The answer is 6t^2+2.5x^2-0.5t-5.4
I believe the answer to your question is three you have to be three usually always three
70 I’m pretty sure I’m correct sorry if I’m not:( I’m not to good with math
Answer:
2.4x = 1.2x + 15
13
Step-by-step explanation:
just did it
Answer:
73
Step-by-step explanation:
Original number: XY
x = 3y - 2
10y + x = (10x + y) / 2 + 1/2
substitution: 10y + 3y - 2 = 13y - 2 = (10 * (3y - 2) + y) / 2 + 1/2
* 2 both sides and simplify: 26y - 4 = 31y - 19
31y - 26y = -4 + 19
5y = 15
y = 3
x = 7
Original number: 73