Answer:
if you wash 13 cars, you will earn 13*10= 130 $
your friend will also learn 130 $ but he only need to wash 130/13= 10 cars
SO the number of the car you have to wash is 13 cars
Step-by-step explanation:
Answer: It is -62
Step-by-step explanation: It is -62 because if you find the absolute value it is always negetive .
Answer:
15y^5
Step-by-step explanation:
Formula for the area of a rectangle is length times width.
so in this case, it would be 15y^5!! Trust me I just did this!
Answer:
Step-by-step explanation:
Given the regression equation :
y=2+3x
Mean of y values ; y = 5.0
Where y is the predicted variable ; x = predictor variable
The predicted value of y for X = 2
Null: H0 = 5
Alternative H1 : ≠ 5
Sample size (n) = 10 pairs
Degree of freedom = n - 2 = 10 - 2 = 8