Saturday
February 28, 2015

Posts by DiANA


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I completely agree I think my textbook is just a little outdated.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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