Saturday

June 25, 2016
Total # Posts: 1,232

**chemistry**

A mole of 1 gallon cans of paint could cover every square inch of the surface of how many planets the size of the earth?
*November 7, 2011*

**physics**********************

true or false- if you only want a small volume of hot water, you should place the immersion heater near the bottom of the hot water tank?
*October 27, 2011*

**physics**

true of false- if you only want a small volume of hot water, you should place the immersion heater near the bottom?
*October 23, 2011*

**statistics**

microfracture knee surgery has a 75% chance of success on patients with degenerative knees. The surgery is performed on 5 patients. Find the probability of the surgery being successful on less than 3 patients
*October 18, 2011*

**AP Chem**

I'm having trouble balancing these two oxidation-reduction reactions that occur in a basic solution. Can anyone help? Please? The numbers after the formulas are subscripts and any with a minus sign means they are negatively charged (-1). Thanks!! Al(s)+ MnO4-(aq)---> ...
*October 10, 2011*

**physics**

A quaterback throws the football to a stationary receiver who is 31.5m down the field. If the football is thrown at an initial angle of 40.0 degrees to the ground, at what initial speed must the quaterback throw the ball for it to reach the receiver? What is the ball's ...
*October 8, 2011*

**Critical thinking**

Explain the relationship between informative, explanatory, and persuasive statements and critical thinking.
*October 5, 2011*

**6th grade science**

A train travels at the rate of 120 km per hour. what is its speed in meters per minute?
*September 29, 2011*

**maths**

in right angled triangle ABC, angleBis90 degree and C is an acute angle of60degree. Also sin m<C=c/b. Find the following trig ratios.(a)mBC/mAB (b)cosec30degree
*September 27, 2011*

**Math**

its 44
*September 26, 2011*

**maths**

solve the formula for the given variable.Assume all variables as non-negative. A = 5s^2 for s
*September 25, 2011*

**pre-algebra**

x/4+2=1 show step
*September 22, 2011*

**Physics**

We saw in Example 5.7 how a centrifuge can be used to separate cells from a liquid. To increase the speed at which objects can be separated from solution, it is useful to make the centrifuge’s speed as large as possible. If you want to design a centrifuge of diameter 68 ...
*September 20, 2011*

**social studies**

Fill in the blanks.The scale on a map shows you how distances on the map ________________ to ______________
*September 15, 2011*

**chem**

If there is a stock generally made up at 50x concentration, how many milliliters of stock will we need to make up 2 liters of agar medium properly?
*September 14, 2011*

**CHEMISTRY.**

Knowing that bleach contatins 5% aqueous sodium hypocholirte, how much sodium hypochlorite does 700ml of 10% bleach contain? (in grams)
*September 14, 2011*

**Chemistry**

based on their locations in the periodic table, would you expect carbon and silicon to have similar properties? Explain
*September 8, 2011*

**Chemistry**

based on their locations in the periodic table, would you expect carbon and silicon to have similar properties? Explain your answer
*September 8, 2011*

**Algebra**

x is directly proportional to y and is inversely proportional to the cube of z.
*September 5, 2011*

**math**

Karina has 20 foot piece of ribbon. How many cus does she need to make cut 10 pieces of ribbon from it?
*August 23, 2011*

**Precalc**

Can someone please help me? I don't know how to solve for time under 23 units. When I try I think I get the answer for above 23 units and when I try to subtract from the whole period my answer is wrong. The correct answer is 5.1337 hours. Fidel is measuring the light ...
*August 19, 2011*

**critical thinking**

can claims be sujective andobjective
*August 5, 2011*

**Natural Resources**

In what ways did or does tradition play important roles in the management of natural resources in history?
*July 31, 2011*

**MATH**

EVALUATE 6a + 4b - 3c WHEN a=4, b=7, AND c= -2
*July 14, 2011*

**MATH**

I BELIEVE THE CORRECT ANSWER IS 27
*July 14, 2011*

**MATH**

EVALUATE 5x - 2y + 4z WHEN x=3, y=2, AND z=4 ??
*July 14, 2011*

**MATH**

EVALUATE 3x + 2y - 2z WHEN x=5, y=2, AND z=1 ???
*July 14, 2011*

**MATH **

LINDA INHERITED AN ESTATE WORTH $225,000. THE ATTORNEY TOLD HER THAT THE INHERITANCE TAX WAS 7% AND THAT THEY WOULD DEDUCT IT FROM THE ESTATE BEFORE GIVING HER THE MONEY. HOW MUCH MONEY WILL LINDA RECEIVE?
*July 14, 2011*

**MATH **

15,000 (GOD BLESSS YOU MS.SUE) THANK YOU!
*July 14, 2011*

**MATH **

15,000 IS RIGHT =)
*July 14, 2011*

**MATH **

THE SMITH FAMILY IS GOING TO BUY A HOME FOR $150,000. THEY WILL NEED A 10% DOWN PAYMENT. HOW MUCH WILL THEY NEED?
*July 14, 2011*

**MATH**

$29.50
*July 14, 2011*

**MATH**

EMILY WANTS A NEW DRESS. SHE ONLY HAS $30 TO SPEND. SHE LIVES IN A STATE WHERE THE SALES TAX IS 5%. ABOUT (ESTIMATE) HOW MUCH CAN THE DRESS COST IF SHE WANTS TO SPEND ALL HER MONEY?
*July 14, 2011*

**MATH**

1,263
*July 14, 2011*

**MATH**

DANIEL HAS A MONEY MARKET ACCOUNT WITH %1,200. THE BANK OFFERED HIM A SPECIAL RATE OF 5.25% PER MONTH. HOW MUCH MONEY WILL DANIEL HAVE AFTER THE FIRST MONTH?
*July 14, 2011*

**Critical thinking**

Premises her family must be wealthy if they will be hurt by the cut in capital gains Conclusion Wealty families will get hurt by the cut in capital gains
*July 11, 2011*

**Critical thinking**

Premises wealthy families will get hurt by the capital gains cut. Conclusion her family will get hurt by the capital gains cut so her family must be wealthy.
*July 11, 2011*

**Critical thinking**

A cut in the capital gains tax will benefit wealthy people. Marietta says her family would be much better off if capital gains taxes were cut, so I’m sure her family is wealthy.Identify the premises and the conclusions in the following arguments.
*July 11, 2011*

**math**

nvm. i know now.
*June 26, 2011*

**math**

set operations A^c = (A complement) B^c = (B complement) A^c intersection B^c intersection C no parenthesis :// do i get the intersection of all three or get the intersection of A^c and B^c first?
*June 26, 2011*

**physic**

its your first speed divided by 2
*June 23, 2011*

**Science**

i have to make an energy converter for a science project. it should include at least four energy conversions and the energies should include a renewable energy...i did a research and found a website that shows how to make a hydroelectric generator>;i made the hydroelectric ...
*June 18, 2011*

**Marketing**

For this activity, consider one of the products below that you are familiar with. Think about how this product is marketed and write and essay describing it terms of each of the marketing mix elements (product, distribution, price, and promotion). You will be graded on your ...
*May 31, 2011*

**Chemistry**

Thankyou!:)
*May 14, 2011*

**Chemistry**

how many radicals are in CuSO4? What occurs to CuSO4 particles in terms of temperature,energy and particles Arrangment as they move from matter to solid? What is the proccess called? (moving from liquid to solid)
*May 14, 2011*

**Math (Precal)**

csc^2x secx/sec^2x+csc^2x simplify.
*May 9, 2011*

**physical science**

All of the following are true water except that it
*May 6, 2011*

**operations management**

given the following information, provide an example of how much of farmers sausage gravy mix should be ordered. You are doing the order for thursday. service level 95%, and standard deviation of 3.5 units per week, and a moving average weekly demand of 35 servings. the gravy ...
*April 27, 2011*

**English**

Describe something that has been carefully observed. A flower please.
*April 7, 2011*

**classifing shapes**

hans back yard is shaped like a square all right angles.Classify the shape in as many ways as posible.
*March 24, 2011*

**social studies**

i am a 7th grd and i have to do a three page eassy on been respectful it due by 3/23/11
*March 23, 2011*

**marketing**

discuss how you might use the new product development process if you were thinking about offering some kind of seummer service to residents in a beach resort town
*March 14, 2011*

**marketing**

consumer services then to be intangible.and goods tend to be tangible, use an example to explain how the lack of a physical good in a pure service might affect efforts to promote the service.
*March 14, 2011*

**physics**

safiya places a 5.o-kilogram brick on chair in the classroom.the chair is 1.o meter off the ground.what is the gravitation potential of the brick if it falls off the chair?remember that gravity equals 9.8 meter per second squared.
*March 9, 2011*

**reading**

what is a metaphor using a time you were tired?
*March 3, 2011*

**reading**

what is a simile using a neighborhood cat?
*March 3, 2011*

**physics**

wow you are smart because you figure out your own queston
*March 3, 2011*

**Physics**

a) 13.456 m/s b)?
*March 2, 2011*

**Math**

The results of a medical test show that of 66 people selected at random who were given the test, 3 tested positive and 63 tested negative. Determine the odds in favor of a person selected at random testing positive on the test.
*February 27, 2011*

**7th grade math worksheet **

a robber ducky
*February 17, 2011*

**maths**

what is 0.68 into a fraction
*February 15, 2011*

**maths**

twenty-seven out of thirty students have a mobile work out the percentage of students who do not have a mobile phone! show each stage of working out? THANKYOU
*February 15, 2011*

**maths**

please someone answer
*February 15, 2011*

**maths**

four teenagers collected a total of £64 for charity. each teenager collected a whole number of pounds. the modal amount collected was £16. the range of the amounts collected was £2. work out how much each teenager collected?
*February 15, 2011*

**science**

david alteration is 20 divide by 0.4 which is 50!
*February 15, 2011*

**Geometry**

A road climbs at an 8 degree angle with the horizontal. What is the grade of the Road.
*February 10, 2011*

**math**

a store recorded net sales of 423,400 for the year.the store's beginning inventory at retail was105,850 and it's ending inventory was127,020. what would be the inventory turnover at retailrounded to the nearest tenth? i have no idea what i am doing.
*February 6, 2011*

**math**

calculate the monthly payment by loan amotization table: loan 26,000, down payment of 5,000 at 11% for 36 months
*February 5, 2011*

**math**

3x+4y=-22
*February 4, 2011*

**math**

solve this in 3 variables.. i don't know where to start,,:(( y/4+z/3-x/2=4 y/2-x/6+z/15=2 y/8+z/5-x/3=2
*January 15, 2011*

**Physics**

A speedy tortoise can run at .01 meters per second, and the hare can run 21 times as fast. I. A race they start at the same time, but the hare stops for 1.5 minutes so the tortoise wins by a shell(20cm). How long is the race? How long is the path?
*January 13, 2011*

**Biochemistry**

What is the new pH when 1mL of 1M HCl os added to 5mL of 0.1M Phosphate buffer (pH 7.4)?
*January 13, 2011*

**Biochemisty**

The TRIS-HCl buffer is 0.1 M.
*January 12, 2011*

**Biochemisty**

If I take 5mL of a TRIS/HCL buffer with a pH of 7.4 and add 1mL of 1M HCL, how do I determine the new pH?
*January 12, 2011*

**Biochemistry**

How do you prepare 100 mL of a 0.1 M TRIS-HCl buffer with a pH 7.4 using solid TRIS base (MW 121.1) and 1 M hydrochloric acid? I started with pH=pKa + log ([Tris]/[Tris+] [Tris]/[Tris+]= 10^(7.4-8.06]=0.219 so 0.219:1 ratio with 2.219 total [Tris}=(0.219/1.219)*0.1 M= 0.018 M...
*January 5, 2011*

**unscramble spanish words**

i dont kno
*January 2, 2011*

**Physics**

How much work(energy) is needed to lift an object that weighs 200N to a height of 4m? My question: is weight the same as force? if not, how do I find the amount of force
*December 17, 2010*

**english: greek mythology**

In the story Prometheus (he steals fire and gives it to humans), What human qualities do Prometheus and Zeus have? What is the significance of these gods having human qualities? please just point out a few qualities for each and some quotes that show examples of them- bullet ...
*December 16, 2010*

**Physics**

The F-14 Tomcat lands on aircraft carriers at a speed of 145 mph. The carriers capture system stops the aircraft within 2 seconds. What is the F-14's acceleration rate? in m/s^2?
*December 2, 2010*

**Physics**

The 2010 Mustang GT accelerates from 0 to 60 mph in 5.2 seconds. What is the acceleration rate? in m/s/s?
*December 1, 2010*

**algebra**

add 2y to both sides so that you get x alone: x=4y-8
*December 1, 2010*

**5th grade math**

64 # of photos on a page is 4 4+60=64 64/4=16 to get 4 as the # of photos, since it must be a 1 digit # you can use trial and error
*November 30, 2010*

**Math**

It's called a venn diagram
*November 30, 2010*

**geometry**

what is 5-y=3/4x in slope intercept form?
*November 30, 2010*

**Math**

I DON'T GET THE MINUSES IN THIS ONE? PLEASE HELP????
*November 30, 2010*

**chemistry**

A mixture of 8.00 g He and 26.5 g Ne has a pressure of 820. mm Hg. What is the partial pressure of each of the gases?
*November 30, 2010*

**math**

if 1/4=40, then 2/4=80, and 2/4 is the same as 1/2
*November 29, 2010*

**geometry**

I'm pretty sure they do. I also got 40-gon
*November 29, 2010*

**geometry**

if the measure of each exterior angle is 9, what type of polygon is it?
*November 29, 2010*

**Math**

The implied domain of f (x) = square x+5 is?
*November 28, 2010*

**Algebra**

2x^2+10x+7=0 factor this problem out
*November 19, 2010*

**math**

20 copies of the school yearbook together weigh 50 lb. What is the weight of each book? How do I set this up?
*November 19, 2010*

**Math**

it's asking what the measure of each angle is. subtract 56 from 180, divide by 2, add 56 to one of them, and thats your answer
*November 16, 2010*

**geometry**

what is 2x+6y=6 and 3/4x-1/2y=1/8 in slope intercept form?
*November 16, 2010*

**geometry**

what is 8x+4y=16 in slop intercept form?
*November 16, 2010*

**2nd grade**

spatial thinking which number comes 10 after 76 on the 100 chart? a- 77 b- 85 c-86 d- 87
*November 16, 2010*