Questions Asked on
July 19, 2015

math
if tan=15/8 and cos negative then what is the value of [sin(a)cosa]/[tan(a)+sec(a)]
asked by Anwar 
Math
Farmer Brown planted corn and wheat on his 1200 acres of land. The cost of planting and harvesting corn is $275.00 per acre. The cost of planting and harvesting wheat is $125.00 per acre. If Farmer Brown's total cost was $244,500, how many acres of corn
asked by Janice 
physics(kinematics)
The acceleration of a particle is defined by the relation a=8m/s2. Knowing that x=20m when t=4 and that x=4m when v=16m/s. Determine. A)the time when the velocity is zero. B)the velocity and total distance traveled when t=11s.
asked by ben 
english
Select the choice which best identifies the given passage from "The Cask of Amontillado." "I forced the last stone into its position; I plastered it up. Against the new masonry I reerected the old rampart of bones. For the half of a century no mortal has
asked by Anonymous 
maaaath
on selling 250 apples , a man loses the selling price of 10 apples . find the loss % . had he purchased them for rs 650 , what would have been the selling price of one apple ?
asked by rupali 
accounting
If fixed costs are $700,000 and the unit contribution margin is $17, what amount of units must be sold in order to realize an operating income of $100,000?
asked by chrissi 
Thokozwayo secondary school
English is the language of opportunities why bother teaching indigenous languages?
asked by Minnih 
Math (Finite)
In how many ways can a committee of 7 people be chosen from 15 married couples if 2 couples must be on the committee?
asked by Stephanie 
Geometry
The volume of a rectangular prism is 960 cubic inches. If the dimensions of the base are doubled and the height remains the same to create a new prism, what will be the volume of the new rectangular prism in cubic inches?
asked by Jeffrey 
college chem
Calculate the molarity of the solution: 42.6 g NaCl in 1.58 L
asked by tonia 
Finance
Brand advertising is offered a 3/10 net 40 trade discount by its supplier. In the past Brand has been able to get away with paying for supplies on credit in 60days. since it doesnt have money on hand to take advantage of discount, it tries to negotiate a
asked by Donna Claire 
math
A model rocket is launched off the top of a table. The height of the rocket is given by the function, h(t) =  4.9t2 + 9.5t + 1.2 where h(t) is the height in metres and t is the time in seconds. How long will it take for the rocket to reach the ground?
asked by algebra hard 
physics
a gas is filled in a vessel at 27 degree Celsius. to what temp should it be heated so that it 1/3rd of of the gas escapes out of the vessel? my attempt to solve; i tried applying charles law. so, V1/V2= T1/T2. V2= V1+V1/3= 4V1/3 hence, applying charles law
asked by saumya 
blue bells model school
Science physics A ball A moving with kinetic energy E makes a head on elastic collision with a stationary ball with mass n times that as A . What is the potential enery stored during collision ?
asked by kanika 
Vukile high school
1.what are welfare payments or consumer payments 2.what is the south african government providing and to whom? 3.what are the costs and cosequences of providing the subsidies and welfare? 4.are there any welfare or subsidy payments that should be reviewed
asked by Zakithi 
life orientation
Evaluate the extent to which the service delivery protest you have described did met or did not meet the requirements of processes that you have researched about the high bills of water and electricity
asked by khomotjo 
physics
doing webwork when i came across this question. sure i had it right but apparently im not. The weightless horizontal bar in the figure below is in equilibrium. Scale B reads 4.20 kg (N.B. as you know, the scale should read N, but no one told the
asked by sam 
Math
A landscaper is drawing a scale model of a garden. The scale is that one half double prime 1 2 on the plan represents 1 foot in the garden. If a flower bed is 5 prime 9 double prime59 long, how long will it be on the plans?
asked by Peewee 
Physics
A bridge is 200 m long. A car weighing 2.5 metric tons is 50 m from one end of the bridge and a trucj weighing 6 metric tons is 80 m from the other end. The bridge is uniformly paved and weighs 20 metric tons. How much force does the vertical support at
asked by Julie 
Business Stats
The average life expectancy of Canadian women is 75 years, and is normally distributed. The standard deviation is known to be 7 years. If a random sample od 49 women is taken, what is the probability that the average age of the sample of women is: Between
asked by Anonymous 
calculus
Sketch the region in the first quadrant enclosed by y=6/x, y=2x, and y=.5x. Decide whether to integrate with respect to x or y. Then find the area of the region. need final area as answer please, and step would be helpful also if you can post.
asked by Nick 
geography 10th grade
Major sources of income for the Mexican economy include all of the following except; a. agriculture. b. tourism. c.the technology industry. d.petroleum extraction
asked by Gisselle 
science
The focal length of a concave mirror, that produces four times larger real image of an object placed at 5 cm distance from the mirror, is
asked by sanjay 
Managerial Finance II
Ten rights are necessary to purchase one share of Fogel stock at $54. A right sells for a $6. The exrights value of Fogel stock is...?
asked by Donna 
Physics
The ends of a rope are tied to two hooks on a ceiling. A set of books weighing 36.0 N is tied and hung on the rope so that the segments of the rope make angles of 35 degrees and 50 degrees respectively with the horizontal. Compute for the tension on each
asked by Julie 
math
If an equithagorean triangle is an equilateral triangle in which the sum of the cubes of two sides is equal to the square of the third side, what is the perimeter of an equithagorean triangle? A. 0.5 B. 1.5 C. 4.5 D. 6
asked by Larry 
Nutrition
Cholesterol: a) can be converted to vitamin D. b) can be found in all foods. c) contains glycerol and 3 fatty acids. d) acts as an emulsifier. I believe it is D
asked by khalilah 
life science
what features do African ape share with humans
asked by xonolo 
History
What was the purpose of account of the Maccabean Revolt? Who was the intended audience?
asked by Matt 
Math
In the average ball game, the sum of the scores of both teams is 4545, with a standard deviation of 55. If the score of a game resulted in a zscore of 1.801.80 and the winning team had a score of 3333, what was the other team's score?
asked by Peewee 
Physics
A 30N nonuniform pole, 5m long, was used to carry a load of 400 N by two men. The load was hung at the middle of the pole. Find the center of gravity of the pole if the force exerted by each man on each end were 220 N and 210 N respectively.
asked by Julie 
nutrition
Which statement is correct: a) The total grams of fat in the American diet has stayed relatively constant over the past 40 years. b) The total grams of fat in the American diet has decreased over the past 40 years. c) The total grams of fat in the American
asked by khalilah 
Physics
A borad, 3m long, is hinged at point a and is supported by a vertical rope at point b, 2m from a. A boy weighing 200 N stands at the end of the board at point c. Neglecting the weight of the board, calculate the force on the rope.
asked by Julie 
math
Determine the trigonometric functions (sin θ, cos θ, tan θ ) of the angles (in standard positive) whose terminal side passes through the given point (x, y)=(1.2, 0.5). Give answers in exact form.
asked by ashmita 
Science Thermochemistry
How much heat would be liberated by the combustion of 2.5 moles of C. Delta Hc C=94600 cal
asked by Bryan Molina 
French
Remplissez les tirets avec la bonne forme de "lequel" If my answers are correct. 1) C'est un travail a propos(de) duquel nous ne sommes pas d'accord. 2) Les bureaux auxquels j'ai envoye (a) une demande d'emploi ne m'a pas repondu 3) Il y a un professeur
asked by Anonymous 
Physics
A weight of 340 N is suspended from a pole by means of a rod 4m long and a rope tied to one end 3m above. Find the tension on the rope the force of the rod.
asked by Julie 
Physics
A uniform rod 1.2 m long has weight of 1000 dynes and 2000 dynes at its ends. At what point on the rod can it be balanced horizontally if the rod weighs 2500 dynes?
asked by Julie 
Criminal Justice/Terrorism
Many assessments are based on partially understood problems or partially understood technologies, and seldom reflect a true __________ approach. A. commonsense B. intelligent C. system D. logical I think it's D, but not sure
asked by Pat 
science, chemistry
"You run out of brown sugar and decide to use only granulated sugar instead. The cookies come out much thinner than usual. Design a controlled experiment to test your hypothesis *, describing how you would interpret your results. Please limit your response
asked by llau 
math
A baseball pitcher can throw a base ball at 150 ft/s. Can this pitcher hit the 200ft ceiling of its game dome, if he was capable of giving a baseball an upward velocity of 85 ft/s, from a height of 7 ft? (Assume the ball is traveling as a freefalling
asked by Josh 
maths
for what value of k the expression kyxÂ²+(k+1)x+2will be a prefect square of a linear square
asked by mann 
bcm
if one of the two complementary angles is 20 degree larger than 4 times the other, find the arngles.
asked by prabhpreet 
Economics
Are there any welfare or subsidy payments that should be reviewed?
asked by Malibongwe 
science
You run out of brown sugar and decide to use 1.5 cups granulated sugar instead. The cookies come out much thinner than usual. Design a controlled experiment to test your hypothesis, describing how you would interpret your results. Please limit your
asked by llau 
Organic Chemistry
Consider the weak organic base npropylamine. The Kb value for this base is 1.310^5, and its pKa is 10.6. At what pH are the "proton on" and "proton off" forms present in equal concentrations? At what pH values would the "proton on" form have the higher
asked by Lily 
Ashford University
Find the missing numbers. cost selling price $175.00 mark on selling price markup rate 50% mark amount=
asked by patricia 
organic chemistry
How will i know if the r group's common name is tertpentyl or secpenytl? What is the difference between sec and tert?
asked by Anonymous 
General Question
I need help. I tried searching on google but there isn't any solutions. How can I get rid of a bright pink pen mark on my white backpack? Also since the backpack is white, there are some dirt stains on it? What should I do?
asked by tanny 
MATH
48+(2)3 but the 3 is an exponent
asked by MED 
organic chemistry
what is the principle involved in the detection of phosphorus? the visible result of it is canary yellow
asked by Anonymous 
design curriculum
why is it logical to write test items or assessments before producing instructional strategies
asked by Jourdan