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kipiarov [429]
3 years ago
9

The cost to mail a package is $7 for the first 2 pounds and 30 cents for each additional ounce. Which of the following functions

represents the cost to mail a package if x is the number of ounces over 2 pounds?
Answers:
a) f(x) = 7 + 0.3x
b) f(x) = 14 + 0.3x
c) f(x) = 0.3(x + 2)
Mathematics
1 answer:
SOVA2 [1]3 years ago
5 0
A. f(x) = 7 + 0.3x

Just re-read your question! Hope I helped!
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Answer: 8

Step-by-step explanation:

slope = rise/run

slope = (-7-9)/(-9-(-7)) = -16/-2 = 8

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Answer:

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The longest fingernails ever recorded were 8.650 meters. How long were the fingernails in a feet and inches? ​
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3 years ago
A newspaper advertisement offers a $6500 used car for nothing down and 36 easy monthly payments of
NNADVOKAT [17]

Using simple interest, it is found that:

  • The total amount paid was of $7,084.8.
  • The finance charge was of $584.8.
  • The simple interest rate was of 3%.

<h3>Simple Interest</h3>

Simple interest is used when there is a single compounding per time period.

The amount of interest after t years in is modeled by:

I = Prt

In which:

  • P is the initial amount.
  • r is the interest rate, as a decimal.

In this problem, the amount paid was of 36 monthly payments of

$196.80, hence:

36 x 196.80 = $7084.8.

The total amount paid was of $7,084.8.

The original price is of $6,500, hence the finance charge was of:

7084.8 - 6500 = $584.8.

For interest, we have that:

I = 584.8, P = 6500, t = 3, hence:

I = Prt

584.8 = 6500(3)r

r = \frac{584.8}{6500 \times 3}

r = 0.03

The simple interest rate was of 3%.

More can be learned about simple interest at brainly.com/question/25296782

3 0
2 years ago
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