Answer:
Y =ec2
Step-by-step explanation:
Answer:
-4 and -3.
Step-by-step explanation:
Let the numbers be x and x+1.
From the given information:
x^2 + (x + 1)^2 + x = 21
x^2 + x^2 + 2x + 1 + x - 21 = 0
2x^2 + 3x - 20 = 0
(2x - 5 )(x + 4 ) = 0
x = 5/2 or -4 We ignore 5/2 as its not an interger
So the required integers are -4 and -3.
Answer:
(2x - 3) ^2 - 11x - 6
Step-by-step explanation:
Answer:
2,3,4,6
Step-by-step explanation:
You just have to check all of them to see if they can be negative or not. The 2nd, 3rd, 4th, and 6th options all can't be negative and only 0 or positive. Therefore, you must select 2,3,4, and 6.
Answer:
60
Step-by-step explanation:
straight lines are 180
since all lines are parallel
180 - 120 = 60