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kat1357
25.01.2020 •
Mathematics
30 !
a training field is formed by joining a rectangle and two semicircles, as shown below. the rectangle is 99m long and 72m wide.
find the area of the training field. use the value 3.14 for π, and do not round your answer. be sure to include the correct unit in your answer.
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Ответ:
99 * 72 = 7128
3.14 * (72/2)^2
3.14 * 36^2
3.14 * 1296
4069.44
7128 + 4069.44 = 11197.44
Ответ:
D
Step-by-step explanation:
Since the line is y = 2x + 5
We know that one point is the y-intercept (0, 5)
If we plug in another point into the equation we should be able to determine the graph
when x = 4;
y = 2(4) + 5
y = 13
so another point is (4, 13)
D is the graph that has both the point (0, 5) and (4, 13)