Answer:
x^2 +2x +4
x^2 +2x +(2/2)^2-(2/2)^2+4
(x+1)^2-1+4
(x+1)^2+3=0
(x+1)^2= -3
(x+1)= ±√-3
Since a negative number cannot be square rooted,
there are no solutions to this equation.
Hope this helps:)
Answer:
y=x-1
Step-by-step explanation:
Answer:
1.25 pounds.
Step-by-step explanation:
There are 16 ounces in 1 pound.
Divide the 20 by 16 to get 1.25 :-)
Answer:
(3,6) or x= 3 and y= 6
(-6,-3) or x= -6 and y= -3
Answer:
Given that 3/7 + (- 6/11) + (- 8/21) + (5/22)
Taking L.C.M. of the denominators 7, 11, 21 and 22 and then solving it.
L.C.M. of 7, 11, 21 and 22 = 2 x 3 x 7 x 11 = 462
= (462/7) x 3 – (462/11) x 6 – (462/21) x 8 + (462/22) x 5
= (198/462) – (252/462) – (176/462) + (105/462)
= (303/462) – (428/462)
= (-125/462)