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Question 170515: solve 6x-4(x+1)= 2(x-3)+2
Click here to see answer by stanbon(26297)

Question 170629: can you please help me with this problem? thank you
Hint: Group Factoring
4x^2-x-3
thanks
Click here to see answer by jim_thompson5910(13794)

Question 170691: When the digits of a two-digit number are reversed, the new number is 9 more than the original number, and the sum of the digits of the original number is 11. What is the original number?
Thanks.
Click here to see answer by Mathtut(3670)

Question 167022: Solve the equation. Round the result to the nearest hundredth.
5.6x-31.94=27.51x-3.21
6.1(3.1+2.5x)=15.3x-3.9
Click here to see answer by Mathtut(3670)

Question 166414: 84.)Gone Fishing. Debbie traveled by boat 5 miles upstream to fish in her favorite spot. Because of the 4 - mph current, it took her 20 minutes longer to get there than to return. how fast will her boat go in still water?
Click here to see answer by midwood_trail(310)

Question 171309: Two dozen units in an apartment complex need to be painted. It takes 3 gallons of paint to cover each apartment.
How many apartments can be painted with 36 gallons?
How many gallons will it take to paint all 24 apartments?
Click here to see answer by gonzo(654)

Question 171313: Create a 3x3 magic square using the number 3,5,7,9,11,13,15,17,and 19
Click here to see answer by solver91311(5072)

Question 171313: Create a 3x3 magic square using the number 3,5,7,9,11,13,15,17,and 19
Click here to see answer by Edwin McCravy(2922)

Question 171342: a^2b+2ab-15b factor the polynomial completely
Click here to see answer by solver91311(5072)

Question 166736: Determine the constant that should be added to the binomial so that it becomes a perfect square trinomial. Then write and factor the trinomial.
x^2 - 4x
a. 16; x^2 - 4x + 16 = (x - 4)^2
b. -4; x^2 - 4x - 4 = (x - 2)^2
c. -16; x^2 - 4x - 16 = (x - 4)^2
d. 4; x^2 - 4x + 4 = (x - 2)^2

Click here to see answer by solver91311(5072)

Question 171634: Find the number of degrees in each angle of a triangle if the first angle is twice the second and three times the third in value.
Click here to see answer by midwood_trail(310)

Question 171636: A physician having 100 cubic centimeters of a 6% solution of a certain medicine wishes to dilute it to a 3 1/2 % solution. How much water must he add? (A 6% solution contains 6% of medicine and 94% of water.)
Click here to see answer by nerdybill(2448)

Question 171635: Two men start from the same corner "A", going in different directions around a field 1 mile square. The man going along AB walks 4 miles an hour, and the other man who is traveling AD goes 3 miles an hour. Where and after how long will they meet?
Click here to see answer by ankor@dixie-net.com(6693)

Question 164656This question is from textbook Elementary and Intermediate
: 96.) Find all real or imaginary solutions. use the method of your choice.
sqrt(7x+29=x+3)This question is from textbook Elementary and Intermediate

Click here to see answer by Alan3354(6097)

Question 171683: How many zeros does P(x) have and list all the possible suspects for finding the real zeros for P(x).
P(x)=x^4+6x^3+6x^2+2x+8
Click here to see answer by stanbon(26297)

Question 171777: solve for the x given BD= 3x +3 and AE = 4x+7. Assume B is the midpoint of AC and D is the midpoint of CE
Click here to see answer by midgetwill(2)

Question 171659: My Prof. had a review for our final, but she wasn't able to complete all of the questions so here are the ones I need help with understanding! Thank you!
8. A rectangular pen for your pet is being built using 120 feet of fencing.
a. What dimensions give an area of 875 sq. feet?
b. What dimensions give a maximum area?
9. Use a sign pattern to solve 2x^3-x^2-3x is greater than or equal to 0. Give the solution in interval notation.

10. Sketch the graph of a rational function. f(x)=2x-3/x+1
You must include the following:
a. Any vertical or horizontal
asymptotes drawn with a
dashed line and labeled.
b. the x and y intercepts
plotted and labeled.

11. Write the complete factored form of f(x)=x^3-3x^2+9x-27.

12. Solve for x algebraically and check your soluionts.
square root of 1-x=x+5

13. Give the 20th term of the sequence: -2, 1, 4, 7,…………..
Find the sum of the first 20 terms.

14. Find the formula for the geometric sequence.
- 2, 6, -18, 54, -162………………..

Find the sum of the first 10 terms of the sequence.

15. Solve using the properties of logarithms.
log(base 3)x+log(base 2)(x-1)=log(base 3)6

Click here to see answer by stanbon(26297)

Question 167023: Multiply the equation by a power of ten to write an equivalent equation with integer coefficients.
2.5 x 0.7=4.6-1.3x
1.67+2.43x=3.29(x-5)
Click here to see answer by stanbon(26297)

Question 172664: hey,
could you please help me solving the following 2 equations:
Determine the equation of the parabola, in vertax form, with:
a) vertex (-1,-3) that passes through the point (5,8)
b) vertex (-4,3) and a y-intercept of 7.
i will be waiting for the solutions, thank you for your time.
thank you again,

Click here to see answer by stanbon(26297)

Question 172681: Write an equation of the circle with center (0,0) passing through (4,-3). Please show work.
Click here to see answer by Alan3354(6097)

Question 173146: f(x)=3x+7 and g(x)= x-7/3, find g(f(x))
Click here to see answer by stanbon(26297)

Question 173149: find the inverse function, if any, of the function f(x)=2x^2-5.
Click here to see answer by stanbon(26297)

Question 173148: The given set of ordered pairs (x,y) represents y as a one-to-one function of x.
{(2,5),(3,-2),(5,-4),(0,1)}. Find it's inverse.
Click here to see answer by stanbon(26297)

Question 173150: f(x)=2x-7 and f^-1(x)= x+7/2, find f(f^-1(x)) if it exists.
Click here to see answer by stanbon(26297)

Question 173142: if f(x)=4x-2 and g(x)=4x+2, find (f*g)(3).
Click here to see answer by jim_thompson5910(13794)

Question 173138: If f(x)=5x^2-3x+1 and g(x)=x^2+5x-3, find (f-g)(x).
Click here to see answer by jim_thompson5910(13794)

Question 173137: f(a+b)=f(a)+f(b)?
Click here to see answer by jim_thompson5910(13794)

Question 173311: please help me with this problem. i really need some help!!!
perform the indicated operation. simplify if possible.

m^2-6m 8m
------- +------
m-2 m-2
please show work so i can get it. thanks!!!
Click here to see answer by jim_thompson5910(13794)

Question 173382: please help me with this problem. im getting confused. and i really need ur help.
solve
x-4 4 29
---- + ---- = ----
x+1 x 30

please show the work so i can understand it. thank you !!!
Click here to see answer by jim_thompson5910(13794)

Question 173383: please help me with this problem. im getting confused. and i really need ur help.
solve
x-4
----
x+1

+
4
--
x
=
29
---
30

please show the work. thx!!

Click here to see answer by solver91311(5072)

Question 173473: the height in feet for a ball thrown upward at 48 feet per second is given by s(t)=-16t^2+48t, where t is the time in seconds after the ball is tossed what is the maximum height that the ball will reach?
Click here to see answer by Alan3354(6097)

Question 173694This question is from textbook passport to alegebra and geometry
: I need your help on this: Write the interger associated with the phrase
30 feet below sea levelThis question is from textbook passport to alegebra and geometry

Click here to see answer by Mathtut(3670)

Question 173692: 3x+2y+4=0 graph this line
Click here to see answer by Alan3354(6097)

Question 173716: the cost of operating a testing device for n minutes is given by
C(n) = 1.4n^2 - 35n + 270
find the number of minutes the device had to be operated to minimize the cost?
what is the minimum cost?

Click here to see answer by nerdybill(2448)

Question 173707: find the line of symmetry?
Y=3x^2 - 8x - 5
Click here to see answer by checkley77(7072)

Question 173748: hey, could you please solve the following problem for me, thank you,
A rate coin is bought at an antique auction in 1998 for $500. Each year, its value appreciates by 6% of its purchase price. Determine the coin's value in 2010.
remember we are using Geometric Sequences formula,
i will be waiting for the solution,
thank you agian

Click here to see answer by stanbon(26297)

Question 174063: A student says that – 4 – 3 (9) is the same as – 7 (9). How do you respond?
Click here to see answer by Mathtut(3670)

Question 174067: A student says he noticed that 39 * 41 = 40 * 40 – 1, and 59 * 61 = 60 * 60 – 1. He wants to know if this pattern continues. How do you respond?
Click here to see answer by loni(3)

Question 174109: Give three examples from real-world situation where an estimate, rather than an exact answer, is sufficient.
Click here to see answer by gonzo(654)

Question 174129: A total of 303 tickets were sold for the school play. The number of student tickets sold was two times the number of adult tickets sold . How many adult tickets were sold?
I figured it out that were 99 adult tickets sold-but I don't think that is right.Can somebody help me figure thi out? Thanks in advance, Judy
Click here to see answer by checkley77(7072)

Question 174107: A student wants to know how many integers between 1 and 1000 are a multiple of 3 or a multiple of 5. She wonders if it is correct to find the number of those integers that are multiples of 3 and add the number of those that are multiples of 5. How do you respond?
Click here to see answer by solver91311(5072)

Question 174066: Give three examples from real-world situation where an estimate, rather than an exact answer, is sufficient.
Click here to see answer by solver91311(5072)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890