Answer:
ASK YOUR QUESTION
Middle School Mathematics 5+3 pts
Evaluate the expression 3.14(a2 + ab) when a = 3 and b = 4. (Input decimals only, such as 12.71, as the answer.)
Report 13.07.2017
Answer
3.14(a^2 + ab) when a = 3 and b = 4
then
3.14(3^2 + 3*4)
= 3.14(9+12)
= 3.14(21)
= 65.94
15
Step-by-step explanation:
Answer:
Step-by-step explanation:
Original 873 New 781
The new went down by about 10.5%
873*10.5%= 91.67
873-91.67= 781.33
It decreased 10.5%
Answer:
<u>15 students</u> purchase their lunches in the cafeteria.
Step-by-step explanation:
Given:
At eastwood middle school, 25% of the 60 students Mrs. Wade teaches buy their lunches in the cafeteria.
Now, to find the students purchase their lunches in the cafeteria.
Total students = 60.
Percent of students who buy lunches = 25%.
So, to get the number of students who buy their lunches in the cafeteria:
<u><em>25% of 60.</em></u>
Therefore, 15 students purchase their lunches in the cafeteria.
It is C I just studied DNA. Recombinant DNA is the combination of DNA from 2 different sources. We have Recombinant DNA because we all have jeans(DNA) from both of our parents. Chemical Reaction "hormones".
Answer:
1. (-20/3)+[(2×3+2)/3]=-12/3=4
2. (-5/3)-(2/3)-3= -5-2-6=-3
