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April 24, 2014

Homework Help: Math: Algebra

Recent Homework Questions About Algebra

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Algebra
2(3x + 5) = 46 a. 4 b. 5 c. 6 d. 7 C 1/2x + 1/4x = 16 (need help on this one) a. 16 b. 21.3 c. 32 d. 64 6 - x - x = 18 a. -6 b. 6 c. 9 d. -9 A 4x - 3/5 = 2/5 a. 1/5 b. 5/5 c. 1/2 d. 1/4 D
Thursday, September 26, 2013 at 11:24am

algebra
(5^2-16w+3)/5w^2+24w-5)*(15w^2-8w+1)/(3w​^2+14w-5)
Thursday, September 26, 2013 at 10:58am

algebra
5/w-3 w=
Thursday, September 26, 2013 at 8:34am

algebra
(8+9x), (64-81x^2), (8-9x) LCM is
Thursday, September 26, 2013 at 8:33am

Algebra
Simplify radical terms, including fraction power expressions. Review the expression below and describe how to simplify the expression: ã100 Please help, I just do not know how to describe this.
Thursday, September 26, 2013 at 7:46am

Algebra
How many positive integers are there such that ⌊√x⌋=10? My answer was 11 but somehow that was wrong.
Thursday, September 26, 2013 at 1:21am

Algebra
f:R→R is a function satisfying f(2x+1)=4x^2+4x. So what is the value of f(12)?
Thursday, September 26, 2013 at 1:14am

Algebra
4x + 3/5 = 2/5
Wednesday, September 25, 2013 at 11:13pm

Algebra 2
For the equation y<or equal to -x^2+3x+10 I got the vertex (3/2, 67/4). Is this right?
Wednesday, September 25, 2013 at 11:01pm

algebra
Susie purchased a laptop computer for $2000 at the beginning of the year in 2008,the value of the computer decreased by 20% each year. Susie wants to purchase a new laptop computer when the value of hers falls below $500. When will Susie be able to purchase a new laptop?
Wednesday, September 25, 2013 at 10:01pm

algebra
I am having trouble figuring out how to identify the unknown number
Wednesday, September 25, 2013 at 9:49pm

Algebra
Simplify radical terms, including fraction power expressions. Review the expression below and describe how to simplify the expression: 16 1/2 Please help, I just do not know how to explain this.
Wednesday, September 25, 2013 at 8:01pm

algebra
(4A+8) divide by 2=
Wednesday, September 25, 2013 at 7:51pm

algebra
I have to find the inverse of f(x)=9x+7 please show steps so I can see to understand
Wednesday, September 25, 2013 at 5:14pm

Algebra
A cab charges $1.75 for the first mile and $0.25 for each additional mile. Write and solve an inequality to determine how many miles Eddie can travel if he has $15 to spend
Wednesday, September 25, 2013 at 2:16pm

Algebra
Debbie finished her algebra test early so she decided to check each of her answers. After checking her answer to question #10, she realized she made a mistake in her solution. In which step does Debbie make her mistake? Original Equation: 2 + 3y = 5(y - 2) Step One: 2 + 3y = ...
Wednesday, September 25, 2013 at 11:14am

Algebra
Suppose someone opens the valve on a large water tank so that water drains out. Choose a starting volume of water in the tank (from 100 to 500 gallons), and choose how much water drains out each day (from 2 to 5 gallons). Write the equation that models the relationship between...
Wednesday, September 25, 2013 at 9:05am

Math-Algebra
Imelda was looking out from the window of her p[enthouse condominium when she saw a ship. Since she is a geodietic engineer, she used her laser rangefinder to measure her distance from the ship and got 2 025.488 m. If her penthouse unit is on the 68th floor, which is ...
Wednesday, September 25, 2013 at 4:49am

Math Algebra
Question:: You are about to take a test that contains questions of type A worth 4 point and of type B worth 7 points. You must andwer at least 5 of type A and 3 of type B, but time restricts answering more than 10 of either type. Intotal, you can answer no more than 18. How ...
Tuesday, September 24, 2013 at 10:49pm

Algebra 2
A stunt motorcyclist makes a jump from one ramp 20 feet off the ground. The jump between ramps can be modeled by y= -1/640x^2 + 1/4x +20 where x is the horizontal distance (in feet) and y is the height above ground (in feet). I think a is 20 feet, but I don't know how to ...
Tuesday, September 24, 2013 at 10:00pm

Algebra
Leo's garden, which is 6m wide, has the same area as Jen's garden, whichis 8m wide. Find the length of the two rectangular gardens if Leo's garden is 3m longer than Jen's garden.
Tuesday, September 24, 2013 at 9:51pm

Algebra 2
For the period 1990-2002, the number s (in thousands)lf cellular telephone subscribers in the United States can be modified by S=858t^2 + 1412t + 4982 where t is the number of years since 1990. In what year did the number of subscribers reach 50 million? The choices are the ...
Tuesday, September 24, 2013 at 9:26pm

Algebra 2
| t - 7 | + 3 > or = 4
Tuesday, September 24, 2013 at 9:06pm

Algebra 2
(12xy)4
Tuesday, September 24, 2013 at 8:48pm

Algebra 2
Write this expression in expanded form. 4(a-b)2
Tuesday, September 24, 2013 at 8:41pm

Algebra
Factor completely. (a^2+2ab+b^2-c^2)
Tuesday, September 24, 2013 at 7:45pm

algebra homework
f(x) and g(x) are monic quadratic polynomials that satisfy the following conditions: f(x)=0 has real distinct roots a1 and a2. g(x)=0 has real distinct roots b1 and b2. {f(b1),f(b2)}={b1,b2}. (set of f(b1),f(b2) is same as b1, b2) {g(a1),g(a2)}={a1,a2}. (set of f(a1),f(a2) is ...
Tuesday, September 24, 2013 at 7:17pm

Algebra
Mona earns 3 times as much as an actuary as she does as a writer. Her total income is $40,000 more than her brother. He earns half as much as Mona does as an actuary. What is Mona's salary as an actuary?
Tuesday, September 24, 2013 at 5:49pm

algebra 1
Tell whether the sequence is arithmetic. If the sequence is arithmetic, write a function rule to represent it. 12, –9, 6, –3, ...
Tuesday, September 24, 2013 at 5:45pm

Algebra II
Given the function k(x) = x2, compare and contrast how the application of a constant, c, affects the graph. The application of the constant must be discussed in the following manners: k(x + c) k(x) + c k(cx) c • k(x)
Tuesday, September 24, 2013 at 10:48am

Algebra
Graph inequalities -2x>18
Tuesday, September 24, 2013 at 9:25am

Pre algebra
A number multiplied by itself and then by itself again gives -1,000. What is the number? Please show the solution step by step
Tuesday, September 24, 2013 at 2:07am

algebra 2
How would you solve 3x^2+8x-91=0 and 9r^2+4r+2=0 using the quadratic formula?
Monday, September 23, 2013 at 10:45pm

Algebra
4. A shipping crate has a square base with sides of length x feet, and it is half as tall as it is wide. If the material for the bottom and sides of the box costs $2.00 per square foot and the material for the top costs $1.50 per square foot, express the total cost of material...
Monday, September 23, 2013 at 9:59pm

7th grade pre-algebra
The problem is a(a-c)=23. Solve for c if both a and c are positive numbers. Thanks
Monday, September 23, 2013 at 9:14pm

algebra
if it takes you half an hour to travel 26 miles to work what is your average speed
Monday, September 23, 2013 at 6:39pm

algebra
The perimeter of a collrge athletic field is 104 meters and the length is 18m more than the width.Find the length and width.
Monday, September 23, 2013 at 2:44pm

Algebra (Work Problem)
Susan's backyard has three faucets: A, B and C. If she turns on all three of them, it takes 380 minutes to fill the pool. If she turns on only A and B, it takes 570 minutes, and if she turns on only B and C, it takes 760 minutes. If she turns on only A and C, how long will...
Sunday, September 22, 2013 at 8:15pm

Algebra
Each day, a lion in South Africa spends 1/6 of the day watching gnus and 1/4 hours chasing gnus. Then the lion takes 4 times as much time consuming the gnus as chasing the gnus. What is the number of minutes that a lion spends a day watching, chasing and consuming gnus?
Sunday, September 22, 2013 at 7:41pm

Algebra 1
1). 5 - (t + 3) = -1 + 2(t - 3)
Sunday, September 22, 2013 at 7:37pm

Algebra
On a hot summer day, Sunny bought 18 ice creams for her team members. Some were $7 each, and the others were $10 each. If she paid $165 in total, how many $7 ice creams did she buy?
Sunday, September 22, 2013 at 7:20pm

Algebra
An average American spends 30 minutes a day waiting in a line. They also drive for 5/3 hours, eat for 5 quarters of an hour, and talk on the phone for 83 minutes every day. If they spend 1/x of their lifetime on waiting in a line, driving, eating, or talking on the phone, what...
Sunday, September 22, 2013 at 7:15pm

Math - Algebra (Dry Mix)
A candy store sells almonds for $18 per kilogram and peanuts for $8 per kilogram. If it sells 20 kilograms of mixed nuts for $10 per kilogram, how many kilograms of almonds are in the mixed nuts?
Sunday, September 22, 2013 at 6:57pm

algebra
8x-4>=12or-2/5x>6
Sunday, September 22, 2013 at 6:44pm

algebra
(38) please help me figure this out. The multiple choice answers did not match the answer that I got. Select approx values of x that are solutions to f(x)=0 where f(x)=-7x^2 + 5x + 9 please show me steps
Sunday, September 22, 2013 at 6:39pm

algebra
(35) I need to determine equation of g(x) that results from translating function f(x) = x^2 + 3 and upward 7 units please help me by showing steps thank you
Sunday, September 22, 2013 at 6:36pm

Algebra 1
1.) 28 - 0.3 = 0.7 - 12 2.) 3c -4c + 1 = 5c + 2 + 3
Sunday, September 22, 2013 at 1:59pm

Algebra
5 times the least of three consecutive odd numbers is 35 more than twice the sum of the greater two. What is the sum of the three consecutive odd numbers?
Sunday, September 22, 2013 at 11:11am

algebra
a teacher reported 1/5 made A's, 1/4 made B, 1/3 made C's, 1/6 made D's, and 12 made F's How many are in the class Let X = the number of students 57/60 + 12 -------
Sunday, September 22, 2013 at 12:22am

Algebra
Is -7 + 9 = -9 + 7 true, false, or open? a. true b. false (this one?) c. open Is 4x - 3 = 19 true, false, or open? a. true b. false c. open (this one?) Which of the following is a solution to the equation 16 = 4x - 4? a. -5 b. -4 c. 5 (this one?) d. 16
Saturday, September 21, 2013 at 11:55pm

algebra
-22x + 11y +55z =
Saturday, September 21, 2013 at 10:47pm

algebra
Can someone help me with steps showing select approximate value of x that are solutions to f(x)=0 f(x)=-7x^2 + 5x + 9
Saturday, September 21, 2013 at 10:46pm

prealgerbra & introductory algebra
-22+y=y/-14
Saturday, September 21, 2013 at 10:31pm

Intermediate Algebra
y/11=3
Saturday, September 21, 2013 at 10:11pm

Algebra
Order the following numbers from least to greatest. √5, -0.1, (-5/3), 0.7, √2 a. 0.7, √2, (-5/3), √5, -0.1 b. √5, √2, 0.7, (-5/3), -0.1 c. (-5/3), -0.1, 0.7, √2, √5 ? d. -0.1, 0.7, √2, √5, (-5/3) To which subsets of ...
Saturday, September 21, 2013 at 8:29pm

Algebra
The temperature at the end of the day was 64 degrees. The temperature had increased twice during the day, once by 8 degrees and another time by 4 degrees. Which expression shows what the temperature was at the start of the day? a. 64 - 8 - 4 ? b. 64 + 8 - 4 c. 64 - 8 + 4 d. 78...
Saturday, September 21, 2013 at 7:42pm

Math-Algebra
The table shows the amount earned for washing cars. How much is earned for washing 25 cars? 3 cars=$13.50, 6 cars=$27, 9 cars=$40.50, and 12 cars=$54
Saturday, September 21, 2013 at 7:20pm

Algebra
Two cyclists leave towns apart at the same time and travel toward each other. One cyclist travels slower than the other. If they meet in hours, what is the rate of each cyclist?
Saturday, September 21, 2013 at 6:34pm

Algebra
Two cyclists leave towns apart at the same time and travel toward each other. One cyclist travels slower than the other. If they meet in hours, what is the rate of each cyclist?
Saturday, September 21, 2013 at 4:30pm

algebra
Thank for the answer to the problem: the perimeter of a basketball court is 108 meters and length is 6 mters longer than twice the width. You gave me the width, but not the length. What is the length?
Saturday, September 21, 2013 at 4:26pm

Algebra
Which property is illustrated by the following statement? (7p)mn = 7p(mn) a. Commutative Property of Multiplication b. Associative Property of Multiplication(?) c. Inverse Property of Multiplication d. Commutative Property of Addition What is the simplified form of the ...
Saturday, September 21, 2013 at 4:26pm

Algebra
The perimeter of a basketball court is 108 meters and the length is 6 meters longer than twice the width. what are the length and the width?
Saturday, September 21, 2013 at 3:40pm

Algebra Answer Check
What is the algebraic expression for the following word phrase: the quotient of 6 and the sum of 5 and y? 6 a. ----- 5-y 6 b. ----- (?) 5+y c. 6(5+y) d. 6/5 + 6y What is the algebraic expression for the following word phrase: the quotient of j and 8? a. j-8 b. j+8 c. j...
Saturday, September 21, 2013 at 2:12pm

Algebra
Two cyclists leave towns apart at the same time and travel toward each other. One cyclist travels slower than the other. If they meet in hours, what is the rate of each cyclist?
Saturday, September 21, 2013 at 2:06pm

Algebra Answer Check
Which property is illustrated by the following statement? 2x(6) = (6)2x a. Associative Property of Addition b. Commutative Property of Multiplication (?) c. Inverse Property of Multiplication d. Commutative Property of Addition Which property is illustrated by the following ...
Saturday, September 21, 2013 at 1:06pm

Algebra Answer Check
What is the simplified form of the following expression? 7m^2 + 6.5n - 4n + 2.5m^2 - n a. 9.5m^2 + 1.5n (?) b. 4.5m^2 + 1.5n c. 1.5m^2 - 4.2n d. 9.5m^2 - 1.5n Simplify the following expression. 1/3(21m + 27) a. 7m + 27 b. 7m + 9 (?) c. 63m + 9 d. 7m + 81 What is the sum? 7/4...
Saturday, September 21, 2013 at 12:46pm

algebra
A parallelogram is 22 inches long and 14 inches wide. How do you find the height of the parallelogram? How do you find the area of the parallelogram ?
Saturday, September 21, 2013 at 2:03am

algebra
I have to find the solution for (fg)(x) f(x)= -6x-1 g(x)=4x^2 can you show steps please
Saturday, September 21, 2013 at 1:55am

algebra
I need to find the first five terms in the arithmetic sequence in an =(2)^n-1 n=1 I don't know now to type the n's smaller.
Saturday, September 21, 2013 at 1:48am

Algebra 2
factor 2x^2-50 completely
Friday, September 20, 2013 at 5:01pm

Algebra
Please solve for M28 A=nm2
Friday, September 20, 2013 at 4:11pm

Algebra
Solve the formula for the variable S p = s/n
Friday, September 20, 2013 at 4:02pm

algebra
What are the tables for f (x) = |2x-1| f (x) = [[x]] + 3 f (x) = -|x-2| f (x) = |2 [[x-1]]| f (x) = [[x]]-2 f (x) = 2 [[x+1]]
Friday, September 20, 2013 at 11:46am

algebra
can someone show me steps for this the product of (6x+9)(x^2-4x+5)
Friday, September 20, 2013 at 1:35am

algebra
Can I get help finding the difference. Please show steps for me. (2x^2 -5x^3)-(8x^2 -7x^3) I get -6x^2-12x^3 is that correct?
Friday, September 20, 2013 at 1:34am

Math
an algebra book weighs 6 oz less than twice as much as grammar book. if 5 algebra books weigh the same as 8 grammar books, how much does an algebra book weigh?
Thursday, September 19, 2013 at 10:37pm

Algebra
Could you please tell me how to graph the inequality on a plane. 4x-3<7x+y with a line under the greater symbol
Thursday, September 19, 2013 at 9:10pm

solve algebra equation
32.1=a-21.8
Thursday, September 19, 2013 at 8:40pm

Algebra
The lengths in feet of three ropes are consecutive multiples of three. If each rope were four feet shorter, the sum of their lengths would be 42 feet. Find the lengths of the three ropes.
Thursday, September 19, 2013 at 7:53pm

Algebra
The lengths in feet of three ropes are consecutive multiples of three. If each rope were four feet shorter, the sum of their lengths would be 42 feet. Find the lengths of the three ropes.
Thursday, September 19, 2013 at 6:34pm

Algebra
The length in feet of three ropes are consecutive multiples of three. If each rope were 4 feet shorter, the sum of their lengths would be 42 feet. Find the lengths of the three ropes.
Thursday, September 19, 2013 at 6:12pm

algebra
Naomi has 50 red beads and white beads. The number of red beads is 1 more than 6 times the number of white beads. How many red beads does Naomi have?
Thursday, September 19, 2013 at 4:53pm

Help Plz.. Algebra II
Allegra has a cell-phone plan that charges $65 per month and $0.10 for every minute that she uses the phone beyond what her plan allows. One month, she was billed $73.40. a. Define a variable for the unknown. b. Write an equation to model the problem. Explain your answer. c. ...
Thursday, September 19, 2013 at 3:16pm

Algebra II
Solve the equation and write the solution set. |4x – 8| – 3x = 6x + 2 I need help!!
Thursday, September 19, 2013 at 3:08pm

algebra
5x + 0.050= -0.732
Thursday, September 19, 2013 at 2:46pm

algebra 2
x + my =d
Thursday, September 19, 2013 at 1:18am

algebra
write the expression that represents the total length of each segment. .__x____.____9_____.
Thursday, September 19, 2013 at 12:48am

algebra
5x - 7 (2 - 4x)
Wednesday, September 18, 2013 at 11:23pm

Algebra 1
2 + y / 3 = - 1
Wednesday, September 18, 2013 at 9:06pm

Algebra
The formula for area of a rectangle is Lw.L=4 and W=4 and w =6.find area of the rectangle
Wednesday, September 18, 2013 at 6:43pm

Algebra
(62+15)+38=62+(15+38)
Wednesday, September 18, 2013 at 4:11pm

algebra
Solve the system by substitution: -4.5x-2y=-12.15 3.25x-y=-0.75
Wednesday, September 18, 2013 at 3:26pm

Math, Algebra
Need to check answers. Q1. Find the length of the following segment created by these pairs of endpoints: (0, 1), (0, 7) Answer : 0 Q2. Find the length of the following segment created by these pairs of endpoints: (9, 6), (12, 6) Answer : 3 Q3. Find the length of the following ...
Wednesday, September 18, 2013 at 11:25am

College Algebra
Need help in working this problem - the cost of renting an edger is $16.50 for the first hour and $10.95 for each additional hour. How long can a person have the edger if the cost must be less than $55.00? (This is a question under the inequalities section)
Wednesday, September 18, 2013 at 8:35am

algebra
please help me for this problem.im not good in math.the challenge involves in dealing with the owner is to use a 20 meter fencing material to build a pig pen so that the owner will not be buying any additional materials considering also that one side of the pen is the outside ...
Wednesday, September 18, 2013 at 5:14am

Algebra
1. The cost in dollars of an "n" mile trip with the Supreme Taxi Service is given by 1.5 + 1.75n. The cost of an "n" mile trip using Twon Taxi Service is given by 1.9 + 1.6n. For rides between 1 and 10 miles, which service would you choose? Explain. 2. ...
Tuesday, September 17, 2013 at 11:52pm

algebra 2
What is the absolute value if 10-7i?
Tuesday, September 17, 2013 at 11:16pm

algebra 2
1) You want to buy gift for a friend and that likes going to the movies. You want to spend no more than $40.00 but no less $24.00. The tickets are $7.50 each. How many tickets can you purchase for the friend? 2) You decide that you will spend more on your friend and you ...
Tuesday, September 17, 2013 at 9:17pm

algebra
A rectangular box has Dimensions 16 inches and 22 inches and volume 4224 cubic inches. If the same amount is decreased from the largest and smallest sides, the volume of the new box is 6/11 of the first box. Find the dimensions of the second box.
Tuesday, September 17, 2013 at 8:08pm

Algebra
Why was the dirty old hotel called the fiddle ? (There is only 22 letter spots) algebra with pizzazz
Tuesday, September 17, 2013 at 7:41pm

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