need help! the length of a rectangle is two times its width. when the length is increased by 20cm and the width is decreased by 1cm, the area is 160cm^2. find the original lenth and width.
need help! the length of a rectangle is two times its width. when the length is increased by 20cm and the width is decreased by 1cm, the area is 160cm^2. find the original lenth and width.
The salary of a person was $45,000 in 2009 and $48,000 in 2001. A) find a linear equation to determine the salary y of the person in year x. B) Write the equation in...
3 watermelons and 2 cantaloupe weigh 32 pounds. 4 watermelons and 3 cantaloupes weigh 44 pounds. Assume all watermelons and all canteloupes weigh the same.
In each figure only one side of each regular pentagon is shared with another pentagon the length of each side is 1 cm if the pattern continues, what is the perimeter of a figure with 6 pentagons...
a woman earns 15% more than her husband. Together they make 69,875 per year. What is the husbands annual salary?
A projectile is fired from a cliff 941 feet above the water at inclination of 45 degrees to the horizontal, with a velocity of 610 feet per second. The h of the projectile can be modeled by h(x)...
How to populate the same information in a different cell in a table in a word document instead of copying and pasting?
Taryn was 2 times faster than Marcus when driving toward lake Murray. In fact, taryn drove the 208 miles to lake Murray in 4 hours less than it took Marcus to drive 208 miles. How fast and long did...
word problem
Zane's hamster jumped 8 times as far as Rico's hamster. The two hamsters jumped a total of 63 inches. How far did Zane's hamster jump?
My teacher taught this a little too fast and I do not understand how to do it properly. Please help!:)
Word problem A high school has 4657 students and 4657 lockers, all of which are closed. The students line up and walk one at a time down the hall that contains the lockers. The first student opens...
5b 2a + 2b 3a 1a + 3b
77 cm long is cut into three pieces such that the second piece is twice as long as the first and the third is 2 cm longer than the second. Find the length of the shorter piece.
Melissa drove at an average speed of 45 mi/h from her home in Memphis to visit her sister in Atlanta. She stayed in Atlanta 10 hours, and on the trip back averaged 60 mi/h. She returned home 43 hours...