Les
Most popular questions and responses by Les
Math
Determine the projection of u = 1.6i + 3.3j in the v = 2.1i  0.5j direction a. 0.8i +0.2j b. 2.3i = 0.5j c.0.6i1.3j d. 1.2i1.1j
asked on April 2, 2017 
math
Find the angle between u=(8,3) and V=(3,8). Round to the nearest tenth of a degree
asked on April 2, 2017 
statistics
One of nature's patterns connects the percent of adult birds in a colony that return from the previous year and the number of new adults that join the colony. Following are data for 13 colonies of sparrowhawks: Percent return 73 61 79 54 75 62 53 46 57 50
asked on January 11, 2015 
12th grade
If a car is accelerating downhill under a net force of 3674, what additional force would cause the car to have a constant velocity?
asked on October 3, 2010 
Graphs
The graph of y = f(x) is shown below. Assume the domain of f is [4,4] and that the vertical spacing of grid lines is the same as the horizontal spacing of grid lines. The points (a,4) and (b,4) are on the graph of y = f(2x) Find a and b.
asked on April 12, 2016 
Science
A 15kg tuna fish moving horizontally to the right at 5m/s swallows a 2kg fish that is swimming to the left at 7.5 m/s .What is the speed of the tuna fish immediately after,if the force exerted on the fish by the water can be neglected?
asked on February 28, 2019 
trigonometry
An airplane flying at an altitude of 5100 ft is 12000 feet from an airport. what is the angle of elevation of the plane? I don't know how to start the problem.
asked on September 21, 2014 
chemistry
Compute the freezing point of this solution: 25.5 g C7H11NO7S (4nitro2toluenesulfoinoic acid dihydrate) in 100 g H2O. (nonionizing solute)
asked on August 4, 2010 
science
Please unscramble acronoc,glataroil, frete, estoroit, whockudoc. http://wordsmith.org/anagram/
asked on March 22, 2007 
reading
Why do you think the earth's crust is thicker under land than under bodies of water?
asked on December 5, 2012 
Chemistry
What is the total ionic and net ionic equation for this aqueous reaction?: Sr(OH)2(aq) + HClO2 (aq) I wrote the molecular as: Sr(OH)2 (aq) + HClO2 (aq) > SrClO2 (aq) + H20 (l) Is the Total Ionic: Sr2+ (aq) + 2OH (aq) + H+ (aq) + 2ClO (aq) > Sr2+
asked on December 12, 2016 
Math
Deternmine the volume of a cylinder with a radius of 5cm and a height of 30cm. How long would it take it to fill this cylinder with water if you were using a fountain with a flow rate of 2400 mL/min? 1cm^3=1mL
asked on September 19, 2016 
Algebra
Find an equation of an ellipse satisfying the given conditions: Foci: (−2,0) and (2,0) Length of major axis: 8 Thank you
asked on November 7, 2016 
geometery
a worker walked 8ft. upa ramp and was 3ft. above ground level. If he walkes an additional 12ft. up the ramp,how many ft. will he be from the ground?
asked on June 3, 2013 
math
how to convert 4.50 cubic feet to milliliters
asked on February 8, 2011 
5th grade
why the climate in the appalachian mountains would be warmer the the rocky mountains
asked on August 27, 2009 
Chemistry
How many aluminum atoms are there in 15.0mg of Al2O3?
asked on December 12, 2016 
math
Find the constant c that makes the quadratic x^2 + 7x + c the square of a binomial.
asked on April 12, 2016 
trig
determine the period of y = tan 2x
asked on July 4, 2012 
English
Consider the sentence: Jim wore a red jacket and hat. Does the adjective red apply to both the jacket and the hat? In my opinion it does but it lacks clarity. Is there a reference anywhere to support either side of this argument? There are strong pros and
asked on May 1, 2007 
Math
Find the smallest value of x such that x^2+6x + 9 = 24.
asked on April 12, 2016 
6th grade language arts
What is a mood/tone map?
asked on November 3, 2009

Math
A B C B
posted on March 2, 2017 
English
Yes
posted on December 14, 2016 
Chemistry
Thank you bobpursley!!!
posted on December 12, 2016 
Math
104
posted on October 11, 2016 
Anthropology
b
posted on April 12, 2016 
7th grade Math quick help Ms. Sue
seriously guys? i go to connections too and we all need help sometimes just calm down
posted on September 25, 2015 
religion
Speaking as a westerner who is studying Buddhism, as a mode of living not necessarily a religion, I also find myself wondering whether or not there was only one Buddha. This question occurred to my while reading "Alone with Others an Existential Approach
posted on March 20, 2009