Answer:
15x - y = - 6.....15x + 6 = y...so we sub in 15x + 6 in for y on the other equation
5x - 3y = -13
5x - 3(15x + 6) = -13 <== the new equation
Step-by-step explanation:
T represents hours, so if c(1.5)=c(t) as it mentioned in the problem, then 1.5 equals hours, and c represents cost, so if cost + time equals nine then I think it's a
Answer: 1.5s+20
Step-by-step explanation:
Answer:
45
Step-by-step explanation:
Answer:
Side RT
Step-by-step explanation:
The hypotenuse is the longest side on a right angle triangle, making it the side RT.