2
+
4
5
=
−
1
4
x
2
+
45
=
−
14
x
x2+45=−14x
2
+
4
5
−
−
1
4
=
0
Answer:
(p+e)/(r-n) = x
Step-by-step explanation:
p + nx=rx-e
Add e to each side
p +e+ nx=rx-e+e
p +e+ nx=rx
Subtract nx from each side
p +e+ nx - nx=rx-nx
p+e = rx -nx
Factor out x
p+e = x(r-n)
Divide each side by (r-n)
(p+e)/(r-n) = x(r-n)/(r-n)
(p+e)/(r-n) = x
Answer:
3 chocolates each night
Step-by-step explanation:
C-3
t-1
Answer:
(8+t)^2-6 when t=2
Step-by-step explanation:
1: (8+2)^2-6
2: (10)^2-6
3: 100-6
4: 94
Ok so we start with 80 books and remove 50% so 40
2/5 of 40 is 16
16 books
