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Question 384604: the length of a rectangle is 8cm more than its width. If the area of the rectangle is 90 cm2,find the dimensions.

lockhart_barbara@sbcglobal.net
Click here to see answer by solver91311(17077)

Question 385017: what is the process of finding two consecutive odd integers whose sum is -56, two consecutive even numbers whose sum is 41, and three consecutive integers whose sum is -51
Click here to see answer by richard1234(5390)

Question 385160: Christiana and Marlena opened their first savings accounts on the same day. Christiana opened her account $50 and plans to deposit $10 every month. Marlena opened her account with $30 and plans to deposit $15 every month. After how mnay months will their two accounts have the same amount of money? What will that amount be?
Click here to see answer by ankor@dixie-net.com(15746)

Question 385869: i need help on finding the average of 27 and 45?
Click here to see answer by richard1234(5390)

Question 385860: what is x and y for 5x+4y=73 and -4x+4y=-8
Click here to see answer by robertb(4012)

Question 386364: Solve the system by elimination: 2y - 6x = -8, y = -5x + 12
Click here to see answer by mananth(12270)

Question 386367: What would be the slope of a horizontal line on the graph going across the y-intercept of 3?
Click here to see answer by robertb(4012)

Question 386596: i have a 73% in my english class, on the lab i got a 90%, the lab is worth 25% of my grade so what will my grade be once my teacher adds in the lab?
Click here to see answer by ewatrrr(10682)

Question 387085: A PURSE CONTAINS $2.45 IN NICKLES AND DIMES. IF THERE ARE 32 COINS ALL TOGETHER USE ALGEBRA TO FIND HOW MANY NICKLES ARE IN THE PURSE.
Click here to see answer by Fombitz(13828)

Question 387082: IT WOULD TAKE BETSEY 4 HOURS TO CLEAN HER ROOM. HER MOM COULD DO IT IN 2 HOURS. USE ALGEBRA TO FIND HOW LONG IT WOULD TAKE THEM WORKING TOGETHER?
Click here to see answer by josmiceli(9817)

Question 387522: I have a percent 91% on first test and 87% on second test and 86% on third test what average percent should I receive of the fourth and fifth test to receive a 95%
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Question 387612: my question is on integers is -1 < 6 and what is greater -0.02<-0.025
Click here to see answer by Edwin McCravy(8999)

Question 388679: Jim has gotten scores of 100 and 79 on his first two tests. What score must he get on his third test to keep an average of 80 or better?
Click here to see answer by richard1234(5390)

Question 388695: Mike, Ron, Debra, and Susie divided a $47 refund so that Mike and Ron together got $27, Mike and Debra got $25, and Mike and Susie got $23. How much did Debra get?
Click here to see answer by Jk22(389)

Question 388696: the average weight of 5-man Freshman basketball team was thought to be 60 kg. However, a mistake was made-- one of the weights was written down wrong. Once the mistake was found, and that one weight was changed to the right value of 80 kg, the correct average turned out to be 70 kg. What was the mistaken value? That is, what was written down at first instead of 80 kg?
Click here to see answer by mananth(12270)

Question 389012: 1. A full bathtub will empty at an average rate of 10 minutes. It will fill up to full at an average rate of 8 minutes if the plug is in. How long will it take to fill up to full if the plug is removed and the tap is turned on?

Click here to see answer by mananth(12270)

Question 389013: A cook uses fifteen 2-kg bottles of cooking-oil over a 4-week period. If he decides to buy 5-kg tins of oil instead, how many tins of cooking oil will he use over a 10-week period if the rate of using it remains unchanged?

Click here to see answer by jerryguo41(162)

Question 389315: IF Freddy received an 83, 76, 70, 86,and 68 on his first 5 math test; what grade does he need to get pn the sixth test to make his average exactly 80
Click here to see answer by mananth(12270)

Question 389736: What is x when 2(1-4x)equals 2
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Question 389736: What is x when 2(1-4x)equals 2
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Question 389815: Ticket prices were on sale from $7.50 to $4.00. What is the percent of decrease rounded to the nearest tenth?

Click here to see answer by rfer(12730)

Question 390315: a student scores 85 79 92 100 on her math quizzes
what was her average grade?
Click here to see answer by stanbon(57967)

Question 390689: One number is represented by 3x + 5 and another is represented by 7x - 3.
What is the average of these numbers in terms of x ?
Click here to see answer by solver91311(17077)

Question 390680: what is 9.005 as a fraction in Simples form??

Click here to see answer by checkley79(3056)

Question 390696: when you are talking about mean median and mode, what does it mean to have a frequency of something? does it mean how many times a sertain muber is used?
Click here to see answer by Edwin McCravy(8999)

Question 390787: what is 80 and 78 averaged together
Click here to see answer by stanbon(57967)

Question 390787: what is 80 and 78 averaged together
Click here to see answer by mananth(12270)

Question 390957: 9a^2 - 64b^2 Factor each polynomial
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Question 391076: One number is represented by 3x+5 and another is represented by 7x-3. What is the average of these numbers in terms of x?
a. 10x+1
b. (10x+8)/2
c. 5x+1
d. 5x
Please explain your reasoning and/or show your work (I am really confused about this, so I need all the help I can get! Thanks!)
Click here to see answer by solver91311(17077)

Question 391180: Justin has an average of 94 in math, based on five test scores. He needs a 93 average to get an "A". What grade must he get on his last test in order to get an "A"? Round to the nearest whole number, if necessary.
Click here to see answer by josmiceli(9817)

Question 391587: A white-tailed deer is running from a black bear at 20 mph. It is 1/3 mile in front of the bear. The bear is running at 30 mph. How long will it take the bear to catch the deer? Assume both continue running at the same pace.
Click here to see answer by stanbon(57967)

Question 391945: Reduce (3)/(x+1)+ (2)/(x-1) to lowest terms.

Click here to see answer by ewatrrr(10682)

Question 392076: Yoshi's yogurt contains 15 calories per ounce. How many calories are in an 8 ounce container of Yoshi's yogurt?
Click here to see answer by stanbon(57967)

Question 392104: Soybean meal is 14% protein; cornmeal is 7% protein. How many pounds of each should be mixed together in order to get 280-lb mixture that is 10% protein?
Click here to see answer by mananth(12270)

Question 392385: how do I add -61 + (-34)
Click here to see answer by rfer(12730)

Question 392378: how do I perform the indicated operation of -2-(-25)
--------
-4-(-4)
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Question 392379: How do I find the reciprocal of 1/2(10-5)

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Question 392381: I'm having trouble, multiply (-7.8)(8)(-4)
Click here to see answer by rfer(12730)

Question 393129: write the quadratic equation which has 7 and -3 as its roots
Click here to see answer by Edwin McCravy(8999)

Question 393427: I got an average score of 80 on two tests. What score must I get on the third test so that my average score for the three tests is the same as the average score for the first two tests?
Click here to see answer by edjones(7569)

Question 393485: Use what you know about multiplying by powers of 10 and the Commutative and Asssociative Properties of Multiplication to find the product. Write the answer in scientific notation.
(3 x 10^2)(2 x 10^3)
Click here to see answer by neatmath(300)

Question 393491: Use what you know about multiplying by powers of 10 and the Commutative and Asssociative Properties of Multiplication to find the product. Write the answer in scientific notation.
(6 x 10^3)(8 x 10^5)
Click here to see answer by rfer(12730)

Question 393529: State is 0.1 is written in scientific notation. If not, write it in scientific notation.
Click here to see answer by stanbon(57967)

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