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Serga [27]
3 years ago
10

En un colegio la cantidad de cuadernos y libros estan en la razon 2 es a 3. Si en total hay 126 cuadernos cuantos libros hay

Mathematics
1 answer:
Lyrx [107]3 years ago
8 0

Answer:

The number of books are 189.

Step-by-step explanation:

ratio of note books to the books = 2 : 3

total notebooks = 126

Let the number of books is x.

So, the ratio is

\frac{2}{3} = \frac{126}{x}\\\\x = 189

So, the number of books are 189.

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Assuming the loan is as described, seven-year loan, which means that Kyle does not repay a cent before seven years.

This is a compound interest problem where n=7 years, interest rate i=0.05, and present value P=8000.

At the end of seven years, Kyle will have to pay

Future value = F = P(1+i)^n = 8000(1.05)^7 = 11256.80 (to the nearest cent)

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3 years ago
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On one day a Plumber Joe earned $80 on a plumbing job. Out of his earnings he spent $6.85 on tea and snacks, $5.50 on food and $
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Answer:

Joe saved 68.25

Step-by-step explanation:

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4 0
3 years ago
Alex swam a total of 11.5 hours during the work week and then swam a total of 2.6 hours on the weekends. He swam the same number
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The answer is
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Hope that helps, have a nice night or day <4
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3 years ago
How can i learn times faster like 3's til 12's in Times i have a hard time in my times can someone tell me how i can learn them
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To get better at 12's:
Write down on your paper your 1's facts in column skip 5 and 11 going to 14 (a vertical line - line that goes up and down). To the right of that column, write your two's facts 0 to 8 and repeat again. Then you will have your 12's! Should look as follows

12's:

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1    2 = 12 x1
2    4 = 12 x2
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6    0 = 12 x5
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10  8 = 12 x9
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3 years ago
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