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masya89 [10]
3 years ago
13

Factor completely: 9(x–1)−(x–1)^2

Mathematics
2 answers:
denis23 [38]3 years ago
4 0

Answer:

=−x2+11x−10

Step-by-step explanation:

Let's simplify step-by-step.

9(x−1)−(x−1)2

Distribute:

=(9)(x)+(9)(−1)+−x2+2x+−1

=9x+−9+−x2+2x+−1

Combine Like Terms:

=9x+−9+−x2+2x+−1

=(−x2)+(9x+2x)+(−9+−1)

=−x2+11x+−10

Law Incorporation [45]3 years ago
3 0

Answer:

(−x+1)(x−10)

Step-by-step explanation:

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Y/3 + 8 = -2 solve for y<br> a. -30<br> b. -18<br> c. 18<br> d. 30
Rainbow [258]

Answer:

\large\boxed{a.\ -30}

Step-by-step explanation:

\dfrac{y}{3}+8=-2\qquad\text{subtract 8 from both sides}\\\\\dfrac{y}{3}+8-8=-2-8\\\\\dfrac{y}{3}=-10\qquad\text{multiply both sides by 3}\\\\3\!\!\!\!\diagup^1\cdot\dfrac{y}{3\!\!\!\!\diagup_1}=(3)(-10)\\\\y=-30

5 0
3 years ago
Can anyone help please?
katen-ka-za [31]

Answer:

  • A'(-3, 12)
  • B'(9, 6)
  • C'(-6, -6)

Step-by-step explanation:

Dilation about the origin multiplies each coordinate value by the dilation factor.

For dilation factor k, the new coordinates are ...

  (x, y) ⇒ (kx, ky)

Your dilation factor is 3, so the transformation is ...

  (x, y) ⇒ (3x, 3y)

  A(-1, 4) ⇒ A'(-3, 12)

  B(3, 2) ⇒ B'(9, 6)

  C(-2, -2) ⇒ C'(-6, -6)

5 0
2 years ago
Which of the following inequalities is not true?
Galina-37 [17]
The answer is C or the third answer choice because the absolute value of nine is equivalent to the absolute value of nine. The meaning of absolute value is the number of places away from zero on the number line, and both 9 and -9 are equal distance from zero.
6 0
3 years ago
Read 2 more answers
PLEASE HELP ME OUT IM FAILING MATH‍♂️ Thx
OleMash [197]

Answer: -1 < x < 1

Step-by-step explanation: Solve for x.

Graph line is down below!

Hope this helps you out! ☺

-Leif-

3 0
3 years ago
3. A teacher made a copy of a map. To make the map easier to see, the teacher enlarged the area of the map by 38%. Let d represe
____ [38]

Answer:

1.38d

Step-by-step explanation:

4 0
2 years ago
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