What is the value of a in the equation 81b = (a^4)(b) ?
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A rectangular pool measures 5 yd by 6 yd. A concrete deck of uniform width is constructed around the pool. The deck and pool together cover an area of 72 yds². How wide is the deck?
A rectangle has a length of 15 less than 6 times its width. Find the length and width, if it has an area of 561 ?
A metallurgist has one alloy containing 26% aluminum and another containing 60% aluminum. How many pounds of each alloy must he use to make 52 pounds of a third alloy containing 40% aluminum?
Two planes just took off from Boston, MA. The first plane is traveling 3 times as fast as the second plane. After traveling in the same direction for 2 hours, they are 396 miles apart. What is the average speed of each plane? (Hint: Since they are traveling in the same direction, the distance between them will be the difference of their distances.)
The length of a rectangle is 7 inches longer than the width the perimeter is between 29 and 40 inches.
A. Write the width as a compound inequality and then graph the results B. Write the length as a compound inequality and then graph the results
A fisherman can row upstream at 4 mph and downstream at 6 mph. He started rowing upstream until he got tired and then rowed downstream to his starting point. How far did the fisherman row if the entire trip took 5 hours?
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