Tuesday
October 21, 2014

Posts by Clare


Total # Posts: 50

Science
5. A team of scientists is testing a new drug on AIDS patients. They expect patients to develop fewer AIDS-related illnesses when given the drug, but they don't expect the drug to cure AIDS. Thought Process: a. What is the independent variable? New drug treatment b. What ...
September 13, 2014

Science
Identify the dependent and independent variables in the following experiments. 1. Height of bean plants is recorded daily for 2 weeks. 2. Percent absorption by a pigment is measured for red, blue, green, and yellow wavelengths of light. My thought process: 1. a. Dependent: ...
September 11, 2014

Precalculus
If the length of a rectangular is three feet longer than the width and the perimeter is 62 feet, what is the width?
August 29, 2014

Chemistry
Thank you!
April 22, 2014

Chemistry
Assuming an efficiency of 38.60%, calculate the actual yield of magnesium nitrate formed from 145.9 g of magnesium and excess copper(II) nitrate. I got 230.5g but it isn't right.. I got 6 mols of Mg then calculated molar mass of Mg(NO3)2 and got 148.31 and then multiplied ...
April 22, 2014

Chemistry
At noon on a clear day, sunlight reaches the earth\'s surface at Madison, Wisconsin, with an average power of approximately 1.00 kJ·s–1·m–2. If the sunlight consists of photons with an average wavelength of 510.0 nm, how many photons strike a 1.30 ...
January 30, 2014

Math
Solve the equation for the unknown quantity x. Round to the nearest thousandth if needed. 2x=29
December 14, 2013

Math
A drug is eliminated from bloodstream exponentially with half life of 48hours. If patient receives initial dose of 15 milligrams at midnight, how much of drug is in patient's blood at noon the next day?
December 14, 2013

Math
Solve the equation for unknown quantity x. 2x+29
December 14, 2013

Math
How much energy, in joules, is released by an earthquake of magnitude 3.4?
December 14, 2013

Math
Initial population of a town is 18,691 and it has a doubling time of 15 years. What will the population be in 4 years?
December 14, 2013

Math
half life of a drug in the bloodstream is 14 hours. By what factor does the concentration of the drug decrease in 22 hours?
December 14, 2013

Georgia Studies
Apart from being a dispute over land between the French and British, what are some key elements to the French and Indian War?
October 28, 2013

Physics
A train with a mass 5x10^5 kg is moving with a speed 80km/hr. If the train stops in 2min...1)What is the acceleration of the train? 2) What is the braking force applied to the train?
February 4, 2013

Accounting
Q1). As the chief accountant of Breathless Perfume Pty ltd, you discover a significant misstatement that overstated net profit in this year’s financial statements. The misleading financial statements are contained in the company’s annual report, which is about to be ...
August 19, 2012

college physics
When a projectile lands, the angle made between the projectile and the ground corresponds to which of the following aspects of its motion? a)the direction of the acceleration vector just before impact b)direction of the velocity vector just before impact c)direction of the ...
April 18, 2012

h.s. physics
Consider a projectile that is thrown upward at an angle between 10 and 80 degrees from the horizontal, when are the acceleration and velocity vectors perpendicular to each other? (Only consider the motion during free fall.) a) nowhere b)at the highest point c)the launch point ...
April 18, 2012

college physics
When a projectile lands, the angle made between the projectile and the ground corresponds to which of the following aspects of its motion? a)the direction of the acceleration vector just before impact b)direction of the velocity vector just before impact c)direction of the ...
April 18, 2012

college physics
Consider a projectile that is thrown upward at an angle between 10 and 80 degrees from the horizontal, when are the acceleration and velocity vectors perpendicular to each other? (Only consider the motion during free fall.) a) nowhere b)at the highest point c)the launch point ...
April 18, 2012

Algebra
Ohh right thank you
April 16, 2012

Algebra
wait isn't (y^-2)/(y^4)=y^2?
April 16, 2012

Algebra
Please simplify completely :)
April 16, 2012

Algebra
(100x^3y^-2)/(64x^7y^4)
April 16, 2012

Geometry
Marion is observing the launch of a space shuttle from the command center. When she first sees the shuttle, the angle of elevation to it is 16°. Later, the angle of elevation is 74°. If the command center is 1 mi from the launch pad, how far did the shuttle travel ...
February 23, 2012

Geometry
True or False: An angle of depression can never be more than 90˚.
February 23, 2012

literature
What are two things that can be a symbol of courage?
November 8, 2011

Music Theory
Thank you. That helped a lot!
October 12, 2011

Music Theory
How do you change a natural minor scale to a harmonic minor scale? For example: d harmonic minor
October 12, 2011

Algebra
Oh I guess it does. Thanks!
October 12, 2011

Algebra
But that still doesn't work in the equation...does it?
October 12, 2011

Algebra
No thats what someone else said and it doesn't work!! And I thought -.6 x 2= -1.2 not positive 1.2.
October 12, 2011

Algebra
Hi this question was already asked but there is still no correct answer. I can't seem to solve this for x correctly...I got 128 over 55 as an answer which can't be correct. Please help me find the correct answer! Thanks The equation is: .05x-.6(x+2)=.08 Please show the...
October 12, 2011

science
Not really sure I understand the question, but as a substance cools, particles move faster. As a substance heats up, particles move slowly. Sorry if that wasn't your question...
October 12, 2011

Algebra
That doesn't work because -.6 x 2= -1.2, not positive 1.2. And it still doesn't equal .08 when you plug it in.
October 12, 2011

Algebra
I can't seem to solve this for x correctly...I got 128 over 55 as an answer which can't be correct. Please help me find the correct answer! Thanks! The equation is: .05x-.6(x+2)=.08 Please show the work as well as the answer. Thanks again.
October 12, 2011

algebra
If it is 2x, x would be 10. 2x + 16= 36 -16 -16 2x=20 /2 /2 x=10
October 12, 2011

intermediate algebra
Divide and check: show all work (t4 − 2t2 + 4t − 5) ÷ (t2 − 3)
October 2, 2011

Physics
A grenade is thrown from a trench that is 10 meters below groud level. The soldier throws the grenade at a velocity of 30 m/s at an angle of 60 degrees above the horizontal. Determine the horizontal distance the grenade will fly before it hits the ground, and the magnitude and...
September 24, 2011

math
Carbon disulfide is produced by the reaction of carbon and sulfur dioxide. 5C(s) +2 SO2(g) ---------> CS2(g) + 4CO(g) How many moles of CO would be made if you started with 10 moles of C?
May 25, 2011

Chemistry
1.17 V
November 15, 2010

calculus
can someone please help me with these 3 questions: 1) Evaluate the limit. lim_(x->infinity) (ln(ln(4 x)))/(4 x) 2)Find y ' and y ". y= ln(5 x)/x^7 3)y =(arctan)(x - sqrt(1+x^2)) for this question i got y = -1/(2(1+x^2))which was wrong. Please and thank you!
October 29, 2010

Math
IDK
September 22, 2010

math
find equivalent fractions: 6/10, 3/4, 4/12 and 1/5
December 3, 2009

Math
Sorry that didn't come out clearly. The first part is meant to say Find and then the partial differential dV/dp
May 17, 2009

Math
Fing (ÝV/Ýp)_T,n given pV = nRT(1 + (B/V) + (C/(V^2)) + (D/(V^3)) ) I know how to do partial differentiation, but I have no idea how to rearrange this for V
May 17, 2009

Math
dz =(−sinx + 2xy^2)dx +(2x^2 y)dy Integrate the differential to find the function z. Would I say that z was equal to two separate differentials and integrate the first part of the function with respect to x and the second part with respect to y? z = cosx + x^2 y^2 + x^2 ...
May 17, 2009

history
its B
April 8, 2009

6th grade science
Continetal Glaciers Smooth the landscape Because The Glaciers melt and it is carried downhill which makes it smooth everything in its path
January 27, 2009

social studies
Who was an ancient Roman writer and historian who wrote about the great fire in Rome?
October 17, 2008

English
What is the name of that English tecnique where the authour deliberately associates the name of a character with their personality traits- for example Miss Blissful, who is a happy, serene, 'blissful' character... Kind of like implicit characterisation but its a ...
April 12, 2007

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