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Bad White [126]
3 years ago
11

Find the area of a circle that has a radius of 14 feet. Approximate Π as 3.14. Round your answer to the nearest hundredth.

Mathematics
1 answer:
puteri [66]3 years ago
4 0
Area of a circle = (pi)r^2

therefore: A = (3.14)(14^2)

A = 615.44 square feet
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Charles is 45 years old, and makes $40,000 per year. If he were to die, how
AleksandrR [38]

Answer:

Oh, how morbid these interest problems are.

Are you asking how much they would recieve in a year?

If so:

40000/100=400

400*60=$24000 a year

4 0
3 years ago
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A certain forest covers an area of 4600km. Suppose that each year this area decreases by 7.75%. What will the area be after 13 y
wolverine [178]

Answer:

1679.60\ km^2

Step-by-step explanation:

-We can use the exponential decay function to estimate the size after 13 years:

P_t=P_oe^{-rt}

Where:

P_t is the size after t years, t is the time, r is the rate of decay and P_o the original size.

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P_t=P_oe^{-rt}\\\\=4600e^{-13\times 0.0775}\\\\=1679.60

Hence, the forest covers 1679.60\ km^2 after 13 years.

4 0
3 years ago
H (x)=x^2+ 8x+7 , what function family does this equation belong to?
Semenov [28]

Answer:

Algebra

Step-by-step explanation:

6 0
3 years ago
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Insert each of the following numbers between two consecutive multiples of 5: 13 37 48 61 93
DedPeter [7]
10 (13) 15
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7 0
3 years ago
Find three points that solve the equation x-3y = -7
serg [7]

x-3y=-7\qquad|-x\\\\-3y=-x-7\qquad|:(-3)\\\\y=\dfrac{x+7}{3}

<em>We choose any values of x and calculate the value of y</em>

for\ x=-4\to y=\dfrac{-4+7}{3}=\dfrac{3}{3}=1\to(-4,\ 1)\\\\for\ x=-1\to y=\dfrac{-1+7}{3}=\dfrac{6}{3}=2\to(-1,\ 2)\\\\for\ x=2\to y=\dfrac{2+7}{3}=\dfrac{9}{3}=3\to(2,\ 3)

<h3>Answer:  (-4, 1), (-1, 2), (2, 3).</h3>
6 0
3 years ago
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