Answer: 27.64601535159
Step-by-step explanation:
circumferenceC=πd
C=π×8.8
C=8.8π
C=27.64601535159
X = 3y - 4
x + y = 16
3y - 4 + y = 16
4y = 20
y = 5
x = 3(5) - 4
x = 11
Answer:
Step-by-step explanation:
Hello!
The hypothesis tested where that "adds produce no change" symbolically p=0.7 versus "negatives are below 70%" symbolically: p < 0.70
So the hypothesis tested where:
H₀: p=0.7
H₁: p < 0.70
After conducting the analysis the p-value was 0.291
To decide over a hypothesis test using the p-value you have to compare it with the significance level of the test. The decision rule is the following:
If p-value > α, the decision is to not reject the null hypothesis.
If p-value ≤ α, the decision is to reject the null hypothesis.
Let's say the significance level of the test is α= 0.05
Using this level the decision is to nor reject the null hypothesis.
This means that after the political ad campaign the proportion of negatives hasn't changed.
I hope it helps!
Answer:
C
Step-by-step explanation:
Answer:
3 hours.
Step-by-step explanation:
Since they are heading away from each other, their relative velocity is 60+55 = 115 mph. 345 miles/115 mph = 3 hours.
Check by plugging in. In 3 hours, Max travels 3 * 60 mph = 180 miles from the starting point. Min travels 3 * 55 mph = 165 miles in the other direction from the starting point. The total distance is 165 + 180 = 345 miles.