The 20th expression would be 80. Counted on my fingers xD hit 80 when i did 20 fingers. which means that if you put 20 as n, it should come out to 80, but it comes out to 84 by the answer you chose, so I'm wondering if the answer you chose was right, or if it was A
Answer:
y=x2−4x+7
or you can do it is way y=(x−2)2+3
Step-by-step explanation:
Any 2 squares of the same side length and the third square must have the same side length×sqrt (2)
Answer:
no solutions
Step-by-step explanation:
x + 2y = 1
y = − 1/ 2 x + 4
Substitute the second equation into the first
x + 2(-1/2x+4) = 1
Distribute
x -x +8 = 1
Combine like terms
8=1
This is never true so there are no solutions
The answer is B.
If he earns $x in one week, then you need 2x to calcualte 2 weeks, add that with his allowance and there you have it.