X is 25
First start by multiplying both sides by 5. This will cause the
to cancel out and 5 • 10 is 50
You are left with
which then you can divide both sides by 2.
which simplifies into X = 25
F(x) = -20x + 2560....x represents number of minutes
domain is ur x value(ur minutes) and the range is ur f(x) value (or y value)...which is the total amount of water left in the tank
x f(x) = -20x + 2560 y
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10 f(10) = -20(10) + 2560 2360
20 f(20) = -20(20) + 2560 2160
30 f(30) = -20(30) + 2560 1960
60 (1 hr) f(60) = -20(60) + 2560 1360
let me break it down for you..
at 10 minutes, there will be 2360 oz of water in the tank
at 20 minutes, there will be 2160 oz of water in the tank
at 30 minutes, there will be 1960 oz of water in the tank
at 60 minutes (or 1 hr), there will be 1360 oz of water in the tank
Answer:
6 23/70
Step-by-step explanation:
2 9/10 + 3 3/7 = 2 + 63/70 + 3 + 30/70 = 5 + 93/70 = 5 + 70/70 + 23/70 =
= 5 + 1 + 23/70 = 6 + 23/70 = 6 23/50
Answer:
374.4
Step-by-step explanation:
All items related to the maintenance are 20% more expensive, it means that each datum is 20% bigger including the average.
The variance its a dispersion measurof the data and its calculated of this way:
Here n is the number of data, is the average and represent each datum. The increment in 20% in each parameter can be represented multiplying for 1.2, of this way
Factorizing the 1.2 we have:
That is:
The new variance is