Answer:
Step-by-step explanation:

(One tailed test at 5% significance level)
Sample size =200 and sample proportion =
Std error of p = 
Test statistic = p diff/std error = -2.89
p value = 0.001926
So we reject H0 and accept alternate hypothesis.
Answer:
3m^2+3
Step-by-step explanation:
Step 1: First you have your equation or something.
3m (m+1)
Step 2: You multiply the parenthesis with the number.
Step 3: Then 3m to the parenthesis if you have 3m and m will convert to m^2.
Step 4: Your answer would be 3m^2+3
Answer:
Step-by-step explanation:
we can use the distributive property and write it as
(-2g-g ) + (7-11)
-3g -4
There is no function below.
Answer:
2,400 cm²
Step-by-step explanation:
You can solve for x because you know that 40cm=x²+4cm:
36 cm = x²
x = 6cm.
Therefore the width is 2(6)²-12, which is 60cm.
So the area is 40 cm x 60 cm, which is 2,400 cm².