Answer:
I don't think I have an answer for your question pls be specific
Answer:
Simple math. 7 times 3.5 KM, you get 24.5 KM .
Step-by-step explanation:
Answer:
Since the calculated value of z= 3.101 falls in the critical region it is concluded that average level of the chemical is greater than 12.50. The null hypothesis is rejected. There is evidence that the chemical plant is in violation of the working code.
Step-by-step explanation:
Here
The population mean = u= 12.50
The sample mean = x`= 14.83
The sample size= n= 15
Sample standard deviation= 2.91
Let the null and alternate hypotheses be
H0 : u ≤ 12.50 against the claim that Ha: u > 12.50
Applying z- test
z= x`-u/s/√n
Z= 14.83-12.5/ 2.91/√15
Z= 2.33/ 0.751
z= 3.101
The significance level is chosen to be 0.05
The critical value of z at 0.05 > 1.645 for one tailed test
Since the calculated value of z= 3.101 falls in the critical region it is concluded that average level of the chemical is greater than 12.50. The null hypothesis is rejected. There is evidence that the chemical plant is in violation of the working code.
Multiply the price by the amount of sales tax and then subtract the two:
Elliot:
4.5% = 0.045
6 * 0.045 = 0.27 sales tax
Katy:
6% = 0.06
6*0.06 = 0.36 sales tax
Difference = 0.36 - 0.27 = 0.09
The answer is A.
Ac method
for
ax^2+bx+c
multiply a and c together
find what 2 numbers multiply to get ac and add to get b
split b up
gropu
factor
3x^2+7x+2
2 times 3=6
what 2 numbers multily to get 6 and ad to get 7
6 and 1
3x^2+6x+1x+2
(3x^2+6x)+(1x+2)
3x(x+2)+1(x+2)
(3x+1)(x+2) is factored