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2 years ago

What's |5| + |–7|?

2 answers:

7 0

The absolute value returns the "positive version" of a number. This means that if the number is already positive, it does nothing. Otherwise, it gets rid of the negative sign.

So, you have

$|5|=5,\quad |-7|=7$

and thus

$|5|+|-7|=5+7=12$

Marizza181 [45]2 years ago

4 0

Answer:

C) 12

Step-by-step explanation:

Absolute value always means it is the positive version of the number

This switches -7 to 7 and 5 stays the same.

5 + 7 = 12

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I need help it is confusing?????

algol [13]

Answer:

1. 7

2. 15

3. 181

Step-by-step explanation:

Just make sure that you make your denominator a whole number

1. 9.8/1.4....,you multiply by 10...which only removes the comma but it keeps the structure of the question

Always remember that what you do to the denominator...you also do to the numerator

: 9.8/1.4 × 10/10 = 98/14 = 7

2. 40.5/2.7....,you multiply by 10

: 40.5/2.7 × 10/10 = 405/27 = 15

3. 3.62/0.02...., you multiply by 100

: 3.62/0.02 × 100/100 = 362/2 = 181

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How to do splitting method of x square- 2x -8

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Answer:

Hey mate

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2 years ago

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When deriving the quadratic formula by completing the square, what expression can be added to both sides of the equation to crea

nignag [31]

The expression that would be added to both sides is (b/2a)^2

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

The equation is given as:

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Take the coefficient of x

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Divide by 2

b/2a

Square the expression

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Hence, the expression that would be added to both sides is (b/2a)^2

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2. Multiplicative inverse

3. Associative property of addition

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Vanyuwa [196]

The graph that represents the inequality has been shown in the attachment.

<h3>How to solve for the graph</h3>

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y ≤ −3x + 1

y ≤ x + 3

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y = −3x + 1

y = x + 3

−3x + 1 = x + 3

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x = -0.5

we use this value for x in any of the equations

x + 3 = -0.5 + 3

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we test for the origin. 0,0

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