From 1980 through 1990, the population of Country X increased by 100 percent. From 1990 to 2000, The population increased by 50
2 answers:
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Answer:
Lance will arrive at the airport at 10:00 AM.
Step-by-step explanation:
Lance left his house at 6:00 AM, and drove to the airport, which is 220 miles away, at 55mph; therefore, the time it takes Lance to cover the distance of 220 miles is
Thus, it takes Lance 4 hours to reach the airport, and since he departed at 6:00 AM, he will arrive at the airport at (6+4):00 AM + 10:00 AM.
It is given that .
Now, know that in 180 degrees there are radians. This can be written as:
radians
radians (dividing both sides by 180)
Thus, to find the measure of the given angle of in radians, we will have to multiply the above equation by 135. Thus, we get:
radians
radians
Thus, equivalent to the radian measure of angle a is 2.356
To make a positive profit p(x)>0 we need to make:
Now we solve this for x:
We have:
a = -2
b = 7
c = -3
We will use formula for quadratic equation:
We got two solutions. One is fraction other is whole number. We will not consider fraction because the amount of muffins sold must be whole number. So our solution is:
x>3
Now we solve this for x:
We have:
a = -2
b = 7
c = -3
We will use formula for quadratic equation:
We got two solutions. One is fraction other is whole number. We will not consider fraction because the amount of muffins sold must be whole number. So our solution is:
x>3