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Inga [223]
3 years ago
14

What value of x is in the solution set of 3(x – 4) ≥ 5x + 2?

Mathematics
2 answers:
Aleks04 [339]3 years ago
9 0
3(x-4)>5x+2

3x-12>5x+2

Subtract 2

3x -10 > 5x

Subtract 3x

2x -10

divide 2

x=-5
Agata [3.3K]3 years ago
5 0

Answer:

Step-by-step explanation:

B) -5

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Solve by using elimination. Express your answer as an Ordered pair (-x +2y=3 3x-2y=7
MAVERICK [17]

Answer:

(5,4)

Step-by-step explanation:

-x+2y=3

3x-2y=7

Add the like terms( 2y and -2y)(-x and 3x)(3 and 7) together. Do this vertically. 2y and -2y cancel eachother out.

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Divide both sides by 2

  • <u>x=5</u>

To find y, substitute x in for y in one of the equations

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add 5 to both sides

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Divide both sides by 2

  • <u>y=4</u>

Check:

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4 0
3 years ago
Point B is a point of tangency. Find the radius r of OC.<br> А 9<br> B<br> r<br> n
insens350 [35]

Answer:

Radius, r, is 3.75

Step-by-step explanation:

From the given diagram,

AB = 9

AC = 6 + r

BC = r

Thus applying the Pythagoras theorem, we have;

/AC/^{2} = /AB/^{2} + /BC/^{2}

(6 + r)^{2} = 9^{2} + r^{2}

36 + 12r + r^{2} = 81 + r^{2}

collecting like terms,

12r = 81 - 36

12r = 45

r = \frac{25}{12}

   = 3.75

r = 3.75

The radius is 3.75.

3 0
2 years ago
How to write out $103,716.68
Degger [83]
One hundred three thousand seven hundred sixteen dollars and sixty eight cents
8 0
3 years ago
Give that the triangles shown below are similar, what is the value of x
Dima020 [189]

X=14 because it is half of 28

Hope this helps

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