Answer:
0,1.5
Step-by-step explanation:
y = 510 - 60x
We want to find the domain or the x values where x represents the time
We need to determine the possible values for x
Y cannot be greater than 510 or less than 0. 510 means they have not started the trip, and 0 means they have arrived
510 = 510 -60x
Subtract 510 from each side
510-510 = 60x
0 = 60x
The smallest value of x can be 0
0 = 510 - 60x
Subtract 510 from each side
-510 = 510-510-60x
-510=-60x
Divide by -60
-510/-60 = -60x/-60
8.5 = x
The maximum value of x is 8.5 hours
So x must be between 0 and 8.5 inclusive.
Answer:
3/
10
= 0.3
Step-by-step explanation:
Multiple: 2/5
* 3/4
= 2 · 3/5· 4
= 6/20
= 3 · 2/10 · 2
= 3/10
Multiply both numerators and denominators. Result fraction keep to lowest possible denominator GCD(6, 20) = 2. In the following intermediate step, cancel by a common factor of 2 gives 3/
10
.
In other words - two fifths multiplied by three quarters = three tenths.
That would be the % of pollutants removed, so the 2nd answer
Y=3
because the slope is basically 0
so any horizontal line would do.
