M + 5f = 25....multiply by -1
m + 10f = 40
----------------
-m - 5f = -25 (result of multiplying by -1)
m + 10f = 40
-----------------add
5f = 15
f = 3
m + 10f = 40
m + 10(3) = 40
m + 30 = 40
m = 40 - 30
m = 10
so the membership fee (m) = 10 and the sessions(f) = 3
Answer:
x= 623/7 x =89 89 pages every night
Step-by-step explanation:
A week has 7 days
She reads 623 pages in one week(623 in 7 days)
Answer:
4(3 + 2x)(-3 + 2x)
Step-by-step explanation:
Volume of cylinder
v = πr²
v = 22/7 x 21²
v = 1385.441 cm³
Answer:
That is correct
Step-by-step explanation:
When doing the math you can find that b and d are correct
