<u>Answer</u>
88.5 ft²
<u>Explanation</u>
The first step is the surface area of the semicircle.
Surface area of a circle = πr²
= π × 13²
= 530.929 ft²
Since the semicircle, we divide this by 2.
S.A of the parachute = 530.929/2
= 265.4645 ft²
To get the fabric is needed for each color we divide this by 3.
Fabric needed for each color = 265.4645/3
= 88.488 ft²
To the nearest tenth, answer = 88.5 ft²
Answer:
6^2 + 6^2 = 72 sqrt(72) = 8.49
Step-by-step explanation:
use pythagorean therom a^2 + b^2 = c^2
where c is the hyp.
Answer:
Step-by-step explanation:
Yes they are equivalent
Hope it helps!
*Gotta go fast*
Answer:
So the value of the test statistic is -0.85.
Step-by-step explanation:
We know that a sample of 1800 computer chips revealed that 53% of the chips do not fail in the first 1000 hours of their use. The company's promotional literature states that 54% of the chips do not fail in the first 1000 hours of their use.
We get that:

We calculate the standar deviation:

We calculate the value of the test statistic:

So the value of the test statistic is -0.85.