Tuesday

November 24, 2015
**Algebra**

Please check my answer and let me know if it is right or not. 25+.32m(800)=281 28+.30(400)=148 70+40+2(30+.29)=830 +.29m
*Sunday, March 15, 2015 by Jennifer*

**Algebra**

Solve for x: (x-a)/b +(x-b)/a = b/(x-a) +a/(x-b)
*Sunday, March 15, 2015 by Fred Rand*

**Algebra**

1. Solve: log (y-1) = -log(y-9) 2. Find the inverse of the logarithmic function f defined by f(y)= 2log5 (2y-8)+3.
*Saturday, March 14, 2015 by Lily*

**algebra**

you research the cost of a gallon of gasoline over several years to look for trends the table shows the data you have collected what is the equation of the line of best fit how much would you expect to pay for gasoline in 2029 a)y=0.538x+1.36; $33.10 b) y=0.289x+1.75:$18.80 C ...
*Saturday, March 14, 2015 by matt*

**college algebra**

How much should be deposited in an account paying 3.5% interest, compounded quarterly, in order to have a balance of $ 6,000after 17years and 3months?
*Saturday, March 14, 2015 by James*

**algebra**

you research the cost of a gallon of gasoline over several years to look for trends the table shows the data you have collected what is the equation of the line of best fit how much would you expect to pay for gasoline in 2029 a)y=0.538x+1.36; $33.10 b) y=0.289x+1.75:$18.80 C ...
*Saturday, March 14, 2015 by matt*

**Algebra**

This is for a project for Beginning Algebra at Great Bridge Middle School 8th grade class. Here's the questions: The number of companies offering cell phone service has grown rapidly in recent years. The plans they offer vary greatly and it can be difficult to select the ...
*Saturday, March 14, 2015 by Connie*

**linear algebra**

The outstanding balance on Peter's credit card account is 4730 dollars. The bank issuing the credit card is charging 19.3 percent of interest per year compounded monthly. If Peter decides to pay off his balance in equal monthly installments at the end of each month for the...
*Friday, March 13, 2015 by baris*

**Algebra 2**

Find a third-degree polynomial equation with rational coefficients that has roots -1 and i+1
*Friday, March 13, 2015 by Ryan*

**Algebra**

A chemist has one solution of 20% acid and another of 50% acid. how many millimeters of each are needed to obtain 30 ml of 30% acid?
*Friday, March 13, 2015 by TJ*

**Pre ALGEBRA**

what are the next three terms in the sequence -6, 5, 16, 27? A)38,49,60 B)37,47,57 C)36,45,54 D)36,46,57 i think its a Am i right Somebody help me please DAMON,MS.SUE, SOMEBODY PLEASE HELP ME
*Friday, March 13, 2015 by Oscar*

**algebra**

What is a quadratic function?
*Friday, March 13, 2015 by Alex*

**INT. Algebra**

suppose that W is inversely proportional to V. If W = 63 when V = 9, find W when V = 81
*Friday, March 13, 2015 by Rocio*

**Algebra**

In an arithmetic sequence where a6=13 and a10=25, what is the explicit formula for the general term an?
*Thursday, March 12, 2015 by Marie*

**Algebra**

An archway over a roas is cut out of rock. Its shape is modeled by the equation y= -0.1x^2+12 where y is greater than or equal to 0. Write an inequality for the archway.
*Thursday, March 12, 2015 by INeedHelp*

**algebra**

Ed Moura has $21000 invested in stocks paying 8%. How much additional money should he invest in certificates of deposit paying 4% so that the average return on the two investments is 5%?
*Thursday, March 12, 2015 by Alyssa *

**Algebra u rgent**

Find the slope of the line that goes through the following points. x:0 1 2 3 y:-4 -3 -2 -1 a-1 b1 c-4 d-7 x:-1 0 1 2 y:-4 -1 2 5 a-5 b-3 c-1/3 d3 Answers: 1) /?? 2) 3 PLEASE HELP
*Thursday, March 12, 2015 by Jake*

**algebra--1 question**

factor x^2+7x+12 Is it (x-3)(x-4) or (x-3)(x+4) ??? thx
*Thursday, March 12, 2015 by SkatingDJ*

**algebra**

square root 2 (square root 10+8 square root2)
*Thursday, March 12, 2015 by t*

**algebra**

A grid shows the positions of a subway stop and your house. The subway stop is located at (7, -6) and your house is located at (-9, 5). What is the distance, to the nearest unit, between your house and the subway stop?
*Thursday, March 12, 2015 by yasmin*

**algebra**

Factorize the following trinomial by middle term spilt. 7x-6-2X^2
*Thursday, March 12, 2015 by Naveena*

**algebra**

morgan saw 10 blue cars 8 red cars and 42 white cars drive by her house in 1 hour what is the experimental probability that the next car will not be white
*Thursday, March 12, 2015 by Erika*

**algebra**

if f(x)=6^2-5x and g(x)=2x+3 solve for f(x)=g(x)
*Wednesday, March 11, 2015 by ho*

**algebra**

how long does it take for a rock that is falling down from a distance of 200ft high? what is the formula is used for this problem?
*Wednesday, March 11, 2015 by ho*

**Pre Algebra **

A pot water at a temperature of 25°C is placed on a hot burner. The temperature increases at a rate of 15° per minute until it boils at 100° C. The water continues boiling at this temperature. What is the slope of the graph after the temperature reaches 100° C?
*Wednesday, March 11, 2015 by kiki*

**Algebra 2**

solve 3 square root 2x +1 =3 2x +1 under the sqaure
*Wednesday, March 11, 2015 by Zach*

**Algebra 2**

solve square root 5-2x + 5 =12 5-2x under the sqaure
*Wednesday, March 11, 2015 by Zach*

**Algebra 2**

solve square root 2x-5 =7 the 2x -5 is under the sqaure
*Wednesday, March 11, 2015 by Zach*

**Algebra **

If a=4.9 and b=1 5/9, the determine the value of the reciprocal of b/a. Express your answer as a common fraction.
*Wednesday, March 11, 2015 by Jenny*

**Algebra please explain!!!**

A boat costs $92,000 and depreciates in value by 15% per year. How much will the boat be worth after 10 years? 18,112.45 78,200 18,941.98 69,000 Is the answer the first one? Could somebody write down the steps for me please? Pleas help asap! Thanks
*Wednesday, March 11, 2015 by SkatingDJ*

**Algebra please explain**

A boat costs $92,000 and depreciates in value by 15% per year. How much will the boat be worth after 10 years? 18,112.45 78,200 18,941.98 69,000 Is the answer the first one? Could somebody write down the steps for me please? Thanks
*Wednesday, March 11, 2015 by SkatingDJ*

**algebra--1 question**

Radio signals travel at a rate of 3 * 10^8 meters per second. How many seconds would it take for a radio signal to travel from a satellite to the surface of Earth if the satellite is orbiting at a height of 9.6 * 10^6 meters? (1 point) 3.2 x 10^2 seconds 3.2 x 10^-2 seconds 3....
*Wednesday, March 11, 2015 by SkatingDJ*

**algebra**

Your ribbon is 78 inch wide. Your friend's ribbon is 58 inch wide. How much wider is the ribbon you are using?
*Wednesday, March 11, 2015 by math*

**algebra**

Jason is designing a rectangular garden that has area of 300 square feet. The width of the garden is five feet less than its length. Find its length and width
*Tuesday, March 10, 2015 by leyry*

**algebra**

Assume that the number of defective basketballs produced is related by a linear equation to the total number produced. Suppose that 6 defective balls are produced in a lot of 200, and 15 defective balls are produced in a lot of 300.
*Tuesday, March 10, 2015 by Anonymous*

**Algebra**

The radiator in a car is filled with a solution of 75 per cent antifreeze and 25 per cent water. The manufacturer of the antifreeze suggests that for summer driving, optimal cooling of the engine is obtained with only 50 per cent antifreeze. If the capacity of the raditor is 3...
*Tuesday, March 10, 2015 by Sue*

**algebra**

Solve the system of linear equations by graphing 3x+y=0 2x-y=5 Graph the system What is the solution of the system of equations?
*Tuesday, March 10, 2015 by Shannon*

**Algebra**

How do I find the cost of a cell phone plan if I use 400 day-timme minutes. is it the cost times the minutes plus contracts if any or just cost times the minutes. Please help me!
*Tuesday, March 10, 2015 by Tracy*

**linear algebra- check question**

I just want to make sure my reasoning is correct. Let A be a 7X3 matrix whose rank is 3 a)are the rows of A linearly dependent or independent? I said dependent because a matrix whose rank is 3 means the row rank is 3, but if there are 7 rows then they have to be dependent on ...
*Tuesday, March 10, 2015 by kirsten*

**College Algebra **

John invested his savings in two investment funds. The $12,000 that he invested in Fund A returned a 3% profit. The amount that he invested in Fund B returned a 10% profit. How much did he invest in Fund B, if both funds together returned a 6% profit?
*Tuesday, March 10, 2015 by Sara *

**Algebra 2**

I need steps on how to complete this please i am so confused and lost. :( Consider the infinite geometric series x e n=1 -4(1/3) n-1. In this image, the lower limit of the summation notation is "n=1". a. Write the first four terms of the series. b. Does the series ...
*Tuesday, March 10, 2015 by Sammy*

**Algebra 1**

Solve each system using substitution. tell whether the system has one solution, infinitely many solutions, or no Solution. 1.) y=2x -1 2x +2y= 22
*Monday, March 9, 2015 by Lindsey*

**algebra**

a community theater group finds that their funding is cut by 12%each year .this year they receive 10,000 in funding from grants and donors
*Monday, March 9, 2015 by Anonymous*

**Algebra Please!**

Posted by Thomas M on Monday, March 9, 2015 at 4:12am. I am working wth a cell phone performance task project. I have to determine which three cell phones are the best for a first time user and develop an equation for each of them. Wal-Mart has a plan for $30.00 a month with ....
*Monday, March 9, 2015 by Thomas M*

**algebra**

Andy is 47 inches and is growing 3 inches a year. Write a function for his height with respect to the number if years
*Monday, March 9, 2015 by Josey*

**physics**

a person is pulling a 100 lb box across a smooth horizontal surface. what is the acceleration of the box if they are pulling upward at an angle of 20° with a force of 75 lbs Well, I know that there is no friction involved because it is a smooth surface and that n+TsinΘ...
*Monday, March 9, 2015 by Hanky*

**Algebra**

What are the first four terms of an arithmetic sequence if the common difference is 1.5 and the first term is 15? 15,30,45,60 15,16.5,18,19.5 15,22.5,33.75,50.625 none of the above What are the first four terms of a geometric sequence if the common ratio is 10 and the first ...
*Monday, March 9, 2015 by Jeff*

**algebra**

solve using ac method 10a^2-27ab+5b^2
*Monday, March 9, 2015 by Stephanie*

**Algebra ASAP**

I a working wth a cell phone performance task project. I have to determine which three cell phones are the best for a first time user and develop an equation for each of them. Wal-Mart has a plan for $30.00 a month with .29 per minute. It includes a $70.00 phone with a rebate ...
*Monday, March 9, 2015 by Thomas M*

**algebra**

A laboratory assistant is asked to mix a 30% alcohol solution with 21 liters of an 80% alcohol solution to make a 60% alcohol solution. How many liters of the 30% alcohol solution should be used? need help do not understand this question how would i set the equation up
*Sunday, March 8, 2015 by elementary and intermediate algebra*

**High School Algebra II**

Hey friends, I have a big assignment I've been given that I really, really could use an 100% on. I've been working on it for hours and have a decent amount done, have had teacher help, and have had friends work with me on it, but I still need help. If anyone has any ...
*Sunday, March 8, 2015 by J*

**Algebra 2**

2x^3 - 250 = 0
*Sunday, March 8, 2015 by Anonymous*

**algebra**

factor 70 x^2+77 x+21 complex
*Sunday, March 8, 2015 by sherman*

**algebra**

32.8% off of 106
*Saturday, March 7, 2015 by Meredith Grey*

**algebra**

Sheila is climbing on a ladder that is attached against the side of a jungle gym wall. She is 5 feet off the ground and 3 feet from the base of the ladder, which is 15 feet from the wall. How high up the wall is the top of the ladder?
*Saturday, March 7, 2015 by chrissy*

**algebra**

What function is represented by the cost of cell phone service that charges abase amount plus $.20/min?
*Saturday, March 7, 2015 by Becky*

**Algebra**

What is point-slope form?
*Saturday, March 7, 2015 by Anonymous*

**College Algebra**

a paper manufacturing company recycles paper, cans and other sheet metal. the profit on the paper is $500 and the profit on the cans is $350 per pound A) write the objective function that models the daily profit B) the manufacture is bound by the following constraints , namely...
*Friday, March 6, 2015 by meri*

**algebra **

1. You have the numbers 1–24 written on slips of paper.If you choose one slip at random, what is the probability that you will not select a number which is divisible by 6? a) 1/6 b) 5/6 c) 1/3 c) 2/3 2. There are 12 members of student council. Four of them will be elected...
*Friday, March 6, 2015 by nicka*

**College Algebra**

take the indicated quadratic inequality x^2−13x+36≤0 A)determine the type of graph B)does it go up or down C) the size D)graph the equation E)define the vertex F)X -intercept G) Y-intercept H)focal point
*Friday, March 6, 2015 by meri*

**College Algebra**

a paper manufacturing company recycles paper, cans and other sheet metal. the profit on the paper is $500 and the profit on the cans is $350 per pound A) write the objective function that models the daily profit B) the manufacture is bound by the following constraints , ...
*Friday, March 6, 2015 by meri*

**algebra**

Solve.(Find all complex-number solutions.) 12t^2 + 17t = 40
*Friday, March 6, 2015 by Jane*

**algebra**

How do I solve for this: F = Av^2/400, for v (force of wind on a sail).
*Friday, March 6, 2015 by Jane*

**College Algebra**

write an equation for the line that passes though (3,3) and is parallel to the line with equation 4x+y-5=0
*Friday, March 6, 2015 by meri*

**College Algebra**

let F ( X) = X^2 -2x+1 and g (X) =x-1 A) Find f ( g (2)). B) Find g (f(-1)). C) Find f (2) -g(3) D) Find f(-1)*g(-2) E) Find f ( X)/g(X)
*Friday, March 6, 2015 by meri*

**College Algebra**

take the indicated quadratic inequality x^2−13x+36≤0 A)determine the type of graph B)does it go up or down C) the size D)graph the equation E)define the vertex F)X -intercept G) Y-intercept H)focal point
*Friday, March 6, 2015 by meri*

**College Algebra**

write the linear function in slope intercept format of the line passing through A (1,3) B(4,-4)
*Friday, March 6, 2015 by meri*

**College Algebra**

Find the Distance between the points A (2,3) and B (-1,-1)
*Friday, March 6, 2015 by meri*

**College Algebra**

Find the domain and range of the function F(X) = x+4 ------ X^2−1
*Friday, March 6, 2015 by meri*

**College Algebra**

it is a known fact that the snout of a florida crocodile is seen above water varies directly with its body length if you see a crocodiles snout above water that is 2 feet long the normal body length is 7 feet, therefore if you see a snout above water while canoeing that is ...
*Friday, March 6, 2015 by meri*

**College Algebra**

find the accumulated value of an investment of 680$ @ 4% compounded monthly for 17 years
*Friday, March 6, 2015 by meri*

**algebra**

factor polynomial by grouping 3z^3+2z-12z^2-8
*Thursday, March 5, 2015 by rose*

**algebra**

what is y=x^2-2x-8 in vertex form?
*Thursday, March 5, 2015 by john*

**Algebra **

Joel has twice as many CDs as Mariella has. subtracting seven from the number of CDs Joel has an dividing by three equals the number of CDs Blake has. If Blake has 25 CDs how many CDs does mariella have?
*Thursday, March 5, 2015 by Ann*

**math: algebra**

I need help checking my answer. I wasn't sure if 8 and 8 were both side lenegth's or if 22 is the slant height but I think it is got kind of confused there also wasn't sure how I was suppose to solve it but I sloved the problem how I though it was suppose to be ...
*Thursday, March 5, 2015 by meep*

**Algebra**

A rectangular pool has a perimeter of 142 feet. The length is 25 feet longer than the width. Find the length and width of the pool.
*Thursday, March 5, 2015 by Emily*

**ALGEBRA**

Find the area of an irregular shape.Round to the nearest tenth. The picture looks like the post office mail box. The top half radius is 5cm and the lower half is 8cm a 90.2 cm^2 b 241 cm^2 c 65.1 cm^2***** d 72.3 cm^2 Please help
*Thursday, March 5, 2015 by BUBBLES*

**Pre-Algebra **

What is the length of the diagonal for the rectangular prism to the nearest whole unit? LENGTH:12 cm WIDTH:4 cm HEIGHT:9 cm A.16 cm B.15 cm C.13 cm D.10 cm i thinks its c. i think...
*Thursday, March 5, 2015 by bruh*

**Phsyics HELP!**

A car accelerates uniformly from +10.0 m/s to +50.0 m/s over a distance of 225 m. How long did it take to go that distance? Show all your work, including the equation used, given and unknown quantities, and any algebra required. Make sure your answer has the correct number of ...
*Thursday, March 5, 2015 by Vivian*

**Algebra**

Find the principal when the amount in the account is 11,000 and rate of interest is 3.45 percent compounded interest is quarterly for 2.5 years.
*Thursday, March 5, 2015 by Dave*

**algebra**

A graduated cylinder with a radius of 3 cm contains water to a height of 9 cm. Yann adds 15 steel balls, each with a diameter of 2.54 cm. What is the total volume of the contents in the cylinder after the balls are added? Use 3.14 to approximate pi and round your answer to one...
*Thursday, March 5, 2015 by tami*

**algebra**

One phone company charges a fee of $1 and $.50 a minute. Another company charges a connection fee of $5 but only charges $.25 a minute How long is a phone call that costs the same with both companies? How much does it cost?
*Wednesday, March 4, 2015 by Uahgs*

**Algebra**

solve each formula for the indicated variable. A) a= v/t for v=? B) pe= mgh for g=? C) p= 2(l+w) for w=? D) d= a+abc for c=? i need help please.
*Wednesday, March 4, 2015 by Finn*

**Algebra difference quotient**

I am doing difference quotient. I am to write the difference quotient in simplistic form. I am having trouble on the simplifying. f(x) = 2x-3/4 The answer I got for this one is h-3/2h, provided h does not = 0. I wasn't sure on the simplifying at the end. The second one is ...
*Wednesday, March 4, 2015 by Hutch*

**algebra**

A restaurant sells about 330 sandwiches each day at a price of $6 each. For each $0.25 decrease in price, 15 more sandwiches are sold per day. How much should the restaurant charge to maximize daily revenue? What is the maximum daily revenue?
*Wednesday, March 4, 2015 by soff*

**Algebra**

True or False and please explain so that I can understand. Thank you. 1. (1,0) is always a point on the graphy of y = logb (x). 2. If x=b^2y for b > 1, then y = 1/2 logb (x).
*Wednesday, March 4, 2015 by Lily*

**Algebra**

If you got paid $15 for 3 hours of work one day and $45 for 8 hours work on another day. Find your hourly rate of pay for the 2 days. My work: 15+45=60 8+3=11 60/11=5.45 What was done wrong?
*Wednesday, March 4, 2015 by Anonymous *

**Algebra**

Given: g(x) = -3/5x + 1/2. Find: when g(x) = 8 My work: -3/5x + 1/2 = 8 -6x + 5 = 80 -6x = 75 x = 75/6 x = 25/2 What did I do wrong??
*Wednesday, March 4, 2015 by Anonymous *

**Algebra **

Given l3 is parallel to l4, if l4 has no slope, find the equation of l3 if (5,-3) lies on l3. my work: L3: y=mx+b L3: y=0(5)-3 y=-3 What did I do wrong??
*Wednesday, March 4, 2015 by Anonymous *

**Pre ALGEBRA**

Someone please help 2. You toss a coin 15 times. P(heads) 2/5 = • experimental; the result is found by repeating an experiment. **** • experimental; the result is based on the number of possible outcomes. • theoretical; the result is found by repeating ...
*Wednesday, March 4, 2015 by Oscar*

**Algebra 1 (PLEASE HURRY!!)**

{3x+y=-9 {-3x+-2y=12 What is the y-value of the solution to this system of equations? A. -7 B. -3 C. -2 D. -1 I tried them all and I must have did something wrong because none of them worked. Help please!! Thanks.
*Wednesday, March 4, 2015 by Izzy*

**Algebra 1 (PLEASE HURRY!!)**

f(x)=-3x+1 What is f(3)? A. -10 B. -8 C. 8 D. 10 Is the answer B? Thanks
*Wednesday, March 4, 2015 by Izzy*

**algebra**

The Kwon family has a rainwater catchment system they use to water their garden. After 3 days without rain, the depth of water in the tanks is 63 inches. After 5 days, the depth is 57 inches. Write an equation in point-slope form describing the situation
*Wednesday, March 4, 2015 by Devon*

**Algebra 1**

{3x+y=-9 {-3x+-2y=12 What is the y-value of the solution to this system of equations? A. -7 B. -3 C. -2 D. -1 I tried them all and I must have did something wrong because none of them worked. Help please!! Thanks.
*Wednesday, March 4, 2015 by Izzy*

**Algebra 1**

f(x)=-3x+1 What is f(3)? A. -10 B. -8 C. 8 D. 10 Is the answer B? Thanks
*Wednesday, March 4, 2015 by Izzy*

**algebra**

a rectangular prism has a length of 6 inches and a volume of 120 cubic inches. the length of this prism changed to 3 inches and the other dimensions stayed the same. What is the volume of the prism after the change
*Wednesday, March 4, 2015 by Guest user*

**algebra**

Nine less than the product of 20 and Mabel's height
*Wednesday, March 4, 2015 by unnow n*

**Algebra **

13 1/3 divided by 22 1/2
*Tuesday, March 3, 2015 by Lisa *

**Algebra **

5/2 divided by 5/9 =
*Tuesday, March 3, 2015 by Anonymous*

**Algebra **

A person's trip from the city to his cabin in the mountains was 229.6 miles. If his car used 4.5 gallons of gas for the trip, estimate the number of miles his car gets to the gallon
*Tuesday, March 3, 2015 by Anonymous*