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Likurg_2 [28]
2 years ago
13

Which are correct representations of the inequality –3(2x – 5) < 5(2 – x)? Select two options.

Mathematics
1 answer:
avanturin [10]2 years ago
5 0

The correct simplified inequality is - 6x + 15 < 10 - 5x and the number line representation is "an open circle is at 5 and a bold line starts at 5 and is pointing to the right".

The given inequality is -3(2x - 5) < 5(2 - x)

We need to simplify the inequality.

<h3>What is inequality?</h3>

In mathematics, inequality is a statement of an order relationship greater than, greater than or equal to, less than, or less than or equal to between two numbers or algebraic expressions.

Consider LHS and simplify -3(2x - 5) = -3(2x)-5(-3)

⇒ -3(2x - 5) = - 6x + 15 [∵(-)(-) = (+)]

Consider RHS and simplify 5(2 - x) = 5(2) + 5(-x)

⇒5(2 - x) = 10 - 5x [∵(+)(-) = (-)]

Now, - 6x + 15 < 10 - 5x

By subtracting 15 from both sides, we get

- 6x < -5 - 5x

By adding 5x to both sides, we get - x < - 5

The coefficient of x is -1. So, divide both sides by -1

Then we get x > 5

Hence, the correct simplified inequality is - 6x + 15 < 10 - 5x and the number line representation is "an open circle is at 5 and a bold line starts at 5 and is pointing to the right".

To learn more about inequalities visit:

brainly.com/question/20383699.

#SPJ1

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I need help on this question.
Sidana [21]

Answer:

18

Step-by-step explanation:

60% of 50 is 0.60x50=30

40% of 30 is 0.40x30=12

30-12=18

<u>So 60% of 50 is 18 greater than 40% of 30.</u>

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Step-by-step explanation:

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3 years ago
Which expressions are equivalent to x + 2y + x + 2 ? Choose all answers that apply:
Inga [223]

Answer:

A

2(x+y+1)

Step-by-step explanation:

x + 2y + x + 2

= 2x + 2y + 2

= 2(x + y + 1)

Answer:

A

2(x+y+1)

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3 years ago
Is 21/23 bigger or smaller than 29/32
AlekseyPX
Think of a pie, if you cut it into 32 pieces the pieces would have to be small, and it you cut it into 23 pieces then the pieces would be bigger than the one cut I to 32 pieces. So 21/23 is bigger than 29/32
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Amena created this stem and leaf plot to show the test scores for students in her math class.
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Step-by-step explanation:

4 0
4 years ago
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