A. The slope is 2.79. For every year, an individual grows 2.79 inches?
I don't know what the units are, so I can't answer this problem correctly.
Answer:
6. angle D and B
7 angle D and A
8 mA=140 and mB=40
9 mC=140 and mD=40 because they are congruent
Answer:
Step-by-step explanation:
Null hypothesis: u <= 3 minutes
Alternative hypothesis: u > 3minutes
Using a z test formula, z score is
z = (x - u) / (s/√n)
Where x = 3.1, u = 3, s = 0.5, n = 100
z = (3.1 - 3) / (0.5/√100)
z = (0.1) / (0.5/10)
z = 0.1/0.05
z = 2
To calculate for the p value assuming a 0.05 level of significance, the p value is 0.02275 which is less than 0.05. Thus we will reject the null and conclude that there is enough statistics evidence to show that the mean waiting time of all customers is significantly more than 3 minutes.
Answer:
the answer is -9/8m+3/10
Step-by-step explanation:
Answer:
y = 3/2x - 4
Step-by-step explanation:
y = mx + b
*plugging in slope*
y = 3/2x + b
*finding b (aka y-intercept, starting value, when x=0) by plugging in x and y values from point (2, -1) )*
-1 = 3/2 * 2 + b
-1 = 3 + b
b = -4
so: y = 3/2x - 4
