Answer:
a,c,d
Step-by-step explanation:
e.
Answer:
a)5 b)15
Step-by-step explanation:
5 times 11=55
15 times 3 is 45
add together is 100
5+15 is 20 questions
1/3•3.14•. r^2 •h
1/3•3.14•20^2•25
10466.6667
that rounds up to 10,467.
I could be wrong though!
hope this helps! :)
We have an equation: 5/? = 2/6
Cross multiply:
2*? = 5*6
⇒ ?= 5*6/2= 15
There were 15 trumpet players~
We can substitute 4b with 12, because 4 * 3 = 12. 4b is the same as 4 different b's, and when we know b is 3, we can multiply 4 by 3 to get 12.
7 + 4b =
7 + 4 * 3 =
7 + 12 =
19.
7 + 4b when b = 3 is 19.