Answer:
4
Step-by-step explanation:
Let's say B is the number of boys and T is the number of teachers.
T / (B + 18) = 2/21
B/18 = 4/3
Solve the second equation for B.
B = 24
Plug into the first equation to find T.
T / (24 + 18) = 2/21
T = 4
Answer:
x > -7/17
Step-by-step explanation:
You first divide -7 by 17 to isolate the variable, (x).
And thats it!
A because it can’t be 100 and it can’t be 625 and it can’t be 50 so it has to be A
Answer:
C option is correct.
t = 8 +- √
1−
4
d
Step-by-step explanation:
d=−16t^2 +4t
t= (1+
√
1−
4
d) / 8
t
=
(1
−
√
1
−
4
d ) / 8
Answer:
the answer you are looking for is -5<n<4
