13cm is the answer i hope this helps you!!!!!!!
Answer:
77
Step-by-step explanation:
sum of all number/total numbers
80+90+10+75+98+95+99/7
77
Answer:
Step-by-step explanation:
If we know that D is the midpoint, then 2x + 7 = 4(x-3). Doing the algebra on that gives us
2x + 7 = 4x - 12 and
19 = 2x so
x = 9.5
The two formulas i used should be in your book
Answer:
8 -2/x
Step-by-step explanation:
"The quotient of 2 and x" means "2 divided by x". Written using math symbols, that is 2/x. Eight minus this value is written ...
8 -2/x
