Answer:
x²+1/x² = 51
Explanation:
Given x - 1/x = 7 ---(1)
We know the algebraic identity:
a²+b²-2ab = (a-b)²
Or
a²+b² = (a-b)²+2ab
Now,
x²+1/x²
= (x-1/x)²+2*x*(1/x)
= (x-1/x)²+2
:7²+2 [ from (1)] =
= 49+2
= 51
Therefore,
x²+1/x² = 51
Answer:
1 1/2 eggs
1/2 almond paste
1/8 vanilla
3/8 sugar
Step-by-step explanation:
30 with the remainder of 714
Answer:
3 1/100
Step-by-step explanation:
Place the decimal number over a power of ten.
Answer: A(-4,3) B(9,3) C(7,0) D(-6,-4)
Step-by-step explanation: add 3 to each x value and subtract 2 from every y value
