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3 years ago

5 Carla packs 4 pairs of pants, 2 pairs of shorts, and 3 skirts for her vacation.

Mathematics

1 answer:

lyudmila [28]3 years ago

8 0

Answer: D

Step-by-step explanation:

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Which is the product of (x^2- x + 9)(x – 3)?

DerKrebs [107]

9514 1404 393

Answer:

x^3 -4x^2 +12x -27

Step-by-step explanation:

Use the distributive property.

= (x^2 -x +9)(x) +(x^2 -x +9)(-3)

= x^3 -x^2 +9x -3x^2 +3x -27

= x^3 -4x^2 +12x -27 . . . . . collect terms

8 0

3 years ago

What expression is equivalent to 2(a - 3)

Vika [28.1K]

Answer:

3(a-2)

Explanation:

It is equivalent because it uses the same numbers, giving it the same solution.

(However, a could not be outside the parentheses and it still be equivalent.

8 0

3 years ago

For the following system if you isolated X in the second equation to use the substitution method what expression would you subst

Anestetic [448]

Option A. зу + 12 is the right answer

Step-by-step explanation:

The substitution method consists of finding the value of a variable from one equation and then putting it into another equation to find the value of other variable.

Given equations are:

$2x+y=8\\-x-3y=-12$

We have to isolate x in the 2nd equation

$-x-3y=-12$

Multiplying equation by -1

$x+3y=12$

Subtracting 3y from both sides

$x+3y-3y=12+3y\\x=12+3y$

Hence,

Option A. зу + 12 is the right answer

Keywords: linear equations, Variables

Learn more about linear equations at:

#LearnwithBrainly

4 0

3 years ago

Find the value of x from this question

qaws [65]

Answer:

45 degrees

Method: Parallel

8 0

3 years ago

Read 2 more answers

What is the measurement of angle 1?<br> please help

galben [10]

Answer:

∠ 1 = 63°

Step-by-step explanation:

∠ 1 and 117° are adjacent angles and sum to 180° , that is

∠ 1 + 117° = 180° ( subtract 117° from both sides )

∠ 1 = 63°

8 0

3 years ago