Answer:
<u>254.34 in²</u>
Step-by-step explanation:
<u>Area of a circle</u>
- <u>r = radius of the circle</u>
<u>Solving</u>
- A = 3.14 x (9)²
- A = 3.14 x 81
- A = <u>254.34 in²</u>
Complete options are;
A) Paired t-test for means
B) Paired Z-test for means
C) Z-test for proportion
D) t-test for means
E) Z-test for means
F) t-test for proportion
Answer:
B) Paired Z-test for means
Step-by-step explanation:
We are told that the distances travelled are normally distributed.
We are also trying to find out if the average distance travelled by the Titleist Pro V1 golf balls is farther than that of the Callaway Chrome Soft golf balls.
Also, the standard deviation of both cases are known.
Thus, this is where Paired Z-test for means is used.
Sharing £900 in the ratio of 3:7 is equal to £270 and £630.
<u>Given the following data:</u>
- Sum of ratio =
= 10.
To share £900 in the ratio of 3:7:
<h3>How to calculate a ratio.</h3>
In this exercise, you're required to share the total amount of money in the ratio of 3:7. Thus, we would solve as follows:
<u>For a </u><u>ratio</u><u> of </u><u>3</u><u>:</u>
Amount = £270.
<u>For a </u><u>ratio</u><u> of </u><u>7</u><u>:</u>
Amount = £630.
Read more on ratio here: brainly.com/question/13513438
Answer: 6
Step-by-step explanation:
Using slope-intercept form, the slope is the m in y=mx+b. So, the slope is 6.
