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April 16, 2014

Search: Algebra, Please Help!

Number of results: 212,715

meg
find the real solutions x= y^2 - 9 x-4y-12= 0 I got x= -3 and y= 7 and x= 40 but how do i know what x to use and whats the ordered pair? I'm confused! help please!
Sunday, April 6, 2008 at 1:31pm by algebra

Algebra
ello i need help factoring I haven't had factorin sense Algebra one and now am in Algebra two and our school is screwed up were they shove in a year of Euclidean Geometry and Basic Trig inbetween first two years of Algebra... so i need to factor X^2-12X+35 I can sit there for ...
Sunday, December 7, 2008 at 8:34pm by Algebra

Matthew
5x{(24-19)x {(25+23)/12-(9-7)} 48 / 12 4 - (2) 5x (5) x (2) 25 x 2 = 50 Did I work this correctly? Please Help!! It doesn't come across real clear as to what the original equation was. Did you use the Orders of Operations (PEMDAS) when you solved it?
Thursday, February 15, 2007 at 8:49pm by Algebra--Please Help

Math
A population of 250 frogs increases at an annual rate of 22%. a. Write an exponential function to model the population of frogs.
Sunday, March 27, 2011 at 11:42pm by Algebra 2. Help, PLEASE!

Math
b. Find the population of frogs after 5 years.
Sunday, March 27, 2011 at 11:42pm by Algebra 2. Help, PLEASE!

Math
A population of 250 frogs increases at an annual rate of 22%. a. Write an exponential function to model the population of frogs. b. Find the population of frogs after 5 years.
Sunday, March 27, 2011 at 11:44pm by Algebra 2. Help, PLEASE!

algebra
Explain why the addition method might be preformed over the substitution method for solving the system 2x – 3y = 10 5x + 2y = 6 What is the solution of this system?
Sunday, March 18, 2012 at 11:29pm by Algebra PLEASE HELP!!

algebra
The point of intersection of the graphs of the equations of the system Ax – 4y = 9 4x + By = –1 is (–1, –3). Explain how to find the values of A and B, then find these values.
Sunday, March 18, 2012 at 11:29pm by Algebra PLEASE HELP!!

algebra...please help me!
here's an example if you read 8 pages monday and tuesday you read 15 you add 8 and 15 to get 23 as the cummunutive frequency
Thursday, October 4, 2007 at 6:00pm by Algebra WHIZ

Algebra
Please explain to me how to do these problems...Thanks 1. Find the value of x...x/6-x/8=1 2. The combined resistance of two resistors r1 and r2 in a parallel circuit is given by the formula rt= 1/(1/r1)+ (1/r2)...simplify the formula... 3. Fungicides account for 1/10 of the ...
Wednesday, May 23, 2007 at 1:09pm by Algebra Help

Please help! im so confused!
You draw two cards from a well-shuffled deck of 52 cards. After you draw the first card, you do not replace it in the deck. The probability of drawing the ace of diamonds on your first draw is 1/52. What is the probability of P(get king of clubs on second draw | get ace of ...
Saturday, May 4, 2013 at 2:12pm by algebra 2

Algebra
Solve by using the quadratic formula To get help, you need to give more specific data. Please repost with the specific information. Thanks for asking.
Thursday, July 12, 2007 at 11:59am by PLEASE HELP

Algebra
Solve by using the quadratic formula x^2=-7x+12 First, put all the terms on one side. x^2=-7x+12 x^2 + 7x -12 = 0 If the original sign for the 12 were negative, this would lead you to: x^2 + 7x + 12 = 0 This could factor into: (x+3)(x+4) = 0 However, as you have formula posted...
Thursday, July 12, 2007 at 12:00pm by PLEASE HELP

algebra
find the equation in slope-intercept form for the line that contains the given point and that is parallel to the given line. M(-5,2); -3x+8y=24
Monday, February 4, 2008 at 11:47pm by help please

algebra
(-2)/(x-1)=(x-8)/(x+6) please help me with this
Tuesday, April 29, 2008 at 9:36pm by please help

algebra
is 7/8 the answer for this
Tuesday, April 29, 2008 at 9:36pm by please help

algebra
I'm in algebra class, and my graphing calculator isn't allowed. So I'm trying to get used to using a ti-36xsolar. I can't figure out how to put in simple algebraic expressions though, like 2x+1. In my graphic calculator, i could put that in and it solves it. With the ti-36 - I...
Thursday, January 8, 2009 at 2:08pm by Help please

Algebra
-7yt/3x=? /18xyt Build each rational expression into an equivalent rational expression with the indicated denominator.
Sunday, March 1, 2009 at 6:35pm by help please

Algebra
Telephoto lens. Use the formula from Exercise 67 to find the image distance i for an object that is 2,000,000 mm from a 250-mm telephoto lens. (Section 6.7(1/f = 1/0 +1/i))
Sunday, March 1, 2009 at 6:57pm by help please

algebra
Solve the following system: 1/2x-1/4y=7/2 3/4x+1/3y=19/2
Monday, October 26, 2009 at 10:07pm by please help(:

algebra
I have a algebra question not to good at this? here goes.. the fuction w (d)=0.112d approximates the amount in centimetres of water that results from D cm of snow melting. find the amount of water that results from snow melting depths of. 19cm 38cm 95cm
Sunday, December 20, 2009 at 1:59pm by please help

algebra
so then it would be w(19)=0.112*19 and w (38)=0.112*38 and w (95)=0.112*95
Sunday, December 20, 2009 at 1:59pm by please help

algebra
ok thank you
Sunday, December 20, 2009 at 1:59pm by please help

Algebra
I need help on doing a math problem for my algebra class so if u could help i would be really grateful any way please explain. : Find two consecutive negative integers with the product of 110
Wednesday, March 24, 2010 at 7:44pm by Please help

Algebra
oh wow I thank now I see how to do it
Wednesday, March 24, 2010 at 7:44pm by Please help

Algebra
Solve the equation 3/x^2+15x+56 = 2x/x-7 - x/x-8
Friday, April 2, 2010 at 6:37pm by Please Help

Algebra
Use the discriminant to determine the number and type of solutions for this equation x^2-3x+5=0
Wednesday, April 14, 2010 at 10:01pm by Help Please!!

Algebra
Here is the problem: A two-digit number is eight times the sum of its digits.When the number is added to the number obtained by reversing the digits,the sum is 99. Find the original number. Please explain hot to solve it and it would help a lot to if you explain other algebra ...
Monday, May 31, 2010 at 9:49pm by Please help

algebra
The equation C=mx+b can be used to model the monthly cost, C, of a cell phone plan where b is the flat monthly cost, m represents the cost in dollars per minute and x is the number of minutes used in the month. Choose a flat monthly rate and cost per minute and insert the ...
Saturday, June 12, 2010 at 3:48pm by Please help

algebra
C=.25(73)+B C=18.25+80.00 C=$98.25 Monthly The monthly cell phone costs are $98.25. Is this what you wanted or something else?
Saturday, June 12, 2010 at 3:48pm by Please help

Algebra
For f (x) = x4 – 2x2 – 7, use the Intermediate Value Theorem to determine which interval Must contain a zero of f. A. Between 0 and 1 B. Between 1 and 2 C. Between 2 and 3 D. Between 3 and 4
Monday, November 22, 2010 at 6:20am by Help please

algebra
3/8+y=-3/16
Monday, December 13, 2010 at 1:51pm by please help

algebra
9z=8
Monday, December 13, 2010 at 2:03pm by please help

Algebra
Explicit formula for 8,15,29....
Wednesday, September 21, 2011 at 8:34pm by PLEASE HELP

Algebra
Whitney invested $19,000, part at 5% and part at 7%. If the total interest at the end of the year is $1,110.,how much did she invest at 5%. I know the answer is $11,000. I would like to know how to actually solve the equation.
Friday, October 21, 2011 at 5:27pm by Help Please

Algebra
Solve for x and y y=1/3x - 1 x-y=-1
Sunday, January 8, 2012 at 11:16pm by Please help

Algebra
Solve for x and y y=1/3x - 1 x-y=-1
Sunday, January 8, 2012 at 11:17pm by Please help

ALGEBRA
In triangle ABC, the measure of angle B is 27 degrees more than three times the measure of angle A. The measure of angle C is 48 degrees more than the measure of angle A. Find the measure of each angle.
Sunday, March 25, 2012 at 8:54pm by PLEASE HELP

ALGEBRA
The perimeter of a triangle is 52 centimeters. The longest is 2 centimeters less than the sum of the other 2 sides. Twice the shortest side is 13 centimeters less than the longest side. Find the lengths of each side of the triangle. What are the lengths of the sides from ...
Sunday, March 25, 2012 at 8:59pm by PLEASE HELP

Algebra
Parking in a students lot cost $1 for the first half hour and $1.25 for each hour thereafter. A partial hour is charge the same as a full hour. What is the longest time that a student can park in this lot for $7? The longest time is ? (simplify your answer)
Friday, May 25, 2012 at 11:09pm by Please HELP

algebra
=12+24*6*2-17 =283
Wednesday, October 24, 2012 at 10:51am by Help please

algebra
a,b and c are real numbers such that ab=44, bc=112 and a+c=13. What is the value of b?
Monday, February 25, 2013 at 1:24am by please help

Algebra
Jon and Melissa agree to meet in Chicago for the weekend. Jon travels 236 miles in the same time that Melissa travels 224 miles. If Jons rate of travel is 3 mph more than Melissas, and they travel the same length of time, at what speed does Jon travel?
Tuesday, March 5, 2013 at 7:39pm by Please Help!

Algebra
Which of the following methods can be used to construct a pattern of 10 numbers for which it would be mathematically impossible to predict the 11th term? (more then one answer.) A.Make a pattern, starting with 3, where each number is the next digit of pi (3.14159 . . .). B....
Thursday, April 4, 2013 at 2:54pm by Help Please!

Algebra
The simple formula for the nth term of an arithmetic sequence is an = 4n + 16. What is the explicit formula corresponding to the simple formula?
Thursday, April 4, 2013 at 6:37pm by Help Please!

Algebra
Please
Tuesday, April 16, 2013 at 9:03pm by PLEASE HELP!!!

algebra
((5w^2-16w+3)/(5w^2+24w-5))/((15w^2-8w+1)/(3w^2+14w-5))
Friday, September 27, 2013 at 8:12am by Help Please

algebra
15. To travel a fixed distance, the number of gallons needed is inversely proportional to the miles per gallon rating P of the car that gets 42 miles per gallon (mpg) needs 33 gallons to travel the distance. a. Find an equation of variation N= b. A car that gets 77 mpg needs ...
Friday, September 27, 2013 at 8:37am by Help Please

Algebra
A small business invests 33,000 in equipment to produce a product. Each unit of the product costs $1.70 to produce and is sold for $5.00. How many items must be sold before the business breaks even?
Thursday, December 12, 2013 at 8:10pm by Please help

algebra
vote count for canidiate a is 7310. vote count for b was 14190. ther is only 2 candidates what percent voted for a?
Monday, April 4, 2011 at 1:32pm by please please help!

algebra
thank u
Monday, April 4, 2011 at 1:32pm by please please help!

algebra
brad wants to buy flowers for his friend with $21. The daises are $2 each and the roses are $3 dollars each.He buys 3 more daisies then roses. how much did the roses cost?
Monday, April 4, 2011 at 1:59pm by please please help!

algebra
brad wants to buy flowers for his friend with $21. The daises are $2 each and the roses are $3 dollars each.He buys 3 more daisies then roses. how much did the roses cost?
Monday, April 4, 2011 at 2:36pm by please please help!

algebra
How many pairs of integers (not necessarily positive) are there such that both a2+6b2 and b2+6a2 are both squares?
Monday, February 25, 2013 at 1:25am by please help please

algebra
Find the number of pairs of coprime integers (n,m) such that 1≤n≤m≤20.
Monday, February 25, 2013 at 1:25am by please help please

algebra
Find an integer value of x such that when 3x−39 is divided by 2x, the quotient is 1 and the remainder is 50.
Monday, February 25, 2013 at 1:25am by please help please

algebra
Can someon please explain why the point-slope formula cannot be used to find the equation of a line that is parallel to the y-axis. Thanks
Thursday, March 1, 2012 at 9:15pm by algebra need help

algebra
Can someone please help. When you solve a system of equations by the substitution method, how do you determine whether the system of equations is inconsistent? Thanks
Thursday, March 1, 2012 at 9:19pm by algebra need help

algebra
Can someone please help. When graphing the equations y = 2x – 2, y = 2x, and y = 2x + 3, what observation can you make about the graphs. Can you make the same observation before graphing the lines? How? Thanks
Thursday, March 1, 2012 at 9:17pm by algebra need help

algebra
Can someone please help. Explain how you can determine from the graph of a system of two linear equations in two variables whether it is an inconsistent system of equations. Thanks
Thursday, March 1, 2012 at 9:18pm by algebra need help

pre algebra-math
two fractions equivalent to the given factor: 1) 18/21 2)3/17 thank you so much if u helped me
Wednesday, January 26, 2011 at 10:46pm by .please please please help

algebra
I get -5 I am missing a step please help and thank you
Saturday, September 12, 2009 at 4:44pm by algebra yuck

math
please solve this for me.. i feel as if i am doing this wrong.. (1000/s-120)- (1000/s) = 1/2
Monday, September 21, 2009 at 6:21pm by algebra

spanish
someone translate please Como son la mujer y las dos mudchachas del cuadro? Quien es la mujer, y que relacion hay entre ella y las ninas? Escrbibe una descripcion de las tres personas
Tuesday, September 28, 2010 at 9:36pm by algebra

Math
how do i factor 8X^2+10X-3 I know the answer is (4X-1)(2X+3) I just guessed and checked not sure about thorught process thats suppose to go trough my head here when dealing with a number before X^2 please tell me cuz i can get the answer by guessing but that takes to long
Sunday, December 7, 2008 at 9:07pm by Algebra

math
Sketch the graphs of f(x) = x^2 and g(x) = 2x. Find a number a between 0 and 2 so that when the region between the graphs of f and g for 0 <= x <= a is revolved about the y-axis, the volume of the solid produced is 7pia3/12 . Please show all work
Monday, December 31, 2012 at 3:20pm by algebra

math
Sketch the graphs of f(x) = x^2 and g(x) = 2x. Find a number a between 0 and 2 so that when the region between the graphs of f and g for 0 <= x <= a is revolved about the y-axis, the volume of the solid produced is 7pia3/12 . Please show all work
Monday, December 3, 2012 at 6:17pm by algebra

algebra
Pleas help with this. Explain the steps so I can understand what I am doing. solve 0.3x + 9<_ 0.7x -8 the solution is {x|x ? ? } _ this line is suppose to go under the 9 but I don't know how on computer do you?
Friday, September 11, 2009 at 9:42pm by algebra

Algebra 1
Yes I got the same answer.
Monday, June 30, 2008 at 8:23pm by Help Please

Algebra 2
Are these correct...Please help 1. The cost, in millions of dollars, to remove x % of pollution in a lake modeled by a. What is the cost to remove 75% of the pollutant? C=6,000/(200-2X) C=6,000/(200-2*.75)) C=6,000/(200-1.5) C=6,000/198.5 C=30.23 Million for 75% removal. b. ...
Friday, April 4, 2008 at 12:59pm by Help Please

Algebra 2
Describe two laws of exponents and provide an example illustrating each law. Explain how to simplify your expression. How do the laws work with rational exponents? Provide a third expression to simplify that includes rational (fractional) exponents
Monday, April 28, 2008 at 8:10am by Help Please

Algebra 2
I don't understand, I'm struggling in math and I thought if I get an understanding of what kind of problems I was looking for, it would make things easier.
Monday, April 28, 2008 at 8:10am by Help Please

Algebra 2
Describe two laws of exponents and provide an example illustrating each law. Explain how to simplify your expression. How do the laws work with rational exponents? Provide a third expression to simplify that includes rational (fractional) exponents
Monday, April 28, 2008 at 8:10am by Help Please

Algebra 2
Find all numbers in which the rational expression is undefined: -22/15w
Tuesday, January 26, 2010 at 6:44pm by Please HELP

Algebra 2
Subtract & Simplify if possible: 9/5u^2-5u - 2/5u-5 I ended up with 35u-45-10u^2 Doesn't seem correct. can anyone help?
Tuesday, January 26, 2010 at 6:59pm by Please HELP

Pre-Algebra
12 > y - 5
Tuesday, January 4, 2011 at 7:13pm by Help please!!

algebra 2
Create a quadratic equation with the solutions x=-2 and x=6 would x=-2 = x=0 would x=6 = x = 0?
Tuesday, May 10, 2011 at 1:41pm by please help

Algebra 2
log x 8 = 2
Wednesday, June 13, 2012 at 12:50pm by Please Help!

Algebra 2
log4 (x-2) - log4 (x+1) = 1
Wednesday, June 13, 2012 at 12:56pm by Please Help!

Intermediate Algebra
A car travels 30 miles in the same time that a car traveling 5 miles per hours faster travels 45 miles. What is the rate of each car?
Monday, December 10, 2012 at 1:35am by Please Help :)

Intermediate Algebra
You are 6 feet in height. If you are standing away from the base of the lamppost, you can see where your shadow stops. If you are 10 feet from the base of the lamppost and your shadow stops 5 feet from where you stand, what is the height of the lamppost?
Monday, December 10, 2012 at 11:12am by Please Help! :)

algebra!
x is a number such that x2+3x+9=0. What is the value of x3?
Monday, February 11, 2013 at 10:50am by please help me out!!! please

college algebra
3. Students in an English class took a final exam. They took equivalent forms of the exam at monthly intervals thereafter. The average score S(t), in percent, after t months was found to be given by S(t) = 68 − 20 log (t + 1), t 0. What was the average score when they...
Thursday, February 2, 2012 at 10:52pm by Please, Please Help!

Algebra 2
I need help factoring... I refuse to just sit there and play little games in my head trying to get numbers that fit... I'd rather thing of it as solving for X then going in backwards as that makes much more sense to me... So I'm given 16c^2 - 64 and i'm asked to factor... ...
Thursday, April 2, 2009 at 7:36pm by Algebra 2

Finance
When solving for EBIT, What kind of algebra do I use? I replaced EBIT with x. The equation is: (x-0)(1-.4)/80,000=(x-153,400)(1-.4)/40,000
Wednesday, January 11, 2012 at 8:03pm by Please help

Algebra 2/ Radicals
Why is it important to simplify radical expressions before adding or subtracting? How is adding radical expressions similar to adding polynomial expressions? How is it different? Provide a radical expression for your classmates to simplify.
Tuesday, January 26, 2010 at 7:59pm by Please HELP

math(algebra 1)
i dont get these please help me: use the subtitution method to solve the linear system 1)3x+y=0 x-y=4 2)y=-3x-1 x-3y=3 3)3x-y=9 2x+y=6 4)x-2y=0 3x+y=0 Thank you!!:)
Tuesday, January 18, 2011 at 10:53pm by please help!!!

math(algebra 1)
so are these correct? 2)y=-3x-1 x-3y=3 x=0 y=-1??? 3)3x-y=9 2x+y=6 dont know help?? 4)x-2y=0 3x+y=0 please help!!! i dont know how you changed x - y = 4 to x = 4 + y tell me please Thanks!!
Tuesday, January 18, 2011 at 10:53pm by please help!!

pre-algebra-mathhhh
two fractions equivalent to the given factor 18/21 and the other 3/27:) please helpp
Wednesday, January 26, 2011 at 10:51pm by PLEASE HELP :)

Algebra 1 (Scientific Notation)
How will you write this in scientific notation? if you do not mind explaining how you did it. Thank you! $15,789,000,000,000
Thursday, June 28, 2012 at 4:05pm by *Please Help*

Algebra 1 (Scientific Notation)
Thank you so much...! this will help me on my final next week...! :)
Thursday, June 28, 2012 at 4:05pm by * Please Help*

algebra!!!! please help me!!!!
i still dun get it :(
Tuesday, May 7, 2013 at 12:24pm by HELP!!

Math
A refrigerated truck leaves a rest stop traveling at a steady rate of 56 mi/h. A car leaves the same rest stop 1/4 h later followinf rhe truck at a steady rate of 64 mi/h. How long after the truck leaves the rest stop wil the car overtake the truck. In algebra form.
Thursday, January 27, 2011 at 9:53pm by Please help

Algebra
What values for x, if any, must be excluded in each of the following algebraic fractions? 1.17/x 2.3/(x-2)= 3.3x/((x+1)(x-2))= 4.(2x-1)/(3x^2+x-2)
Wednesday, February 27, 2008 at 9:15am by maria- HELP PLEASE

Algebra
PLEAse please
Monday, March 9, 2009 at 8:07pm by Please Someone help!

algebra
what would [5-2]+-7-(-9)= what would be my specific steps
Thursday, October 8, 2009 at 6:17pm by PLEASE HELP ME

algebra
thanks i cant believe its that easy and i was real confused
Thursday, October 8, 2009 at 6:17pm by PLEASE HELP ME

algebra
ok i dont get this one in 1920 the record for a certain race was 45.9 sec in 1980 it was 44.1 sec let r (T) = the record in the race and t= the number of years since 1920 (a) find a linear fuction that fits the data (b) use the funcation in (a) to perdict the record for 2003 ...
Sunday, December 20, 2009 at 5:18pm by need help please

algebra
so what yr will it be 43.20
Sunday, December 20, 2009 at 5:18pm by need help please

algebra
so r(t)=?
Sunday, December 20, 2009 at 5:18pm by need help please

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