Please help me please and thank you
1 answer:
After 0 hours the train has travelled 90 miles from the station.
After 1 hour the train has travelled 135 miles from the station.
This means the train has travelled 135 - 90 = 45 miles in 1 hour.
Therefore the correct answer is A. 45 mph, because speed is the rate of change of distance.
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The quadratic formula is ![\frac{-b+-\sqrt[2]{b^2-4ac}}{2a}](https://tex.z-dn.net/?f=%5Cfrac%7B-b%2B-%5Csqrt%5B2%5D%7Bb%5E2-4ac%7D%7D%7B2a%7D)
and in the equation ax^2+bx+c=0
so now all you have to do is substitute the numbers into the quadratic formula
53/100 erasers are blue
53/100 = 0.53
0.53 = 53%
53% is your answer
hope this helps
Both of them could be true, tables and graphs are basically the same thing... is there a photo?
Answer:
B
Step-by-step explanation:
X + x + 1 + x + 2 + x + 3 = 330
4x + 6 = 330
4x = 324, x = 81
Smallest number: 81
Biggest number: 81 + 3 = 84
Sum: 81 + 84 = 165
The answer is 165
