Answer:
Step-by-step explanation:
a^2 + b^2 = c^2
8^2 + 15^2 = c^2
64 + 225 = c^2
289 = c^2
c= 
c= 17
Answer:
We accept the null hypothesis that the breaking strength mean is less and equal to 1750 pounds and has not increased.
Step-by-step explanation:
The null and alternative hypotheses are stated as
H0: u ≥ 1750 i.e the mean is less and equal to 1750
against the claim
Ha: u > 1750 ( one tailed test) the mean is greater than 1750
Sample mean = x`= 1754
Population mean = u = 1750
Population deviation= σ = 65 pounds
Sample size= n = 100
Applying the Z test
z= x`- u / σ/ √n
z= 1754- 1750 / 65/ √100
z= 4/6.5
z= 0.6154
The significance level alpha = 0.1
The z - value at 0.1 for one tailed test is ± 1.28
The critical value is z > z∝.
so
0.6154 is < 1.28
We accept the null hypothesis that the breaking strength mean is less and equal to 1750 pounds and has not increased.
Answer:
Number of tickets= 46
Step-by-step explanation:
Giving the following information:
Your school has raised $3,920 from this year's magazine drive. Your grade is planning a field trip. One bus costs $700 and one ticket costs $70.
<u>First, we need to calculate the amount left after the bus is paid:</u>
Money for tickets= 3,920 - 700
Money for tickets= $3,220
<u>Now, the number of tickets that can be bought:</u>
<u></u>
Number of tickets= 3,220 / 70
Number of tickets= 46
Answer:
PLEASE HELP 100 POINTS! D) How do you calculate the he residuals for a scatter plot?
E) calculate the residuals for you scatter plot in step 2d (the picture of the graph is attached) I’ll give brainliest if you answer both! :)
Answer:
see below
Step-by-step explanation:
<APR and < PRD are alternate interior angles, when lines APB and CRD are parallel, alternate interior angles are equal
<APR = < PRD
62+x =115
Subtract 62 from each side
62+x-62 = 115-62
x =53
