3 years ago

Compare and contrast division of integers to division of rational expressions.

1 answer:

6 0

Division of integers is similar to the division of rational expressions because they eventually become fractions and then may or may not be simplified further.

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If 15 pen cost $3.90, which equation would help determine the cost of 6 pens?

madreJ [45]

Answer

1.56

Step-by-step explanation:

You must find the unit rate. To do so, you must divide 3.90 by 15. That will give you 0.26. After, times 6 and .26 to get your answer. Hope this helps.

8 0

3 years ago

PLEASE HELP! Given the function f(x) = 3x2 − 4, what is f(-2)?

EleoNora [17]

Answer: Variant C

Step-by-step explanation:

f(x) = 3x^2 − 4

For finding f(-2) just replace x with - 2 like this:

f(-2)=3*((-2))^2-4=3*4-4=12-4=8

5 0

4 years ago

eight less than four times a number is twelve. what is the number? the options are, 5 , 1 , -3 , -5 , please i need a answer asa