Your anwser is c. Y>1 y-x>0
Answer:
It's 40
Step-by-step explanation:
Arithmetic Sequence.
Common Difference:
160−163=−3
157−160=−3
d=−3
Explicit Formula:
an=a1+(n−1)d
a42=163+(41)(−3)
a42 = 40
Post these questions on your account 1 - 3 per question and list them 1. 2. 3.
and then itll be easier on everyone.
We have 10 ml of 20% acid to which we need to add "x" milliliters of 100% acid to make 50% acid.
.20 * 10 + 1.00x = .50 * (10 +x)
in which "x" is the volume of the 100% acid to be added.
2 + x = 5 + .5 x
.5x = 3
x = 6 milliliters
Source:
http://www.1728.org/mixture.htm
Scroll down to problem B
Answer:
A 8
Step-by-step explanation:
g(2)=
x
+2x2 = 8