Monday
April 27, 2015

Posts by lily


Total # Posts: 1,230

education
Just want to know what these questions are asking for. thanks What view do you have of the children's skills and competencies? In what ways do you need to transform your view of children to see them in a more positive light? what skills do you want to strengthen in ...
April 25, 2015

math
In quadrilateral QRTS, we have QR = 11, QS = 9, and ST=2. Sides line RQ and line ST are extended past Q and S, respectively, to meet at point P. If PS = 8 and PQ = 5, then what is RT?
March 29, 2015

I need help with this ALGEBRA
Yes you were! Good job! Glad I could help. :)
March 17, 2015

I need help with this ALGEBRA
v=20√(273+t) 329 = 20*sqrt(273+t) 16.45 = sqrt(273+t) 273+t = 16.45^2 t- 16.45^2-273 t = -2.4 degrees celsius Hope that helps? :)
March 17, 2015

Science
Glad I could help! :)
March 17, 2015

Science
I don't think C is right. D. is the correct answer.
March 17, 2015

Algebra
1. Solve log(4/x) (x^2 - 6) = 2. (note: the (4/x) is underscored) 2. Show that loga [(x + {sqrtx^2-5}) / 5] = -loga (x - (sqrtx^2-5))
March 15, 2015

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.
March 14, 2015

Math
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.
March 14, 2015

Math
Thank you very much. Very clear explanation.:)
March 13, 2015

Math
1. Solve for y in the equation 15 * 3^(y+1) - 243 * 5^(y-2) = 0. 2. Solve: log y-1 = -log(y-9)
March 13, 2015

Math
1. Find the inverse of the logarithmic function f defined by f(y) = 2 log5 (2y-8) + 3. 2. If x > y > 1, what is the largest possible value of logx (x/y) + logy (y/x)?
March 13, 2015

Math
1. The sequence log2 32, log2 y, log2 128, ... forms an arithmetic sequence. What is the value of y? 2. If log a^2 b^3 = x and log (a/b) = y, what are the values of log a and log b?
March 13, 2015

Math
1. Find all values of p so that 6p, 4p-1, p^2 - 1 will be an arithmetic sequence. 2. The common ration of a geometric sequence is -3. IF the terms of this sequence are 3y, y+6, z+1, ..... respectively, what is the value of z?
March 13, 2015

Chemistry
A chemist reacts 112 g of iron with 72 g of water. State which reactant is the limiting reagent. Calculate what is the maximum yield in grams of Fe3O4 that could be produced in this reaction. For the substance that is not the limiting reagent, calculate the amount in excess.
March 12, 2015

Health
1:According to MyPlate which two food groups should you consume in the largest amounts? A:Fruits And Grains B:Grains and Protein C:Protein and Veggies D:Veggies and Grains
March 6, 2015

Geometry
1. If triangles EIO = UAN, EI = 3x-4, IO = 2x+5, UA = 2x+3 and UN = 3x+1, solve for the value of x, find the perimeter of triangle UAN and identify the smallest angle in triangle EIO. 2. If triangle FAT is equal to triangle GRC, FA = 24cm and the ratio of GR, RC and GC is 2:1:...
March 4, 2015

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).
March 4, 2015

math
There are 6,975 folders if 1,735 folders were handed out . How many will I have left? 6,975- 1,735=
February 25, 2015

math
11/21 or 9/17. which one is greater and what is the work/common denominaters
February 24, 2015

Socials
oh and how much does elizabeth get paid for her jobs? Like 1 pound a week? or..
February 24, 2015

Socials
Also, how much would ship tickets cost? How would this family "pay" for them?
February 24, 2015

Socials
Oh nice! Thank you so much Reed, I really appreciate your help. I am reading the links right now! I guess since land grants were discontinued in 1827 my character would immigrate before this date?
February 24, 2015

Socials
A few days ago I posted a question about an immigration diary during the great migration period(I will link it in a comment below) in which Ms Sue and Reed replied with some tips- thank you. I am starting to write some of the diary and I still have a few questions that I have ...
February 24, 2015

algebra
A package of modeling clay was shaped like a cone with a radius of 25 cm and a height of 7.2 cm. Miriam used all the clay to make a cylinder with a radius of 15 cm. What was the height of the cylinder? Express the answer to one decimal place and use 3.14 to approximate pi. cm
February 23, 2015

algebra
A package of modeling clay was shaped like a cone with a radius of 25 cm and a height of 7.2 cm. Miriam used all the clay to make a cylinder with a radius of 15 cm. What was the height of the cylinder? Express the answer to one decimal place and use 3.14 to approximate pi. cm
February 23, 2015

Socials
Oh but my expectation vs reality question wasn't answered! Were they really shocked when they got there and why were they shocked? Any other factors other than eavily forested areas?
February 20, 2015

Socials
O wow! Thank you all so much, great suggestions!! And yes Reed I actually picked Liverpool too so yay!
February 20, 2015

Socials
Note: My questions are below mostly in brackets and at the very end! I have to do an immigration diary assignment and I am to portray a young 12 year old girl(any English name suggestions?) from a city in England(what is a realistic city during that time?) who is migrating to ...
February 20, 2015

Math
How do you find the component form AND the magnitude of the vector v with initial point (1, 11) and terminal point (9, 3)?
February 18, 2015

Math Check
Oh yeah, I'm sorry about that. It is suppose to be d^2; I made a typo error. So would you say that #1 and #2 are done right?
February 13, 2015

Math Check
Oh and this a worksheet. It's called "Pod Racing" and it's on Google if you need to see it up close. :)
February 13, 2015

Math Check
I need someone to please check this for me. Thanks! :) Question: Tonto Pagalies (brother to vaporized racer Teento), an observer at Bindy Bend, is 14285’ from Desert Plain. He knows that there is a right angle between the lines of sight from Bindy Bend to Desert Plain and...
February 13, 2015

Math
If x and y are positive integers such that x^2+y^2=13 and x>y, what is the value of x-y?
February 10, 2015

Math
Wait how do you get that first part?
February 10, 2015

Math Question
Hello! I need help with this question. I have an answer but I wanted to make sure it's correct. Thanks! Question: Which of the following is NOT a trigonometric identity? Answers Given: A.) 1-cos^2x=sin^2x B.) sin^2x+1=cos^2x C.) 1+cot^2x=csc^2x D.) sec^2x-1=tan^2x My ...
February 9, 2015

Percentages ques 2
Thank you! But does this have anything to do with ratios?
February 9, 2015

Percentages ques 2
car A costs 20 percent less than car B. Car B costs twice as much as Car C. The cost of Car C is what percent of the cost of Car A? How do I set up this question? What should the process of thinking be for these questions?
February 9, 2015

Percentages
A team has won 60 percent of the games it has played so far. If the team wins the 15 remaining games in the season, it will have won 80 percent of the season's games. How many games will the team play over the entire season?
February 9, 2015

Science - chemistry
Hi Im in year 7 and to get a level 6 we have to explain the big idea of energy. Our project is about the reation of iron and sulphur to make iron sulphide. We have been told to explain using the big idea of energy. pls help me asap!!!!
February 5, 2015

math
where the parentheses in 4=3-1+4/2
February 3, 2015

math
[4/1]
February 3, 2015

math
where are the parentheses in 3 times 2 minus 4 divided by 1
February 3, 2015

chemistry(limiting reagent)
Al2(SO3)3 + 6NaOH ----> 3Na2SO3 = 2 Al9OH)3 If 10.0g of Al2(SO3)3 is reacted with 10.0g of NaOH, determine the limiting reagent? help!!!
January 27, 2015

math
does anyone know how could you use an area model to identify the binomial factors of a trinomial? explain
January 25, 2015

Math-polynomials
1/2n^2 - 3/2n factorization, i got : n/2 (n-3) am i right or wrong?
January 22, 2015

math (factors and products)
does anyone know how could you use an area model to identify the binomial factors of a trinomial? explain
January 22, 2015

Calculus
A balloon is rising at a constant speed of 5 ft/sec. A boy is cycling along a straight road at a constant speed of 15 ft/sec. When he passes under the balloon, it is 5 feet above him. Determine how fast the distance between the boy and the balloon is increasing 3 seconds after...
January 14, 2015

science Help
How did the discovery of the electron change the atomic model? A.it disaproved the earlier idea of an indivisible atom. B.it confirm that atom are very tiny. C. It exposed fraudulent experiments conducted by unqualified scientists. D. It proved that atom are easier to see than...
January 14, 2015

math
the number line below shows an estimate for the sum of 6/13 and 1/8. explain why the sum is greater than 1/2.
January 11, 2015

language art
B
January 9, 2015

language art
Maybe d.
January 9, 2015

language art
In all together now Jordan states that there were marches and protest against segregation and discrimination in the 1960s. What make this statement a fact? A.it was stated In persuasive essay b. It is an emotional statement. C.it can be proven in an encyclopedia. D.it reveal ...
January 9, 2015

computer and technology
b and d. Not sure. I no its not c
January 8, 2015

computer and technology
I think is b and c
January 8, 2015

computer and technology
I think is c
January 8, 2015

computer and technology
A.d. I'm not sure if its right
January 8, 2015

computer and technology
It is important to verify internet source because. ----- choose that apply. A.the source should be written by real author. B.anyone can create a website and write false or inaccurate information on it c.you need to make sure it is owened by a government agency. D.websites can ...
January 8, 2015

adding and subtracting rational
15/16-3/4=
January 7, 2015

adding and subtracting rational
11/15+1/8=
January 7, 2015

adding and subtracting rational
-10 11/12-7 1/4=
January 7, 2015

adding and subtracting rational
5/6+4/9=
January 7, 2015

exponents ,factor,fraction
Yes
January 5, 2015

exponents ,factor,fraction
The glee club has a set of 48 classical CD and a set of 42 show tune CD. Each set can be divided equally among the club member.what is the greatest possible number of club member. A.12. B.3. C.6. D.336
January 5, 2015

exponents ,factor,fraction
(X-b)^2+a^2for a=2,b=1,and c=7
January 5, 2015

exponents ,factor,fraction
7•7•7= 7^3. Or 3^7 Or 21 or 7^4
January 5, 2015

equation and inequalities
Graph the solution of the equation b-15=-12
December 30, 2014

equation and inequalities
Write a word phrase for 5 p
December 30, 2014

subtraction rational number
-11 1/8+15 5/12=
December 30, 2014

chemistry
What is the solubility of calcium fluoride in a buffer solution containing 0.45 M formic acid and 0.20 M sodium formate? Given: Ka for formic acid = 1.7 x 10-4 Ka for hydrofluoric acid = 6.8 x 10-4 Ksp for calcium fluoride = 3.4 x 10-11
December 3, 2014

chemistry
A voltaic cell is constructed with all the reactants and products in their standard states. Will this condition hold as the cell operates? Explain.
December 3, 2014

Precalc
Two lookout towers are situated on mountain tops A and B, 4 mi from each other. A helicopter firefighting team is located in a valley at point C, 3 mi from A and 2 mi from B. Using the line between A and B as a reference, a lookout spots a fire at an angle of α = 38° ...
November 21, 2014

math
Mandy is enlarging a photo that is 3 in. wide and 4.5 in long. if she wants the width of the enlargement to be 10 in, what will be the length??
November 21, 2014

Economics help
Why important is it to consider exchange rates when planning to travel to another country
November 18, 2014

Derivatives
If g(x) = tan (5x2), then g ′(x) = ? I've worked this problem out like four times already and I keep getting a complete different answer..So I think I'm doing it wrong. I keep getting these.. g'(x)= cosx^2 5tan g'(x)= 2cosxtan^2
November 17, 2014

Calculus Can you help
yay!
November 17, 2014

Calculus Can you help
Suppose the functions f and g and their derivatives have the following values at x = 1 and x = 2. Let h(x) = f(g(x)). Evaluate h′(1). X | f(x) G(x) f'(x) g'(x) ____________________________ 1 | 8 2 1/3 -3 2 | 3 -4 2π 5 My answer: -6π but I'm not ...
November 17, 2014

Math help/check
Suppose the functions f and g and their derivatives have the following values at x = 1 and x = 2. Let h(x) = f(g(x)). Evaluate h′(1). X | f(x) G(x) f'(x) g'(x) ____________________________ 1 | 8 2 1/3 -3 2 | 3 -4 2π 5 My answer: -6π
November 16, 2014

Pre-Cal
If g(x) = tan (5x2), then g ′(x) = ? I've worked this problem out like four times already and I keep getting a complete different answer..So I think I'm doing it wrong. These are the answers I have gotten while doing this problem. g'(x)= cosx^2 5tan g'(x...
November 16, 2014

science Help
Atomic theory is. A Subject to change if new information is discovered. B. A solution to the problem of differing isotopes. C. Unchanged able D. A descriptive table that list all of the element
November 14, 2014

geometry
What's a sample space???
November 8, 2014

geometry
Eddie is arguing with tana about the probability of flipping three coins. They decided to flip a penny, nickel, and a dime. Which would be better determining the sample space, a tree diagram or an area model? Justify your answer.
November 8, 2014

geometry
Use Pythaorean Theorem a^2+b^2=c^2
November 4, 2014

chemistry
How many molecules are in 105 g of sugar (C12H22O11)? Answer in units of molec
October 31, 2014

chemistry
How many hydrogen atoms are in 833 grams of water? Answer in units of atoms
October 30, 2014

Math
x= -4, 9
October 29, 2014

AP Giannini
Dexter makes a scale drawing of his room. In real life, the room is 10' wide and 12'6" long. In Dexter's drawing, the room is 4"wide, what measure should the length be? explain how you figure this out.
October 15, 2014

chemistry
how could solid magnesium phosphate be prepared and collected using hydrochloric acid, sodium phosphate solution, water and magnesium? For the answer, write a series of steps that describe the procedure and includes a balanced chemical equation for each step
October 14, 2014

3rd garde math
what is 12 x 12? im having a hard time can anyone help me??????????
October 1, 2014

Trigonometry
A volleyball player spikes the ball from a height of 2.44 meters. Assume that the path of the ball is a straight line. To the nearest degree, what is the maximum angle, θ, at which the ball can be hit and land within the court?
September 30, 2014

Physics
A meter stick weighs 200 grams and is supported at the center. Three masses of 100, 200, and 150 grams are placed respectively, at the 10-cm, 20-cm and 60 cm points of the meter stick. To balance the meter stick, where must a 300 grams weight be placed on the meter stick?
September 28, 2014

Social Studies
I need a website that has answers to this worksheet: Russia and Eastern Europe: CHERNOBYL - April 26, 1986.
September 23, 2014

physics
A state trooper’s car sends out a radar signal at a frequency of 13.3 GHz. Find the wavelength of this signal. The wave speed is 2.998 × 108 m/s. Answer in units of m
September 18, 2014

music
How much music is in your head?
September 18, 2014

math
Which of the following situations describe quantities that combine to make 0? During the top of the fourth inning of a baseball game, the Ravens scored three runs. During the bottom of the fourth inning, the Raiders scored five runs to tie the game. Jacoby went on a hiking ...
September 18, 2014

math
a plane flew for 4hrs, 30 miles per hour and an adverge speed of 515 mph how far did it fly?
September 17, 2014

AP CALC. AB
1.Locate the discontinuity of the function y=1/(1+sin x) 2.Suppose that f is a continuous function defined for all real numbers x and f(-5)=3 and f(-1)=-2 . If f(x) = 0 for one and only one value of x, then which of the following could be x?
September 14, 2014

AP CAlc. AB Please helppp!!
f(x)=|x|+1 Let A(r) be the enclosed by the x axis, the line x=-2, the graph of the function f, and the line x=r for any r=>-2 A) Write A(r) as a piecewise function with its joints at r=0 Please walk me through each step i am really confused!!
September 8, 2014

AP CAlc. AB
Thank you so much Steve!!!
September 6, 2014

AP CAlc. AB
limit x->0 (3k+k(x^2) sin(1/x)), if k is a positive constant
September 6, 2014

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