Problem 46
Think About It When the height of a triangle doubles, does the area of the triangle double? Explain.
Problem 46
Weight Loss You want to lose an average of 4 pounds per month on a new weight loss program. In the first 3 months, you lost 3 pounds, 7 pounds, and 4 pounds. How much weight must you lose during the fourth month to maintain an average weight loss of 4 pounds per month?
Problem 47
Think About It When the radius of a circle doubles, does its circumference double? Does its area double? Explain.
Problem 49
Solve the equation. Round your answer to two decimal places. $$5.6=1.1 x-1.2$$
Problem 50
Amount of Fuel A tractor requires 4 gallons of diesel fuel to plow for 90 minutes. How many gallons of fuel would be required to plow for 8 hours?
Problem 51
Translate the verbal statement into a linear inequality. \(x\) is greater than 0 and less than or equal to 6 .
Problem 54
Geometry You are asked to cut a 12 -foot board into 3 pieces. Two pieces are to have the same length and the third is to be twice as long as the others. How long are the pieces?
Problem 55
Ticket Sales Tickets for a community theater cost \(\$ 10\) for each main floor seat and \(\$ 8\) for each balcony seat. There are 400 seats on the main floor, and these seats were sold out for the evening performance. The total revenue from ticket sales was \(\$ 5200\). How many balcony seats were sold?
Problem 62
Solve the equation. Round your answer to two decimal places. $$\frac{x}{4.08}+7.2=5.14$$
Problem 62
Determine whether each value of \(x\) is a solution of the inequality. \(9-(x+3) \leq 10\) (a) \(x=-4\) (b) \(x=4\) (c) \(x=0\) (d) \(x=-6\)