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3 years ago

Plz help will be marked brillent 5 stars and thanks !!!!

Mathematics

2 answers:

Goryan [66]3 years ago

8 0

Question 2: the answer is 12c-49

Pavel [41]3 years ago

6 0

The answer is 25!
3 times 7 = 21 + 4 = 25

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12. Carmen multiplied a non-zero rational number by its additive inverse. Which statement about the product must be true?

nignag [31]

Answer:

Option C. The product was negative.

Step-by-step explanation:

Let the non-zero rational number is = $\frac{x}{y}$

So, its additive inverse = $-\frac{x}{y}$

The result of multiplication the non-zero rational number by its additive inverse = $\frac{x}{y} *-\frac{x}{y} =-\frac{x^2}{y^2}$

We will check the options:

A. The product was the multiplicative inverse of the original number.

Wrong because the product = $\frac{x}{y} *-\frac{x}{y} =-\frac{x^2}{y^2}$

B. The product was the additive inverse of the original number.

Wrong because the product = $\frac{x}{y} *-\frac{x}{y} =-\frac{x^2}{y^2}$

C. The product was negative.

True

D. The product was positive.

Wrong because the product was negative.

So, the answer is option C.

6 0

3 years ago

What are the zeros of the function f(x) = x2 + 5x + 5 written in simplest form

kozerog [31]

Answer:

7+5x

Step-by-step explanation:

2+5

+5x

you need to add them to get 7 then just add the 5x

4 0

3 years ago

How do you do this this a fraction?

ludmilkaskok [199]

Answer:

negative 4

hope this helps :)

4 0

3 years ago

Mark paid $8.54 for pizza. He now has $17.75. How much money did he have before buying the pizza.

defon

Answer:

Mark had $26.29 before buying the pizza.

Step-by-step explanation:

$8.54 + $17.75 = $26.29

3 0

3 years ago

Read 2 more answers

This graph displays a linear function. What is the rate of change?

Norma-Jean [14]

Rate of change = 5

Im positive this is the correct answer

6 0

3 years ago