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Dimas [21]
2 years ago
8

New York City is building an outdoor skating rink that is circular. If the diameter of the circle is 92 meters, what is the area

of the ice skating rink n square meters? Use 3.14 for pie
Mathematics
2 answers:
Oksi-84 [34.3K]2 years ago
6 0
Hello there! The formula for finding the area of a circle is π * r². The radius is 1/2 of the diameter. The diameter is 92 meters ½ of 92 is 46. So we will raise 46 to the second power. 46² is 2,116. Now, let's multiply that by 3.14 to ffind the area of the circle. 2,116 * 3.14 is 6,644.24. There. The area of the ice skating rink is 6,644.24 square feet.
EastWind [94]2 years ago
4 0
The area of a circle can be obtained through the formula:
A= πr²
If the diameter is 92 metres, then the radius is 46 metres (as the radius of a circle is half the length of its diameter). Now, you can substitute the radius into the formula:
A=3.14×46²
A=6644.24m²
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Angle mIJK=180, angle mIJU = 3x-7, and angle mUJK=17x + 7 find angle mIJU
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2 years ago
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You and your friend are making 30 liters of sodium water. You have liters of 10% sodium and your friend has liters of 22% sodium
iren [92.7K]
X liters of 10% + (30 - x) liters of 22% = 30 liters of 15% 

<span>Plugging in the numbers </span>
<span>x(10) + (30 - x)22 = 30(15) </span>

<span>Distribute </span>
<span>10x + 660 - 22x = 450 </span>

<span>Combine like terms </span>
<span>-12x = -210 </span>

<span>Divide both sides by -12 </span>
<span>x = 17.5 </span>
<span>30 - x = 12.5 </span>

<span>17.5 liters of 10% + 12.5 liters of 22% = 30 liters of 15%

THE TRICK IS TO JUST USE ONLY ONE VARIABLE</span>
4 0
2 years ago
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