Curt
Most popular questions and responses by Curt
math
A school debate team has 4 girls and 6 boys. A total of 4 of the team members will be chosen to participate in the district debate. What is the probability that 2 girls and 2 boys will be selected? A.3/7 B.4/10 C.1/14 D.1/210
asked on February 28, 2017 
Physics
a 47 kg person in a rollercoaster moving through the bottom of a curved track of radius 47.7 m feels a normal force of 895 n
asked on June 13, 2019 
physics
An object is thrown vertically up and attains an upward velocity of 10 m/s when it reaches one fourth of its maximum height above its launch point. What was the initial speed of the object? The acceleration of gravity is 9.8 m/s2. Answer in units of m/s
asked on September 29, 2015 
History
How does the process of quarantine change from the Indians (small pox), Italians (typhoid) to the Chinese (bubonic plague)? Explain.
asked on November 14, 2011 
Math
A store mixes Brazilian coffee worth $10 per kilogram and Turkish coffee worth $12 per kilogram. The mixture is to sell for $11 per kilogram. Find out how much of each should be used to make a 216 kilogram mixture.
asked on October 6, 2012 
chemistry
How many atoms of tin are necessary to react completely with 7.42 x 10(24th)g of HF. Sn(s) + 2HF(g) = SnF2(S) + H2 (g)
asked on December 1, 2012 
Algebra
The vertices of a kite have coordinates (14,2), (10,4), (6,2), and (10,y). If the kite has an area of 64 square units, what is the value of y?
asked on March 4, 2012 
math
What happens when the king of breasts run in front of a train?
asked on June 4, 2010 
physical science
how much current flows through a circuit if the resistence is 4 ohms and there is a 12 volt battery?
asked on April 3, 2010 
8th grade
if x=5, y=4 and z=3 solve x squared (3x8y)
asked on April 20, 2010 
Chemistry
Estimate the value of deltaGf for COCl2(l) at 25 degrees celcius
asked on April 24, 2017 
Lit
The reasons Mcbeth fels he should not kill Duncan?
asked on March 20, 2011 
algebra
6x>1/13 the question is asking me for a solutions set using the multiplication principle
asked on April 15, 2010 
algebra
2r9s=24 9r+2s=62 the quest asks to write a order pair or tell if there is infinitely solutions or no solutions. can you help
asked on April 15, 2010

College Chemistry
pH = 3.16 Al(OH)3 + OH^ ==> Al(OH)4
posted on March 24, 2014 
physics
the question is a bit ambiguous in not specifying whether line of sight is UP from the horizontal or DOWN. the correct answer could be: h = 85m[tan 38deg + tan 35deg] ...if the observer is in a window of a nearby building or on a hilltop, etc. [many
posted on July 16, 2012 
Business Comm 1
A good paragraph has unity; that is, it discusses only one idea, or topic. The topic sentence states the main idea and provides a scaffold to structure your document. Your writing will be easier to read if you make the topic sentence explicit and put it at
posted on July 1, 2011 
math
thank you
posted on April 15, 2010