A because there’s 6 negative rectangles, you get rid of one which is subtracting -1.
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:
cos (a+b)= cos a cos b - sin a sin b
Step-by-step explanation:
I had to answer this question too, but I don't know the explanation. I just saw it in this Khan Academy video. https://www.khanacademy.org/math/precalculus/x9e81a4f98389efdf:trig/x9e81a4f98389efdf:angle-addition/v/cosine-addition-identity-example
The answer is $8.75. You have to find what one costs which is 1.25 so if you have 7. 1.25 times 7 is $8.75