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Mathematics, 17.12.2020 15:50 2022maldonadoleonel

PLZ HURRY IT'S URGENT 1. Translate: the sum of a number and two is twice the number.

options:

n+2=2

n+2=2n

2n=2

2n+2=2

2. Which number is irrational?

options:

0.19

13

49‾‾‾√

8‾√

3. Consider the sequence of steps to solve the equation10(x−3)=7x.

Step 1⇒ 10(x−3)=7x
Step 2⇒ 10x−30=7x
Step 3⇒ 3x−30=0
Step 4⇒ 3x=30
Step 5⇒x=10
Identify the property of equality which yields Step 4. In other words, how do you get from Step 3 to Step 4?

options:

Addition Property of Equality

Subtraction Property of Equality

Multiplication Property of Equality

Division Property of Equality

4. For the function f(x) = 12 – 5x, evaluate f(–3).

options:

27

-3

-27

3

5. June Bug opens a savings account with $160 and adds $40 per week. April Dew opens a savings account with $380 and adds $20 per week. After how many weeks will they have the same amount saved?

options:

They will have the same amount after 10 weeks.

They will have the same amount after 11 weeks.

They will have the same amount after 12 weeks.

They will have the same amount after 13 weeks.

6. Which of these is NOT a way to describe the slope of a line?

options:

rise over run

run over rise

the steepness of a line

the rate of change

ansver
Answers: 3

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PLZ HURRY IT'S URGENT 1. Translate: the sum of a number and two is twice the number.

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