I use my calculator
Y1 (the blue one) = x^2-2x
Graph
2nd trace minimum
X= 1 and y = -1
So the vertex is (1,-1)
Answer:

Step-by-step explanation:
Given



Required
Find x
First, we calculate the amount paid in terms of the cost price.
This is calculated using:



Express as decimal

Open bracket

So, we have:
and
---- given
Equate both

Collect like terms



Solve for x


3 yd 1ft is greater then 100 in
Answer:
Selling price=rs.600.
Profit of rs=100.
Step-by-step explanation:
C.P=500; profit%=20%
S.P.=100+profit%×C.P/100
S.P=120×500/100
=rs.600
S.P>C.P
Profit S.P-C.P
600-500=100
he gained for rs.100.
Answer:
Well..
Step-by-step explanation:
Do 23,882 by 11, then do the answer of that problem divided by 11 and so on