Answer:
it will be c, x=8.5
Step-by-step explanation:
-18+4x=-4x+50
4x+4x=18+50
8x=68
x=8.5
Answer:
1001 in base 2.
Step-by-step explanation:
1010001
= 1 + 2^4 + 2^6
= 1 + 16 + 64
= 17 + 64
= 81 in base ten.
Square root of this is 9
In base 2 this is 1001
Answer:
(3x^2+ 2x+ 1) - (x^2- 3x+ 4)
Correct Simplification:
3x^2+ 2x +1 - x^2 + 3x - 4
2x^2 + 5x - 3
Ans C
He did not multiply the - for -3x
Hope it helps you.