Answer: 48 millas por hora
Step-by-step explanation: 40t + 2= 60t - 3, es t = .25.
la distancia de su casa a su trabajo es 40(0.25 +0.05) =12 millas allí para su velocidad promedio debería ser 12/0.25 = 48 millas por hora
The first sentence → x - 2y = -1
the second one → 3x - 2y = -3
multiply the first one by -1
you can get → -x + 2y = 1
plus two sentences together
you can get → 2x = -2
so you are able to know that x = -1
and y = 0
<span>(<span><span>−∞</span>,4</span>)</span>∪<span>(<span>4,∞</span>)</span>,<span>{<span>x|x≠4</span><span>}</span></span>
Answer:
165
Step-by-step explanation:
corecy
