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Find an equation for the linear model of the situation below and use it to make a prediction.
A train is traveling north at a constant rate. At 3:00 P.M it is 55 miles north of a city. At 4:15 P.M. it is 80 miles north of the city. If d represents the distance in miles, and t represents the time in hours, how many miles north if the city will the train be at 5:45 P.M.?
At a country club, 35 people play golf, 28 swim, and 24 play tennis. Of these people, 6 play golf and tennis only, 9 play golf and swim only, and 7 play tennis and swim only. 8 people do all three activities. How many members are there all together?
Find the missing value. the principal is $500, the time is 7 years, the simple interest is $140.00, i have to find the rate.
Find the missing value. the principal is $500, the time is 7 years, the simple interest is $140.00, i have to find the rate.
1. Write the equation of a line given point (2, 11) and m = 5.

y = x +


2. Write the equation of a line given point (4, 14) and m = 2.

y = x +


3. Write the equation of a line given point (10, 23) and m = 3.

y = x +


4. Write the equation of a line given point (100, 320) and m = 4.

y = x +


5. Write the equation of a line given point (-5, 10) and m = -2.

y = x +


6. Write the equation of a line given point (5, 7) and m = 1/5.

y = x +


7. Write the equation of a line given point (14, -3) and m = 2/7.

y = x +


8. Write the equation of a line given point (-10, 9) and m = 3/5.

y = x +
Dominic arrived at work and went behind the counter at the north end. As he faced out over the counter, north was to his right, south to his left. While he was standing at the north end, a customer ordered a sandwich. Dominic went through these steps:
3 feet to his left to pick up the bread
2 feet to his right to put bread on the plate
4 feet to his left to get mayo and pickles
2 feet to his left to pick up knife and spoon
Returned to where the bread was on the plate
Turned around and got the salami out of the refrigerator
Put the sandwich together
3 feet to the left to serve the customer
4 feet to the left to get a soda
Back to the customer to give him the soda
To the south end of the counter to pick up the customer's money
Make suggestions for a more efficient arrangement
If the cold front is moving south at 40 mph for 4 hours and retains its present shape, what would be the equation of its graphing at that time? How do you change 40 mph for 4 hours to hundreds of miles?
Suppose a cold front is passing through the United States at noon having a shape roughly like a parabola with its vertex at Des Moines Iowa and a stretch/shrink factor of 1/20 if the independent variable is measured in hundreds of miles. What type of function is this problem working with? and Is the leading coefficient positive or negative?
Test the significance of differences between the two samples using the following data
Sample Scores
First Sample 10 9 8 7 5 7 8 9 9 7 3
Second sample 16 14 11 10 6 5 12 13 15 11 3
There are n homomorphisms from the group Z/nZ to the additive group of
rationals Q.true/false with explanation
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