3 years ago

Please help number 6 need it for hw

Mathematics

1 answer:

aalyn [17]3 years ago

7 0

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Find each of the numbers below. Simplify your answers as much as possible.

puteri [66]

Answer:

a. 4

b. -8

c. -2

Step-by-step explanation:

Take any number x;

Its opposite is -x

The opposite of its opposite is x

Using the above statements, we can solve the following questions

Solving (a): -4

In this case:

$x = -4$

The opposite; -x is

$-x = -(-4)$

$-x = 4$

Solving (b): 8

In this case:

$x = 8$

The opposite; -x is

$-x = -8$

Solving (c): -2

In this case:

$x = -2$

The opposite; -x is

$-x = -(-2)$

$-x = 2$

The opposite; -(-x) is

$-(-x) = -2$

$x = -2$

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2 years ago

What are the coefficients in this expression? 2x +9y+(-4) Select all that apply.

zalisa [80]

A) 2 and B) 9
Coefficients are the numbers in front of a variable. The x and y wouldn’t be considered coefficients.

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When f(x)=-3, what is x?

Anna35 [415]

Answer:

Step-by-step explanation:

For example, if f(x) = 2x + 7

then f(-3) = 2(-3) + 7

f(-3) = 1

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3 years ago

Ratio of 15 days over 3 jobs

Ann [662]

You need to divide the two numbers. 15/3 = 5

For every 5 days you do 1 job

5:1

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The scale factor is 1/2 or a half

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