Answer: The answer is 314.28 cm² (approx.).
Step-by-step explanation: Given that an engineer is going to install a new water pipe. The diameter of this circular pipe is, d = 20 cm.
We need to find the area 'A' of the circular cross-section of the pipe.
Given, diameter of the circular section is

So, the radius of the circular cross-section will be

Therefore, cross-sectional area of the pipe is

Thus, the answer is 314.28 cm² (approx.).
Answer:
Not confident in this answer but $9.30 ¯\_(ツ)_/¯
Step-by-step explanation:
Answer:
$12.60
Step-by-step explanation:
42/30%=42/0.3=$12.60
Brainleist plz
(comment if spelling is wrong anywhere)
Answer:
p + 185 ≤ 480
p ≤ 295
At most 295 people can attend the play
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
The slope is 1. Note how each time x increases by 1 unit, y also increases by 1 unit.
The y-intercept is (0, -1).
Answer C is correct.