please help me
The hemophilia gene is located 12 map units from the red-green colorblindness gene on the X chromosome. Red-green colorblindness is recessive to normal color vision. A woman with normal blood clotting and normal color vision, but whose father was a hemophiliac and whose mother...
March 17, 2011
. The hemophilia gene is located 12 map units from the red-green colorblindness gene on the X chromosome. Red-green colorblindness is recessive to normal color vision. A woman with normal blood clotting and normal color vision, but whose father was a hemophiliac and whose ...
March 17, 2011
An unknown compound X is one of the four compounds listed in the table below. A mixture of X with o-toluic acid melts at 100 degrees Celsius, a mixture of X with benzoic acid melts at 112 degrees Celsius, a mixture of X with phenyl succinate melts at 110 degrees Celsius, and a...
March 14, 2011
Ok now I have to find the mole fraction of the solvent. I know the formula, which is the moles of a substance/ total moles of solution. Is the moles of the substance the number we just obtained? And which is the "total" moles of solution?
March 3, 2011
How do you find the mass of a solution if you have 1L of 2.5 M MgCl2. I have determined how many moles are present in MgCl2 which was 2.5 and how grams are present which came out to be 238.025g Now I'm asked "What is the mass of the solution and the mass of the ...
March 3, 2011
Using the procedure of comlpeting the square, write the equation x^2+y^2-6x+8y=0 in the form (x-h)^2+(y-k)^2=r^2. state the domain and range where(h,k) is the center of the circle and r is the radius
January 15, 2011
Objects on the moon's surface have an acceleration due to gravity one-sixth that on the earth's. What would the 40 kg boy weigh on the moon? (Round answer to nearest tenth.)
December 9, 2010
A particular guitar string is supposed to vibrate at 220 , but it is measured to vibrate at 230 . By what percent should the tension in the string be changed to correct the frequency? I have been working for 7 hours of hw! Please help!
November 15, 2010
spherical aluminum ball of mass 1.22 kg contains an empty spherical cavity that is concentric with the ball. The ball just barely floats in water.Calculate the radius of the cavity.
October 5, 2010
Two bicyclists, starting at the same place, are riding toward the same campground by two different routes. One cyclist rides 1500 m due east and then turns due north and travels another 1430 m before reaching the campground. The second cyclist starts out by heading due north ...
September 16, 2010
A pump is installed in the basement of a 10-storey building in order to supply the occupants with water. Each storey is 3m high. How much pressure must the pump exert on the water so that the water reaches the 10th floor with a pressure of 400 kPa?
September 1, 2010
Within a book on a desk there are billions of forces pushing and pulling on all the molecules. Why is it that these forces never by chance add up to a net force in one direction, causing the book to accelerate "spontaneously" across the desk?
August 26, 2010
Please check my answers. Identify each of the following as either assets, liabilities, or owner's equity. 1. Petty cash- Owner's Equity 2. Mortgage payable- Liabilities 3. Furniture- Assets 4. Owner's Capital- Owner's Equity 5. Food inventory- Assets 6. Profit...
August 24, 2010
Data obtained from lab (neutralization): H2SO4: C =1.0mol/l V = 30 mL Initial temp. = 24.1 NaOH c= 1.0mol/L v= 50 mL initial temp. = 23.9 Final temp. of H2SO4 & NaOH = 32.9 Assume specific heat capacity of both these substance is equal to water's = 4.19 Calculate the molar...
June 12, 2010
According to the data booklet Cu(NO3)2 and Sn(s) are spontaneous Cu2+ being a strong reducing agent and Sn(s) being a strong oxidizing agent but according this lab: d2l.adlc.ca/content/ADLC-Depts/ScienceSH/SCN3796-5cBl-08Feb10/chemistry_30/mm/m3/m3_l3_testing_predictions/...
June 10, 2010
The chart on the next page is an example of a quality control chart. Samples of parts and products are drawn from an assembly line and checked against engineering specifications. Write a short report describing the various features of the chart and the performance of the ...
May 28, 2010
On grid paper I have a capital letter I three cubes across to make the top of letter I, three cubes in the middle, and three cubes across the bottom? So, how would I figure out the area?
May 19, 2010
Yesterday someone posted my exact question, but I can't find the answer. What is area/perimeter of capital letters: I, U, and J? I know that area= lxw P= add up all the sides The area part is hard to figure
May 19, 2010
The Rental Depreciation Problem. The owner of a rental house can depreciate its value over a period of 27 ½ years, meaning that the value of the house declines at an even rate over that period of time until the value is $0. a. By what fraction does the value of the ...
May 7, 2010
An earthquake is a violent shaking of the Earth's crust that may cause destruction to buildings and results from the sudden release of tectonic stress along a fault line or from volcanic activity.
May 3, 2010
Suppose r(x) = 8(x)^(1/2) represents revenue and c(x) = 2(x)^2 represents cost, with x measured in thousands of units. Is there a production level that maximizes profit? If so, what is it?
April 28, 2010
Elementary math for teachers
Scoring in Golf. A golfer played 8 rounds on a tournament course with the following scores (par is the expected score for a round; negative numbers represent the number of strokes under par for the round, and positive numbers represent the number of strokes over par for the ...
April 27, 2010
Can you help me put the following events in order: -hitler declares austria part of germany -naie terrorize jewish on "kristallnacht -france and GB agree to defend Poland -hitler and stalin sign a friendship treaty -the leaders of GB, France, Italy and Germany meet -nazi ...
April 27, 2010
BD is a perpendicular bisector of triangle ABC. XZ is a perpendicular bisector of triangle WXY. Triangle ABC is similar to triangle WXY with a scale factor of 1:3. Part I. Find BD, AB, WZ, XZ and WX. Part II. What is the scale factor of the perimeters of triangle ABC and ...
April 6, 2010
find the volume of the solid whose base is bounded by y=e^(-x), y=3cos(x), and x=0 and whose cross sections cut by planes perpendicular to the x-axis are squares the answer is 3.992 units cubed but can someone explain to me how to get this answer using integrals?
April 5, 2010
The phosphoric acid in a 100.00 mL sample of a cola drink was titrated with 0.1476 M NaOH. The first equivalence point was detected after 13.32 mL of base added, and the second equivalence point after 28.65 mL. Calculate the concentration of H2PO4- in mol/L. (Hint: if only ...
January 29, 2010
What is the modifier of the prepostional phase and what kind of prepostional phrase is it? Adverb or Adjective? 1. Its invention in 1978 revolutionized technology. 2. The microwave oven was invented in 1946.
January 24, 2010
There is an 8 square box, I have to put the numbers 1-8 in the eight boxes, BUT no consecutive numbers can be by each other, and cannot be by each other vertically, horizontally, or diagonally. How can the numbers 1-8 fit in there when they can't be by each other. I tried ...
January 20, 2010
A car air bag requires 70. L of nitrogen gas to inflate properly. The following equation represents the production of nitrogen gas: 2NaNsubscript3 -> 2Na + 3Nsubscript2 The density of nitrogen gas is typically 1.16g/L at room temp. Calculate the number of grams of ...
January 9, 2010
i need help with this question.any help would be appreciated. 1.A company designs jackets that have stripes of equal width but different color.The background color of the jackets is different than the color of any of the stripes. How many different color patterns can the ...
January 5, 2010
For the following question, we need to find the length of the polar curve: r= 2/(1-cosx) from pi/2 </= x </= pi dr/dx= -2sinx/(1-cosx)^2 therefore the length would be expressed as follows: the integral from pi/2 to pi of (sqrt)[(2/(1-cos))^2 + (-2sinx/((1-cosx)^2))^2 ...
December 13, 2009
The Bell Curve
In The Bell Curve, Richard Herrnstein and Charles Murray argued that the nation cannot come to terms with its massive social problems until it confronts the role of intelligence. "How bright someone is, is the single variable that has the largest impact on income and ...
December 7, 2009
Perform long division on the integrand, write the proper fraction as a sum of partial fractions, and evaluate the integral: (integral of) 2y^4dy/y^3 - y^2 + y - 1 After long divison I get: (integral of)2ydy + 2(integral of)dy + (integral of) 2/y^3 - y^2 + y - 1 I keep getting ...
December 6, 2009
Express the integrals as the sum of partial fractions and evaluate the integral: (integral of) (x^2)dx/(x-1)(x^2 +2x+1) My work: The above integral is equal to x^2dx/(x+1)^2 (A/x-1) + (B/x+1) + (Cx+D)/(x+1)^2 = x^2 A(x+1)^2 + B(x-1)(x+1) + (Cx+d)(x-1) = x^2 Ax^2 + 2Ax + A + Bx...
December 6, 2009
Spinal cord regeneration: Given what you know about axons and dendrites (which constitute the spinal cord), do you think the findings of regeneration in rats will apply to humans? What about humans whose spinal cords are crushed, rather than severed? What about people like ...
November 20, 2009
Given the sequence of bases in the sense strand of DNA shown below, please answer the following questions. 5'-ATGTTTCCCCAGAAGAGGTATGGGAAAAAGATTTGA-3' a. Show the sequence of bases in the messenger RNA encoded by this gene. I'm not sure what this means. I looked up...
November 4, 2009