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August 21, 2014

Homework Help: Math: Algebra

Recent Homework Questions About Algebra

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algebra
Jeremy is building a deck for the community center. The deck is shaped as rectangle. The width of the deck is 29ft. The perimeter of the deck is to be at least 134ft. Write an inequality that represents all possible values of the length of the deck. Find all possible values ...
Sunday, September 9, 2012 at 9:32am

algebra 1 stat question
fastest recorded speeds of various large wild cats (miles per hour) 70,50,30,40,35,30,30,40,15. The standard deviation of is 14.01 and the mean is 37.7 I have created a dot plot of the data and now I need to find out within how many standard deviations of the mean does all the...
Sunday, September 9, 2012 at 2:25am

algebra 1
I have found standard deviation and the mean for a data set and have created a plot of the data now I have to find within how many standard deviation of the mean does all the data fall and I am not sure how to do this
Sunday, September 9, 2012 at 2:13am

College Algebra
The period (the time required for one complete swing) of a simple pendulum varies directly as the square root of its length. If a pendulum 12 feet long has a period of 4 seconds, find the period of a pendulum 3 feet long.
Sunday, September 9, 2012 at 1:52am

Algebra
If m angle BGC =16x-4 and m angle CGD = 2x+13,Find the value of x so that angle BGD is a right angle.
Sunday, September 9, 2012 at 12:09am

Algebra
If m angle FGE =5x+10, Find the value of x so that line FC is perpendicular to Line AE. Line AE is a striaght line
Sunday, September 9, 2012 at 12:07am

algebra
Solve the equation check for extraneous solutions 9[9-8x]=2x+3 please explain
Saturday, September 8, 2012 at 11:05pm

algebra
Evaluate the expression for the given value of the variable(s) [-4b-8]+[-1-b^2]+2b^3; b=-2
Saturday, September 8, 2012 at 11:04pm

algebra
-9x+10y=-9 write the equation in slope-intercept form, what are the slope and y-intercept. I have tried to figure this out but cannot come up with correct answer please help
Saturday, September 8, 2012 at 9:21pm

Algebra
I need help on these kinds of radical problems. Once I get the examples solved, I think I can do others. 1. What is the solution to the square root of -9? No solution, yes or no? 2. The square root of: 6x/3x? The answer is 2? 3. The square root of -0.01? No solution? Is there...
Saturday, September 8, 2012 at 8:38pm

Linear Algebra
2 people move in the same direction along a line of equation: (x + 3)/10 = (y + 10)/20 = (z - 10)/-20 Mobile M1 is at a point A(-3, -10, 10) and moves at a velocity of 6m/s towards point B(7, 10, -10) where Mobile 2 is found, walking in the same direction at a velocity of 3m/s...
Saturday, September 8, 2012 at 7:17pm

Algebra
A motorboat can maintain a constant speed of 26 miles per hour relative to the water. The boat makes a trip upstream to a certain point in 35 minutes; the return trip takes 17 minutes. What is the speed of the river current?
Saturday, September 8, 2012 at 6:15pm

Algebra
The number of medical doctors D (in thousands) in the United States from 1998 through 2006 can be modeled by D = 431.61 + 121.8t, 8 ¡Â t ¡Â 16 where t represents the year, with t = 8 corresponding to 1998.¢Ó (a) In which year did the number ...
Saturday, September 8, 2012 at 5:59pm

algebra 1
mindy is building a patio that is in a shape of a square. this will cover 56 square yards. find the length of a side of the patio to the nearest tenth of a yard ?
Saturday, September 8, 2012 at 5:03pm

Algebra 2
I also need help with this two. 1.0.5=41x-2(1.3x-4) 2. 8.7=3.5m-2.5(5.4-6m)
Saturday, September 8, 2012 at 4:42pm

Algebra 2
4=2/9(4y-2)
Saturday, September 8, 2012 at 4:35pm

algebra
27=3c-3(6-2c) -3=12y-5(2y-7) -14=2/5(9-2b)
Saturday, September 8, 2012 at 4:16pm

algebra
whats 5h+2(11-h)=-5
Saturday, September 8, 2012 at 4:07pm

algebra
(x + 8)2 = 32
Saturday, September 8, 2012 at 3:43pm

Algebra
a rectangular garden is located adjacent to a house the family needs to fence in the garden the family wants three side because one side is up against the house the length is 5 meters longer than the width and the area of the garden is 204 square meters how much fence is needed
Saturday, September 8, 2012 at 3:08pm

Algebra
square root>(3x + 1)− square root>(7x + 8)= 1
Saturday, September 8, 2012 at 2:38pm

Pre-Algebra Adv.
Find the change in temperature or elevation. 1) From -16 degrees C to 23 degrees C 2) From -47 degrees C to -38 degrees C 3) From 9 degrees F to -12 degrees F 4) From -16 degrees F to -27 degrees F
Saturday, September 8, 2012 at 1:53pm

Pre-Algebra
the sum of a number and 14.5
Saturday, September 8, 2012 at 1:04pm

algebra
art's age is two thirds cal's age, and bob is three years older than art. the sum of their three ages is 45. find the age of each one
Saturday, September 8, 2012 at 12:18pm

Algebra
x^3 + 6x^2 + 5x + 30 = 0
Saturday, September 8, 2012 at 11:57am

Algebra
Square root 5-1over x = square root over 5
Saturday, September 8, 2012 at 10:09am

algebra
f(x)= 1/x-2 Plug in 1 for x. I keep getting -1 but the book says the answer is 3. Please help. Thanks
Friday, September 7, 2012 at 9:37pm

algebra
Calvin invested $7500 for one year, part 12% annual interest and the rest at 10% annual interest. His total interest for the year was $890. How much money did he invest at 12%?
Friday, September 7, 2012 at 7:52pm

ALGEBRA 2
What is the slope of the line that passes through the given points? (6, 2) and (7, 4)
Friday, September 7, 2012 at 7:06pm

algebra
HELP! Please Calvin invested $7500 for one year, part 12% annual interest and the rest at 10% annual interest. His total interest for the year was $890. How much money did he invest at 12%? Show work.
Friday, September 7, 2012 at 4:57pm

Algebra....HELP!!
Solve the elimination method 7a + 6b = 3 -7a +b = 25 The solution of the system is?
Friday, September 7, 2012 at 3:18pm

college algebra
How do you solve f(x)=square root of 2x+1 using the difference quotient? I need to see the steps.
Friday, September 7, 2012 at 3:04pm

Algebra 2
solve the equation : 5x-2(3-x)=-(4-x) show how you got the answer!!!
Friday, September 7, 2012 at 10:41am

algebra
Could someone please check my work. what is the slope of the line that passes through the given points?(2,12( and (6,11) -1/4 (my choice) 1/4 4 -4 My work: 11-12/6-2=-1/4 what is the slope of the line that passes through the given points? undefined( my choice) 0 -2/3 -3/2 My ...
Friday, September 7, 2012 at 10:35am

algebra
I dont understand this question How would you explain to your friend why the quotient of x*6 and x^2 is x^6 Remember your friend is questioning the rule, so you just cannot say it is the rule.
Friday, September 7, 2012 at 7:20am

algebra
If you could please help show me the steps so i can continue on with my assignment i would be very appreciative: Problem 9 - p/4 = 5
Friday, September 7, 2012 at 6:08am

algebra 1
George is driving at an average speed of 62 miles per hour. Write an expression that would give his distance traveled for h hours. Make a table that records his distance for 3, 5.5, 7, and 8.5 hours.
Thursday, September 6, 2012 at 10:52pm

algebra
answer to 6r-6-3=15
Thursday, September 6, 2012 at 10:45pm

Algebra
This is not math related, but I will be gracious for your help. Solve the following alphabet puzzles. Examples: 26= L. in the A. Answer: 26=letters in the alphabet 54= C. in a D (with J). Answer: 54= cards in a deck( with the jokers$ 140=M N of C in a T 7=Y of B L for B a M 20...
Thursday, September 6, 2012 at 10:03pm

Algebra
construct a number that has factors of 5,4 and 6 but not 15
Thursday, September 6, 2012 at 8:31pm

algebra
How do you Simplify
Thursday, September 6, 2012 at 8:26pm

algebra
how many different four digit numbers can be obtained by using all four of these digits 5,1,1,5 show work please
Thursday, September 6, 2012 at 7:25pm

algebra
Jim is paid for overtime when he works more than 40 hours per week. Write an expression for the number of hours he works overtime when he works h hours.
Thursday, September 6, 2012 at 5:15pm

Algebra
Do the equations x = 4y + 1 and x = 4y - 1 have the same solution? How might you explain your answer to someone who has not learned algebra?
Thursday, September 6, 2012 at 4:35pm

algebra 1
Do the equations x = 4y + 1 and x = 4y - 1 have the same solution? How might you explain your answer to someone who has not learned algebra?
Thursday, September 6, 2012 at 1:51pm

Algebra 1
Do the equations x = 4y + 1 and x = 4y - 1 have the same solution? How might you explain your answer to someone who has not learned algebra?
Thursday, September 6, 2012 at 11:58am

Linear Algebra
Show that the functions (c1+c2sin^2x+c3cos^2x) form a vector space. Find a basis of it. What is its dimension?
Thursday, September 6, 2012 at 9:00am

Math-Algebra-1
Why did the caw want a divorce?
Wednesday, September 5, 2012 at 11:53pm

ALGEBRA.
what is 5*8 over 3-7 + (5-3)2 squared over 2? I got 40/4 + 9/2 = 49/4.
Wednesday, September 5, 2012 at 11:46pm

algebra
consider the functions f(x)=9/x; and g(x)=9/x what is f(g(x))? give any values that need to be excluded what is g(f(x)) give any values that need to be excluded? are functions f and g inverse of each other?
Wednesday, September 5, 2012 at 11:43pm

algebra
find the slant asymptote of the graph of the rational function and use the slant asymptote to graph. f(x)=x^2+x-2/x-7 find slant asymptote of graph of f use slant asymptote to graph rational function find x and y intercepts find vertical and horizontal asymptote
Wednesday, September 5, 2012 at 11:38pm

algebra
what is 1=2n
Wednesday, September 5, 2012 at 11:33pm

Algebra 1
|(3x+2)/2|=|(2x-3)/3|
Wednesday, September 5, 2012 at 11:27pm

Algebra 1
15 4/4 - 1 2/2 - 1 2/2 - 4 3/3?
Wednesday, September 5, 2012 at 10:59pm

Math (Algebra 1)
|(2x-5)/3| = |(3x+4)/2|
Wednesday, September 5, 2012 at 10:50pm

algebra
consider the function f(x)=9/x and g(x)=9/x find f(g)x))and any values that may be excluded what is g(f(x)) and any values that may be excluded and functions f and g inverse of eachother please show work
Wednesday, September 5, 2012 at 10:40pm

Algebra 1
Carlos is having a bake sale, he begins with one tray of brownies. [cut into 15 pieces] and 18 cookies. He sells 1/3 of the brownies, and 1/6 of the cookies. He is then given a box of 12 tasty cakes to sell. He sells 3/4 of the box, how much of each food will he have left? ...
Wednesday, September 5, 2012 at 10:39pm

algebra
if f(x)=lnx, g(x)=e^3x, and h(x)=x^4 find following A)(f of g)(x)and the domain of f of g B) (g of f)(x) and the domain of g of f C) (f of h)(x) and the domain of f of h please show work
Wednesday, September 5, 2012 at 10:39pm

algebra
use the given zero to find the remaining zeros of the function h(x)=x^4-15x^3+60x^2+70x-816 zero: 5 show work
Wednesday, September 5, 2012 at 10:35pm

Algebra
Evaluate in exponential form: 1. 4•4•4•4•4 my answer: 1024
Wednesday, September 5, 2012 at 10:33pm

High School Algebra 1
how do you turn 16 - 1 - 2 - 5 into a fractional form? and write the answer as a reduced fraction;
Wednesday, September 5, 2012 at 10:31pm

algebra
1/7x-x=-1/7(2x+84)
Wednesday, September 5, 2012 at 10:28pm

Algebra I
Find the multiplicative inverse of the number. -9 Please explain and give steps as well. Thank you.
Wednesday, September 5, 2012 at 10:26pm

advance algebra with fincial applications
how long does it take $450 to double at simple interest rate of 14%
Wednesday, September 5, 2012 at 10:19pm

Algebra
What is the factor of x^2+4x-5
Wednesday, September 5, 2012 at 10:18pm

college algebra
use the given zero to find the remaining zeros of the function h(x)=x^4-15x^3+60x^2+70x-816 zero: 5-3i
Wednesday, September 5, 2012 at 9:37pm

Algebra 1
What is 2/7 - 1/4 + 9/14? What is the LCD? And how did you find it?
Wednesday, September 5, 2012 at 9:16pm

algebra
How would I solve 6/7s-3/4=4/5-1/7s+1/6
Wednesday, September 5, 2012 at 8:47pm

algebra 2
Betty,Cathy,Isabel,lani,alma,ans Ursula ran an 800meter race. Alma beat Isabel by 7 meters. Ursula beat betty by twelve meters. Alma finished 5 meters ahead of lani but 3 meters behind Ursula. Cathy finished halfway between the first and last girls. In what order did the girls...
Wednesday, September 5, 2012 at 7:54pm

algebra 2
Betty,Cathy,Isabel,lani,alma,ans Ursula ran an 800meter race. Alma beat Isabel by 7 meters. Ursula beat betty by twelve meters. Alma finished 5 meters ahead of lani but 3 meters behind Ursula. Cathy finished halfway between the first and last girls. In what order did the girls...
Wednesday, September 5, 2012 at 7:44pm

college algebra
solve the following exponential equation. (e^x-e^-x)/2=6 what is the exact answer? x=? what is the answer approx to 3 decimal places? x=?
Wednesday, September 5, 2012 at 6:44pm

college algebra
solve the following logarithm equation log (4x+7)=1+log(x-6) x=? please show work
Wednesday, September 5, 2012 at 6:42pm

college algebra
graph the parabola, then determine the domain and range. f(x)=x^2x-4x-4
Wednesday, September 5, 2012 at 6:01pm

Pre Algebra
How to Change improper fractions to a mixed or whole number?
Wednesday, September 5, 2012 at 5:34pm

Pre- Algebra
1. What is (-7)^5 in expanded form? 2. Simplify the expression. (-3)^4 a. 81 b. -81 c. -12 d. 12 3. Which expression is equivalent to 4x4x4x4x4x4x4x4? a. 4 x 8 b. 8^4 c. 8x8 d. 4^8 4. 2/3 x 1/2? Simplify to lowest terms 5. Solve 1/6 / 2/6 6. Which of these numbers is ...
Wednesday, September 5, 2012 at 5:24pm

college algebra
A circle has the equation x^2+y^2+6x-46=0 graph using (h,k) radius r what are the intercept?
Wednesday, September 5, 2012 at 5:21pm

algebra
Please double check my answers? If they're wrong can you explain how to do it right? My math book doesn't have examples for all of these scenarios and I really don't want to fail this assignment. I don't normally look for help online, but I'm kinda ...
Wednesday, September 5, 2012 at 1:49pm

algebra
an airplane is flying at an altitude of 3200 feet. an air- traffic controller in the tower keeps constant track of the planes distance from the tower in X feet. express the horizontal distance from the tower to a point directly below the airplane,d, in terms of X.
Wednesday, September 5, 2012 at 1:17pm

algebra
a rancher has 310 feet of fencing with which to enclose two rectangular corrals, both of the same size. the two corrals will share one side, and a barn forms one side of both corrals. suppose the width of each corral is X feet. express the total area of the two corrals as a ...
Wednesday, September 5, 2012 at 12:45pm

Algebra I
1/2(1/2m-4) Use the distributive property to write an equivalent expression. Please explain the steps as well. Thank you. :D
Tuesday, September 4, 2012 at 8:38pm

algebra
8 + 5(4*2) – 30
Tuesday, September 4, 2012 at 8:23pm

Algebra
The equation is 5= -z - 3 Why is the answer -8 and not just positive 8? Please explain the whole negative variable thing.
Tuesday, September 4, 2012 at 7:56pm

algebra
Tanner earns a commission of $1415.04 selling $6432 worth of electronics. What is the commission rate?
Tuesday, September 4, 2012 at 7:21pm

algebra
3x+4x
Tuesday, September 4, 2012 at 5:48pm

Algebra Enrichment
5b(b+3)-8(1-b)
Tuesday, September 4, 2012 at 5:07pm

algebra
I know how to do these equations but can't figure these out (x+3)/5=(x-2)/4 2x squared + 14x =0
Tuesday, September 4, 2012 at 4:48pm

Algebra
In a recent survey of 100 women the following information was gathered. 32 use shampoo A, 39 use shampoo B, 40 use shampoo C, 12 use A and B, 10 use A and C, 10 use B and C, 7 use all three
Tuesday, September 4, 2012 at 3:13pm

Algebra
Determine the comparable interest rate for a 80,000 loan when the quoted information is 10.7% + 0.5 pt.+ $400.00 Round to 2 decimal places
Tuesday, September 4, 2012 at 3:09pm

Algebra
If the principal P=$600, the interest I=210.00, and the T= 5 Years. What is the rate?
Tuesday, September 4, 2012 at 3:06pm

Algebra
A poll was taken of 100 students on how they got to campus. 33 drove alone, 35 rode in a carpool, 26 rode public transportation, 6 used both carpool and public transportation, 8 used both a carpool, 6 used buses as well as their own cars, 5 used all three methoda. How many are...
Tuesday, September 4, 2012 at 3:03pm

Algebra
A car dealer sells you a car for 6,980.00 with 980.00 down. What is the APR?
Tuesday, September 4, 2012 at 2:58pm

algebra
pi*7=7*pi would this be associate property of multiplication
Tuesday, September 4, 2012 at 12:30pm

algebra
-(4h-1)/1+h; h=2 the 4h-1 is on top of 1+h please can someone explain
Tuesday, September 4, 2012 at 12:28pm

algebra
9[9-8x]=2x+3 Please can someone explain
Tuesday, September 4, 2012 at 12:26pm

algebra
[-4b-8]+[-1-b^2]+2b^3; b=-2 please can someone explain
Tuesday, September 4, 2012 at 12:25pm

Math/Algebra
y^2+6+2(y^2+5) My answer is 3y^2+16 (simplifying) but the hawkes learning system won't accept this answer. Am I missing something?
Tuesday, September 4, 2012 at 12:13pm

Algebra 1
How many solution sets do systems of linear inequalities have? Do solutions to systems of linear inequalities need to satisfy both inequalities? In what case might they not?
Tuesday, September 4, 2012 at 12:00pm

Algebra
Simplifying y^2 + 3 + 3(y^2+1) My answer is 4y^2+6 but the program I am using (Hawkes learning system) says it isnt correct. Any help would be greatly appreciated. I have even used several online calculators to verify and this is the answer they all come up with too. HELP
Tuesday, September 4, 2012 at 11:56am

Algebra 2
A phone company charges a basic rate of $13.99 per month. In addition the user is charged $0.10 per minute for all long distance calls made during the week and $0.08 per minute for all long distance calls made during the weekend. Write an expression that gives the total ...
Tuesday, September 4, 2012 at 10:49am

algebra
find the equation for the circle with the center (5, -4) and passing through (2,4)
Monday, September 3, 2012 at 11:08pm

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