Write equations for both companies:
Company A = 80 + 0.30x
Company B = 20 + 0.50x
X = number of miles.
Set the equations to equal and solve for x:
80 + 0.30x = 20 + 0.50x
Subtract 0.30x from both sides:
80 = 20 + 0.20x
Subtract 20 from both sides:
60 = 0.20x
Divide both sides by 0.20:
x = 60 / 0.20
x = 300
The answer is 300 miles.
Answer:
-2.1y + 12.9
Step-by-step explanation:
Answer:
5.67
Step-by-step explanation:
- 68.0052 divided by 12 = 5.6671
- The hundredth place is two digits to the right of the decimal point.
- To round this look at the third number to determine whether the 6 in 5.6<u>6</u>71 is rounded to 7.
- The third digit to the right of the decimal is greater than 5 so the number is rounded to 5.67
Answer:
9676
Step-by-step explanation:
a) If the motorcycle starts from rest, then we have an initial speed equal to zero (V0 = 0), with this we can choose a formula that does not contain the initial speed, now we also know that what it asks us is the time that it takes a certain speed to pass, so the formula we will use will be:
Clearing "t"
The distance is in Kilometers, we first need to pass this distance in meters, so we'll need to do our conversion:
1.6 km = 1600m
Substituting our data into the formula:
So the motorcycle will take 84.32 seconds to travel 1600 meters.
b) Since we are asked to obtain the speed in the time it took for the 1600 meters, we are going to use the following formula.
Substituting our data:
In order to express the final result of the speed, in terms of km/h, we would only apply the conversion factors.