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April 24, 2014

April 24, 2014

**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 â€¢ 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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