Monday

April 20, 2015

April 20, 2015

Total # Posts: 91

**Pre-Calc **

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+5.68x-48.5, 20<=x<=25. Where y is the age of the groom and x is the age of the bride. For what age of the bride is the average age of the groom 26?
*January 20, 2015*

**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?
*December 18, 2014*

**Science**

How many grams of CH3SH must be added to water to prepare 410mL of a solution that is 2.5 M CH3SH?
*November 4, 2014*

**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?
*November 4, 2014*

**Science**

How many grams of H2SO4 are in 125 mL of a 3.00 M solution of H2SO4?
*November 4, 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 goal? Round to the ...
*May 20, 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?
*April 3, 2014*

**Spanish Help please**

These look correct to me
*April 1, 2014*

**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 direction of this force? (b...
*March 31, 2014*

**math**

Could you recheck this question? It seems there isn't any information as to if there is a slope, or not. Who's to say the amount of bacteria won't double, triple, or quintuple over a minute's time? I only picked up that at 0 min. There are 3000 of the bacteria ...
*March 24, 2014*

**World History**

Lol I guess so
*March 24, 2014*

**World History**

By rallying commoners that were not French to serve their nation-states(?)
*March 24, 2014*

**World History**

Could someone explain how nationalism contributed to Napoleon's defeat?
*March 24, 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.
*February 11, 2014*

**physics**

Can you retype the equation please? I would love to help.
*January 20, 2014*

**english**

yes.
*January 20, 2014*

**english**

I already have it up, its about an essay, its right below this one in english.
*January 20, 2014*

**english**

No prob. You should help me with my question ;)
*January 20, 2014*

**english**

I agree with Naah, the other ones have proof, whereas, D is an opinion, because there is not really a way to "prove" it.
*January 20, 2014*

**english**

i would say D. The other ones have statistical evidence.
*January 20, 2014*

**English**

This is exactly what I needed. :)
*January 20, 2014*

**English**

Thank you very much.
*January 20, 2014*

**English**

Please be as critical as possible
*January 20, 2014*

**English**

Yes, here it is, I mostly need peer editing . Guy Montag lives a dystopian society, with a distant wife. He had never done anything extraordinary, however; he suddenly became a grand book thief. Montag soon encountered a very different girl, by the name of Clarisse, after that...
*January 20, 2014*

**English**

I don't have a thesis yet, however I need to show how Fahrenheit 451 shows the hero's journey.
*January 20, 2014*

**English**

essay outline about the hero;s journey in fahrenheit 451?
*January 20, 2014*

**Social**

Revenge-support groups? More communication? Protection-more qualified adults/police to help keep the peace/ Attention Seeking...All I can think of is support groups yet again, or psychiatrists
*January 20, 2014*

**Pre-Calculus**

noooooooooo
*October 19, 2013*

**math**

For pooled sp = (n1-1)s1^2 + (n2-1)s2^2 /(n1+n2-2) Sqrt(29841/41 ) = 26.978 Confidence interval The degrees of freedom of t is n1+ n2 -2 xbar1-xbar2 -+ta/2 *sp*sqrt(1/n1 +1/n2)) (39-26)-+ 2.02* 26.978sqrt(1/27+ 1/16)) (-4.19, 30.19)
*June 26, 2013*

**math**

xbar1 - xbar2 -+ ta/2 * sqrt(s1^2/n2 + s2^2/n2) 13 -+ 2.02* sqrt(21^2/27 + 35^2 /16)) (-6.47, 32.47)
*June 26, 2013*

**Biochem**

In yeast, ethanol is produced from glucose under anaerobic conditions. What is the maximum amount of ethanol (in millimoles) that could theoretically be produced under the following conditions? A cell-free yeast extract is placed in a solution that contains 3.50 × 102 ...
*April 3, 2013*

**math**

Give two equivalent fractions for the smallest amount of problems you need to complete correctly on a homework assignment to get 85%
*August 27, 2012*

**math**

HE WENT DATAWAY
*June 14, 2012*

**math**

what is the value of y when x=2 in the equation y=-4x - 5?
*May 9, 2012*

**anthrpology**

a state of balance with nature
*April 23, 2012*

**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 the motorbike. Kinetic ...
*February 15, 2012*

**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?
*January 29, 2012*

**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
*December 9, 2011*

**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 Au-Pb alloy and some leftover Pb. This scientist wanted to make 420 grams of this alloy with no leftovers of any reactants. how ...
*October 31, 2011*

**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) Discuss social ...
*October 18, 2011*

**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)
*October 18, 2011*

**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 December due to excess ...
*October 16, 2011*

**Chemistry**

how much 2% solution do I need to convert 20 ml of 5% solution to a 3% solution?
*October 12, 2011*

**physics**

Given that the side of the square has a length b-a, 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 answers in terms of ...
*September 2, 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.
*August 5, 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. Say you are shooting at a Target. You shoot five times, and they all hit the bulls eye near each other; this is accurate and precise, because ...
*August 5, 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. but how do they relate to measurement?
*August 5, 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.
*August 5, 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.
*May 30, 2011*

**acrostic poem**

Math goals
*May 28, 2011*

**Math**

How many digits are in the smallest positive number divisible by th first ten numbers in the Fibonacci sequence?
*May 27, 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.
*May 15, 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
*April 11, 2011*

**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
*April 9, 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 50-year-old new female patient has had a sore throat and head congestion for five days. The physician performs an expanded ...
*February 23, 2011*

**psy**

ecological
*February 19, 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?
*January 7, 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
*January 5, 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?
*December 11, 2010*

**pre calculus**

simplify sin(2 pi/3+x)
*November 18, 2010*

**math**

I have the first few words:did you hear about the water polo player who... whats the rest?
*November 16, 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.
*October 8, 2010*

**math/accuplacer**

The principals is buying pizza for the school-wide 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.
*March 30, 2010*

**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)
*February 22, 2010*

**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 figures. Do not ...
*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 figures. Do not round...
*February 22, 2010*

**Pre-Algebra**

Josh is going to rent a truck for one day. There are two companies he can choose from, and they have the following prices. Company A charges and allows unlimited mileage. Company B has an initial fee of and charges an additional for every mile driven. For what mileages will ...
*May 1, 2009*

**Chemistry Lab+Help**

what is the structural formula for these two esters C3H6 02 and what are their names
*March 22, 2009*

**English**

ok thanks :)
*February 1, 2009*

**English**

i mean other than make...
*February 1, 2009*

**English**

what might be the synonym to the word "create" does someone know the good dictionary of synonyms (if something like this even exist....)
*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 imagination is ...
*January 31, 2009*

**Fractions From greatest to least**

1/9, 1/12,1/6
*November 19, 2008*

**Lit**

but i dont get it, mr norton relies on invisible man for his fate so therefore he isnt expressing emerson's theory. also he isnt teaching anyone everyhting is for his benefit: does that tell me something??
*October 12, 2008*

**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??
*October 12, 2008*

**Math**

i am having problems solving this question can you please help? b[(12c-3a)2-10= a=2, b=3, c=4
*October 7, 2008*

**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?
*September 24, 2008*

**Writing**

im trying to write a sentence using the word dictator and traipse but i don't know know so far i have, "The dictator was..." i don't know if i should write the dictator was traipsing or something else.
*September 19, 2008*

**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?
*September 10, 2008*

**Medical**

a type of breathing the word is 6 letters long.Please Help
*May 27, 2008*

**physical**

what is body composition measured by using calipers?
*April 19, 2008*

**commposition**

How do I make an outline for a research paper?
*April 13, 2008*

**social studies**

what volter mean by seying goverment need to have both shepherd and butchers
*March 18, 2008*

**math**

(3w)^9+2=81
*November 21, 2007*

**Finance**

Marie-Josee 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, Marie-Josee wishes to make projections to ...
*October 21, 2007*

**Math(Geometry)**

15. it's money--$1,$2,$5....
*August 22, 2007*

**HELP**

A. If you would buy a machine and had to pay payments on it that would increase the asset and liability accounts. B. If you had to use an asset for an expense it would decrease both asset and owners equity account. C. If you were to sell a property that you owned it would ...
*July 22, 2007*

**science - controlled experiment**

i say that you are a poop monkey and there is a reason u have no friends *fart* poop fart
*December 13, 2006*

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