Tuesday
October 21, 2014

Posts by clair


Total # Posts: 40

Calculus
Thanks i got it I think I just hiccuped there
July 17, 2014

Calculus
find the extreme values of the function and where they occur y=1/(sqrt 1-x^2). So far I have y'=x/((1-x^2)(1-x^2)^(1/2)) but I am stuck.
July 17, 2014

Physics
A 20 kg box approaches the foot of a 30 degree inclined plane with a speed of 10 m/s. the coefficient of friction between the box and the inclined plane is 0.2. (a) How far up the inclined plane will the box go? (b) If the box slides back down the inclined plane, what is its ...
June 30, 2014

Precalculus
Thank you
June 25, 2014

Precalculus
A rectangle is inscribed in a circle of radius 2. Find a function that represents the area of the rectangle in terms of x. I have (x^2)(y^2)=4 Pythagorean Theorem (y^2)=4-(x^2) y=sqrt(4-(x^2)) A=bh or A=xy A=2x*2sqrt(4-(x^2)) Is this correct or what am I doing wrong?
June 25, 2014

algebra
2*5^(2x)-5^(x)-1=0
January 8, 2014

Statistics
In a population of 500 voters, 40% belong to Party X. A simple random sample of 60 voters is taken. What is the chance that a majority (more than 50%) of the sampled voters belong to Party X?
April 20, 2013

health
same. ;)
August 11, 2012

early childhood education
1)according to the national center for education statistics which of th following is a false statement a)when it comes to grade and homework boys outperform girls in elementary secondary high school college and even graduate school. b)boys are more likely than girls to be ...
September 28, 2011

early childhood education
an important use for telephone conversation at a child care facility is to help (a)staff members understand program philosophy (b)staff members understand the reason for the childs day to day behavior (c)parents understand program philosophy (d)parents develop professional ...
September 2, 2011

Literature HELP
PLEASE Help me create a better thesis statement than this: Three arguments can be identified in “The Private History of a Campaign That Failed” that support the idea that war isn’t for everyone. The arguments are that soldiers should be adequately trained before...
July 19, 2011

Writing
The arguments are that soldiers should be adequately trained before entering a war, soldiers should consist of men not boys, and war could be traumatizing for the weak of mind.
July 19, 2011

Writing
Help me create a better thesis statement than this: Three arguments can be identified in “The Private History of a Campaign That Failed” that support the idea that war isn’t for everyone.
July 19, 2011

science
Need to prepare a lab that requires 1000ml of 1.0M HCl. You find some 3 M HCl to work with. What do you need and how would you work it out?
February 17, 2011

Math
(1.19)3 + X .49= 4.55 This is the last problem on my assignment. I tried but my teacher told me I got it wrong, help please?
February 2, 2010

Math
Every question like this I have gotten wrong: "Multiply or divide the expression below. Leave your answer as simplified as possible." (3x-1)(x+7) 10(2x-5) --------- • --------- 4(2x-5) (4x+1)(x+7) This is from the college preparatory math section 10.1.4 I need ...
January 27, 2010

Math
I finishes the math assignment but I want to make sure that I did it right.
January 11, 2010

Math
For inequality number lines would a less than or = to sign mean that that it would be a closed dot or open dot?
January 11, 2010

Math
Thanks!
December 8, 2009

Math
I need help in finding the vertex of a parabola using an equation in this form: Ax^2 + Bx+C I have a test on this tomorrow. For example: 3x^2 +1x - 2 How would I find the vertex in this?
December 8, 2009

Algebra
Write the answer to the problem as an algebraic expression. A theater ticket for adults is “A” dollars and the price of a child's ticket is “C” dollars. If 29 adults and 35 children attend the theater one night, how much money did the theater collect? ...
November 5, 2009

geometry
x=221 Thanks Ms. Sue you are the best!
November 5, 2009

geometry
Write the equation and solve the problem: A high school graduating class is made up of 512 students. There are 70 more girls than boys. How many boys are in the class?
November 5, 2009

Geometry
A polyhedron has 33 edges and 20 faces. How many vertices does it have?
October 24, 2009

math
Thank you. Why don't we use just one system, it would make things so easy!
October 21, 2009

math
Jackie goes to the store to buy some meat. The meat costs $5.80/kg. How many grams of meat could she buy for $10? is there an easy way to do this? I did a few others like it, but kg and grams is not as easy
October 21, 2009

Math
Ms. Sue that's public schools for ya! Thank you both for your help!!!
October 20, 2009

Math
If the price of gasoline in Germany is about $1 per liter, what is the equivalent price of gasoline in dollars per gallon? I know that 1 gallon =3.79 liter l liter= 0.26 gallon but I am not sure how to figure the cost?
October 20, 2009

math
I am so lost? 3.1415*12^2/4=113.094 is that right?
October 19, 2009

math
A cylindrical can of cleaner holds 1 L of liquid. What is its height if the diameter of the base is 12 cm? Round your answer to the nearest tenth of a cm.
October 19, 2009

Geometry
Thank you MathMate for your help and the link.
October 14, 2009

Geometry
Describe the characteristics that a pyramid must have for it to have an axis of rotational symmetry.
October 14, 2009

math
but what is a non-regular acute triangle ?
October 14, 2009

math
yes, because it would form a pattern without gaps or overlap.
October 14, 2009

Math
Thanks for the help!
October 8, 2009

Math
A musician plans to perform 6 selections for a concert. If he can choose from 8 different pieces, how many ways can he arrange his program?
October 8, 2009

Math
Thank you for your help.
September 30, 2009

Math
How many 5-character license plates are possible with 2 letters from the alphabet followed by 3 digits, if repetitions are allowed? if repetitions are not allowed?
September 30, 2009

math
In each case, consider what you know about the distribution and then explain why you would expect it to be or not to be normally distributed. a. The lifetimes of a set of batteries manufactured by a company in your town. b. The list of guesses of the number of marbles in a ...
September 29, 2009

Critical thinking
How Do a person distinguish between prejudical and nonprejudical use os rhetorical devices
January 23, 2009

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