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Algebra: Average

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Question 1417: Find the geometric mean of the two numbers 5 and 15. Leave answer in simplest radical form.
Click here to see answer by usyim88hk(157)

Question 1822: shawn needs to have a 90% average for his exam grade to make an A for the quarter there are three tests in the quarter and his first two exams percentage were 91%,87% what score must he get on the third exam to obtain a 90% average?
Click here to see answer by longjonsilver(2297)

Question 2921: what is the geometric mean of 5 and 15?
Click here to see answer by Pieter(35)

Question 7269: i dont get how you do this problem;5+(-2).
Click here to see answer by bonster(299)

Question 7577: To be a Registered nurse, do you have to know math very well?
Click here to see answer by ichudov(404)

Question 7577: To be a Registered nurse, do you have to know math very well?
Click here to see answer by prince_abubu(198)

Question 7928: How do you find the average of a set of numbers?
Click here to see answer by Earlsdon(4900)

Question 8834: At noon, one ship sails north from Castaway Island at 15 knots and another ship sails east at 20 knots. (A knot is a nautical mph.) How far apart will the ships be at 2:00 p.m.?
Click here to see answer by Abbey(339)

Question 9236: sixteen is 25% of what number?(the possibilites are...4, 64, 40, or all of these)
Click here to see answer by lucky83(12)

Question 9230: The ratio of spaniels to poodles at the dog show was 5 to 7.If there were 35 spaniels at the dog show, how many poodles were there?(the possibilities are.........35, 49, 25, or none of these)
Click here to see answer by askmemath(368)

Question 9241: 18w=9square(the possibilites are 4 1/2, 5 1/9, 1, or none of these)
Click here to see answer by DWL(56)

Question 9240: (-3)+(-5)= the possibilites are..........8, -2, -8,&2
Click here to see answer by DWL(56)

Question 9239: -10+(+3)= the possibilites are.........7, -13, -7, 13
Click here to see answer by DWL(56)

Question 9231: A standard limousine will carry 6 adults.If 85 students want to take limousines to their junior-senior banquet,how many must they reseve?(the possibilities are 14, 16, 15,or none of these)
Click here to see answer by DWL(56)

Question 9234: each edge of the cube is 3cm.What is the volume of the cube?(the possibilites are....6cm., 9cm., 27cm., or none of these)
Click here to see answer by bonster(299)

Question 9305: 4(x+1)
Click here to see answer by rapaljer(3625)

Question 9235: (+36)divided by (-6)=(the possibilites are..........-6, 6, 30, or -30)
Click here to see answer by DWL(56)

Question 9204: critical thinking. find a value for a such that (x)=x+a has exactly one solution.
i hope you can help me out please.
Click here to see answer by ehku(5)

Question 9349: I need help in figuring out this problem
A Child walks along a river bank and a friend rafts on the river. The rafting friend starts from the same point as the walker but leaves an hour later. If the walker's speed is 3mph and the rafter's speed is 9 mph, how far will they have traveled before the rafter catches up to the walker?
Click here to see answer by ehku(5)

Question 9363: I need help in figuring out this problem
A Child walks along a river bank and a friend rafts on the river. The rafting friend starts from the same point as the walker but leaves an hour later. If the walker's speed is 3mph and the rafter's speed is 9 mph, how far will they have traveled before the rafter catches up to the walker?
Click here to see answer by glabow(165)

Question 9394: What is a rational number and how do you find one? Break the steps down for me.
Click here to see answer by longjonsilver(2297)

Question 9237: (-7)x(+3)=(the possibilites are..........-4, -21, -10, or 4)
Click here to see answer by rapaljer(3625)

Question 9838: I am a two digit number. My ones and tens digits are the same. The sum of my digits is 8. What number am I?
Click here to see answer by rapaljer(3625)

Question 10347: (n+2 divided by 2) + (n+1 divided 6)
Click here to see answer by arunpaul(104)

Question 10791: how do you find the average?for example, On the girl's basketball team,the starting players are 6ft-1in,6ft,5ft-8in,5ft-7in,and 5ft-5in.What is their average height? covert 1.)all into one unit 2)add all the given then divided it to the number of given.
6.08+6+5.66+5.58+5.42= 28.71ft/5= 5.748ft or 5ft-9in is the ave height
Click here to see answer by rocky11ph@yahoo.com(5)

Question 10790: how do you find the average?for example, On the girl's basketball team,the starting players are 6ft-1in,6ft,5ft-8in,5ft-7in,and 5ft-5in.What is their average height?

Click here to see answer by WannabeCAgirl83(35)

Question 13786: I am having trouble with Rational Expressions, adding and subtracting and I'm not good on the computer, my question in 5x + 4 - 2x +7 over x-1 x-1
i think u question is some thing like this
(5x-2x+11)/(X-1)^2
if this is u r question send it to me back
i will wait for u

Click here to see answer by baigshahib(11)

Question 13757: what is the solution for this equation?
|2X-3|=5
Click here to see answer by rahman(247)

Question 13837: what is the average of 7,11,3?
Click here to see answer by lilmomo(3)

Question 13837: what is the average of 7,11,3?
Click here to see answer by 360795(1)

Question 14302: d=s+0.05s sq .Find d if s=30 .Find d if s=60
Click here to see answer by elima(1433)

Question 14441: hi can u please help me with this question...i have had a go at it and im not sure if i am right.
it says: use the rule y= 3x squared minus 10 to complete the table...then it says
x and y y is left a blank column which i have to figure out.
2
1
0
10
5
my answers were
x y
2 24
1 3
0 0
10 1000
5 375

any help with this is muchly appreciated
thank you
Click here to see answer by venugopalramana(3286)

Question 14440: hello can you please help me solve this question
it says substitute a= -2 and b= -1 to find the value of the expression
2b squared minus a squared...sorry if how i explained it insnt understandable.
thank you
Click here to see answer by elima(1433)

Question 14577: Find the vale of x that makes the median the given number:
2,5,4,9,7,x median 6
Click here to see answer by Alwayscheerful(414)

Question 14438: hi can you please help me with this question...it says:
substitute a=-12 and b=-2 to find the value of this expression
2(a-5b)
thank you
Click here to see answer by queenbuc(2)

Question 15117: How do you do this problem? 7g+7=4g-2
Click here to see answer by jb007mi6(53)

Question 15383: Please help me solve this problem:
(((10a^2+22a+4))).
Click here to see answer by rapaljer(3625)

Question 16867: If n x 3.82 is about 120, what is a reasonable estimate for n?
(I am just starting on algebra, and need to see if I am doing this right, thank you)
Click here to see answer by piglet162431(90)

Question 18509: could anyone please help me solove this ?, i asked me teacher to help me out with it but hes no help. In the back of the book the answer is 1/6, but i have no idea how to get to the step of solving it.
5 -(2y)6+7(6)=15(3)
Click here to see answer by askmemath(368)

Question 19205: The nut house sells walnuts for $4 a pound and cashew for $7 a pound. how many pounds of cashews shound be mixed with 10 pounds of walnuts to obtain a mixture htat sells for $5.5 a pound?
Click here to see answer by Paul(988)

Question 20068: explain how you would decide whether the product of three numbers is positive or negative
Click here to see answer by pwac(251)

Question 20066: explain how you would decide whether the product of three numbers is positive or negative
Click here to see answer by gsmani_iyer(161)

Question 20595: 41 F equals how many degrees Celsius?

How many cubic feet are in 3 cubic yards?
Click here to see answer by sysadi(4)

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