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Alex777 [14]
3 years ago
15

A sidewalk bounds a circular playground at GeoCity Park. Parents can exercise by walking around on

Mathematics
1 answer:
ollegr [7]3 years ago
3 0

Answer:

125,728 m²

Step-by-step explanation:

C = 2 × 3.14 × r

1256.64 = 6.28r

r = 200.101910828 m

Area = 3.14 × r²

Area = 3.14 × 200.101910828²

Area = 125,728.03261143 m²

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3 0
4 years ago
Help please with math
yuradex [85]

Here you go, sometimes, quizlet is there with just the right info. Ur welcome.

5 0
4 years ago
A high school spends approximately $9,000 hosting a football games (e.G. The hourly pay for staff, the electricity, water usage,
Yanka [14]

Answer:

<u>$4800</u>

Step-by-step explanation:

The expected net income is the probability when rains multiplied by net income (profit) summed with the probability of not raining with that days net income multiplied.

First, Chance of rain = 12% = 12/100 = 0.12

Profit/Loss = Income - Cost

Income is 5000

Cost = 9000

So,

Loss = 5000 - 9000 = 4000

Or, Net Income (profit) = - 4000

Now, Change of not raining = 100 - 12 = 88% = 88/100 = 0.88

Profit = Income - Cost

Income = 15,000

Cost = 9000

Net Income (profit) = 15000 - 9000 = 6000

So, we can write the expected net income as:

<u>Expected NI </u>= (0.12)(-4000) + (0.88)(6000) = <u>$4800</u>

8 0
3 years ago
Which direction does the graph of f(x) = 9 − 3x2 + 1 open?
Daniel [21]
Down because the slope is negative
5 0
3 years ago
Read 2 more answers
PLEASE HELP What is the radical form of the expression 423 ? 43−−√ 34−−√ 42−−√3 24−−√3
ira [324]

For this case we must express the number "423" in a radical way.

We have to, we can rewrite it as:

423 = 9 * 47 = 3 ^ 2 * 47

So, we have to:

423 = \sqrt {3 ^ 2 * 47}

By definition of properties of powers and roots we have:

\sqrt [n] {a ^ m} = a ^ {\frac {m} {n}}

So:

423 = \sqrt {3 ^ 2 * 47} = 3 \sqrt {47}

Answer:

3 \sqrt {47}

8 0
3 years ago
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