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Question 35143: How many different dgsled teams of 6 dogs can be made from a group of 16 dogs.
Click here to see answer by fractalier(2101)

Question 37573: factor by grouping with complete solution
1. x² - y² - x –y
2. x³ - y³ - x² + 2xy – y²
3. x² + xy – 2y² - x³ + y³
Click here to see answer by venugopalramana(3286)

Question 37881: Help please...Evalute the function for the value specified- you need to arrive at a final numerical answer for each part...
f(x)=x2-7+10
A)f(0)
B)f(5)
C f(-2)
Click here to see answer by junior403(76)

Question 28331: Amountain bike is on sale for 20% off.The regular price is $99.95. About how is the discount?
Click here to see answer by fractalier(2101)

Question 38112: __________ LINES ARE LINES THAT FORM RIGHT ANGLES
Click here to see answer by fractalier(2101)

Question 38125: _________________ LINES ARE ALWAYS THE SAME DISTANCE APART AND DO NOT INTERSECT
Click here to see answer by ilana(307)

Question 38124: _________ LINES ARE LINES THAT FORM RIGHT ANGLES
Click here to see answer by ilana(307)

Question 35142: Evacute. this is a combination problem.
5C3 x 12C10/11C7
combination method is nCr and the problem above is in nCr form.
Click here to see answer by fractalier(2101)

Question 38310: Please help! I am helping my daughter review for a test from a review guide. not having a formula to check answers I'm not sure if she did it correctly here is one of the problems.
combining like terms and write in standard form
(4xthird power+2x-3xsq+1)+(2xthird pr-5x+2)

I came up w/ 6third power-3xsq+7x+3
Click here to see answer by ilana(307)

Question 38327: Last problem for study guide
factor each expression
m^2-4m-21 she has an answer of -7m^2+ -3m
very confused since she does not have her work shown
Click here to see answer by stanbon(57342)

Question 38326: trying to just double check the rest of my daughters review
foiling expressions

(x+3)(x^2+3x-2) I came up with 3x^4+3-2
It does not sound right but I tried the answer my daughter has is 3x^2+3-2
Click here to see answer by stanbon(57342)

Question 15655: what is the number factorization for 180
Click here to see answer by fractalier(2101)

Question 38797: 24 1/3 X 8 1/3 (/) 3 1/3
Click here to see answer by checkley71(8403)

Question 38865:

Click here to see answer by Seneca(1)

Question 38869:
= x+3
is it right?
Click here to see answer by Earlsdon(6287)

Question 38888:
Click here to see answer by longjonsilver(2297)

Question 38868:
the answer i got is 14, but my teacher said i got wrong.....:(
Click here to see answer by longjonsilver(2297)

Question 38864:
Click here to see answer by fractalier(2101)

Question 38945: I have been trying to figure out this problem and I keep coming up with the wrong answer. I believe I am doing the formula right but even
my husband can't come up with the right answer. Please help and Thank you.
cindy
Click here to see answer by Earlsdon(6287)

Question 39260: Assume that a ball is thrown vertically upward with initial velocity of 96ft per second. The distance s(t) (in feet) of the ball from the ground after t seconds is .
a) at what instant will it be back at the ground level?
b) for what time interval is the ball more than 384ft above the ground?

Click here to see answer by Nate(3500)

Question 39354: a 16 foot guywire reaches from the top of a pole to a point on the ground 9 feet from the bottom of the pole?

Click here to see answer by checkley71(8403)

Question 39355: rationalize the denominator

and

Click here to see answer by Nate(3500)

Question 39785: There are 9 golf balls in total. One of the others and you need to figure out which one is it.
You can only use the scale twice.
How do you figure which golf ball is the heavy one.
I REALLY NEED HELP ONTHIS QUESTION, I WILL GET BONUS MARKS FOR THIS QUESTION ON THE TEST.
Click here to see answer by stanbon(57342)

Question 39895: sin x=1/4 and 0 < (or equal to) x < (or equal to) pie/2, the cos x=?
1. square root 7/ 4
2. Square root 15/ 4
3. 3/4
4. 1/ square root of 15
5. 1/ square root of 17
Click here to see answer by fractalier(2101)

Question 23761: Factor
5A+2XB-5B-2AX
Click here to see answer by fractalier(2101)

Question 40464: how can I find the equations if its a word problem???can somebody give me some ideas on how??pleaseeeeeeeeeeeeeeee...........
Click here to see answer by Nate(3500)

Question 40902: PLEASE help me on this question. It is on a take home test that is due TOMMOROW.
2. Give two solutions to the equation: determinant:
1 x y
-1 2 -2 =0
2 4 6
Thank you very much
Click here to see answer by stanbon(57342)

Question 40913: PLEASE help me with these two problems. These are on a take home test that are due TOMMOROW.
22. Use a determinant to find an equation of the line that passes through the center of the circle (x+3)^2+(y-2)^2=7 and the point (1,4).
15. Use the inverse matrix method to solve the system of linear equations.
6x-6y-5z=11
3x+6y-z=6
9x-3y+z=0
Click here to see answer by venugopalramana(3286)

Question 41949: consider the function f(x) = (cx)/ (2x + 3) , where x is not ewual to -3/2. Find all values of c (if any) for which f(f(x)) = x
Click here to see answer by psbhowmick(529)

Question 41947: Graph the following ewuation and compute the area it encloses:
abs(2x -10) + abs (5y - 10) = 20
Click here to see answer by psbhowmick(529)

Question 42223: I hate math i never can do anything, i end up with a D in math..... Well so this is my problem. I guess it's my study habit. What helps you study for a test really really well. Do you spend like 4 hours studying or i really dont know what else to do..... I need a good study method.
Click here to see answer by fractalier(2101)

Question 42303: At 9:00am on the super sale day at Clothing city, Amy saw the coat she wants priced at $65.00. Amy only has $65.00. Every hour the price on the coats will be reduced 10% from the previous hour's price.
1. At what time will Amy be able to buy the coat for $46.00 or less, provided the coat is still avaliable?
2. Explain in detail how you found your anwser.
Click here to see answer by psbhowmick(529)

Question 43334: Jennifer bought a brand new sports car. The price of the car was $14,900 including sport wheels, an AM/FM CD stereo, and automatic transmission. The dealer gave her a $1,250 instant rebate on the price and 0% interest for 60 months. Jennifer made a down payment of $750. What would be the expression for Jennifer's monthly payments if she takes 60 months to pay the remaining balance?
Click here to see answer by checkley71(8403)

Question 43588: The length of one of the equal legs of an isosceles triangle is 8 cm less than 4 times the length of the base. If the perimeter is 29 cm, find the length of one of the equal legs.
Click here to see answer by Nate(3500)

Question 43699: Find two consecutive integers such that the sum of 2 times the first integer and 4 times second integer is 46.
Click here to see answer by Nate(3500)

Question 44179: Sheila noted that if she took her apartment number and increased it by 6,the result was a perfect square. She also noticed that if she decreased her apartment number by 6, the result was the square root of that perfect square. What is the apartment number?
Click here to see answer by stanbon(57342)

Question 44176: Sheila noted that if she took her apartment number and increased it by 6,the result was a perfect square. She also noticed that if she decreased her apartment number by 6, the result was the square root of that perfect square. What is the apartment number?
Click here to see answer by vihits13(20)

Question 44178: The sum of a number and its cube is 1458275238. What is the number?
Click here to see answer by checkley71(8403)

Question 44680: Place the correct symbol ( <, >, = ) for the following expressions.
|34| __ |-34|
|-10| __ |5|
|-2/3| __ |2/3|
|-34| __ -|-34|
Click here to see answer by tutorcecilia(2152)

Question 44918: If x is an acute angle and sin 2x = a find sin x + cos x
Click here to see answer by stanbon(57342)

Question 44919: Alice has four cats. She decided to weigh them in pairs. Silly and Pitty together weighed 110 lbs. Pitty and Neta together weighed 103 lbs., and Neta and Eta toghether weighed 108 lbs. How many pounds would Silly and Eta weigh together?

Click here to see answer by abhijitvakil(7)

Question 44917: a small corporation borrowed $500,000 to expand its product line. Some of
the money was borrowed at 9%, some at 10% and some at 12%. How much was
borrowed at each rate if the annual interest was $52, 000 and the amount
borrowed at 10% was two and a half times the amount borrowed at 9%?
Click here to see answer by josmiceli(9676)

Question 45001: Find the slope of the line passing through the points (0, –3) and (7, –5).
Click here to see answer by Earlsdon(6287)

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