Homework Help: Math: Algebra

Recent Homework Questions About Algebra

Algebra
In triangle GHI, angle H is a right angle, GH=40, and cos G=40/41. Find each value in fraction and in decimal form. a. sin G b. sin I c. cot G d. csc G e. cos I f. sec H
Wednesday, December 19, 2012 at 2:19am

ALGEBRA PLEASEEEE
Possible choices using the multiplicacion principle: Choose a t-shirt, a button down shirt, or a sweather, jeans or khakis, and either a red coat or a blue coat.
Tuesday, December 18, 2012 at 10:08pm

College Algebra
Given the following rational functions,find:a.)the horizontal asymptote(s), b.)the vertical asymptote(s), if any,and c.) the oblique asymptote(),if any. f(x)=x(x-17)^2/(x+12)^3
Tuesday, December 18, 2012 at 8:52pm

MATH :-\
Stumped again .. A ball was dropped and measured rebound heights (in ft.) after each bounce. It was found that the rule y= 15(0.80^x) could be used to predict the rebound height of the ball, where y is the bounce height and x is the bounce number. From what initial height did ...
Tuesday, December 18, 2012 at 8:34pm

Algebra
I need to determine the amount of an investment if $1000 is invested at an interest rate of 8% compounded quarterly for 2 years. - Not quite sure how to go about this and would appreciate help. Thank you in advance.
Tuesday, December 18, 2012 at 6:23pm

Algebra
Possible choices using the multiplicacion principle: Choose a t-shirt, a button down shirt, or a sweather, jeans or khakis, and either a red coat or a blue coat.
Tuesday, December 18, 2012 at 5:30pm

Linear Algebra
Consider the system x-2y=k-1 4x+(1-k^2)y=8 For what values of k does the system have a. unique solution? b. infinitely many solutions? c. no solution?
Tuesday, December 18, 2012 at 2:42pm

Algebra 1
The local zoo is filling two water tanks for the elephant exhibit. One water tank contains 34 gal of water and is filled at a constant rate of 4 gal/h. The second water tank contains 30 gal of water and is filled at a constant rate of 2 gal/h. Explain. Let x = the number of ...
Tuesday, December 18, 2012 at 1:52pm

algebra
Write an algebraic expression for the verbal description. The travel time for a plane traveling at a rate of r kilometers per hour for 820 kilometers
Tuesday, December 18, 2012 at 1:15pm

algebra
why can’t we simplify 3x2+4x any further. If you were to incorrectly simplify this expression into a single term, what would that single term look like? Now, pick 1 or 2 numbers to plug in for “x” in 3x2+4x and your incorrectly-simplified single term expression...
Tuesday, December 18, 2012 at 11:53am

Algebra
Each person that works at a company is given a 5-digit code followed by a letter,either uppercase or lowercase.These employees must enter their codes on a keypad to enter and exit the office building The company has 130 employees. a) How many codes are possible if there are no...
Tuesday, December 18, 2012 at 1:15am

algebra
solve each system by elimination 9x-6y=-30 x-3y=6
Monday, December 17, 2012 at 8:43pm

Algebra
Solve with a system of equations. Amanda pays 10.00 per month plus 100.00 Brita pays 20.00 per month
Monday, December 17, 2012 at 8:42pm

Algebra 2
How do you find the domain and range from y=3x^3+4x^2-5?
Monday, December 17, 2012 at 6:26pm

college algebra
Given the following rational function, find a. the horizontal asymptote(s), b. the vertical asymptote(s), if any, and c. the oblique asymptote(s), if any. f(x)=(x^2-x-2)/(2x^2-x-10)
Monday, December 17, 2012 at 6:18pm

algebra 1
who is correct and why? chloe jonas 3<2x-5<7 3<2x-5<7 3<2x<12 8<2x<7 3/2<x<6 4<x<7/2 2) solve each inequality for x. assume a is constant and a>0 a. -3<ax+1< or equal to 5 b. -1/ax+6<1 or 2-ax>8 3) create an example of a ...
Monday, December 17, 2012 at 5:51pm

algebra 1
1)write an inequality a. the sum of three times a number and 2 lies between 7 and 14 b.seven less than 4 times a number is at most 44 and at least -24. 2)which is not a solution of -4 is less than or equal to 2-6x less than or equal to 8. 3) 2x-1<x+2<6x+12 a. 0 b. 1 c. 2...
Monday, December 17, 2012 at 5:30pm

Intermediate Algebra
A ladder is leaning against a house. the distance from the top of the ladder to the ground is 12 feet, and the distance from the foot of the ladder to the house is 4 feet. how tall is the ladder?
Monday, December 17, 2012 at 4:53pm

Intermediate Algebra
(x)/((x+5)(x+6))-(5)/((x+5)(x+4))
Monday, December 17, 2012 at 4:44pm

Algebra 2
how would you translate the graph of y=-x2 to produce the graph of y=-(x+1)2?
Sunday, December 16, 2012 at 11:33pm

Intermediate Algebra
For the functions below, solve for f(g(h(-1))). f(x)=(x-1)^2 g(x)=2x^2+3x-1 h(x)=(x+3)
Sunday, December 16, 2012 at 10:51pm

Algebra
How do I write 7t+7/-6 divided by 4t+4/15 in lowest terms ?
Sunday, December 16, 2012 at 10:26pm

college algebra
Given the following quadratic equation, find a. the vertex b. the axis of symmetry c. the intercepts d. the domain e. the range f. the interval where the function is increasing, and g. the interval where the function is decreasing h. Graph the function. y=x^2+4x
Sunday, December 16, 2012 at 10:23pm

math Algebra 1
What is the algebraic expression for the following word phrase: the product of 5 more than p and 7? A.5+p+7 B.7(p+5) C.7*p*5 D.p+5 over 7 I think it is A...?
Sunday, December 16, 2012 at 9:59pm

Intermediate Algebra
To find the distance across a canyon, a surveyor inserts poles at two places on the same side of the canyon as indicated below. using the surveyor's measurements given below, find the distance across the canyon. (the answer can be in simplified radical form.) the ...
Sunday, December 16, 2012 at 8:51pm

Intermediate Algebra
For the quadratic equation y=(x-3)^2-2. Determine: A) whether the graph opens up or down; B) the y-intercept; C)the x-intercepts; D) the points of the vertex. and D) graph the equation with at lease 10 pairs of points.
Sunday, December 16, 2012 at 8:47pm

Math Algebra
The length of the hypotenuse of a right triangle is 30 m. The length of one leg is 20 cm. Find the length of the other leg. Round your answer to the nearest tenth I know how to do hypotenuse but this doesn't seem to work out...help please
Sunday, December 16, 2012 at 8:18pm

Math Algebra
5. At the half-time show, a marching band marched in formation. The lead drummer started at a point with coordinates (–4, –7) and moved 4 steps up and 2 steps left. a. Write a rule to describe the translation. I think it is (x,y)-->(x+2,y+4)is this right?
Sunday, December 16, 2012 at 8:09pm

algebra system of equations
solve X^2 + Y^2 =70 Y= 2X + 5
Sunday, December 16, 2012 at 6:19pm

algebra
solve t^2 + 3 = 6t using quadratic formula
Sunday, December 16, 2012 at 5:58pm

Intermediate Algebra
The distance, d, in feet that an object falls in t seconds is modeled by the formula d=16t^2. if you dive from a height of 120 feet, how long will it take to hit the water?
Sunday, December 16, 2012 at 4:44pm

math To MS.SUE
Ms sue i really want a hundred percent on one algebra test im in algebra and im so smart and good at math but the thing is in my class we tooken 4 tests and on all of then i only got one wrong whit the most minor common mistake i dont understand just one question wrong i ...
Sunday, December 16, 2012 at 4:30pm

Intermediate Algebra
For the functions below, solve for f(g(h(-1))). f(x)=(x-1)^2 g(x)=2x^2+3x-1 h(x)=(x+3)
Sunday, December 16, 2012 at 3:34pm

Intermediate Algebra
Standing on a platform 60 feet high, a person accidentally fires a gun straight into the air. the formula h=-16t^2+100t+60 describes the bullet's height above the ground, h, in feet,t seconds after the gun is fired. how long will it take for the bullet to hit the ground? ...
Sunday, December 16, 2012 at 3:05pm

Intermediate Algebra
A fire is raging in an apartment house. you see kids in a window in an upstairs window. the window is 24 feet off the ground. you have a ladder, but it only extends to 30 feet, how far from the house must you place the ladder to reach the kids?
Sunday, December 16, 2012 at 3:01pm

Intermediate Algebra
using the distance formula, calculate the distance to one decimal place between the points (-3,5)and (4,1).
Sunday, December 16, 2012 at 2:29pm

Algebra
Graph on a number line. 21/2. please help thank-you
Sunday, December 16, 2012 at 8:21am

algebra
Write a rule for the pattern. -3,-9,-14,-47,-141,.....
Sunday, December 16, 2012 at 8:19am

Algebra
The first element of a geometric sequence is 1 and the common ratio is 3; determine the smallest 4 digit numeral that represents an element of this geometric sequence
Sunday, December 16, 2012 at 4:52am

algebra
Determine which of the flowing points lie on the line given by the equation 3x+6y=12
Sunday, December 16, 2012 at 2:47am

algebra help
2 5 3 ---+---=-- x^2 x-3 x+3
Sunday, December 16, 2012 at 12:56am

Algebra
A quarium has a total of 28 beta fish, piranhas, and turtles. The number of piranhas is 1 more than the number of turtles, and 2 fewer than the number of beta fish. How many beta fish are there in the aquarium?
Saturday, December 15, 2012 at 4:59pm

Algebra
a pet store has a total of 16 snakes, guinea pigs, and miniature poodles. The number of guinea pigs is 1 more than the number of miniature poodles, and 2 fewer than the number of snakes. How many snakes are there in the pet store.
Saturday, December 15, 2012 at 1:22pm

algebra please help
The weight M of an object on Mars varies directly as its weighton earth. A person who weighs 95 lb on earth weighs 38 lbs on Mars. How much would a 100 lb person weigh on Mars?
Saturday, December 15, 2012 at 12:03am

Algebra 1- Math
At the ocean's surface the pressure is 1 atmosphere. At 66 feet below seal level, the pressure is 3 atmosphere. The Relationship between the pressure and the depth is linear. a. find the independent and dependent variable. b. create 2 ordered pairs. c. find the slope. d. ...
Friday, December 14, 2012 at 4:09pm

Algebra 1- Math
A software company started with 2 employees. In 6 months, the company had 14 employees. The number of employees increased at a steady rate. a. create 2 ordered pairs. b. find the slope. c. Interpret the meaning of the slope. d. Find the prediction equation.
Friday, December 14, 2012 at 3:57pm

Algebra
How do I solve 14x/5 + 7x = 23
Friday, December 14, 2012 at 11:31am

Algebra 2. Please help ASAP
The pH of a liquid is a measure of how acidic or basic it is. The concentration of hydrogen ions in a liquid is labeled [H+]. Use the formula pH = –log[H+] to find the pH level, to the nearest tenth, of a liquid with [H+] about 5.4 x 10–14. A. 14.7 B. 13.3 C. 14.0 D...
Friday, December 14, 2012 at 11:16am

Algebra 2
The pH of a liquid is a measure of how acidic or basic it is. The concentration of hydrogen ions in a liquid is labeled [H+]. Use the formula pH = –log[H+] to find the pH level, to the nearest tenth, of a liquid with [H+] about 5.4 x 10–14. A. 14.7 B. 13.3 C. 14.0 D...
Friday, December 14, 2012 at 10:21am

Algebra 2
Suppose you invest $1600 at an annual interest rate of 7.9% compounded continuously. How much will you have in the account after 10 years? A. $35,254.34 B. $3,525.43 C. $3,435.91 D. $17,315.27
Friday, December 14, 2012 at 9:38am

algebra
what is the horizontal change between (-2,5) and (4,10)
Thursday, December 13, 2012 at 10:56pm

Pre-Algebra
Carpet Masters charges $9.50 per square yard to clean a carpet. If you have two rooms with an area of six square yards each, how much will it cost to have the carpets cleaned?
Thursday, December 13, 2012 at 10:52pm

Pre-Algebra
One hundred nautical miles equals about 185 kilometers. To the nearest kilometer, how far in kilometers is 290 nautical miles?
Thursday, December 13, 2012 at 10:27pm

Algebra II math high school
To get the necessary funds for a planned expansion, a small company took out three loans totaling $25,000. The company was able to borrow some money at 8%. It borrowed $2000 more than half the amount of the 8% loan at 10% and the rest at 9%. The total annual interest was $2200...
Thursday, December 13, 2012 at 10:18pm

Math Algebra , high school
A biologist has three salt solutions: some 5% solution, some 15% solution, and some 25% solution. She needs to mix some of each to get 50 liters of 20% solution. She wants to us twice as much of the 5% solution as the 15% solution. How much of each solution should she use? How...
Thursday, December 13, 2012 at 10:14pm

Pre-Algebra
Grete Waitz won the New York marathon nine times. The rate at which she ran during her last victory in 1988 was 26 miles in 148 minutes. To the nearest hundredth, what was the unit rate for her last race?
Thursday, December 13, 2012 at 9:49pm

Algebra
A rectangle is drawn so the width is 7 inches longer than the height. If the rectangle's diagonal measurement is 46 inches, find the height.
Thursday, December 13, 2012 at 9:05pm

INTEGRATED ALGEBRA
|1.5C-24|<=30
Thursday, December 13, 2012 at 7:56pm

Algebra
Please help!!! im not sure what it is asking or how to answer it! In what situations would you use the mean to summarize a set of data? The median?
Thursday, December 13, 2012 at 7:53pm

algebra
there was a total of 840 guests at a wedding dinner. 60% of them were adults, and the rest were children. some boys left before the dessert was served. as a result, the percentage of adults increased to 70%. how many boys left before the dessert was served
Thursday, December 13, 2012 at 6:36pm

algebra 2
how can i solve this help please show the step 3square rood of 64x^4
Thursday, December 13, 2012 at 4:20pm

Algebra help
Dave buys 3 green peppers and 2 red peppers for $3.45. Ruth buys 4 green peppers and 3 red peppers for $ 5.00. Find the price of each variety of pepper.
Thursday, December 13, 2012 at 3:06pm

MATH HELP Algebra
An illustration of the associative property of addition provide an example
Thursday, December 13, 2012 at 3:00pm

Algebra 2
Simplify. (2-5i)-(3+4i)
Thursday, December 13, 2012 at 2:24pm

Algebra 2
The numbers iã5 and -iã5 are solutions to which equation? a. x^2+ã5=0 b. x^2+5=0 d. x^2-5=0
Thursday, December 13, 2012 at 2:19pm

Algebra help PLZ NOW
Graph the following equation : 2x-3y=-6
Thursday, December 13, 2012 at 11:50am

Math help algebra HELP plz
Solve A collection of dimes and quarters is worth $7.65. There are 45 coins in all . How many of each are there?
Thursday, December 13, 2012 at 11:48am

pre-algebra
the perimeter of a pool is 150m. the width is 1/2 its length. what are the dimensions of the pool
Thursday, December 13, 2012 at 11:02am

Intermediate college algebra
Beer cans are right circular cylinders. My algebraic ale and logarithmic lager cans, from snide brewery, have dimensional units called brewskis. The have a volume (in cubic brewskis) equal to the solution of the number of grams of radium 226 remaining after 4860 years when the...
Thursday, December 13, 2012 at 4:54am

Algebra
Can you help me set this up? Mr. Smith could ride his 10-speed bike 4.8 miles to his mom's house in 11 minutes. His return trip home took 14 minutes. The times are different due to there being a slight downhill slope on part of the trip to his mom's house. If Mr. Smith...
Wednesday, December 12, 2012 at 9:42pm

algebra
a parking meter gives 30 minutes for each quarter and 6 minutes for each nickel. the equation 30x+6y=60 describes the number of quarters x and nickels y that you need to park for 60 minutes what does the x-intercept represent?
Wednesday, December 12, 2012 at 8:50pm

Algebra
one leg of a right triangle is 9 inches shorter than the other leg. the hypotenuse is 45 inches long how long is the shorter of the legs?
Wednesday, December 12, 2012 at 8:45pm

Algebra
Mr. Scrooge bought 4 packages of ground beef. The second package weighed three times as much as the first, and the third package weighed half as much as the second. The fourth package weighed fifteen ounces, which was three ounces more than the third package. How many ounces ...
Wednesday, December 12, 2012 at 8:42pm

Algebra
Ground beef sells for $4.75 per kg and ground pork sells for $5.50 per kg. How many kg of ground pork should be mixed with 8 kg of ground beef to make a mixture that sells for $5.10 per kg? I dont know how to set this up or anything. Please help!
Wednesday, December 12, 2012 at 8:41pm

Algebra
The number of bacteria in a stagment pond doubles every hour. A farmer sprays it every two hours and kils 3/4 of bacteria immediately. If there are 10,000 live bacteria left after the farmer sprays at noon, how many live bacteria are there at 11 p.m. that night?
Wednesday, December 12, 2012 at 7:44pm

Algebra
log5(x+3)+log5(x-2)=log5(14)
Wednesday, December 12, 2012 at 7:41pm

Algebra
In 10 years, 25% of a radioactive substance decays. What is its half-life? A. 25 years B. 24 years C. 20 years D. 29 years
Wednesday, December 12, 2012 at 6:54pm

Algebra
I don't get how you would know which way to shade the inequality when it's true or false. For example the inequality 2x+3y> 12 When I solve it it's y>-2/3x+4 But when I graph the line how would I know which side to shade?
Wednesday, December 12, 2012 at 6:18pm

algebra 2
what is the square root of 196x^12
Wednesday, December 12, 2012 at 5:17pm

College Algebra
Rita has 88 feet of fencing. She wants to use this fencing to enclose a rectangular area of 480 square feet. What must the dimensions of her rectangular enclosure be?
Wednesday, December 12, 2012 at 3:46pm

algebra 2
take the square root problem square root 196x^12 show the step please thanks
Wednesday, December 12, 2012 at 3:18pm

algebra 2
take the square root of problem square root 64x^6
Wednesday, December 12, 2012 at 3:00pm

algebra 2
find the zeros of quadratic ( 8v+7)(v-2)=0 show the step please
Wednesday, December 12, 2012 at 2:51pm

algebra 2
take the square root of problem square root 64^6 please show all work
Wednesday, December 12, 2012 at 2:51pm

algebra 2
find the zeros of quadratic ( 8v+7)(v-2)=0 show the step please
Wednesday, December 12, 2012 at 2:48pm

Algebra
Solve by completing the square: x^2+3x-28=0
Wednesday, December 12, 2012 at 2:25pm

algebra
At a crime scene, police officers find a murder victim in a tub full of warm water. A thermometer shows that the water temperature is 75 degrees F and the air temperature is 70 degrees F. It is known that most people fill a tub with water at 100 degrees F. Find Newton's ...
Wednesday, December 12, 2012 at 1:18pm

college algebra
water from a tank is being used for irrigation while the tank is being filled. The two pipes can fill the tank in 6h and 8h, respectively. the outlet pipe can empty the tank in 24h. How long would it take to fill the tank with all three pipes open? round the answer to the ...
Wednesday, December 12, 2012 at 12:43pm

algebra
In an episode from the TV show Futurama, Phillip J. Fry had $0.93 in his bank account in 2000. In the year 3000 it had grown to $4.3 billion! What was the percent interest rate (to three decimal places) if it had been continuously compounded? What was the percent interest rate...
Wednesday, December 12, 2012 at 10:50am

algebra
Beer cans are right circular cylinders. My Algebraic Ale and Logarithmic Lager cans, from the Schmidt Brewery, have dimensional units called "brewskies". They have a volume (in cubic brewskies) equal to the solution of the number of grams of radium 226 remaining ...
Wednesday, December 12, 2012 at 10:46am

algebra
The radioactive isotope you discovered at 8 a.m weighed 75 mg. You named it "Nerdium." At 3 p.m. it measured only 0.009 grams. What is its half-life?
Wednesday, December 12, 2012 at 10:42am

Algebra
One question left for the night and i am stumped ... I need to find the sixth term of a geometric sequence in which a-sub-one = -7 and r = 3 .... Thanks in advance for you help!
Wednesday, December 12, 2012 at 12:20am

algebra
i have 8 yards of fabric. how many yards of fabric will i have left over if i made 3 small costumes with 2 5/8 yards
Tuesday, December 11, 2012 at 11:04pm

Algebra
I solved the inequality and now I have to graph and shade it in. Y<-5x-6 0<-5x-6 I used the test point 0,0 and substituted in y but how do I know if it's true or false?
Tuesday, December 11, 2012 at 10:18pm

pre algebra
1/2 (6x-4)= 4x-9
Tuesday, December 11, 2012 at 9:06pm

college algebra
Question 638522: Graph the following function using transformations. Be sure to graph all of the stages on one graph. State the domain and range. For example, if you were asked to graph y= x^2+ 1 using transformations, you would show the graph of y = x^2 and the graph shifted ...
Tuesday, December 11, 2012 at 8:33pm

college algebra
Graph the following function using transformations. Be sure to graph all of the stages on one graph. State the domain and range. For example, if you were asked to graph y= x^2+11 using transformations, you would show the graph...
Tuesday, December 11, 2012 at 8:06pm

SAT Prep (Algebra)
If f(x) = 8x, neg 2 squared + 4x, 0 squared + 2x squared, what is the value of F(1/2)
Tuesday, December 11, 2012 at 5:47pm

Algebra
During a hurricane evacuation from the east coast of Georgia, a family traveled west. For part of the trip, they averaged but as the congestion got bad, they had to slow to If the total time of travel was 7 hours, how many miles did they drive at the reduced speed?
Tuesday, December 11, 2012 at 1:50pm

algebra 1
write the slope-intercept form of the line that passes through (-4-3) and in parrallel to the line t=-1/3x +3
Monday, December 10, 2012 at 10:25pm

ALGEBRA 2 urgent!!
if you have 200 feet of fencing to enclose four adjacent rectangular enclosures. Determine what demensions should be used so that the enclosed area will be maximized.
Monday, December 10, 2012 at 9:12pm

college algebra
Given the function f(x) = x^3+ 3x Find the rate of change between the two stated values for x: 1 to 2 Find the equation of a secant line containing the given points: (1, f(1)) and (2, f(2))
Monday, December 10, 2012 at 9:08pm

algebra
If 1/2inch=3feet then what is n if 7inches=n feet
Monday, December 10, 2012 at 6:49pm

Algebra
3x2+x+2
Monday, December 10, 2012 at 6:17pm

Math
If a cat can jump 5 times the length of its tail. How high can the cap jump, if his tail is 13 inches long? (Algebra)
Monday, December 10, 2012 at 4:01pm

algebra
A linear regression equation of best fit between a student's attendance and the degree of success in school is h = .5x + 68.5. The correlation coefficient, r, for these data would be? 1. <?r<1 2. -1<?r<0 3. r=0 4. r=-1
Monday, December 10, 2012 at 3:59pm

algebra
A linear regression wquation of best best fit between a student's attendance and the degree of success in school is h = .5x + 68.5. The correlation coefficient, r, for these data would be
Monday, December 10, 2012 at 3:56pm

algebra
What is the anser to 8x + 6y = 5 for x? I am not looking for the slope of a triangle, just the anser.
Monday, December 10, 2012 at 2:30pm

algebra
Determine the equation of combined variation. Then solve for the missing value. x varies directly with y and inversely with z. x = 5 when y = 10 and z = 5. Find x when y = 20 and z = 10.
Monday, December 10, 2012 at 1:06pm

Algebra
Terrance skated 8 feet in 4 seconds at a constant rate how fast did he skate in feet per second
Monday, December 10, 2012 at 12:40pm

algebra
convert 44.6 % to fraction notation
Monday, December 10, 2012 at 11:30am

algebra: logs
Log3x=4
Monday, December 10, 2012 at 11:26am

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

Intermediate Algebra
A painter can paint a fence in 12 hours working alone. His apprentice who works slower can paint the same fence in 24 hours. How many hours would it take to do the job if they worked together?
Monday, December 10, 2012 at 9:43am

Algebra
What is 2a^2 over 4b times b^2 over a^2 or what is 2a squared over 4b, times b squared over a squared ? Thankyou
Monday, December 10, 2012 at 9:35am

algebra
The owner of a health food store combined cranberry juice that cost $7.79 per quart with apple juice that cost $7.19 per quart. how many quarts of each were used to make 10 quarts of cranberry juice mixture costing $7.61 per quart
Monday, December 10, 2012 at 2:40am

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

algebra
For the function g(x)=14/x+3, find (g^-1o g)(4)
Monday, December 10, 2012 at 12:23am

algebra
For the function f(x)=(7-8x)^2, find f^-1. Determine whether f^-1 is a function.
Monday, December 10, 2012 at 12:22am

algebra
Can someone help with inverse relations and functions? is relation t a function? Is the inverse t a function? chart looks like: x 0 2 4 6 y -10 -1 4 8 If someone could please explain this problem
Monday, December 10, 2012 at 12:15am

Intermediate Algebra
The amount of current flowing into an electrical circuit varies inversely as the resistance in the circuit. When the resistance of a particular circuit is 5 ohms, the current is 42 amperes. what is the current when the resistance is 4 ohms?
Sunday, December 9, 2012 at 11:11pm

Intermediate Algebra
Your gas bill varies directly as the amount of gas used. The bill for 2800 cubic feet of gas comes to $196. If you used 1400 cubic feet of gas, what will the bill be?
Sunday, December 9, 2012 at 11:08pm

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?
Sunday, December 9, 2012 at 10:58pm

Intermediate Algebra
in still water, a paddle boat averages 10 miles per hour. It takes the boat the same amount of time to travel 36 mile downstream, with the current as 24 miles upstream, against the current. What is the rate of the water's current?
Sunday, December 9, 2012 at 10:56pm

math/algebra
A kicker punts a football from 3 feet above the ground with an initial velocity of 47 feet per second. Write an equation that gives the height (in feet) of the football as a function of the time (in seconds) since it was punted. Find the height (in feet) of the football 2 ...
Sunday, December 9, 2012 at 9:16pm

math/algebra
the length of a rectangular frame is 5 cm more than the width. the area inside the frame is 66 square cm. find the width of the frame.
Sunday, December 9, 2012 at 8:36pm

algebra
A family refers to a group of two or more people related by birth, marriage, or adoption who reside together. In 2000, in Country A, the average family net worth was $460,000, and there were about 7.6*10 to the seventh power families. Calculate the total of family net worth in...
Sunday, December 9, 2012 at 8:36pm

algebra/math
the length of a rectangular flower bed is 7 feet less than 3 times its width. the area of the bed is 20 feet squared. find the dimensions of the flower bed.
Sunday, December 9, 2012 at 8:34pm

Algebra
Solve the inequality and graph. 7<1-x<13 I got -6 >x >-12 Is that correct?
Sunday, December 9, 2012 at 8:09pm

Algebra 2..
Solve. 1. (-16)^1/4 2. -16^1/4 *Please post some links so I can have extra practice.
Sunday, December 9, 2012 at 8:08pm

algebra II
examples of sum and product of two numbers.
Sunday, December 9, 2012 at 7:44pm

algebra
y - 2 = -2(x - 3)
Sunday, December 9, 2012 at 2:17pm

Algebra
Find the real solutions of the equation by graphing. 6x^3-2x=-9x^2
Sunday, December 9, 2012 at 1:31pm

algebra
X^2 x+15 ----- * ------ = X^2+7 x
Sunday, December 9, 2012 at 9:39am

algebra
X^2 * x+15 X^2+7 x
Sunday, December 9, 2012 at 9:30am

college algebra, Please help!!
find the line with the given properties. Parellel to the line 7x-y= -7; containing rhe point (0,0) plz show work
Sunday, December 9, 2012 at 8:20am

college algebra-plz help
a circle has the equation 3(x-5)^2_3y^2=12. Find the center and radius and graph the circle. find the intercepts, if any. plz show work
Sunday, December 9, 2012 at 6:50am

algebra
-4r^2+21r=r+13 3s^2-26s+2=5s^2+1 Please, please could you be so nice and help me with step by step, I can't find right solution, Thank you so much!!!!
Sunday, December 9, 2012 at 5:24am

college algebra, Please help!!
a circle has the equation x^2+y^2+6x-6y-46=0 find the center and the radius of the euation. If there are any intercepts list them.
Sunday, December 9, 2012 at 3:31am

college algebra--need help please!!
write the standard form of the equation and the general form of the equation of the circle with radius r and center (h,k) r=10; (h,k)=(8,-6)
Sunday, December 9, 2012 at 3:18am

Algebra!!
(x-1)/(x-3)/1/x2-x-6-4/(x+2)
Sunday, December 9, 2012 at 2:10am

Intermiate Algebra
Reduce the Rational expression to lowest terms: 3x2-9x+6/10-5x
Sunday, December 9, 2012 at 12:53am

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