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Maksim231197 [3]

3 years ago

11

What is a correct first step in solving the inequality –4(3 – 5x)≥ –6x + 9?

2 answers:

Bumek [7]3 years ago

7 0

The first thing you would need to know is PEMDAS. Also stands for parenthesis, exponents, multiplication, division, addition and subtraction.
This shows the order you should follow when solving problems like these.

This problem states that the first thing that you would look for is parenthesis. There are parenthesis in this statement, but there's a number before the parenthesis. In this case, your first step would be to take -4(3) - -4(-5x)
The first step is using distributive property to -4(3-5x) to get
-4(3) - (-4)-5x

xenn [34]3 years ago

7 0

Answer:

The Correct answer is

12+20x ≥-6x+9

Step-by-step explanation:

You have to distribute

HOPE THIS HELPS:)

STAY SAFE

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What is a factor of X2–9 X +14

Taya2010 [7]

The factors of the expression x^2 - 9x + 14 are (x - 7) and (x - 2)

<h3>How to factor the expression?</h3>

The expression is given as:

x^2 - 9x + 14

Expand

x^2 - 2x - 7x + 14

Factorize the expression

x(x - 2) - 7(x - 2)

Factor out x - 2 from the expression

(x - 7)(x - 2)'

Hence, the factorized expression of x^2 - 9x + 14 is (x - 7)(x - 2)'

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Dafna11 [192]

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5 0

2 years ago

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Tina__________ 4 by_____________ to get 16 and 9 by____________ to get 81. She should have multiplied each term by__________ num

andrew11 [14]

Answer:

multiplied 4

9 the same

Step-by-step explanation:

Tina multiplied 4 by 4 to get 16, and 9 by 9 to get 81. she should have multiplied each term by the same number.

7 0

2 years ago

The marked price of a phone is $160. If a 30% discount is being offered, what is the discounted price of the phone?

Luda [366]

112
160 divided by 10 equals 16
16 x 3 =48
160- 48= 112
That should be right.

3 0

3 years ago

Samantha sends her son, Barry, to a preschool center on certain days. The cost of preschool is $45 per day along with a fixed mo

Travka [436]

Answer: Option D

D. $880 = 45d + 70$ ; $18\ days$

Step-by-step explanation:

We know that the cost of preschool is $ 45 per day plus a monthly fee of $ 70.

We also know that a total of $ 880 was paid last month

To write an equation that represents this situation, let us call "d" the number of days that Barry attends school

So the cost was:

$45d + 70 = 880$

Now we solve the equation for the variable d

$45d= 880-70$

$d= \frac{810}{45}$

$d= 18\ days$

Therefore answer is the option D

8 0

3 years ago