Saturday

February 28, 2015

February 28, 2015

Total # Posts: 737

**precalc**

thanks i got the first one now! for the second one I used the quadratic eqn and got 4 but that is not the answer?
*July 15, 2011*

**precalc**

How would you find the inverse of these two functions: f(x)=4/(x-4)^2 and f(x)=x^2-8x+16 could you please show me step by step i have been trying to figure it out for hours.
*July 15, 2011*

**Geometry**

line XY bisects and is perpendicular to line segments AB and CD . AB = 96 inches, and line segment AP = 52 inches. What is the length of XY ?
*July 14, 2011*

**Algebra 1**

Find Each Sum Or Difference. Its addition. 3a+2b - 7c -4a+6b+9c -3a - 2b - 7c
*June 29, 2011*

**Algebra 1**

Find Each Sum Or Difference. (13x + 9y) - 11y
*June 29, 2011*

**statistics**

What is the expected value of M when n=4 scores and if a 2 year old boys weighs 36 pounds, how much protein should he consume?
*June 24, 2011*

**Math**

write as a single fraction in its lowest terms: (x-2)/3 + (x+1)/4
*June 21, 2011*

**Lab**

I did a virtual lab on acceleration on gravity on earth. That number is 9.81 m/s ^2. I don't understand the error that could have came out of this
*June 21, 2011*

**Lab**

When doing a virtual lab everything is exact, but why would they still ask for absolute and relative errors?
*June 21, 2011*

**sociology**

thank you
*June 15, 2011*

**sociology**

How might the label of deviance act as a self-fulfilling prophecy? I don't understand this question...what do they mean by self-fulfilling prophecy?
*June 15, 2011*

**sociology**

I completely agree I think my textbook is just a little outdated.
*June 14, 2011*

**sociology**

Thank you for your feedback...I actually skipped a page and this is what is defined: old-old 85 and older middle old 75 through 84 young old ages 65 through 74 newly old is below that so baby boomers would be newly old.
*June 14, 2011*

**sociology**

Haha I am sorry I do not mean to offend but that is what is written in my sociology textbook and it does not make any sense to me at all
*June 14, 2011*

**sociology**

would baby boomers be old old, middle old, or newly old?
*June 14, 2011*

**sociolgy**

oopss just figured it out
*June 14, 2011*

**sociolgy**

Can someone restate this question for me I don't get it at all What does the research on children reared in isolation indicate about the effects of the cultural environment on social and psychological development?
*June 14, 2011*

**child care managment**

the purpose of including a dress code in the parent handbook is to ensure that children: ☺☺☺ I have been thinking about the answer . the correct answer is •dressed in comfortable and suitable cloting. thanks anyway.
*June 6, 2011*

**child care managment**

the purpose of including a dress code in the parent handbook is to ensure that children neatly and cleanly dresssed. Am I right? thanks.
*June 6, 2011*

**business communication**

What is the answer
*June 3, 2011*

**grammar**

john went to the store, then when he got home, he called Kristy.
*May 25, 2011*

**grammar**

how about John went to the store, then called Kristy.
*May 25, 2011*

**grammar**

is this senetence put right? or how do i fix it? Commas are very important to add to a sentence where they are needed because if you don't properly use them, the reader will be confused.
*May 25, 2011*

**Algebra**

Two less than three-fourths of a number is ten. What is the number?
*May 24, 2011*

**math **

how do i convert a number that is grater than 360 to a deggese?
*May 22, 2011*

**math **

how do i convert a number that is grater than 360 to a deggese?
*May 22, 2011*

**Help with Math.**

1. I've posted this question before (once, the other post wasn't me)and I have still got no help. Peg spends $7.50 a week for grapefruit. When grapefruit are out of season, she gets 1 fewer grapefruit than when they are in season. If the price decreases by $3 per dozen...
*May 20, 2011*

**math**

Is the minimum amount 6 coins? to equal the 39 cents. 1 quarter, 1 dime and 4 pennies. 25+10+4=39
*May 19, 2011*

**math**

i posted this question yesterday. i really want to know how to do it. John bought n objects, each costing n cents. The change he recieved from his $10 bill was less than $1 and consisted of only two denominations of coins. What was the minimum number of coins that John could ...
*May 19, 2011*

**math**

John bought n objects, each costing n cents. The change he recieved from his $10 bill was less than $1 and consisted of only two denominations of coins. What was the minimum number of coins that John could have recieved?
*May 18, 2011*

**Math**

Alice, Beth, and Charlene start climbing a staircase, each with her left foot on step 1 and then her right foot on the next consecutive step. Alice climbs one step at a time, Beth two steps at a time, and Charlene three steps at a time. Each lands on the top step with her left...
*May 17, 2011*

**Life orientation**

The way this website works is this: You tell the tutors what you think. Then they can tell what help you need and work with you on your answers. Please let them know what YOU THINK.
*May 17, 2011*

**Math: I need help.**

Peg spends $7.50 a week for grapefruit. When grapefruit are out of season, she gets 1 fewer grapefruit than when they are in season. If the price decreases by $3 per dozen in season, how many dollars will it cost to buy a dozen grapefruit out of season?
*May 11, 2011*

**URGENT - History**

theres no spaces or anything i just had to do that in order to post the url because im not a tutor i just used that site to find cartoons on him also
*May 11, 2011*

**URGENT - History**

go to the site 20search. com/image .php and look in those engines
*May 11, 2011*

**ela**

Try naming some foods.
*May 10, 2011*

**ela**

1. What is spelled wrong. 2. This is not a question tutors can answer. 3. This site needs to be taken seriously. Thanks!
*May 10, 2011*

**Math**

Term? Meaning each number and/or variable seperated by a + or - sign. example 2x^2+4x-3 has three terms?
*May 10, 2011*

**Math**

How many terms are in the expansion of (a+b+c)^3 after like terms have been combined? 1. I don't know what this question is asking 2 and I don't know how to start it
*May 10, 2011*

**geometry**

find the measure in degrees of the total of 1 and 2 in square
*May 5, 2011*

**Math**

The height of a golf ball that is hit into the air with an initial vertical velocity of 112 feet per second is given by the equation h=-16t^2 + 112t, where t is the time in seconds. After how many seconds is the ball at a height of 96 feet above the ground?
*May 5, 2011*

**Math**

Can someone explain the sine rule please?
*May 2, 2011*

**Math**

How do I solve a problem like this: p^3m^2/7 + p^2m^3/21 - p^4m/14 Can you please help?
*May 2, 2011*

**Math**

Will someone help me with factoring?
*May 2, 2011*

**Computers**

I have trouble writing pseudo codes, while and for loops. Please help.
*May 1, 2011*

**computers**

I have trouble with problem solving. Can you help me please?
*May 1, 2011*

**chemistry**

Yes I have trouble with balancing equations(in general).
*May 1, 2011*

**chemistry**

NaOH(aq)+H3PO4(aq)¨Na3PO4(pq)+H2O(l) Please help.
*May 1, 2011*

**chemistry**

I don;t understand this question. NaOH(aq)+H3PO4(aq)¨Na3PO4(pq)+H2O(l)
*May 1, 2011*

**Math**

I don't fully understand factorization in algebra. I've got a problem: 9x-27x^3. Can you please help me?
*May 1, 2011*

**MATH**

i would say 44 4+4 is eight. If you put 44 into groups of 7 then there would be 6 in each group. and 6*7 is 42 which means there would be 2 left over
*April 28, 2011*

**math**

Find all real solutions to the following equation: (x^2 -7x +x)^(x^2 - 2x - 35)
*April 28, 2011*

**PHYSICS**

You are driving a car down a straight road at a constant 48 miles per hour. Consider the following forces: I) air drag pushing back on the car; II) gravity pulling down on the car; III) the ground pushing up on the car; IV) friction pushing the wheels (and the car) forward; ...
*April 28, 2011*

**Government**

Can the president veto the choice of congress's salary?
*April 27, 2011*

**Math**

nice explanation, i understand
*April 26, 2011*

**Math**

consider the following linear equataion: 4x+11y=2011 How many solutions are there such that x and y are positive integer? (note the date 4/11/2011)
*April 26, 2011*

**Finance**

How much will Pauline pay in interest if she takes out a simple interest loan with a principal of $3,900 at 7.2% for three years?
*April 24, 2011*

**physics**

A mass of 12.7 kg is hanging by a steel wire 1.02 m long and 1.12 mm in diameter. If the mass is pulled down slightly and released, what will be the frequency of the resulting oscillations? Young's modulus for steel is 2.0 1011 N/m2.
*April 23, 2011*

**Math.**

A bowl contains 8 marbles: 3 red, 2 blue, 1 white, and 2 green. If 3 marbles are randomly selected without replacement, what is the probability that no green marble is selected? I don't know how to do probability.
*April 15, 2011*

**math/science**

describe the symmetries of a water molecule.
*April 13, 2011*

**math**

let x and y be real numbers. find the area enclosed by the graph of the following equation: abs(2x)+abs(2y)=1
*April 13, 2011*

**help(math)**

Signs in a department store read, "75% off original prices when you take an extra extra 50% off already reduced prices." By what percent were original prices reduced before today's sale?
*April 13, 2011*

**Math**

lisa checks the stats for her favorite puzzle game on her Ipod. she sees that she has won exactly 72% of the 2400 puzzles that she has played. what is the minimum numbers of puzzles that lisa must win before she has won at least 73% of the total number of puzzels played. i ...
*April 13, 2011*

**chemistry**

Oleum or fuming sulfuric acid available commercially in concentrations ranging from 20 to 99.9% sulfur trioxide. What is the percent by mass of sulfur trioxide (SO3) if oleum is expressed as 3H2SO4 . 5SO3?
*April 8, 2011*

**math**

Katie is on the 15th floor of a building. She throws a ball straight down from the window, which is 220 feet above the ground. How fast must she throw the ball(in feet per second) for it to hit the ground in 3 seconds?
*April 7, 2011*

**Chemistry **

I have 5.0 ml of lead II NITRATE and mix it with 20.0 ml of Sodium Iodide. what is the formula of the precipitate
*March 20, 2011*

**calculus**

A 20 ft ladder is leaning against the side of a house. If the bottom of the ladder is moving away from the house at the rate of 2 feet per second, how fast is the top of the ladder moving down the wall when the bottom of the ladder is 12 feet from the house
*March 16, 2011*

**math**

Find all the two digit prime numbers neither of whose digits are prime. Someone helped me yesterday but I do not understand.
*March 15, 2011*

**Math**

Find the smallest possible sum of six consecutive integers such that none of the integers is prime.
*March 14, 2011*

**Math**

is 48 included in the numbers you listed?
*March 14, 2011*

**Math**

okay, thank you
*March 14, 2011*

**Math**

Find all the two digit prime numbers neither of whose digits are prime.
*March 14, 2011*

**physics : different question **

Rank the automobiles based on the magnitude of the force needed to stop them, from largest to smallest. 2000 kg car going 5m/s 500 kg car going 20 m/s 1000 kg car going20m/s 500 kg car going10m/s 1000 kg car going10/s 4000 kg car going 5m/s
*March 8, 2011*

**physics**

Rank these automobiles based on the magnitude of the impulse needed to stop them, from largest to smallest. 2000 kg car going 5m/s 500 kg car going 20 m/s 1000 kg car going20m/s 500 kg car going10m/s 1000 kg car going10/s 4000 kg car going 5m/s
*March 8, 2011*

**10th geade Chem**

Does anyone know how much heat do I need to convert 95g. of ice at -25 C. to water at 30 C. the heat capacity of H2O(s) is 2.1 J/g*C.
*February 28, 2011*

**Chem**

How much heat do I need to convert 200g of liquid water at -25C to water at 30C?. The specific heat capacity of H2O(s) is 2.1 J g*C
*February 28, 2011*

**child care managment**

An apprpriate science activity for a child 6 to 12 years of age is: A. collecting leaves. B.using a compass to find specific sites. C.growing plants froom seeds. D. experimenting with magnet.
*February 28, 2011*

**english**

clutced her notebook in the other hand as though it were a flyswatter is this a similie?
*February 26, 2011*

**english**

clutced her notebook in the other hand as though it were a flyswatter
*February 26, 2011*

**Child Care Mangment**

For me, B and C, Im not sure,these concepts stimulating children's sense of wonder and motivate them to explore the surrounding world. Thats why I'm asking That's why I'm asking for help
*February 24, 2011*

**Child Care Mangment**

An apprpriate science activity for a child 6 to 12 years of age is: A. collecting leaves. B.using a compass to find specific sites. C.growing plants froom seeds. D. experimenting with magnet. Thanks
*February 24, 2011*

**Math**

Penelope bought 17 large packs and 5 small packs of identical pens. When she got home, her little sister opened all of the packages on the floor. If a total of 234 pens were on the floor, how man pens did a large pack contain?
*February 18, 2011*

**Math**

circles P and Q are externally tangent at T. Horizontal lines l and m are, respectively, tangent to circles P and Q at R and S. Show that RT must contain S.
*February 18, 2011*

**math**

f(2n)=n+f(2n-2) and f(2)=1. determine f(20)
*February 18, 2011*

**math**

Use each of the integers 1-9 exactly once in any order to write a numerical expression equal to 2011. An integer may be written as an exponent, and the operations of addition, subtraction, multiplication, and divisions as well as grouping symbols may be used.
*February 18, 2011*

**Math**

What is the probability that rolling four fair, six-sided dice produces an even sum?
*February 15, 2011*

**SPANISH**

no i meant it as rhino. the word that we use for nose.
*February 15, 2011*

**SPANISH**

if i said, un animal grande que es la palabra en ingles para nariz, would you know what animal I was talking about.
*February 15, 2011*

**Physics**

A car travels in a straight line for 5.4 h at a constant speed of 79 km/h . What is its acceleration? Answer in units of m/s2.
*February 14, 2011*

**physics**

Two identical small spheres of mass 2.0g are fastened to the ends of an insulating thread of length 0.60m The spheres are suspended by a hook in the ceiling from the centre of the thread. The spheres are given identical electric charges and hang in static equilibrium, with an ...
*February 9, 2011*

**physics**

three spheres, each with a negative charge of 4.0*10^-6 C, are fixed at the vertices of an equilateral triangle whose sides are 0.20m long. Calculate the magnitude and direction of the net force on each sphere. So far i have drawn a diagram and used the formula Fe= kq1q2/r^2 ...
*February 9, 2011*

**physics**

79515.55
*February 3, 2011*

**math**

1 time only :)
*February 2, 2011*

**child care**

1.B 2.D 3.D 4.C 5.C 6.C 7.A 8.A 9.C 10.A 11.B 12.A 13.B 14.C ,NOT SURE B, OR B. 15.A 16.D 17.C 18.A 19.B. 20.C.
*February 1, 2011*

**3rd grade math hw help!**

I AM AN EQUIDRATERAL TRIANGLE.ONE SIDE IS 3 INCHES LONG.HOW LONG ARE MY OTHER 2 SIDES
*January 31, 2011*

**math**

the x value is negative and the y value is positive
*January 31, 2011*

**math**

A boat starts at point A, moves 3 km due north, then 2 km due east, then 1 km due south, and then 4 km due east to point B. Find the distance AB.
*January 31, 2011*

**math**

A jar contains some red and some yellow jelly beans. If a child ate 1 red jelly bean, 1/7 of the remaining candies would be red. If instead the child ate 5 yellow jelly beans, 1/6 of the remaining candies would be red
*January 28, 2011*

**MATH**

two sides of a triangle measure 8 and 15. how many integer values can be assigned to the third side so that all the angles in the triangle are acute.
*January 28, 2011*

**math(HELP)**

A jar contains some red and some yellow jelly beans. If a child ate 1 red jelly bean, 1/7 of the remaining candies would be red. If instead the child ate 5 yellow jelly beans, 1/6 of the remaining candies would be red.
*January 28, 2011*

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