Answer:
sorry i really dont feel like doing all them.. but i know the first one is -25.
Step-by-step explanation:
just use math way.
64, 71, 70, 68, 71, 75, 66, 65, 71, 68, 60<br>Range:
tatuchka [14]
Answer:
11
Step-by-step explanation:
71-60=11
Answer: 1527
Step-by-step explanation:
Given: Mean :
Standard deviation :
The formula to calculate the z score is given by :-
For X=1492
The p-value of z =
For X=4976
The p-value of z =
Now, the probability of the newborns weighed between 1492 grams and 4976 grams is given by :-
Now, the number newborns who weighed between 1492 grams and 4976 grams will be :-
Answer:
Step-by-step explanation:
x + 3y = - 28
y = -5x
x + 3(-5x) = -28
x -15x = -28
-14x=-28
x=2
y = -5(2)
y=-10
Answer:
The cost he will pay for 10 rides will be $70 and for r rides will be .
Step-by-step explanation:
The price of admission into the park is $20.The price for each ride is $5David takes 10 rides,So, the cost he will pay if he took 10 rides will be,If he had r rides,So, the cost he will pay if he took r rides will be,Therefore, the cost he will pay for 10 rides will be $70 and for r rides will be.
!!! hope this helps !!!!