Find average speed for entire trip
Every day Tim drives to work. One Monday morning, with heavy traffic, Tim averaged 30 miles per hour on way in, and 50 miles per hour on way home. Find Tim's average speed for entire trip? Is it possible to find how far Tim drives to work? Describe.
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They are 870 mi apart after 3/4 h. If eastbound plane averages 120 mi/h more than westbound plane, find at what rate is every plane flying?
A recent study of minimum wage earners found that 25.6% of them are 16 to 24 years old. Suppose a random sample of 600 minimum wage earners is selected.
A college counselor wants to determine if the number of hours spent studying for a test can be used to predict the grades on a test. Identify the predictor variable and response variable.
According to government data, the probability that the adult was never married is 16%. You randomly choose 69 adults and ask if he or she was ever married. Decide whether you can employ the normal distribution to approximate the binomial distribut
Tim averaged 30 miles per hour on way in, and 50 miles per hour on way home. Find Tim's average speed for entire trip? Is it possible to find how far Tim drives to work? Describe.
The bus traveled two hours at the certain speed, then decreased speed by 20 miles/hr and traveled for three more hours.
For each of the following z-scores, sketch a normal distribution and draw a vertcal line at the location of the z-score. Then, determine whether the body is to the right or left of the line and find the proportion in the body.
If two inlet pipes are both open, they can fill the pool in 1 hour and 12 minutes. One of the pipes can fill pool itself in two hours. How long it will take other pipe to fill pool itself?
The box has eight red balls and one green ball. The ball is selected and replaced. Then the second one is drawn. Determine probability of getting both red?
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Expense 300 Income Before Income Taxes 14,700 Income Tax Expense 2,400 Net Income $12,300 What is the gross profit percentage for 2019?
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