Saturday
December 7, 2013

# Posts by Kirk

Total # Posts: 79

Math
A student claimed that 9/(-11) is an improper fraction. How do you respond?

Math
A Boeing 747 jet is approximately 230 ft. long and has a wingspan of 195 ft. If a scale model of the plane is about 40 cm long, what is the model’s wingspan?

Math
I am not sure about this problem Find four large cities around the world and an approximate percentage rate of population growth for the countries in which the cities are located. Estimate the population in each of the four cities in 25 yr.

social studies
When a society has a formal method by which the people can bring about changes in government policy, then it is the most useful indicator of the degree of democracy reached by it.

math
Bill got 52 correct answers on an 80-question test. What percent of the questions did he answer incorrectly?

math
. A real-estate broker receives 4% of an \$80,000 sale. How much does the broker receive?

math
A car company is offering car loans at a simple interest rate of 4.7%. Find the interest charged to a customer who finances a car loan of \$7200 for 3 yr.

math
Bill got 52 correct answers on an 80-question test. What percent of the questions did he answer incorrectly?

math
The amount of gold jewelry and other products is measured in karats (K), where 24K represents pure gold. The mark 14K on a chain indicates that the ratio between the mass of the gold in the chain and the mass of the chain is . If a gold ring is marked 18K and it weighs 0.4 oz,...

math
. A Boeing 747 jet is approximately 230 ft long and has a wingspan of 195 ft. If a scale model of the plane is about 40 cm long, what is the model’s wingspan?

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