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November 24, 2014

Posts by Rose


Total # Posts: 929

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

Math
77
October 18, 2011

Math
87
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
21
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

geometry
32
June 14, 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

Physics
what propels a rocket away from the surface of the earth?
November 14, 2010

Physics
what propels a rocket away from the surface of the earth?
November 14, 2010

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