Answer:
A
Step-by-step explanation:
because of A is the answer
Answer:
Step-by-step explanation:
PEMDAS
anything done in the parentheses comes first
so you have to add first then multiply
this is not the distributive property unless the two numbers in parentheses are not like terms
Answer:
64
Step-by-step explanation:
Lets take mei lin's first four test scores to be 60 since it average out to be 60.
After the 5th test,
mei lin new average score is
![\frac{new \: total \: score}{total \: number \: of \: tests} \\ = \frac{60 + 60 + 60 + 60 + 80}{5} \\ = \frac{320}{5} \\ = 64](https://tex.z-dn.net/?f=%20%5Cfrac%7Bnew%20%5C%3A%20total%20%5C%3A%20score%7D%7Btotal%20%5C%3A%20number%20%5C%3A%20of%20%5C%3A%20tests%7D%20%20%5C%5C%20%20%3D%20%20%5Cfrac%7B60%20%2B%2060%20%2B%2060%20%2B%2060%20%2B%2080%7D%7B5%7D%20%5C%5C%20%20%3D%20%20%5Cfrac%7B320%7D%7B5%7D%20%20%20%5C%5C%20%20%3D%2064)
Answer:
37.7
Step-by-step explanation:
The formula is C = 2 • 3.14 • r , you multiply the radius by pi/3.14, then you multiply that by product by 2.
Answer:
the answer is A and B
Step-by-step explanation:
hope it helps