After 7 hours of burning, a candle has a height of 24.9 centimeters. After 18 hours of burning, its height is 21.6 centimeters.

After 7 hours of burning, a candle has a height of 24.9 centimeters. After 18 hours of burning, its height is 21.6 centimeters.

in 1875 the number of high school dropouts in a country was 5217 thousand. by 2003, this number has decreased to 3118 thousand. find and interpret the average rate of change per year in the number...

a basketball team played 62 games. They won 34 more than they lost. How many games did they win?

You have a total of $10,000 to invest in two simple interest accounts. On one account the annual simple interest rate is 3.5%. On the second account the annual simple interest rate is 7.5%. If you...

Need help writing this into an equation to solve.

A machine to manufacture fasteners has a setup cost of $1,500 and a unit cost of $0.005 for each fastener manufactured. A newer machine has a setup cost of $1,850 but a unit cost of...

A car travels 250km in same time that a truck travels 225km. If the speed of the car is 8km per hour faster than the speed the truck, find both speeds.

A company produces three color television sets: models X,Y,Z. Each model X set requires 2 hours of electronics work, 2 hour of assembly time an 1 hour of finishing time. Each model requires 1,3, and...

How would I represent this word problem in a system of equations? Liam is 6 years old and is 38 inches tall. He's growing at a constant rate of 2 inches per year. Elliott...

Solve the following using Linear Programming methods. All necessary working must be shown and presented clearly, in a well organised fashion that is easily followed. Working must be fully detailed...

Find three consecutive integers such that the sum of the first and twice the second is 92 minus three times the third

a) sketch a linear graph to model this data. label axes and scales clearly. b) find a linear model to express the relationship of call minutes t to bill total C (in dollars). Show all...

Logan has 52 coins, all dimes and nickels, worth $3.55. How many dimes and nickels does he have?

there are two classes.Class A has 18 more students than class B.If 1/8 of class B, both classes would have the same number of students.

Ben's truck contains 20 gallons of gas when full and uses 1 gallon to go 18 miles on the highway. Sarah's car contains 15 gallons of gas when full and uses 1 gallon to go 26 miles on the highway....

A woman is currently 21 years older than her daughter. Eleven years before the current time, the daughter was two- thirds as old as her mother. What is the age of the mother?

having trouble solving

Need help solving

The math and the science club had fundraisers to buy supplies for a hospice. The math club spent $145 buying 5 cases of juice and 2 cases of water. The science club spent $110 buying 4 cases of juice...

suppose an individual serving of corn is now being offered at glowing grocery and they are selling it for 0.25. How many ounces are in each of the servings?

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