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Bess [88]
3 years ago
11

Trey has a bookcase with 8 shelves. Each shelf has 40 books. How many books are in the bookcase

Mathematics
1 answer:
Dmitry_Shevchenko [17]3 years ago
6 0

Answer:

8x40=320

Step-by-step explanation:

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HELP 15 POINTS<br> NOT HARD <br> PLEASE
GalinKa [24]

the answer is 9.24*10^18

hope it helps!

8 0
4 years ago
You just purchased two coins at a price of $670 each. Because one of the coins is more collectible, you believe that its value w
DerKrebs [107]

Answer:

The value of first coin will be $151.51 more than second coin in 15 years.

Step-by-step explanation:

You have just purchased two coins at a price of $670 each.

You believe that first coin's value will increase at a rate of 7.1% and second coin's value 6.5% per year.

We have to calculate the first coin's value after 15 years by using the formula

A=P(1+\frac{r}{100})^{n}

Where A = Future value

           P = Present value

           r = rate of interest

           n = time in years

Now we put the values

A=670(1+\frac{7.1}{100})^{15}

A=670(1+0.071)^{15}

A=670(1.071)^{15}

A = (670)(2.797964)

A = 1874.635622 ≈ $1874.64

Now we will calculate the value of second coin.

A=670(1+\frac{6.5}{100})^{15}

A=670(1+0.6.5)^{15}

A=670(1.065)^{15}

A = 670 × 2.571841

A = $1723.13

The difference of the value after 15 years = 1874.64 - 1723.13 = $151.51

The value of first coin will be $151.51 more than second coin in 15 years.

8 0
3 years ago
Please help me with this question!
nika2105 [10]

Answer:

3

Step-by-step explanation:

3 0
3 years ago
Please help me out!!!!!
Gnoma [55]
Valid because 3 x 3 is 9 :))
3 0
3 years ago
Andrew Needs 995 tickets to get the prize he wants At the arcade. He Already has 319 tickets and can earn 4w tickets each time h
Anuta_ua [19.1K]
650 tickets
To win the e prize
8 0
3 years ago
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