Answer:
=−2x+688
Step-by-step explanation:
The third
Answer:
10.00 +4s .
u wanted expression , not answer.?
Step-by-step explanation:
Answer:
Y=75x
Step-by-step explanation:
If you plug in the x's to the equation, it fits because 2 x 75 is 150, and that's the point.
Set it up in a proportion.
8 (oil)/5 (salad dressing) = x/7
cross multiply to get 11.2
<h3>
Answer: n^2 + 1</h3>
Explanation:
Imagine that you cross out the top-most square for each step of each diagram. The squares not crossed out have the following counts: 1, 4, 9
This is the sequence of perfect squares. So the rule will have us take the number n, and square it to get n^2. Then we add on the squares we crossed out earlier. This explains the "plus 1" at the end to get the answer of n^2+1