A triangle that does not contain a right angle has one side that measures 15 cm and another that measures 6 cm.
What is the measure, in centimeters, of the third side of the triangle?
It takes 10 days to mow a 140-acre park using a tractor that is available only 4 hours per day.
If the same amount of acreage is mowed each day, how many acres per hour must be mowed?
Because correcting errors reduces the actual number of words per minute a person might type, some people use the following formula to calculate effective typing speed (T) in words per minute:
Where w is the number of words typed in 5 minutes, and e is the number of errors made.
If Cesar types 325 words in 5 minutes and makes 5 errors, what would be the value of T?
An octagonal lamp has 8 square glass sides.The total area of the glass used for the lamp is given by the formula g = 8x2, where g is the area of the glass and x is the length of one side of the squares.
If the squares have sides whose length is 6 inches, what is the total area (in square inches) of the glass used to make the lamp?
A new store offered its first 80 customers a chance to win a prize by selecting a ball from a container. Of the 80 balls in the container, 45% contained a number that would win the customer a prize.
How many of the first 80 customers won prizes?
In the figure at the left, parallel lines RQ and TS are intersected by a third line.
What is the measure of angle PQR?
A farmer built a barn at a cost of $48,000 and wishes to insure it for the same amount. If insurance costs $0.35 per $100 of the amount insured, how much must the farmer pay for insurance?
Which investment lost money?
Biologists tagged trout and released them into a new man-made lake. The numbers of trout by gender and species are shown in the table below.
Later, biologists will net and inspect 50 of the tagged fish and re-release them into the lake.
If the netting captures fish randomly and all of the fish remain in the lake, approximately how many of the 50 fish are likely to be speckled trout?
What percent of its goal did the organization achieve?
