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faltersainse [42]
3 years ago
8

Gas prices went up this week from $4.00 a gallon to $4.20. what is the percent increase of the price?

Mathematics
1 answer:
lutik1710 [3]3 years ago
7 0
4.20 divided by 4.00= 1.05
turn decimal into percentage by times 100
1.05 times 100= 105%
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Rob Herndon, an accountant with Southwest Airlines, wants to retire 50% of
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To achieve his goal of paying off $430,000 in 10 years, Rob Herndon needs to make $34,186.97 at 5% compounded annually.

<h3>What is a future value?</h3>

A future value refers to a value on a future date based on an assumed growth rate of interest over time.

The future value can be determined using the FV formula or table.

We can also compute the future value using an online finance calculator as follows:

<h3>Data and Calculations:</h3>

N (# of periods) = 10 years

I/Y (Interest per year) = 5%

PV (Present Value) = $0

FV (Future Value) = $430,000

<u>Results:</u>

PMT = $34,186.97

Sum of all periodic payments = $341,869.70

Total Interest= $88,130.30

Thus, for Rob Herndon to achieve his goal of paying off $430,000 in 10 years, he needs to make $34,186.97 at 5% compounded annually.

Learn more about Calculating Future Values at brainly.com/question/24703884

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3 years ago
Robyn saves up $204 and spends $32.50 on books. She wants to purchase more books from a sale where they cost $8.15 each. Which e
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Step-by-step explanation:

If we assume the no. of books to be x.

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The equation will be

8.15x + 32.5 = 204

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3 years ago
What is the correct answer for this question
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Step-by-step explanation:

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3 years ago
In order for RECT to be a rectangle, what must the value of x be?
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Answer:

x = 21

Step-by-step explanation:

If RECT is a rectangle, each of its interior angles are right angles, 90°. Since ∠RTC is split into two angles, the sum of the two angles must be 90°. (Angles that add to 90° are called complementary angles).

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90 = 2x + 6 + 42                Substitute the angles

90 = 2x + 48               Combined like terms to simplify

Now isolate "x" to solve

90 - 48 = 2x + 48 - 48         Subtract 48 from both sides

42 = 2x

42/2 = 2x/2       Divide both sides by 2

x = 21

Therefore x is 21.

6 0
3 years ago
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