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3 years ago

13

Scientists were studying bears by catching, tagging, and releasing 24 bears. A month later, the scientists come back and catch 4

bears, of which 2 are tagged. Assuming that the catch is representative, how many bears are there?

1 answer:

Bess [88]3 years ago

4 0

26. 24 plus the two untagged.

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Jylene and her brother had a total of $35.19 to buy school supplies. Jylene's school supplies cost

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3 years ago

3600 dollars is placed in an account with an annual interest rate of 9%. How much will be in the account after 25 years, to the

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Assuming the interest is simple interest, as opposed to compound interest,

$\bf ~~~~~~ \textit{Simple Interest Earned Amount}\\\\
A=P(1+rt)\qquad 
\begin{cases}
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r=rate\to 9\%\to \frac{9}{100}\to &0.09\\
t=years\to &25
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3 years ago

The length of a rectangular deck is five times it's width if the decks perimeter is 24 feet what is the decks area

miv72 [106K]

Answer:

20 square feet

Step-by-step explanation:

The length of a rectangular deck is five times it's width if the decks perimeter is 24 feet what is the decks area

Step 1

We find the Length and Width of the deck

Perimeter of a rectangle = 2L + 2W

The length of a rectangular deck is five times it's width

W = Width

L = Length = 5W

P = 24 feet

Perimeter = 2(5W) + 2W

24 = 10W + 2W

24 = 12 W

W = 24/12

W = 2 feet

Solving for L

L = 5W

L = 5 × 2 feet

L = 10 feet

Step 2

We find the area of the deck

Area of the deck(Rectangle) = Length × Width

= 10 feet × 2 feet

= 20 square feet

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2 years ago