.

m1  × m2 is not equal to -1. Hence they are not perpendicular.

3 0
4 years ago
Who could help me with this please and thank you
kkurt [141]

Answer:

Step-by-step explanation:

let the number be x

so according to the question ur equation is

4x=5<x^2

4x-5=x^2

4-5=x^2/x

-1=x

4 0
4 years ago
3x^2+24x+9=0 in vertex form (completing the square)
Drupady [299]

Answer:

I tried everything and either I'm doing it wrong or you wrote this wrong

Step-by-step explanation:

6 0
3 years ago
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