Circumfrence/Perimeter of a Circle
= 2πr
= (2)(π)(78)
= (π)(156)
Divide by four to get Quarter Circle
= (π)(156/4)
= (π)(39)
The Circumfrence / Perimiter of this quarter circle in terms of π is 39π mm.
Answer:
2197 mosquitos
Step-by-step explanation:
If we assume that the colony grows at a constant exponential rate of 30%, we can then multiply 1300 by 30% and add that to our original 1300, and we get 1690. If we do that one more time for 3 days, we get 2167 mosquitos.
Step-by-step explanation:
82.....-82
-5.2.....5.2
7/9......-7/9
-y.......Y
4x.......-4x
0.......9/7
<h3>
Answer is 1.5 square meters</h3>
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Work Shown:
The portion of the fabric that is laying across the ground is 2 meters. The portion of the fabric from the ground to the highest point (along the fabric's edge) is 1.5 meters, half of that is 0.75 meters and this is the length of the shadow. We can see this by forming a 30-60-90 triangle. The hypotenuse is 1.5 meters, the short leg is 0.75 meters. The short leg is always half of the hypotenuse of any 30-60-90 triangle, and the short leg is opposite the 30 degree angle.
So this shadow has length of 2 meters and 0.75 meters, making its area be 0.75*2 = 1.5 square meters when the sun is directly overhead at 12 noon
169 plus 147 equals 316.
169 + 147 = 316.