Cassy
Most popular questions and responses by Cassy
Calc
Write the summation to estimate the area under the curve y=2+sqrt(x) from x = 2 to x = 5 using 3 rectangles and right endpoints. ~the summation from i equals 2 to 5 of the quantity 2 plus the square root of i ~the summation from i equals 2 to 4 of the
asked on March 15, 2016 
math URGENT
Find all values of x such that sin 2x = sin x and 0 x 2π. (List the answers in increasing order.) x= x= x= x= x=
asked on January 19, 2014 
english (Adverbs and Other Parts of Speech)
13. In which of the following sentences is the word down used as an adverb? A. Ricky rolled down the car window to place his order at the coffee shop. B. Gail fell down the steps because she tripped on her untied shoelace. C. The ball moved down the street
asked on April 18, 2016 
Chemistry. Please :(
1. If 23.00 grams of carbon dioxide and 18.75 grams of water are formed from the combustion reaction. What is the percent yield for CO2 and H20. How much in grams of the excess reactant remains? 2. Balance the equation and determine the mass in grams of
asked on April 25, 2014 
Chemistry
How much heat on joules is required to melt 3mol of ice? (the heat of fusion is 6.01 kj/mol)
asked on April 4, 2010 
Life Orientation
What are 4 factors that threaten the core functions of the media? Please help!
asked on May 15, 2016 
Calculus
A point moves along the curve y=(x2)^2 such that the x coordinate is increasing at 2 units per second. At the moment x=1, how fast is its y coordinate changing.
asked on March 9, 2010 
math
If sin(x) = 1/3 and sec(y) = 5/4, where x and y lie between 0 and π/2, evaluate sin(x + y).
asked on January 19, 2014 
Science
Which of the following explains why objects in our solar system are in a spinning motion? A. The gravitational pull of the sun pushed objects into a spinning motion. B. The massive size of the sun made all other objects in space spin fast. C. Gravity
asked on May 10, 2018 
PHYSICS
A 70 KG man is standing on a scale inside an elevator. Calculate the reading on a scale after the cable breaks and the elevator goes into free fall.
asked on August 18, 2010 
math
Rewrite by completing the square. 2x^2  12x + 11
asked on January 19, 2014 
Trigonometry
4cos^2x5sinxcosx6=0 find the x :( please
asked on March 9, 2014 
Physics
A figure skater is spinning with her arms out wide. Will she spin faster or slower if she tucks in her arms? Why?
asked on October 7, 2010 
Calculus
The edge of a cube is increasing at a rate of 2 inches per minute. At the instant when the volume is 27 cubic inches, how fast is the volume changing? indicate the units of measure. V=x^3
asked on March 9, 2010 
sciencechemistry
We performed a titration with NaOH solution with KHP. Now I need to calculate the average molarity of NaOH based on this data Weight of khp= 0.1083 g Volume of naoh = 6.4 ml Then if i get this how do i get the molarity of ch3cooh totrated in naoh with the
asked on April 23, 2014 
Trigonometry
2sinxcosx=3/sqrt. of 2
asked on March 9, 2014 
Science
A crate is resting on the back of a truck and has a coefficient of of friction of 0.45. What is the maximum acceleration that the truck can undergo before the crate starts to slide off the back of the truck.
asked on September 14, 2010 
Science
A force of 20N is pushing a box at an angle of 50 degrees to the right of a dotted line. At what angle would a second force of 40N need to push in order to move the box straight in the direction of the dotted line?
asked on August 4, 2010 
IT
I NEED HELP WITH GIVING EXAMPLES OF MASTERING THINKING SKILLS. http://www.google.com/search?q=thinking+skills&rls=com.microsoft:enus:IESearchBox&ie=UTF8&oe=UTF8&sourceid=ie7&rlz=1I7SUNA First you must define what you mean by "thinking skills" and then
asked on March 20, 2007 
INFORMATION TECHNOLOGY
WHAT IS MASTERING SKILLS Mastering = becoming so good at something that one is a "master" of it. Becoming very proficient. http://www.answers.com/mastery http://www.answers.com/proficient =)
asked on March 19, 2007 
PHYSICS
A cricket bowler bowls a cricket ball witha mass of 150g and a radius of 52mm. The bowler's arm weighs 3.4kg and has a length of 0.68m. The centre of mass of the bowler's arm act's at it's midpoint. What is the moment of inertia of the cricket ball and
asked on October 7, 2010 
Science
Fred and Joe are moving identical boxes across a floor where there is friction present. Fred pushes his box with a force that is directed 20 degrees below the horizontal, while Joe pulls his box using a rope that is angled 20 degrees above horizontal. Who
asked on September 15, 2010 
mathematics
R70000 is invested for five years.calculate a compound interest rate that would double the investment
asked on September 13, 2015 
Chemistry. Please
If 15ml of 1M sulfuric acid is used until faint pink endpoint is reached how many moles of magnesium hydroxide are in 50ml solution. Please help
asked on April 25, 2014 
math
Find an equation of the circle that has center (2, 1) and passes through the origin.
asked on February 2, 2014 
Algebra 2
how would you translate the graph of y=x2 to produce the graph of y=(x+1)2?
asked on December 16, 2012 
Science
A cricket bowler bowls a cricket ball witha mass of 150g and a radius of 52mm. The bowler's arm weighs 3.4kg and has a length of 0.68m. The centre of mass of the bowler's arm act's at it's midpoint. The moment of inertia of the cricket ball and bowler's
asked on October 7, 2010 
Anatomy
What is the groove between the diapragm and ribcage in the lower part of the pleural cavity?
asked on September 19, 2010 
physics
During a lift off , the thrust a rocket produces must overcome the force of gravity in order to lift the rocket off the ground. If a rocket with a mass of 5kg produces a force of 180N, how fast will the rocket be travelling 3 seconds after ignition?
asked on August 18, 2010 
Chemistry
A 20ml of a 1M KOH solution is used to react with sulphuric acid, what is the number of mols of KOH used?
asked on August 16, 2010 
limits
use f'(x)=lim h>0 f(x+h)f(x)/h to find the limit: h>0 sin^3,4(x+h)sin^3,4x/h
asked on March 23, 2010 
science
Hi, I need scientific diagrams of the following: Mushroom (Armillaria ostoyae) Lactobacillus bulgaricus They must be detailed (ie cell wall, cell membrane etc) and at least 5 distinguishing features. Thanks
asked on April 22, 2008 
Com 120
I need to write a impact on a introduction to the story the case against chores
asked on March 21, 2007 
Linden Math
Ted wanted to share 2!/2 pounds of strawberries equally with 5 friends. How many pounds of strawberries would each person get?
asked on October 19, 2017 
math
The equation of a line is y = mx  1. Find the value of m if the line passes through the point (2, 3).
asked on February 2, 2014 
math
Solve the equation. (Find only the real solutions.) x2  x  2 = 0 they also said there is a smaller value and a larger value ??
asked on January 19, 2014 
Math
1/5(2x+10)=2x8
asked on April 26, 2011 
8th grade
how many 2kg and how many 5kg plates go onto the bar to make 34kg.
asked on November 29, 2010 
Calculus
If y=ln((3x+2)^6(x+10)^3), then dy/dx=
asked on March 9, 2010 
Stats
Think I know the answer, but can someone please confirm... Find the value of a that corresponds to a confidence level of 84%. Answer: 0.16???
asked on September 13, 2008 
science
what is matter best described by?
asked on November 27, 2007 
com120
I NEED TO WRITE THE TYPE OF INTRODUCTION USED IN THE STORY THE CASE AGAINST CHORES
asked on March 21, 2007 
Information Technology
what are the benefits from using thinking skills you succeed in your educational and personal life i guess!!! I would love to hear and critique what you think of for this answer ;) Matt What happens if you DON'T use thinking skills? That is, if all you do
asked on March 19, 2007

Science
Ms. Sue can you please help me
posted on May 10, 2018 
math help me
Maddi is 100% right 10/10 for 2k18 7th grade Lesson 5 unit 4
posted on April 24, 2018 
SS
4/5 1. Is D
posted on April 1, 2018 
MathProbability
.015
posted on April 9, 2017 
english (Adverbs and Other Parts of Speech)
no i did the test and i put that in as my answer and it was wrong i know stupid
posted on April 18, 2016 
english (Adverbs and Other Parts of Speech)
no i did the test and i put that in as my answer and it was wrong i know stupid
posted on April 18, 2016 
english (Adverbs and Other Parts of Speech)
would it be The ball moved down the street towards the
posted on April 18, 2016 
English
13. In which of the following sentences is the word down used as an adverb? A. Ricky rolled down the car window to place his order at the coffee shop. B. Gail fell down the steps because she tripped on her untied shoelace. C. The ball moved down the street
posted on April 18, 2016 
math
Sorry Manit but you are wrong. I remember this problem in class last year and 60 days is correct not 20. It takes Tom 3 times as long to do the job so 20*3 = 60.
posted on December 17, 2015 
Bobby
i think u meant the subject math _
posted on January 19, 2014 
Singapore Math
Here is your bar model: This is a unit bar: [xxx] Before  the had equal amounts, then they each spent some money. In the end, Lily has twice as much as Sara, or 2 units. Lily [xxx][xxx] Sara [xxx] If they started out the same, the second unit bar for
posted on December 19, 2012 
Grade 12 life orientation
Five factors that contribute to the life style disease of hiv/aids
posted on May 2, 2012 
Math/116
sorry im not sure.
posted on September 15, 2010 
Math/116
3.5 multiplied by 5.
posted on September 15, 2010 
Last question, I swear! Math!
73x=17
posted on September 15, 2010 
Math/116
a is correct b is 3.5(5)=17.5
posted on September 15, 2010 
Help please? Math!
72W
posted on September 15, 2010 
math
YES
posted on September 15, 2010 
math
YES.
posted on September 15, 2010 
math
Yes
posted on September 15, 2010 
Mathmatics
You welcome.
posted on September 15, 2010 
Mathmatics
1/4 (7+W)
posted on September 15, 2010 
Math
Find the gradient and then substitue the gradient with 1 set of coordinates in the equation of a straight line.
posted on September 15, 2010 
math
9A+ 4
posted on September 15, 2010 
physics
The mechanical energy.
posted on September 15, 2010 
Geometry
180  135 = 45 degrees
posted on September 15, 2010 
Math
Yes.
posted on September 15, 2010 
science
THANKS A MILLION. Tutocat.
posted on September 15, 2010 
math
8732 divided by 1
posted on August 18, 2010 
PHYSICS
Thank you
posted on August 18, 2010 
PHYSICS
will the scale read 0
posted on August 18, 2010 
math
No, it is 270.
posted on August 18, 2010 
physics
thank you drwls
posted on August 18, 2010 
Stats
A is the symbol used, its not coming through when I type the question. I am not sure what the symbol a is suppose to represent either. I will send my professor an email, hopefully she can provide clarification on this question. Thanks for trying to help
posted on September 13, 2008