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November 20, 2009
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Homework Help: Math

Branches of Math

Recent Homework Questions About Math

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math
Lead Contamination More than a decade ago high levels of lead in the blood put 88% of children at risk. A concerted effort was made to remove lead from the environment. In a random sample of 200 children taken more than a decade ago, what is the probability that 50 or more had...
Friday, November 20, 2009 at 4:55pm

math
How would I work this problem -6x>1/3 6*13=78 x<-1/78
Friday, November 20, 2009 at 3:37pm

math
How would I work this problem -6x>1/3
Friday, November 20, 2009 at 2:54pm

math
How would I work this problem -6x>1/3
Friday, November 20, 2009 at 2:28pm

Math Integration
i keep getting stuck and i think im missing something integrate by parts e^(bx) cos x dx thanks
Friday, November 20, 2009 at 2:04pm

math
Babe Ruth's lifetime betting averge was .343. In three times at bat, what is the prbability of the following? a. he gets three hits b. he gets no hits c. he gets at least one hit. d. he gets exactly one hit
Friday, November 20, 2009 at 12:00pm

Math
The representative tells you that floor plan #1 sells for $225,000 and floor plan #2 sells for $300,000. She also mentions that all the available houses combined are worth $10,350,000. Write an equation that illustrates this situation. Explain. Use the same variables you used ...
Friday, November 20, 2009 at 11:10am

Math
a) The sales representative informs you that there are two floor plans still available, and that there are a total of 72 houses available. Use x to represent floor plan #1 and y to represent floor plan #2. Write an equation that illustrates the situation. Explain
Friday, November 20, 2009 at 10:53am

math
solve for y? z=0.3(y-6)^2 please can you explain your working, Many thanks, Wendy. * Algebra - drwls, Friday, November 20, 2009 at 9:40am (10/3)z = (y-6)^2 y = sqrt[(10/3)z] +6 = 1.826 sqrt z + 6 * Algebra - wendy, Friday, November 20, 2009 at 9:47am I'm sorry. Really don&...
Friday, November 20, 2009 at 10:04am

Math
a) The sales representative informs you that there are two floor plans still available, and that there are a total of 72 houses available. Use x to represent floor plan #1 and y to represent floor plan #2. Write an equation that illustrates the situation. Explain
Friday, November 20, 2009 at 9:47am

Math
The perimeter of a rectangle is 220 inches. The length exceeds the width by 78 inches. Find the lenght and the width.
Friday, November 20, 2009 at 9:16am

Math
Hi. Im trying to figure out how to solve an equation for x. The equation is y=2(x-3)^2. If I were to work this out, I would have come up with the answer x=sqrt y/2 +3 but the answer is actually x=sqrt 2y/2 +3. I can't work out where the extra 2 has come from.
Friday, November 20, 2009 at 6:18am

Math
There is a point (P) on the graph of [x^2+y^2- 136 x + 12 y + 4560 = 0] and a point(Q) on the graph of [(y + 6)^2 = x^3 - 116 x^2 - 417 x + 267460] such that the distance between them is as small as possible. To solve this problem, we let ((x,y) be the coordinates of the point...
Friday, November 20, 2009 at 3:59am

Maths
There is a point (P) on the graph of [x^2+y^2- 136 x + 12 y + 4560 = 0] and a point(Q) on the graph of [(y + 6)^2 = x^3 - 116 x^2 - 417 x + 267460] such that the distance between them is as small as possible. To solve this problem, we let ((x,y) be the coordinates of the point...
Friday, November 20, 2009 at 3:59am

math
Need help with these problems please. I do not know how to break them down correctly. Thank you. 4x7+6-10 divided by 5 7-16x3 divided by 8+5 25 divided by 5x5+6-4
Friday, November 20, 2009 at 3:14am

Math
How do you show the work for this problems? (7x9)-3x6+7 8-18x2 divided by 9+5 4 divided by 2x2+7-4
Friday, November 20, 2009 at 3:10am

Math
Can anyone tell me where i can get IGCSE Extended math past papers?
Friday, November 20, 2009 at 2:19am

Mathematics for Liberal Arts
You are on a TV show. You have been asked to either play a dice game five times or accept a $50 bill. The dice game works like this: If you roll a 1, 2 or 3, you win $46. If you roll a 4 or 5, you lose $22. If you roll a 6, you lose $85. Should you play the game? Use expected ...
Friday, November 20, 2009 at 1:38am

math
The area of a triangle with base b and height h is given by the formula A = ½ bh. Find the area of a triangle when the base is 9.0 cm and the height is 6.2 cm
Friday, November 20, 2009 at 1:18am

math
my teacher asked... draw a diagram and show 2.6 divided by .4
Friday, November 20, 2009 at 1:11am

math
whats the rule about number order in multiplication
Friday, November 20, 2009 at 1:06am

math
Solve the problem. Give your answer to the nearest thousandth if necessary. A long-distance runner runs 3 miles south and then 7 miles east. How far is the runner from the starting point?
Friday, November 20, 2009 at 1:04am

math
a regular octahedron is a polyhedron with 9 faces true or false
Friday, November 20, 2009 at 12:59am

math
which basic geometric is suggested by the path made by the tip of the second hand on a running clock: a ray a circle a polygon or an agle
Friday, November 20, 2009 at 12:47am

Math/Geometry Vocab
What is the definition for INTERSECTING LINES?
Thursday, November 19, 2009 at 11:34pm

math
the question asks to integrate cos(t)/(5sin(t)+8)^2 the answer i got was xcos(t)/(5sin(t)+8)^2 i think the x is wrong but i am not sure what i am doing wrong...help please.
Thursday, November 19, 2009 at 11:23pm

math
Multiply or divide to find an equivalent fraction: 11/22
Thursday, November 19, 2009 at 11:17pm

Math 116 Algerba
The area A of a triangle with base b and height h is given by A= 1/2 bh. Find the area when b= 29m (meters) and h = 20m. The area is ?
Thursday, November 19, 2009 at 11:10pm

math
write an equation that satisifies the given conditions: perpendicular to y=-3x+7 through (3,5)
Thursday, November 19, 2009 at 10:32pm

Math
The perimeter is 100. The length is 5x +10 and the widthis 10x-1. What is the lenth and width
Thursday, November 19, 2009 at 10:26pm

math
Multiply to find an equivalent fraction: 3/10
Thursday, November 19, 2009 at 10:19pm

Math
How tall is a cylinder that has a volume o 2,123 cubic meters and a radius of 13 meters?
Thursday, November 19, 2009 at 10:19pm

math
Marcus and Allen are playing Rock/Paper/Scissors. The first one to win 10 times does not have to do the dishes. The score is now 9 to 7 in favor of Marcus. If ties are ignored and not counted, what is the probabilty Marcus will not have to do the dishes?
Thursday, November 19, 2009 at 9:28pm

math
Go to the web site for this text to find the total profit made by McDonald’s in 2002
Thursday, November 19, 2009 at 9:23pm

Math
When solving exponential equations using logarithms. How would you sold one that has a fraction as the exponent such as: x^(1/4)-81=0
Thursday, November 19, 2009 at 9:23pm

math
when making a circle graph how do you determine the number of degrees for 28%?
Thursday, November 19, 2009 at 8:25pm

Math
How do I figure: 9/15 = 12/?
Thursday, November 19, 2009 at 8:16pm

math
the total number of horses and people at a riding academy one sunday was 39.The total number of legs at the academy that day was 124.How many people were at the riding academy that sunday?
Thursday, November 19, 2009 at 8:11pm

Math
g of x=2x^2+x-10 Factor
Thursday, November 19, 2009 at 8:09pm

math/algebra
I have been asked to answer questions in parts in relation to a story problem, but I am having difficulty finding the right formulas. Did I do this right...If not, please help me and tell me where I went wrong. Part B The landscaper that maintains Mrs. Jones’ lawn charges...
Thursday, November 19, 2009 at 8:07pm

math
(3x8)+3=__x(5=4)
Thursday, November 19, 2009 at 7:23pm

Mathe/algebra...Please
I am really lost I cannot figure out which formula to use for this problem... Question:The landscaper that maintains Mrs. Jones’ lawn charges a flat fee of $30.00 for each job plus $10.00 per hour for labor. a. Translate the problem situation into an algebraic equation us...
Thursday, November 19, 2009 at 7:21pm

math
9-(5-4)=(3+0)+___
Thursday, November 19, 2009 at 7:20pm

math
3/5 divided by 6/7
Thursday, November 19, 2009 at 6:42pm

Math
There is a point (P) on the graph of [x^2+y^2- 136 x + 12 y + 4560 = 0] and a point(Q) on the graph of [(y + 6)^2 = x^3 - 116 x^2 - 417 x + 267460] such that the distance between them is as small as possible. To solve this problem, we let ((x,y) be the coordinates of the point...
Thursday, November 19, 2009 at 6:37pm

Math
DID I do this right? A homeowner wanted to improve the value of his home by putting tile flooring in three of his rooms. He researched the different types of tile and decided on two types: ceramic tile and decorative tile. He found that he could purchase the ceramic tile for $...
Thursday, November 19, 2009 at 6:31pm

math
integral x/(x+5)^1/2 (u-5)/u^1/2 du giving u^1/2 du -5u^-1/2 du and integral will be now 2/3 u^3/2 -10u^1/2 +c =2/3(x+5)^3/2 -10(x+5)^1/2 +c =2/3(x+5)^1/2{(x+5) -30} +c =2/3(x+5)^1/2{(x -25} +c have i done something wrong??
Thursday, November 19, 2009 at 6:31pm

math
integral from 5 to 0 1/(4+x^2)^1/2 this is what i have so far 1/(sq.root(4+x^2)) as (1/2) (1+y)^-(1/2) with y=(x/2)^2 The binomial series of (1+y)^a = sum_k (a,k) y^k where (a,k) is the binomial symbol. In this case a=-1/2. for some reason when i plug in the values i get the w...
Thursday, November 19, 2009 at 6:19pm

math
6.00+6.00(1+x)/(.10-x)=145.20 solve for x.
Thursday, November 19, 2009 at 6:12pm

Math
I need to know if I did this right. Below is story problem. It has questions labeled a-f. Under each lettered question, I provided an answer, but I am not confident with my outcome. Can you read it over and tell me if I did it right? If not can you steer me in the right direct...
Thursday, November 19, 2009 at 5:45pm

Maths
There is a point (P) on the graph of [x^2+y^2- 136 x + 12 y + 4560 = 0] and a point(Q) on the graph of [(y + 6)^2 = x^3 - 116 x^2 - 417 x + 267460] such that the distance between them is as small as possible. To solve this problem, we let ((x,y) be the coordinates of the point...
Thursday, November 19, 2009 at 5:41pm

math
I need to know if I did this right. Below is story problem. It has questions labeled a-f. Under each lettered question, I provided an answer, but I am not confident with my outcome. Can you read it over and tell me if I did it right? If not can you steer me in the right direct...
Thursday, November 19, 2009 at 5:36pm

Math
The perimeter of an equlateral triangle is 45 inches. A rectangle whose width is 1/3 its length has a perimeter of 48 inches. Which figure has the longest side? Explain.
Thursday, November 19, 2009 at 5:32pm

math
as tsunamis travel from the deep ocean to more shallow water, they slow down. at a dept of 1,000 meters they travel at 356 kilometers per hour. this is 400 kilometers per hour slower than their speed in deeper ocean water. how fast do tsunamis travel in deep water?
Thursday, November 19, 2009 at 4:24pm

Math
The function((x^2 + 7x + 14)^(1/2)) - x has one horizontal asymptote at y=?
Thursday, November 19, 2009 at 4:13pm

Math
How long will it take to earn $252 in interest if $1200 is invested at a 7% annual interest rate??
Thursday, November 19, 2009 at 3:43pm

Math 156
how do you solve this -absolute value -5 -(4)absolute value?
Thursday, November 19, 2009 at 3:30pm

Physics
e) Adjust the amplitude control of the function generator until the signal has a 6V peak-to-peak swing. The resultant form will have the following mathematical equation: v = Vm sin2(pi)ft = 3sing2(pi)500t f) The sinusoidal signal 3sin2(pi)500t has an effective value determined...
Thursday, November 19, 2009 at 2:35pm

math
If a polyhedron has 13 vertices and 21 faces, how many edges does it have? I just need to know if I am doing this right. v+f=e+2 13+21=34+2=36 edges.
Thursday, November 19, 2009 at 1:44pm

maths
plot the points on the grid. join them with a ruler, label your line y=x-2
Thursday, November 19, 2009 at 1:42pm

math
An arithmetic series has third term 11. The ninth term is 5 times the second term. Find the common difference.
Thursday, November 19, 2009 at 1:39pm

math
What is the probability of rolling a number such that when it is added to 5 it gives a sum less than 11?
Thursday, November 19, 2009 at 12:34pm

math
56/7=?
Thursday, November 19, 2009 at 12:02pm

math
56/7=?
Thursday, November 19, 2009 at 12:02pm

math
find the standard deviation for the given data. Round your answer to one more decimal place than original data. (9,7,13,24,32,45,47) I get 16.62041 but how do I round my answer to one or more decimal places? I am a little lost.
Thursday, November 19, 2009 at 11:54am

math
Three coins are tossed. Find the probability that no more than one coin lands heads up.
Thursday, November 19, 2009 at 11:49am

math
A tie pin which sells for $200.00 has a markup rate of 30% on the selling price. Find the amount of the markup and the cost.
Thursday, November 19, 2009 at 11:11am

maths
im trying to rearrange the following equation for x but getting confused because of the brackets and squares. I understand the process of changing the subject but on more simple equations. Please can you help me. Here's the equation y = 3(x+5)^2
Thursday, November 19, 2009 at 11:01am

math
A coat was reduced from $250 to $200. Find the percent of the reduction in price. 1.25 0.8 20 25
Thursday, November 19, 2009 at 10:45am

math
A box contains five blue, eight green, and three yellow marbles. If a marble is selected at random, what is the probability that it is yellow? 1 3/16 3/8 1/3
Thursday, November 19, 2009 at 10:44am

math
In a shop there are 20 customers, 18 of whom will make a purchase. If three customers are selected, one at a time, at random, what is the probability that all will make a purchase? 0.7717 0.7157 0.8524 0.8808
Thursday, November 19, 2009 at 10:43am

math
A theater group made appearances in two states. The hotel charges before tax in the second state were $1000 lower than in the first. The tax on the hotel bill was 4% in the first state and 9% in the second. After the trip, the total tax paid on accommodation expenses was $560 ...
Wednesday, November 18, 2009 at 11:33pm

college math
a pair of dice are rolled and the sum is recorded. What is the probability that the sum shown is 8 given that one die is showing 5? Is this done correctly? P(8|5)=1/6 x 1/6= 1/36 I really just want to make sure I have done this the right way!
Wednesday, November 18, 2009 at 11:22pm

college math
Can someone just tell me the formula to use for this problem? Jack is taking a four item true/false test. He decides to flip a coin to answer. What is the probablility he gets a perfect score? What is the probablility on a 10 question test?
Wednesday, November 18, 2009 at 11:20pm

math
Could someone please tell me if I am on track with my answer? Jack is taking a four-item true-false test. He has no knowledge about the subject of the test and decides to flip a coin to answer the items. What is the probability that he receives a perfect score? What is the pro...
Wednesday, November 18, 2009 at 10:57pm

math
How many triangles are formed in a regular polygon with 13 sides?
Wednesday, November 18, 2009 at 10:00pm

math
I have a question in my math class in college. Here is the question, but I just need help on HOW to answer it. My text isn't clear at all. A box contains 2 black balls and 3 gold balls. 2 balls are randomly drawn in succession. a.if there is no replacement, what is the pro...
Wednesday, November 18, 2009 at 9:34pm

math
How many different sequences of 4 digits are possible if the first digit must be 3, 4, or 5 and if the sequence may not end in 000? Repetition of digits is allowed. A) 2000 B) 2997 C) 2999 D) 1512
Wednesday, November 18, 2009 at 9:28pm

8th grade math
How do i do the multi-step equation, 2(7+x)=22?
Wednesday, November 18, 2009 at 9:09pm

math
vector a is 8 ft., vector b is 2 ft, and theta is at 41 degrees. find the resultant and the direction. I drew a diagram that shows a connecting with b (head to tail), and they make the 41 degrees. I use law of cosines and got about 6ft, which doesn't sound right to me. my ...
Wednesday, November 18, 2009 at 8:52pm

Math
Of the 43 US presidents, 15 were elected to serve two terms. What fraction, in simplest form, was elected to serve two terms???????
Wednesday, November 18, 2009 at 8:40pm

Math
I am stumped...please help...I'm not sure what they are talking about with P (A and B) = 0 If P(A) = 2/3, P(B) = 1/6, and P(A and B) = 0, what can you say about P (A or B)?
Wednesday, November 18, 2009 at 8:38pm

Math
I need help with an inverse function. If f(x)=3-x, I find the inverse function to be: x=3-y which is the same as y=3-x, same as the original. How can this be?
Wednesday, November 18, 2009 at 8:34pm

8th grande transition algebra
well, i am doing a math crossword puzzle on linear equations. I really need some help. here are the questions: what is Ax+By+C called? what are numbers used to graph a point? what is not a straight line? where does a line pass threoug the x-axes? what is the y values in a set ...
Wednesday, November 18, 2009 at 8:30pm

math
define slope
Wednesday, November 18, 2009 at 8:15pm

math
26. Using only divisibility tests, explain whether 6,868,395 is divisible by 15.
Wednesday, November 18, 2009 at 8:13pm

math
2. Using divisibility tests, answer each of the following: a. There are 1379 children signed up to play in a baseball league. If exactly 9 players are to be placed on each team, will any team be short of players? b. A forester has 43,682 seedlings to be planted. Can these be p...
Wednesday, November 18, 2009 at 8:10pm

math
why does 3/9+6/9=6/9+3/9
Wednesday, November 18, 2009 at 8:04pm

Math...Please help I need this done by 6:00
This was the question: Explain why the formula for determining slope using the coordinates of two points does not apply to vertical lines. The formula for determining a slope using two points does not apply to vertical lines simply because dividing by 0 is not allowed…und...
Wednesday, November 18, 2009 at 8:00pm

math
42. Hosni gave the following argument that 2(a 1 b) 5 2a 1 2b, for all integers a and b. If the argument is correct, supply the missing reasons. If it is incorrect, explain why not. -a (b+a)= (-1)(a+b) = (-1)a+ (-1) b = a+ -b
Wednesday, November 18, 2009 at 7:57pm

Math...
Matilda is planning a walk around the perimeter of Wedge Park, which is shaped like a circular wedge. The walk around the park is 2.1 miles, and the park has an area of 0.25 square miles. If θ is less than 90 degrees, what is the value of the radius.
Wednesday, November 18, 2009 at 7:51pm

French
From the list of occupations, I picked my top 5 favourite, and they were, 1. journaliste 2. Professeur 3. Dentiste 4. Cuisinière 5. infirmière My next task is- For each of your top five career choices in Activity 9, determine what 3 classes in high school you mig...
Wednesday, November 18, 2009 at 7:50pm

math
For which integers a, b, c does a 2 b 2 c 5 a 2 (b 2 c)? Justify your answer.
Wednesday, November 18, 2009 at 7:50pm

math
This was the question: Explain why the formula for determining slope using the coordinates of two points does not apply to vertical lines. The formula for determining a slope using two points does not apply to vertical lines simply because dividing by 0 is not allowed…und...
Wednesday, November 18, 2009 at 7:41pm

math
On a 14-day vacation, Glenn increased his caloric intake by 1500 calories per day. He also worked out more than usual by swimming 2 hr a day. Swimming burns 666 calories per hour, and a net gain of 3500 calories adds 1 lb of weight. Did Glenn gain at least 1 lb during his vaca...
Wednesday, November 18, 2009 at 7:40pm

MATH ANALYSIS
how would you minimize this: ln 10- ln 5- 1/3ln 8?
Wednesday, November 18, 2009 at 7:26pm

math
thanks bob and nathon
Wednesday, November 18, 2009 at 7:23pm

math,
3/4 is= to something over 12
Wednesday, November 18, 2009 at 7:20pm

math
thanks mrs.sue
Wednesday, November 18, 2009 at 7:18pm

math
620m=___km 900km=___m ___cm=13km ____km=562,300cm
Wednesday, November 18, 2009 at 7:15pm

math
90,050mL=____L please help i forgot how to do
Wednesday, November 18, 2009 at 7:11pm

math
This was the question : Explain why the formula for determining slope using the coordinates of two points does not apply to vertical lines. This is my answer:The formula for determining a slope using two points does not apply to vertical lines simply because dividing by 0 is n...
Wednesday, November 18, 2009 at 7:09pm

math
when c=4 what is the value of the expression 72/c?
Wednesday, November 18, 2009 at 6:59pm

math /algebra
This was the : Explain why the formula for determining slope using the coordinates of two points does not apply to vertical lines. This is my answer:The formula for determining a slope using two points does not apply to vertical lines simply because dividing by 0 is not allowe...
Wednesday, November 18, 2009 at 6:53pm

math
ryan left the science museum and drove south gabriel left three hours later driving 42mph faster in s effort to catch up. after 2 hours gabriel finally caught up. find ryans speed
Wednesday, November 18, 2009 at 6:35pm

math
What is a positive relationship in math
Wednesday, November 18, 2009 at 6:25pm

Math
I am stumped...please help...I'm not sure what they are talking about with P (A and B) = 0 If P(A) = 2/3, P(B) = 1/6, and P(A and B) = 0, what can you say about P (A or B)?
Wednesday, November 18, 2009 at 6:12pm

Math
The graph of the cosine function is the same as the graph of the sine function but translated: a) 90 degrees to the right b) 90 degrees to the left c) 180 degrees to the right d) 180 degrees to the left I was thinking it could a) and b) but there can only be one answer. Could ...
Wednesday, November 18, 2009 at 5:49pm

math
Find the distance between the two points. Round an approximate result to the nearest hundredth. (-1, -1) and (3, -7) A) 7.21 B) 26 C) 6.93 D) 24 i dont know if i am doing something wrong but i keep getting the answer of 2
Wednesday, November 18, 2009 at 5:32pm

Math
In a family with two children, what are the probabilities of the following outcomes, assuming that the birth of boys and girls is equally likely? a. Both are boys. b. The first is a girl and the second a boy. c. Neither is a girl. d. At least one is a girl. I was wondering abo...
Wednesday, November 18, 2009 at 5:32pm

math
285/1.2
Wednesday, November 18, 2009 at 5:31pm

math
Find the z-score for the given raw score, mean, and standard deviation. Assume a normal probability distribution. Raw score = 124, μ = 98, and o = 17 A) 0.65 B) -1.53 C) -0.65 D) 1.53
Wednesday, November 18, 2009 at 5:29pm

math
54m=___cm..please help me refresh my memory on this i forgot how to change this sentence 54 m =___ cm
Wednesday, November 18, 2009 at 5:19pm

math
what does this mean tell whether x and y have a positive relationship a negative relationship or no relationship
Wednesday, November 18, 2009 at 5:07pm

Math /Algebra
I was challenged with this question: Explain why the formula for determining slope using the coordinated of two points does not apply to vertical lines. This was my answer: The formula for determining a slope using two points does not apply to vertical lines simply because it ...
Wednesday, November 18, 2009 at 5:06pm

Math
A cable 84 meters long is cute into two pieces so that one piece 18 meters longer than the other. find the lenth of each piece of cable.
Wednesday, November 18, 2009 at 5:05pm

math
How to find a number sentence other than 10989 x 9 = 98901 that is the same when you read its digits from either direction
Wednesday, November 18, 2009 at 4:59pm

Math
Write the slope intercept form of an equation for the line that passes thru (5,3) and is parallel to x+3y=6 . Please help me solve!!!!!!!!!!
Wednesday, November 18, 2009 at 4:56pm

MATH
The following scores on the midterm exam in Chemistry 102 were recorded: 93 81 59 69 82 73 61 77 95 84 88 71 86 97 63 72 89 80 60 98 91 62 78 83 76 81 94 66 83 96 Find the interquartile range (IQR). I FORGET HOW TO DO THIS
Wednesday, November 18, 2009 at 4:39pm

math
The Probability that Jodi makes a basket when playing basketball is .50, Jamal’s probability is .80 and Pat’s is .75. What is the probability that all three make a basket?
Wednesday, November 18, 2009 at 4:10pm

math
can you tell how do you do an array for 323
Wednesday, November 18, 2009 at 3:53pm

math
The Probability that Jodi makes a basket when playing basketball is .50, Jamal’s probability is .80 and Pat’s is .75. What is the probability that all three make a basket?
Wednesday, November 18, 2009 at 3:23pm

math
There are thirty-five (35) members in the Kalamazoo Travel Club. Four (4) people will be chosen to win a vacation. How many ways can the four (4) be chosen if one will win a trip to Grand Rapids, Michigan, one will win a trip to Detroit, Michigan, one to England and the last o...
Wednesday, November 18, 2009 at 3:12pm

math
a resturaunt has three job openings, dishwasher paying $5 per hour, chef paying $10 per hour, and assistant manager at $15 an hour. Twelve people apply for all three. How many ways can the new employees be hired?
Wednesday, November 18, 2009 at 3:10pm

math
how do i find the local extrema for this graph. f(x)= x(e^x)
Wednesday, November 18, 2009 at 1:19pm

Math
How do you make 89 cents out of 5 coins?
Wednesday, November 18, 2009 at 12:13pm

math
The sum of the first four terms of a G.P.is 30 and that of the last four terms is 960. If the first and the last term of the G.P. are 2 and 512 respectively, find the the common ratio.
Wednesday, November 18, 2009 at 10:52am

math
Find the slope of the line passing through the points (0, -4) and (-6, 7).
Wednesday, November 18, 2009 at 10:32am

math
The amount of revenue a company makes per day by selling x items is given by the function f(x) = 14x - 0.2x2. How many items should be sold if the company wants to maximize their profit?
Wednesday, November 18, 2009 at 10:24am

math
marc bought bananas, apples, and peaches. He bought twice as many lbs of bananas as apples, he bought 2 lbs more of apples than peaches and bought 3 lbs of peaches. How many total lbs of friuts did he buy?
Wednesday, November 18, 2009 at 12:04am

math
Im greater than 99 but less than 1000, two of my digits that are not next to each other are the same, my tenth digit can't be greater and is more than my hundreths digit. What number am I?
Tuesday, November 17, 2009 at 11:58pm

bio but acting more like math
okay I am converting some measurements and is 30.16 mm larger or smaller than 27 mm? and then 22.2 mm is larger or smaller than 20.64 mm?
Tuesday, November 17, 2009 at 10:46pm

geometry
do you know how to unscramlbe MATH words
Tuesday, November 17, 2009 at 10:37pm

math
Which measure best represents data... mean, median or mode? Thank you!! :) 1234
Tuesday, November 17, 2009 at 8:46pm

math
1/8b=5
Tuesday, November 17, 2009 at 8:40pm

Math
"Mr. Macho, my great dane, ate 125 hotdogs over a five-day period. Each day he atee seven more hot dogs than on the previous day. How many hot dogs did he eat on the first day?" I got 55 hot dogs. Is this right??
Tuesday, November 17, 2009 at 8:31pm

Mathematics
Eggs cost 90 cents a dozen. Peppers cost 20 cents each An omelette consist of 3 eggs and a quarter pepper what is the cost of ingredients for 8 omelets SHOW ALL WORKING
Tuesday, November 17, 2009 at 8:30pm

math
Is 1/4 of 12 greater than 1/4 of 8? Explain.
Tuesday, November 17, 2009 at 8:27pm

Math
Is this correct? 7x4-(4%2)=26 are the perenthyses in the right places?
Tuesday, November 17, 2009 at 8:18pm

math
Juice boxes are sold in packs of 6. Tony brought 5 packs of juice boxes to a party, and Victor brought 4 packs. How many juice boxes are there at the party altogether?
Tuesday, November 17, 2009 at 8:09pm

Math
Lisa needs to make 2 times as many tuna as cheese sandwiches and 4 times as many ham as cheese sandwiches. If Lisa makes 56 sandwiches, how many of each of the 3 kinds will she make?
Tuesday, November 17, 2009 at 8:04pm

Math
Everyone in Mrs.Bowman's art class has 8 jars of paint except Jerome, who has 10. There are 74 jars of paint in the room. How many students are there in Mrs. Bowman's art class.
Tuesday, November 17, 2009 at 8:00pm

math
can some one remind me how to do the multiplication of 3(1/2) times 5(4/7.
Tuesday, November 17, 2009 at 8:00pm

5th grade Math
If a number has an odd number of factors, why can the number always be represented by the expression n2?
Tuesday, November 17, 2009 at 7:52pm

math
For fall festival, Mrs. Marco bought 6 bags of Golden Delicious apples. She handed out 43 apples and had 5 left over. How many apples were in each bag.
Tuesday, November 17, 2009 at 7:50pm

math
Whiche measure best represents data( in my case salaries) mean, median or mode? Thanks
Tuesday, November 17, 2009 at 7:34pm

math
do you know place value division
Tuesday, November 17, 2009 at 7:17pm

math
(transforming Coordinates) I do not understand what a translation is that moves the coordinates of an image to two differents points on a x and y axis
Tuesday, November 17, 2009 at 7:08pm

Math
If a circle has the radius of 6 and it is at the orgin, what are seven points on the circle. I already have four and I need three more. So far I have, (6,0) (0,6) (0,-6) and (-6,0). What am I missing. I also can't write any decimals for the points, but it can be expressed...
Tuesday, November 17, 2009 at 7:03pm

Math
How do you put 3/4 in to tenths
Tuesday, November 17, 2009 at 7:01pm

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