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3 years ago

The two way table shows the number of books of each type in Eilza's home.

Mathematics

1 answer:

makvit [3.9K]3 years ago

5 0

Answer:

thier is no table so 0

Step-by-step explanation:

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Does the equation y=2x+1 represent an equation

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This represents a function with a slope of 2 and y-intercept of 1

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3 years ago

A student wants to construct the inscribed circle of a triangle. What is the first step she should take?

Leviafan [203]

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2 years ago

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Sorry my brain hurts... Most of u love the points anyway

Amanda [17]

I think the answer's C: $7000/$8000
That's a surprisingly easy question for high school

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3 years ago

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Tamara invests $8000 in two different accounts. The first account has a simple interest rate of 3% and the second account has a

Paraphin [41]

Answer:

$3200 at 3%
$4800 at 2%

Step-by-step explanation:

Interest earned is proportional to the interest rate, so if the interest earned is the same, the amounts invested must be inversely proportional to the interest rates. That is, for the 3% and 2% accounts, the ratio of money invested is 2:3.

In other words, 2/5 of the money ($3200) was invested at 3%, and 3/5 of the money ($4800) was invested at 2%.

_____

If you need an equation, you can let x represent the amount invested at the highest rate. Then 8000-x is the amount invested at the lower rate. For the interest in the two accounts to be equal, we have ...

3%·x = 2%·(8000-x) . . . . . the amounts of interest earned are the same

3/2·x = 8000 -x . . . . . . . . divide by 2%

5/2·x = 8000 . . . . . . . . . . . add x and simplify

x = 8000·(2/5) = 3200 . . . multiply by the inverse of the x coefficient

8000-x = 8000 -3200 = 4800 . . . . the amount invested at the lower rate

Tamara invested $3200 in the 3% account and $4800 in the 2% account.

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She earned $96 in each account for the year.

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3 years ago

Marie joined a book club. She had to pay a one time registration fee of 80.00 and then 3.00 per book.How much did it cost her to

Rasek [7]

Answer:

It cost her this much = 3×15 = 45

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2 years ago

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