Eli
Most popular questions and responses by Eli
physics
if a car generates 18 hp when traveling at a steady 88 km/h, what must be the average force exerted on the car due to friction and air resistance
asked on December 9, 2011 
Stupid Math School Math
Two cars are 750 miles apart and start moving towards each other. One car moves with the average speed of 40 mph and the other is 10 mph faster. When will the cars meet if they started to move at 11:00 a.m.?
asked on March 19, 2016 
Math
which g the following is a regular polygon. (a.rectangle (b.circle (c.equilateral triangle (d.trapezoid
asked on January 31, 2017 
calculus
Melting Snowball: A spherical snowball melts at a rate proportional to its surface area. Show that the rate of change of the radius is constant. (Hint: Surface Area =4(pi)r^2)
asked on October 18, 2011 
Math
A flowerbed is 3 3/4 meters long and 2 meters wide. Uncle James wants to build a border around the flowerbed. The width of the border is 1/2 meter. The cost of building the border is $20 per square meter. How much does Uncle James have to pay to have the
asked on November 14, 2018 
English
essay outline about the hero;s journey in fahrenheit 451?
asked on January 20, 2014 
MATH HW HELP!!
Mike Gioulis would like to have $25,000 in 4 years to pay off a balloon payment on his business mortgage. His money market account is paying 1.825% compounded daily. Disregarding leap years, how much money must Mike put in his account now to achieve his
asked on May 20, 2014 
math
how do i solve if it took 1.5 qt of paint to paint a wall 8 ft by 15 ft how many qts will it need to paint a wall that is 10 ft by 24ft.
asked on February 11, 2014 
physics
A jogger with a mass of 66.0 kg reaches the top of a staircase in 44.0 s. If the distance from the bottom to the top of the staircase is 14.0 m, how much power will the jogger create in climbing the stairs?
asked on April 3, 2014 
Microeconomics
Please help me solve it. Suppose you are looking at a particular used car. Given its brand, age and overall condition, its true value to you could be 40, 50 or 60 (these are the three possible types), whatever your true value is, the sellers true value is
asked on November 16, 2018 
math
A pedestal in a craft store is in the shape of a triangular prism. The bases are right triangles with side lengths of 12 centimeters, 16 centimeters, and 20 centimeters. The store owner wraps a piece of rectangular cloth around the pedestal, but does not
asked on April 23, 2015 
chemistry
Which of the following is the formation reaction for CaO(s) ? A. CaO(s) Ca(s) + 21O2(g) B. Ca2+(aq) + O2–(aq) CaO(s) C. Ca(s) + 21O2(g) CaO(s). D. 2 Ca(s) + O2(g) 2CaO(s) E. 2 CaO(s) 2 Ca(s) + O2(g)
asked on February 22, 2010 
Physics
A stone is dropped into a deep well and is heard to hit the water 2.95 s after being dropped. Determine the depth of the well.
asked on October 8, 2010 
physics
Given that the side of the square has a length ba, find the area of one of the four triangles and the area of the small inner square. Give the area of one of the triangles followed by the area of the small inner square separated by a comma. Express your
asked on September 2, 2011 
Chemistry
Table sugar consists mostly of sucrose, C12H22O11. The standard enthalpy of combustion for sucrose is the standard state delta H for the reaction: C12H22O11 + 12 O 2 > 12 CO2 + 11 H2O Calculate this standard state delta H. Give answer in units of kJ to
asked on December 3, 2016 
Lit
Invisible Man: Mr. Norton "you are my fate, young man" he talks about emerson's self realiance and how emerson is important but isnt he going aganist emerson's theory of self reliance??
asked on October 12, 2008 
Calculus
Find the area bounded by the parabola 8+2yy^2 and the lines y=1 y=3
asked on June 2, 2016 
physics
An object experiences an impulse, moves and attains a momentum of 100 kg·m/sec. If its mass is 50 kg, what would its velocity be?
asked on June 23, 2016 
Math
Every day Sally saved a penny, a dime, and a quarter. What is the least number of days required for her to save an amount equivalent to an integral number of dollars?
asked on January 29, 2012 
Science  Physics
A student with a mass of 66kg is rollerblading at a velocity of 7.8m/s[W] when the trail suddenly becomes very rough and as a result the student stops pushing and comes to a stop in 0.95s. Determine the net force and acceleration of the student on the
asked on October 25, 2017 
Science
what is the concentration (M) of a MgCl2 solution prepared by dissolving 7.2 g of MgCl2 in sufficient water to give 362 mL of solution?
asked on November 4, 2014 
physics
a motorbike has a mass of 300kg, and is being ridden along a straight road. The rider sees a traffic queue ahead. He applies the brakes and reduces the speed of the motorbike from 18m/s to 3 m/s. Use this equation to calculate the kinetic energy lost by
asked on February 15, 2012 
macroeconomics
Calculate the total change in aggregate demand because of an initial $300 decrease in investment spending, given that C = 150 + 0.50YD. $1,200 decrease $300 decrease $150 decrease $600 decrease i think it is 300 but i think i am wrong
asked on April 9, 2011 
math
A scientist is mixing a chemical solution for an experiment. The solution contains 3/8oz of chemical and 1/6 ounce saline solution. What is the rate of chemical to saline?
asked on December 18, 2014 
pre calculus
simplify sin(2 pi/3+x)
asked on November 18, 2010 
staistics
7) A final exam in Statistics has a mean of 73 with a standard deviation of 7.73. Assume that a random sample of 24 students is selected and the mean test score of the sample is computed. What percentage of sample means are less than 70?
asked on November 19, 2016 
PreCalc
The average age of the groom at a first marriage for a given age of the bride can be approximated by the model y=.107x^2+5.68x48.5, 20
asked on January 20, 2015 
Please help me ASAP!!!
Three uniform spheres are fixed at the positions shown in the diagram. Assume they are completely isolated and there are no other masses nearby. (a) What is the magnitude of the force on a 0.20 kg particle placed at the origin (Point P)? What is the
asked on March 31, 2014 
commposition
How do I make an outline for a research paper?
asked on April 13, 2008 
Math
Waddell mountains have a species of birds that hatches two birds each week. Currently there are 7 birds. Write a function represent this graph?
asked on February 7, 2016 
Management
Can anyone please help me with these questions for the final exam? 1) It is April, and you are the plant manager at a unionized parts warehouse. You have been asked by top management to inform the line workers that the plant will be shut down during
asked on October 16, 2011 
physics
Accuracy is how close a measured value is to the actual (true) value. Precision is how close the measured values are to each other.
asked on August 5, 2011 
english
needing to write 5 sentences that are no repeat sentences about New Years resolution and you can not repeat any words already used in any of the other sentences
asked on January 5, 2011 
Physics
A tennis ball is thrown vertically upward with an initial velocity of +8.0 m/s. a. what will the ball's speed be when it returns to its starting point? b. how long will the ball take to reach its starting point?
asked on September 24, 2008 
physical
what is body composition measured by using calipers?
asked on April 19, 2008 
Finance
MarieJosee intends to buy her father company. He wishes to sell her his company for a $850 000 amount because he would like to bequeath his inheritance to his daughter in his lifetime. Knowing the big generosity of her father, MarieJosee wishes to make
asked on October 21, 2007 
Science  Physics
how much power is in my bicep if i can lift 50kg a height of 50cm 40 times in one minute?
asked on November 28, 2017 
English
Greek Zeus What did they create?
asked on September 7, 2017 
English
Greeks Zeus what myths or stories are they involved in? and describe these myths or stories:
asked on September 7, 2017 
Chemistry
Mg + 2HCI > MgCl2 + H2 0.158 g of Mg metal is combined with an excess of HCl to make 100.0 ml of solution in a coffee up calorimeter. The reaction rises from 25.60 C to 32.80 C. Determine delta H for the reaction of one mole of Mg. Units in kJ. 3
asked on December 3, 2016 
physics
A race car accelerates from 50 m/s to 75 m/s over a distance of 400 m. What is the race car’s acceleration?
asked on May 18, 2016 
Chemistry
A mettallurgist decided to make a special alloy. He melted 30 grams of Au(Gold) with 30 grams of Pb. This melting process resulted to 42 grams of an AuPb alloy and some leftover Pb. This scientist wanted to make 420 grams of this alloy with no leftovers
asked on October 31, 2011 
Physics
Measurements can be described as accurate and/or precise. Define accuracy and precision and give examples of how those terms could be used to describe a measurement.
asked on August 5, 2011 
statistics
Let U = {5, 10, 15, 20, 25, 30, 35, 40} A = {5, 10, 15, 20} B = {25, 30, 35, 40} C = {10, 20, 30, 40}. Find A ⋂ B.
asked on May 15, 2011 
Chemistry
When 0.655 g of Ca metal is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 107C is observed. Assume the solution's final volume is 200.0 mL, the density is 1.00 g/mL, and the heat capacity is 4.184 J/gC. (Note: Pay attention to significant
asked on February 22, 2010 
Chemistry
When 0.945 g of CaO is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 387C is observed. Assume the solution's final volume is 200.0 mL, the density is 1.00 g/mL, and the heat capacity is 4.184 J/gC. (Note: Pay attention to significant
asked on February 22, 2010 
Math
The three sides of a triangle are consecutive even integers. If the perimeter of the triangle is 72 inches, find the lengths of the sides of the triangle
asked on September 6, 2017 
World History
Could someone explain how nationalism contributed to Napoleon's defeat?
asked on March 24, 2014 
math
Give two equivalent fractions for the smallest amount of problems you need to complete correctly on a homework assignment to get 85%
asked on August 27, 2012 
Chemistry
how much 2% solution do I need to convert 20 ml of 5% solution to a 3% solution?
asked on October 12, 2011 
Math
How many digits are in the smallest positive number divisible by th first ten numbers in the Fibonacci sequence?
asked on May 27, 2011 
chemistry
a sample of oxygen gas has a volume of 2730 cm3 at 21.0 C. At what temperature would gas have a volume at 4000 cm3?
asked on January 7, 2011 
College Algebra
Solve the system: x + y + z = 1 2x + 2y + 5z = 1 5x + 2y + 3z = 8 what is the value of x in the solution?
asked on December 11, 2010 
math
I have the first few words:did you hear about the water polo player who... whats the rest?
asked on November 16, 2010 
Math
i am having problems solving this question can you please help? b[(12c3a)210= a=2, b=3, c=4
asked on October 7, 2008 
math
Raj's score increased by 21 is 61
asked on August 26, 2018 
7TH GRADE mATH
SIMPLE INTEREST EARNED TO THE NEAREST CENT FOR EACH PRINCIPAL, INTEREST RATE, AND TIME. 1500,4.25%, 4 YEARS
asked on November 1, 2016 
Math
One positive number is two more than a second number their product is 168
asked on October 31, 2016 
Math
5/a=6/7 what is the A
asked on February 24, 2016 
Science
How many grams of CH3SH must be added to water to prepare 410mL of a solution that is 2.5 M CH3SH?
asked on November 4, 2014 
Science
How many grams of H2SO4 are in 125 mL of a 3.00 M solution of H2SO4?
asked on November 4, 2014 
Management
Can someone help me with these 2 questions from principles of management.thank you 1) Using the comprehensive approach, tell what steps you would take to manage a change. For each step, give specific examples of actions you would take at that step. 2)
asked on October 18, 2011 
Math
A pyramid is inscribed in a cube whose volume is 52pi cm^3. The volume of a sphere is equal tpo the volume of this pyramid. Find the volume of a second cube whose edge is equal to the radius of the sphere.
asked on May 30, 2011 
calculus
find the volume of the solid whose cross section is perpendicular to the x axis from isosceles right triangles and has a leg that run from the lines y=x to the line y=.5x
asked on April 11, 2011 
Medical Coding, Part 1
10. Which of the following codes is used for the diagnosis "closed dislocation of the sternum"? A.839.61 C. 839.71 B.839.8 D. 839.9 11. A 50yearold new female patient has had a sore throat and head congestion for five days. The physician performs an
asked on February 23, 2011 
math/accuplacer
The principals is buying pizza for the schoolwide pizza party. If there are 1852 students in the school & each student in the school & each student can eat approximately 3 slices of pizza, estimate the 3 of slices the students will eat in total.
asked on March 30, 2010 
English
what might be the synonym to the word "create" does someone know the good dictionary of synonyms (if something like this even exist....)
asked on February 1, 2009 
English
hmm how to write this in ur own words... I do agree that this poem is like "the whoosh of the imagination at work". Firstly, there is the style of writing in the poem. There is no punctuation at all in this poem. This shows how quickly the boy's
asked on January 31, 2009 
math
If you need 138 balloons and have 5 bags, each bag has same number of balloons in it. We need 18 more balloons to finish How many balloons in each bag?
asked on September 10, 2008 
Medical
a type of breathing the word is 6 letters long.Please Help
asked on May 27, 2008 
social studies
what volter mean by seying goverment need to have both shepherd and butchers
asked on March 18, 2008

maths
97
posted on June 4, 2019 
spanish
hi
posted on May 21, 2019 
calculus(related rates)
hi
posted on May 6, 2019 
Social Studies
Wtf funny
posted on April 12, 2019 
Math
It's 13 i was doing this homework with my son.
posted on February 26, 2019 
biology
LMAOOOO^
posted on October 11, 2018 
Math
200 yards = 600 feet since every 3 feet is a yard you would multiply it. Then (P) = L+W so 600+300 = 900 feet
posted on May 22, 2018 
History/ Civics
URTEA he got most of the answers lol, he was just asking if he was right its just like having a teacher check over your work
posted on May 7, 2018 
math
This was uploaded on my 2nd bday haha
posted on May 7, 2018 
U.S History
So um B? wdym by "Right"
posted on May 7, 2018 
Math
8,8,9,10,11,14
posted on February 20, 2018 
Math
2336 4/5
posted on September 20, 2017 
English
Can you give me a short summary of it
posted on September 7, 2017 
English
I'm asking about zeus
posted on September 7, 2017 
Chemistry
89.7
posted on June 28, 2017 
algebra
15
posted on March 1, 2017 
Math
thx
posted on January 31, 2017 
pre algebra
2  0.43
posted on December 8, 2016 
Physics
6.89 seconds?
posted on September 2, 2016 
1st grade
I drove past a sandwich shop.
posted on May 21, 2016 
Math Help Please!
Since you have two equations that equal y, you can set them equal to themselves, so 3x+20=x^2+2x If you move those all over to one side, you get that x^2x20=0. From there you can factor out into two parts, (x5)(x+4)=0. So for this set of equations you
posted on April 18, 2016 
math
A shirt regularly cost $38 but it is on sale for 40% off. What is the sale price of the shirt?
posted on March 31, 2016 
Physics
Just use the equation W=F*X since it is a flat surface. There is no friction that would counteract and make this more complex. The only forces acting on the block would be the tension. In short, the work would be 300N*m or 300J, assuming that the problem
posted on March 20, 2016 
physics
The sequence would be 2,3,1. Looking at a specific variable, lets say the velocity of the larger mass. For the first kind of catch, the velocity of the medicine ball is the same, so it should be the hardest as there is no compensation for difficulty due to
posted on March 20, 2016 
Stupid Math School Math
HALP ME PLZZZZZZZZ I NEED THIS BY SUNDAY 1:30 EST
posted on March 19, 2016 
asc
typo: more is spelled as 'ore'
posted on March 19, 2016 
Business
Job Rotation (I guess, I'm not much of a business expert yet...)
posted on March 19, 2016