Find the measure of angle ACE.Arc AB is 100 degrees,Arc AE is 120 degrees, and Arc De is 100 degrees.
1 answer:
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Answer:
<em>v = 3.75 mph</em>
Step-by-step explanation:
<u>Constant speed motion </u>
An object travels at a constant speed if the ratio of the distance traveled by the time taken is constant.
Expressed in a simple equation, we have:
Where
v = Speed of the object
d = Distance traveled
t = Time taken to travel d.
Sam walks from home to school for a distance of d=0.75 miles in t=12 minutes. To calculate the speed, we need to convert the time to hours.
t=12/60 = 0.2 hours. Now compute the speed:
v = 3.75 mph
Answer:
Step-by-step explanation:
If we assume that the number of arrivals is normally distributed and we don't know the population standard deviation, we can calculated a 95% confidence interval to estimate the mean value as:
where x' is the population mean value, x is the sample mean value, s is the sample standard deviation, n is the size of the sample, is equal to 0.05 (it is calculated as: 1 - 0.95) and
is the t value with n-1 degrees of freedom that let a probability of
on the right tail.
So, replacing the mean of the sample by 49, the standard deviation of the sample by 17.38, n by 10 and by 2.2621 we get:
Finally, the interval values that she get is:
Answer:
We have the functions,
and
.
After plotting both the functions, we see that,
The graph of F(x) is given below, which has the y-intercept at (0,-1.5) and its horizontal asymptote is x-axis.
Also, the graph of f(x) is a straight line passing through (-4,0) and (0,2).
Further, we can see that the two graphs have intersection points as (-4.873,-0.436) and (2.873,3.436).
