Step-by-step explanation:
(x - 1)² = 50
Either x - 1 = +√50 or x - 1 = -√50.
Hence, x = +/-√50 + 1 = +/-(5√2) + 1.
Answer:
Step-by-step explanation:
Given that water leaks from a vertical cylindrical tank through a small hole in its base at a rate proportional to the square root of the volume of the water remaining. The tank intitially contains 300 liters and 23 liters leak out during the first day
Let V represent the volume at time t.
Rate of change of V is 
where k represents the constant of proportionality
We separate the variables and integrate

Use the fact when t =0, V =300

Now use the fact when t =1 V= 300-23 = 277

k is negative because there is leak
So equation is

Using this
A) when half empty V = 150
t = 
so it takes 3.75 days
B) When t =3
V = 233.7515
X(y-1)+12(y-1)
(y-1)(x+12)
Answer:
7
Step-by-step explanation:
To solve this use the expression PEMDAS
So first we do what is in parenthesis
Then . .
√41 = 6.4 rounded to the tenth
round to the nearest whole number = 7
Answer:
Step-by-step explanation: