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satela [25.4K]
2 years ago
8

Which expression is equivalent to 1/2 (13f+5)?

Mathematics
1 answer:
jeka942 years ago
4 0
The answer is B. 6.5f+2.5 because 13/2 is 6.5 and 5/2 is 2.5
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Thomas received $50 for his birthday. A week later, Thomas spent $20 of his birthday money on a game. How much birthday money re
SVEN [57.7K]

Answer:

There would be $30 left after he buys the game.

Step-by-step explanation:

To find this, subtract the amount he spent from the amount that he had.

$50 - $20 = $30.

7 0
3 years ago
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In his free time, Gary spends 14 hours per week on the Internet and 12 hours per week playing video games. If Gary has five hour
stepan [7]

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A.) 52%

Step-by-step explanation:

14+12=26

26/5=5.2

you now have 5.2, then you take the decimal and move it over to make a percentage.

6 0
4 years ago
Suppose Miss Roxanne Davenport is 25 years old right now and puts away $1,800 per quarter in an account that returns 6% interest
Lena [83]

We have been given that miss Roxanne is 25 years old and she puts 1800 dollars per quarter that returns 6% interest.

(a) We need to figure out how much will be in the account when she turns 65 years old. When she turns 65 years old, the number of years during which she made deposits would be 40. Since she made quarterly deposits. She made a total of 160 deposits. We can now figure out the final amount in the account using future value of annuity formula.

A=P\frac{(1+r)^{n}-1}{r}

We have the values P=1800, r=6/4% = 1.5% = 0.015 and n=160.

Therefore, the amount in the account would be:

A=1800\frac{(1+0.015)^{160}-1}{0.015}=1179415.39

Therefore, miss Roxanne will be 1179415.39 dollars in her account when she turns 65 years old.

(b) In this part we need to figure out the total amount she deposited.

The total amount she deposited would be 1800*160=\$288000.

(c) We can find the interest earned by subtracting her contribution from the answer of part (a).

Interest earned = 1179415.39-288000=\$891415.39

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Answer:

Step-by-step explanation:

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3 years ago
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What’s the cost before the tip? We need to know that before calculating the cost with the tip.
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