Answer:
15
Step-by-step explanation:
Answer:
25 lb bag of fertilizer can cover <u>10 square feet</u> of lawn.
Step-by-step explanation:
Given:
5 pounds of fertilizer cover = 2
of the lawn
We need to find the 25 lb bag cover.
Solution:
Now we know that;
5 pounds of fertilizer = 2
of yard.
1 lb of fertilizer = Number of
lawn covered by 1 lb fertilizer.
Using Unitary method we get;
Number of
lawn covered by 1 lb fertilizer = 
Now we can say that;
1 lb of fertilizer =
of the yard
25 lb of fertilizer = Number of
lawn covered by 25 lb fertilizer.
Again by using Unitary method we get;
Number of
lawn covered by 25 lb fertilizer. = 
Hence 25 lb bag of fertilizer can cover <u>10 square feet</u> of lawn.
Answer:
2/3 or in decimal form which is 0.6
Step-by-step explanation:
Answer:
If the observed sample mean is greater than 17.07 minutes, then we would reject the null hypothesis.
Step-by-step explanation:
We are given the following in the question:
Population mean, μ = 15 minutes
Sample size, n = 10
Alpha, α = 0.05
Population standard deviation, σ = 4 minutes
First, we design the null and the alternate hypothesis
Since the population standard deviation is given, we use one-tailed z test to perform this hypothesis.
Formula:
Now,
Thus, we would reject the null hypothesis if the z-statistic is greater than this critical value.
Thus, we can write:

Thus, the decision rule would be if the observed sample mean is greater than 17.07 minutes, then we would reject the null hypothesis.
Answer:
I think the answer is (a) triangle as if you slice the traingular prism with perpendicular to the base as if we slice it with cross sectionally
Hope it helps