Posts by edgar
Total # Posts: 54
the speed of a gear wheel varies inversely as the number of teeth of the gear. if a gear wheel which has 48 teeth makes 3 revolutions per minute. how many revolutions per minute will a gear wheel with 96 teeth make?
March 26, 2017
Two shaded identical rectangular decorative tiles are first placed (one each) at the top and at the base of a door frame for a hobbits house, as shown in Figure 1. The distance from W to H is 45 inches. Then the same two tiles are rearranged at the top and at the base ...
November 28, 2016
Henry took five tests. His average score was 57 points. He scored at least 50 points on each test. There were 100 points possible on each test. What is the highest score that Henry could have earned on any of the five tests?
October 17, 2016
A graph of the sequence f(n)=2n-3 and a graph of the function f(x)=2x-3 are both shown What accounts for the differences between the graphs in terms of range? i know only the difference of the domain but i have no idea the difference of the range can someone please help
May 9, 2016
A 34.0-kg crate is being pushed across a floor. The net horizontal force on the crate is 80.0N. Starting from rest, the crate is pushed over a distance of 4.4m. What is the final speed of the crate?
March 1, 2016
Baby crib bumpers have been used throughout generations, because parents like how cribs look, but many argue that they are dangerous for newborn babies to have on their cribs; however, there are other options to parents that feel that a baby crib needs a bumper.
February 28, 2016
maths( sets )
in the class of 30 leaners 17 plays football 15 leaners plays volleyball, 12 leaners rugby 9 leaners plays volleyball only and 3 leaners plays rugby only.all leaners plays atleast one of three sports.use the venn diagram to find the number of leaners who plays only vollyball ...
February 13, 2016
I need help with this question please. Imagine that you are developing the rules for an expert system to select the strongest candidates for a medical school. What rules or heuristics would you include?
November 3, 2015
Two children with masses of 18 kg and 36 kg are sitting on a balanced seesaw. If the heavier child is sitting 0.45 m from the center, at what distance from the center is the lighter child sitting? Answer in units of m. Please help !!!
January 25, 2015
A car is moving at 53 miles per hour. The kinetic energy of that car is 5 × 105 J. How much energy does the same car have when it moves at 102 miles per hour? Answer in units of J HELP!!!! I've tried doing (5*10 J)* (102/53)^2 and I keep on getting it wrong PLEASE ...
December 14, 2014
A man cleaning his apartment pushes a vac- uum cleaner with a force of magnitude 57.6 N. The force makes an angle of 25.3◦ with the hor- izontal floor. The vacuum cleaner is pushed 2.71 m to the right along the floor. Calculate the work done by the 57.6 N force. Answer ...
December 14, 2014
The acceleration of gravity is 9.8 m/s2 . What is the magnitude of the total force on a(n) 85 kg driver by the dragster he operates as it accelerates horizontally along a straight line from rest to 60 m/s in 7.2 s? Answer in units of kN So far I have (60-0)/7.2=8.34 but I got ...
November 29, 2014
Write a program that allows the user to input a total dollar amount for an online shopping order and computes and outputs the shipping cost based on the following schedule: Order Total Ship within USA Ship to Canada Less than $50.00 $6.00 $8.00 $50.01$100.00 $9.00 $12.00...
April 29, 2014
what are the institutions/community organization that are involved in supporting or giving redress to these disasters? And how are these organizations are involved in providing a safe and healthy environment?
April 21, 2013
Maphokwane high school
The area or environment will be totally uncivilized 2.poverty will take place 3.more members of the community will be lost due to lack of knowledge 4.crime rate will increase due to drop out teenagers i just don't understand the question
April 25, 2012
A cart loaded with bricks has a total mass of 27.7 kg and is pulled at constant speed by a rope. The rope is inclined at 23.7 ◦ above the horizontal and the cart moves 23.1 m on a horizontal ﬂoor. The coeﬃcient of kinetic friction between ground and cart is...
October 10, 2011
name two institutions/community organiszations that are involved in supporting or giving redress to this disasters(teenage pregnancy).explain how these organizations are involved in providing a safe and healthy enviroment.(suggestion:find out about ngo's or other ...
July 19, 2011
Concept Simulation 3.2 at reviews the concepts that are important in this problem. A golfer imparts a speed of 30.3 m/s to a ball, and it travels the maximum possible distance before landing on the green. The tee and the green are at the same elevation. (a) How much time does ...
May 8, 2011
5th grade math
i am a number greater than 40,000 and less than 60,000 my ones digit and tens digits are the same. my ten thousands digit is 1 less tha 3 times the sum of my ones digit and tens digit my thousands digit is half my hundred digit, and the sum of those two digit is 9
August 22, 2010
Suppose that a year later, NTT's common stock is selling for $75 per share. During the 1 year period, NTT paid a $4 common stock dividend. Determine the realized (ex-post) percentage holding period return on NTT common stock
August 11, 2008
please help me paraphrase
When April with his showers sweet with fruit The drought of March has pierced unto the root And bathed each vein with liquor that has power To generate therein and sire the flower; When Zephyr also has, with his sweet breath, Quickened again, in every holt and heath, The ...
October 25, 2006