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hammer [34]
2 years ago
15

Two times the quantity three more than x is nine

Mathematics
1 answer:
Yuki888 [10]2 years ago
8 0

Answer:

X = 1.5 if that is your question

Step-by-step explanation:

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The midpoint of AB is M (-3,-3) if the coordinates of A are (-8,-2)what are the coordinates of B
bearhunter [10]

The coordinates of B would be (2, -4)

In order to find this, we need to know that the value of M's points will always be the average of A and B's points. This is because it is the midpoint. Therefore we can use the following formula.

Value of x

(A + B)/2 = M

(-8 + B)/2 = -3

-8 + B = -6

B = 2

Then we can do the same for the y values

Value of y

(A + B)/2 = M

(-2 + B)/2 = -3

-2 + B = -6

B = 4

7 0
3 years ago
9. Aaron has a lemonade business. If he sells each glass of lemonade for $2.75, and he sold 11
marin [14]

Answer:

$27.75

Step-by-step explanation:

Multiply $2.25 by 11 to get the answer

4 0
3 years ago
Read 2 more answers
(Picture) MULTIPLYING POLYNOMIALS AND SIMPLIFYING EXPRESSIONS PLEASE HELP!!!!
Mrrafil [7]

Answer:

  • -32x² +8x -8
  • See below about the process

Step-by-step explanation:

The simplified expression is ...

  3x(x -12x) +3x² -2(x -2)²

  = 3x(-11x) +3x² -2(x² -4x +4) . . . . . simplify contents of parentheses

  = -33x² +3x² -2x² +8x -8 . . . . . . . .eliminate parentheses

  = (-33 +3 -2)x² +8x -8 . . . . . . . . . . group the coefficients of like terms

  = -32x² +8x -8

8 0
3 years ago
Read 2 more answers
Quadratics Help please?
irakobra [83]
(x-3)^2 + (x+5)^2=9^2
(x^2-6x+9) + (x^2+10x+25)=81
2x^2+4x+34=81
2x^2+4x-47=0
From here just use quadratic formula
5 0
3 years ago
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What is the slope of the line represented y= 5x -7​
Wittaler [7]

The slope is 5. This is because the coefficient of x is the slope of a line.

7 0
3 years ago
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