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December 20, 2014

Posts by megan


Total # Posts: 937

Precalculus
The problem is: Rewrite f(x) = abs(x-2) + [2 * abs(x+5)] I don't even know where to start. PLEASE HELP!!!!!!
August 15, 2008

Precalculus
Find the inverse function of f(x) = 1.5 ln(x-2) + 4 Please help! I don't even know where to start ):
August 6, 2008

psychology
Who where the famous people that Maslow said had reached self actualisation?
July 4, 2008

history
It is very unprofessional for you to call us "idiots". I come to this site often so find referral links for further research when the text does not clarify on a specific topic. I would be happy to forward the week text for you to review, and then the name "idiot...
July 2, 2008

Math
Find all x, -4pi < x < 6pi, such that [cos(x/3)]^4 + [sin(x/3)]^4 = 1 PLEASEEE HELPP! :(
May 27, 2008

social
There are a few different meanings... 1) Holding more than one position at the same time. 2) It can be tied to religious/cultural diversity as well.
May 27, 2008

Math-Optimization
The material for the base of a box will cost three times as much as the material for the sides and top of the box. The box must have a volume of 200 meters cubed. Find the most efficient way to built this box.
May 27, 2008

physics
Not sure if this applies to physics, but in math its... Vpyramid=1/3(area of base)(height)
May 27, 2008

Math (Data Management)
The student council is ordering pizza for their next meeting. There are 20 council members, 7 of whom are vegetarian. A committee of 3 will order 6 pizzas from a pizza shop that has a special price for large pizzas with up to three toppings. The shop offers 10 different ...
May 27, 2008

Math
The sides of a triangle form an arithmetic sequence with a common difference of 2. The ratio of the measure of the largest angle to that of the smallest angle is 2:1. Find the area of the triangle. PLEASE HELP!
May 26, 2008

Precalc
The sides of a triangle form an arithmetic sequence with a common difference of 2. The ratio of the measure of the largest angle to that of the smallest angle is 2:1. Find the area of the triangle. Please help!
May 26, 2008

Math-Geometry
The material for the base of a box will cost three times as much as the material for the sides and top of the box. The box must have a volume of 200m cubed. Find the most efficient way to built this box.
May 15, 2008

Math
You are in charge of a tank to be used for water storage. Your boss has told you that he wants a cylindrical tank with a minimum capacity of 300,000 cubic feet. Your boss wants to spend the least possible amount in painting the tank. Design a tank to meet this objective.
May 15, 2008

math
I don't understand this question. ƒ(2n) = 2ƒ(n) for all integers n ƒ(4) = 4 If ƒ is a function defined for all positive integers n, and ƒ satisfies the two conditions above, which of the following could be the definition of ƒ?
April 21, 2008

Algebra
My answers are A=2-C B=(35-7C)/(-2)
April 18, 2008

Math
Can someone tell me how to solve my problem? Do I just start plugging in numbers or is there some rational to figure this out? Sum of three numbers is -5. First, minus second, plus 4 times the third is -20. The third plus 4 times the first plus the second is -20.
April 18, 2008

geography
is the ozark plateau in northen or southern missouri
April 17, 2008

Quadratic Functions
I need help solving this equation: y=-2x^+3 And you do need to graph this equation so can someone please help me?
April 7, 2008

math riddle ALGEBRA WITH PIZZAZZ
I need help with this!!!!!!!!!!!!
April 6, 2008

Algebra
x^2-2x-8,=0 graph an appropriate quadratic function (x-4)(x+2)<=0 x-4<=0 x+2<=0 answer x<=4 and x,=-2
April 3, 2008

Algebra HELP!
Consider the function h as defined. Find functions f and g so (f o g)(x)=h(x) h(x)=8/x^2+10 I think it is: h(x)=8/x^2+10 h(x)=8/x^2+10*x^2/x^2 h(x)=8/x^2+10x^2/x^2 h(x)=8+10x^2/x^2 h(x)=10x^2+8/x^2 h(x)=2(5x^2)+2(4)/x^2 h(x)=2(5x^2+4)/x^2
March 28, 2008

Math
Domain; 17 Range; 20
March 28, 2008

Algebra
I need to know if I need to further reduce my answer or if I leave it the way I have it. I have the original problem and then my answer. -b +or- sqrt b^2=4ac/2a answer x= -1/2 +or- 1/10
March 19, 2008

Algebra
Did I do this right? Or do I need to start over. Find the slope of the line described. A line perpendicular to -4x+4y=-2 -4x+4y=-2 4y=4x-2 4y/4=4x-2/4 y=1x-1/2
March 19, 2008

Algebra
I need to know if I need to further reduce my answer or if I leave it the way I have it. I have the original problem and then my answer. -b +or- sqrt b^2=4ac/2a answer x= -1/2 +or- 1/10
March 19, 2008

Algebra
Thanks, I think I have it.
March 18, 2008

Algebra
Can someone help me? Do I subtract 17 on both sides and then............ The position of an object moving in a straight line is given by s=2t^2-3t, where s is in meters and t is the time in seconds the object has been in motion. How long (nearest tenth) will it take the object...
March 18, 2008

math
I need to know how to do percents. Example: what is 6% of 18?
March 17, 2008

Algebra
Sorry, I should have put 5w(3x-4y-5z)=5w
March 13, 2008

Algebra
Help! I think I am right, but not sure. Factor out greatest common factor then simplify the factors 15wx-20wy-25wz= 5w(3x)+5w(-4y)+5w(-5z)= 5w(3w-4y-5z)= 5w
March 13, 2008

Algebra
Help! I think I am right, but not sure. Factor out greatest common factor then simplify the factors 15wx-20wy-25wz= 5w(3x)+5w(-4y)+5w(-5z)= 5w(3w-4y-5z)= 5w
March 13, 2008

chem
Which do you run out of first, the limiting reactant or the excess reactant?
March 12, 2008

Physics
Why do we rationalize a denominator? The only reason I can think of and can find in a search is to reduce it because it makes it simpler but is not necessary. Help! I have to write a paper on it.
March 12, 2008

Biology
Can someone explain to me in simple terms deductive and inductive reasoning. Every time I find a new definition, I get more confused. I think that deductive is when you try to figure out from something that is generic and inductive is when you already know what will happen. Am...
March 11, 2008

chem
How many moles of water are produced when 1.05 g of oxygen gas reacts with 1.22 g of hydrogen gas to produce water?
March 9, 2008

chem
How many grams of nitric acid(HNO3) will be produced when 0.51 mol of dinitrogen pentoxide reacts with water to form nitric acid?
March 7, 2008

chemistry
How many moles of iron(II)sulfide are produced when 4.38g of Fe reacts with 2.88g of S to produce iron(II)sulfide?
March 7, 2008

Biology2
What is the function of oxygen in the main degradative pathway,aerobic respiration?
March 7, 2008

chemistry
how many sublevels exist in the fourth principle energy level? a) 2 b) 4 c) 16 d) an infinite number
February 28, 2008

chemistry
the third quantum number, m, indicates what property of the electron? a) orbital b) spin c) charge d) energy level
February 28, 2008

chemistry
the third quantum number, m, indicates what property of the electron?
February 28, 2008

social studies
unleart
February 25, 2008

algebraic reasoning
the relationship b/w the distance d, in feet, required to stop a vehicle and s, the speed in miles per hour that the vehicle was traveling, is given by the equation d=0.0155s(squared)/f f represents the coefficient of friction b/w the tires and the road *it took a car 205 feet...
February 23, 2008

numerical & proportional reasoning
students in a biology class measured and recorded the lengths of different microscopic organisms. the results are recorded below. organism lenght(millimeters) a 0.00065 b 4.72* 10(exponent -4) c 8/10,000 d ?? a- a fourth organism was measured and found to be 1/40 the length of...
February 23, 2008

Science
I need an example of a disaccharide. Would an examle be lactose?
February 23, 2008

PhYs...alpha particles
Do you need to use the equation or can you just plot a graph of the distances you move the alpha particle source against the air pressure?
February 17, 2008

Chemistry
I am not sure if I answered the question below correctly and if I need all the information in my answer. Do I need all of this information? Why does the simplest ketone have 3 carbon atoms and no less? The simplest ketone has three carbon atoms and no less because of the ...
February 16, 2008

history
who stood behind Ned Kelly when he was going to be hung
February 12, 2008

Chemistry
My question is why is benzene less reactive than 1,3,5-cyclohexatriene? I cannot find anything on 1,3,5 cyclohexatriene and why it is more reactive. I know that benzene does not undergo addition reactions and is extremely stable to oxidizing reagents. C atoms in benzene are ...
February 11, 2008

Chemistry
My question is why is benzene less reactive than 1,3,5-cyclohexatriene? I know that benzene does not undergo addition reactions and is extremely stable to oxidizing reagents. C atoms in benzene are connected by delocalized double bonds which make them available to all carbon ...
February 10, 2008

Chemistry
My question is why is benzene less reactive than 1,3,5-cyclohexatriene? I know that benzene does not undergo addition reactions and is extremely stable to oxidizing reagents. C atoms in benzene are connected by delocalized double bonds which make them available to all carbon ...
February 10, 2008

Chemistry
Formula of 1,3-butadiene The answer I came up with is CH2=CH-CH=CH2 Am I close?
February 9, 2008

Chemistry
NCl3 is not covalent by the way... i just put it in as my answer and got it wrong.
February 4, 2008

spanish sra Mcgin
I need this checked, I wrote the question then the answer in spanish and then translated it into what I said but i'm not sure if it's right: 1.Que es el suceso? El suceso es una fiesta. What is the event? The event is a party. 2.Que tipo fiesta? Una fiesta de ...
January 29, 2008

FIRST GRADE GRAMMER
I AM HELPING MY DAUGHTER WITH HER HOMEWORK AND THE TEACHER MARKED HER ANSWERS WRONG. I WANT TO SEE IF SHE IS CORRECT. WHAT WOULD THE 2 ADJECTIVES BE IN (BROOKE, BRUCE AND ELSIE ALL RIDE THE SAME BUS.)
January 15, 2008

1ST GRADE GRAMMER
WHAT IS THE PREDICATE IN THE SENTENCE I GAVE AN APPLE TO THE HORSE.
January 15, 2008

math
okay so i have this word problem. The measurements of the upper portion of the hutch, in inches, were: 9 3/4, 12 9/16, 10 3/8, and 16 7/16. The total hight of the hutch is 82 3/8inches. a)what is the height of the upper portion? b)what is the height of the lower portion?
January 8, 2008

Am I correct on this question (accounting)
The question is: which accounts normally require an adjusting entry: Choices to choose from were: Salaries payable, Land, Dana Cates Drawing, Accumulated Depreciation, Unearned Rent and Supplies. The ones that i chose for the question were: Salaries Payable, Accumulated ...
December 2, 2007

Social Studies (World History)
The trans-saharan routes and the gold-salt routes either don't fit in the time frame or the region.
November 12, 2007

Social Studies (World History)
I need to find information particularly on agricultural and pastoral production in central Africa during the time span: 600-1450. If info on this subtheme does not offer a lot of info, we may use the bigger theme which is creation, expansion, and interaction of economic systems.
November 12, 2007

history
what does Shahadah mean?
November 6, 2007

History
what does Abbasids mean?
November 6, 2007

History
Do you know a short meaning to the word: Umayyads?
November 6, 2007

history
what is the meaning of Medina?
November 6, 2007

History
What does Hejira mean?
November 6, 2007

physics
A 1.82 kg box moves back and forth on a horizontal frictionless surface between two different springs, as shown. The box is initially pressed against the stronger spring (k1 = 37.0 N/cm), compressing it 3.10 cm, and then is released from rest. By how much will the box compress...
October 27, 2007

Biology
So the question is: What is the evolutionary significance of the 'Euglena' that forms a perspectie of utiliazing pigments to capture light energy? I researched for hours but couldn't find information on evolution of Euglena. please help ASAP! Thank you!
October 21, 2007

science
how do you draw C2H6 as chemical structure?
October 20, 2007

civics
What are some personal qualities an adviser to the president should have?
October 11, 2007

science
i need help on my science fair project. i'm doing it on fabric. can you help me?
October 9, 2007

...Physics...
606.9
October 7, 2007

math...help please!
Find the 35th term of the sequence in which a1 = 7 and the common difference is 7.
October 2, 2007

math
how do you make 16 2/3% into fraction?
September 20, 2007

math
how do you make 16 2/3 into fraction?
September 20, 2007

science
What is matter? And four examples of objects/substances that would be classified as ''matter'' Please help me with this question and anyhting else you know about ''matter''
September 17, 2007

Biochemistry
Which two ionization states of lysine are present at pH 7 in what and ratio? Show calculation
September 9, 2007

Precalculus
If f(x-2)= square root of x^2 - 16 and g(x)= 3^x/(2-x), then find [f(3)+g(5)]/2. I honestly don`t even know where to start! please help :[
August 28, 2007

miles to meters
how do you convert 2250 miles to meters?
August 26, 2007

MATH!!!!!!
Roger purchases two doughnuts and three cookies at a doughnut shop and is charged $3.30. Sam purchases five doughnuts and two cookies at the same shop for $4.95. All the doughnuts have the same price and all the cookies have the same price. Find the cost of one doughnut and ...
May 28, 2007

physical science
what is required for work a force moving something, and movement of that something in the direction of work.
May 27, 2007

science geology
explain how a crosscutting feature is always younger than the rock layers it cuts across? Wouldn't it require the underlaying rock to be formed well before it was crosscut?
May 13, 2007

MATH!!!
To measure the length of a hiking trail, a worker uses a device with a 2-foot diameter wheel that counts the number of revolutions of wheel makes. If the device reads 1,100.5 revolutions at the end of the trail, how many miles long is the trail, to the nearest tenth of a mile...
May 13, 2007

MATH!!
A fish tank with a rectangular base has a volume of 3,360 cubic inches. The length and width of the tank are 14 inches and 12 inches, respectivily. Find the height, in inches, of the tank? V=LxWxH 3360=14x12xH 3360=168xH H=3360/168 H=2O 14x12=168 3360/168=20 which would be the...
May 13, 2007

MATH!
graph the following system of inequalities on the accompanying set of axes and label the solution S. y>x-4 i got this one. but how would you graph y+x> or = to 2. How do you find the slope and y intercept? Change it to read (subtract x from both sides y>-x +0 slope......
May 13, 2007

MATH!!
The area of Mrs.Raders rectangular garden is 100 square feet. One side is a stone wall. She encloses the other 3 sides with 30 feet of fencing. What are the dimensions of her garden? I have the length of the triangle to be 30-2x and the width to be x. But soo how would you put...
May 7, 2007

MATH!
The length of a triangle is twice the width. The area is 32 square units. Find the length and width. I have the length of the triangle=2x and the width=x... so would the equation be 2x(x)=32 OR NO? Assume the "length" is the height measured from some side we will ...
May 7, 2007

MATH!
To get from his high school to his home, Jamal travels 5.0 miles east and then 4.0 miles north. When Shelia goes to her home from the same high school she travels 8.0 miles east and 2.0 miles south. What is the measure of the shortest distance, to the nearest tenth of a mile, ...
May 6, 2007

MATH.
Radio station KMA is increasing its radio listening radius from 40 miles to 50 miles. How many additional square miles of listening area, to the nearest tenth, will the radio station gain? I thought it was 10 miles.But it says round.So im a little confused.If you could Help.I ...
May 6, 2007

Math.
Ashanti and Maria went to the store to buy snacks for their back to school party. They bought bags of chips, ptetzels, and nachos. They bought three times as many bags of pretzels as bags of chips, and two fewer bags of nachos than bags of pretzels. If x reprsents the number ...
April 16, 2007

analogies!!
i have tried to figure out the answer a lot of times but i can't figure it out. indelible:erasure::infallible: mistake, schedule, reason, emotion, or pleasure You have to make the exact connection between the first two; then make the same connection between the second two...
April 4, 2007

analogies
I need help with this analogy. person:unimportant::idea: sporadic, reticent, trivial, quiescent, or raucous I have no idea what the answer is!! Help me!! trivial. Now why, that is important. Hint: what do unimportant and trivial have to do with each other that the other ...
April 3, 2007

Calculus
alright. i need to write a definite integral for the volume and evaluate the integral for the region bounded by y=x^2, y=0, and x=1 revolved about the a) x-axis, b) the y-axis, c) x=2, and d) y=-2. HELP! Lets do the x=2 axis. dV= pi rh dr where r is radius, h is height. r= x-1...
April 1, 2007

MATH!
Finding Common Demoninators in fractions. 1) 2 4 -- - --- x^2-16 x^2+x-12 2) x-3 x+3 ---- + ------ x^2+2x-8 x^2+7x+12 Can ANYONE help me with these. I cant figure out how to get the DEMONINATORS THE SAME!? Use brackets to write these kind of fractions, the text editor of this ...
April 1, 2007

Physical Science
Nuclear Fusion
March 29, 2007

Chemistry
I have this awful problem due tomorrow; if anyone can help it would be much appreciated. Most introductory chemistry texts provide a formula for the freezing point depression/boiling point of elevations: delta-T(f,b)= K(f,b) * m (m = molality) In fact, these are derived ...
March 27, 2007

MATH!
5x^2-7xy+12y^2 _______________(OVER) x^2+xy-20y^2 Please if anyone can help in the steps to answer this...i would be greatful.=) What is a reflex angle Are you sure you copied the question correctly? If the top is 5x^2-17xy-12y^2 it works out really easily. The way it stands, ...
March 26, 2007

MATH!
The ratio of two supplementary angles is 2:7. What is the measure of the smaller angle? Can anyone help me with this--i dont understand it. The angles add to 180, so 2x + 7x=180 solve for x, then the smaller angle is 2x Supplemental means adds to 180 degrees. THANK YOU SOO ...
March 25, 2007

MATH!!!
(1)TOP Electronics is a small business with five employees.The mean(avergae) weekly salary for the five emplyees is $360. If the weekly salaries of four of the employees are $340,$340,$345, and $425, what is the salary if the fifth employee? ___________________________________...
March 11, 2007

MATH!!
(1)At the begining of her math class, Mrs. Reno gives a warm-up problem. She says, "I am thinking of a number such that 6 is less than the product of 7 and this number is 85." Which number is she thinking of? A-11 B-84 C-13 D-637 ___________________________________ (...
March 11, 2007

science
what happens to the power of an electric circuit if the resistance is decreased?? explain?? i know that as the power increases the resistance decreases why is that?? Power = voltage^2 / resistance. Think again about what you "know". Resistance does not decrease with ...
March 7, 2007

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