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sertanlavr [38]
3 years ago
11

A rectangular garden covers 16,000 ft2. Its length is 60 ft longer than its width.

Mathematics
1 answer:
tatiyna3 years ago
4 0
The width is x 
<span>The length is x+60 </span>

<span>so x(x+60) = 16000 
</span>
<span>x^2 + 60x = 16000 
</span>
<span> </span>
<span>x^2 + 60x + 900 = 900+16000 
</span>
<span>(x+30)^2 = 16900
 </span><span> </span>
<span>x+30 = 130
 </span>
<span>x = 100

So your answer is 100. </span>
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There are 5 blue marbles, 4 red marbles, and 3 yellow marbles in a box. If Jim randomly selects a marble from the box, what is t
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Answer:

The probabilty of selecting a red or yellow marble is 7/12

Step-by-step explanation:

To know the probability we have to divide the number of favorable events by the number of possible events

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F = 4 + 3

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7/12

The probabilty of selecting a red or yellow marble is 7/12

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3 years ago
Elise planted a row of flowers in an area with the dimensions shown at the right. what is the area of her flower garden if the d
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4 years ago
Janice works for a salary of $2,396 per month. She has federal income tax withheld at the rate of 15 percent, Social Security ta
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Her pay will be ....

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4 0
3 years ago
Read 2 more answers
Given the sequence tn defined recursively below, find t4.
Alina [70]

Answer:

t_4 = 20

Step-by-step explanation:

The base case in the recursive function are:

t_1 = 1

t_2 = 2

The recursive case is equal to:

t_n = 2t_{n-1} + 3t_{n-2}

So replace t_n for t_4:

t_4 = 2t_{3} + 3t_{2}

In the new expression t_2 is a base case so you don't have to worry for that part, but t_3 is still the recursive case so evaluate again in t_n

t_3 = 2t_{2} + 3t_{1}

t_2 and t_1\\ are define as base cases so you replace for it's numbers:

t_3 = 2(2) + 3(1) = 7

Now return to t_4 and replace for the new values:

t_4 = 2(7) + 3(2) = 14 + 6 = 20

So the final answer is 20

3 0
3 years ago
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