Questions Asked on
June 29, 2012

Physics
A motorist traveling with a constant speed of 15m/s passes a schoolcrossing corner, where the speed limit is 10m/s. Just as the motorist passes, a police officer on a motorcycle at the corner starts off in pursuit with constant acceleration of 3m/s^2.
asked by :) 
Chemistry
Calculate the molarity and normality of a solution containing 9.8 g of H2SO4 on 250 cm cube of the solutiom
asked by Shafket 
Physics
Two masses Ma= 2.0 and Mb= 5.0 are on inclines and are connected together by a string as shown in the figure(Figure 1) . The coefficient of kinetic friction between each mass and its incline is u= 0.30. If Ma moves up, and Mb moves down, determine their
asked by Truman 
pre cal
simplify sin (8x) using only sin(x) and cos (x)
asked by Terri 
Physics
A motorist traveling with a constant speed of 15m/s passes a schoolcrossing corner, where the speed limit is 10m/s. Just as the motorist passes, a police officer on a motorcycle at the corner starts off in pursuit with constant acceleration of 3m/s^2.
asked by :) 
geometry
Jackson is creating a water garden surrounded by a triangular patch of grass. If the pond will take up the space indicated by the circle, how many square feet of sod will he need to complete the garden (use 3.14 for and round your answer up to the next
asked by shanice 
Math
Find 9 tens more than 327508
asked by Anonymous 
trig
If tan A = 2 and A belongs to [pie,3pie/2] then the expression cos A divided by sin cubed A +cos cubed A is equal to what?
asked by susmita 
US government
Courts issued court orders, or (ijcti), to make sure that people of color were allowed to vote. what is this word ???
asked by Jessica 
Physics
A race car completes the final lap of a race on a 2kilometer circular track. At the start of the lap, it crosses the line at 60 meters/second. It completes the lap 28.57 seconds later, crossing the line at 85 meters/second. Calculate the displacement and
asked by Henry 
algebra/functions
a farmer has 600 meters of fencing and plans to use it to build two adjacent rectangular pens as show above. the farmer would like the total area of the two pens to be 1000 square meters. write an equation to determine the value of x? My solution is: 3X^2
asked by luckybee 
Physics
you measure the diameter of a circle then you calculate the radius of the circle using this diameter. (1) Which one has a greater uncertainty, the diameter or the radius? Why? you measure the radius of a circle then you calculate the diameter of the circle
asked by Denji 
Algebra
Another bank offers a different savings rate. If an account with $400 earns interest of $6, how much interest is earned by an account with $1800?
asked by Anonymous 
physics
An oil drop is stationary within an electric field of 490 V/m that is set up between two parallel plates. If the volume of the oil drop is 4 X 10 (19) m3, how many excess electrons does it carry? (I'll give ya'll just one hint: the fundamental unit of
asked by ALICIA 
maths
fractions in a school,3/5 of the students are girls, number of boys in the school is 200. find the total number of students in the school
asked by Anonymous 
Physics
Saturn makes one complete orbit of the Sun every 29.4 years. Calculate the radius of the orbit of Saturn. Hint: It is a very good approximation to assume this orbit is circular.
asked by Sierra 
english
Hi, I Proofread for wording errors and grammar, but I need help to see if my grammar is proper now. I personally respect every religion, and I love reading holy books. Holy books inspire many people. Holy books taught me many morals and stories on our
asked by z 
statistics
For the major airlines, 21% of all flights depart at least 15 minutes late with a standard deviation of 5%. Currently, 24% of all American Airlines flights depart at least 15 minutes late. If American wants to be in the top 10% of all major airlines with
asked by carolyn 
algebra
Andrea Betty Joyce Karen and Paula are starters on their school basketball team . How many different groups of three can be chosen for a photo?
asked by Anonymous 
algebra
Find the greatest common factor of 270 and 360. (Give the answer in the numerical form in the top box and in exponential form by filling in the boxes for exponents.)
asked by tyjia 
Chemistry
Calculate the volume at s.t.p. occupied by a gas 'Q' originally occupying 153.7cc at 287K and 750mm pressure [vapor pressure of gas 'Q'at 287K is 12mm of Hg]
asked by Mayank Goswami 
geometry
a packaging company manufactures a cardboard box with a volume of 864 cubic inches. the length of the box is 24 inches, and the ends of the box are square. what is the height of the box in inches?
asked by luckybee 
Middle Math
Cooking To make a batch of fruit punch, Larry needs 2 2/3 cups of blackberry juice. If she wants to make 2 3/4 batches of punch, how many cups of blackberry juice will she need. Thanks My answer is 7.3 or 8 cups of blackberry.
asked by Samie 
Physics
Suppose the circular track in the figure below has a radius of 104 m and the runner has a speed of 3.3 m/s.
asked by Sierra 
spanish
1.También tengo mi propio auto. 2. Me llamo Mario Verdejo. 3. Soy el mejor chofer de Santiago. 4. Mi nuevo cliente se llama Jaime Talavera y es de los Estados Unidos. 5.Mañana vamos al Valle de Maipo. can some one help me put this in order cant seem to
asked by CHRIS 
geometry
Xenia is ordering a cake for her friend’s wedding. She knows that there will be 110 guests at the wedding, and she is trying to decide how large a cake to order. She has been told that each guest should get a piece of cake that is 4 inches by 4 inches.
asked by shanice 
logic
a student is using a geometry program to investigate the midsegments of a triangle. the student uses the program to draw triangle ABC, bisect the sides of the triangle, and draw segments connecting the midpoints to form triangle KLM. the student then uses
asked by luckybee 
geometry
Given these sets a=(3,4,5,6,7) b=(6,7,8,9) c= (2,4,6,8) List the elements of this set CN (AUB)
asked by angela 
Human Resources
What do you think are three most prominent characteristics of a human service professional?
asked by Angie 
algebra/functions
Dave started his coin collection with 25 coins. the first wee he added 2 coins, the next week he added 4 coins, and the third wee he added 6 coins. If Dave continues adding coins in the same way, how many coins will he have in his collection after one year
asked by luckybee 
math
In my math book I got a question that said Keith plans on eating 1 1/4 cups of tuna per day for five days.How much tuna does he need?Are four cans enough. He needs 6.25 cans of tuna. Am I correct.
asked by Americal 
Physics
A stone of mass 0.31 kg is tied to a string of length 0.65 m and is swung in a horizontal circle with speed v. The string has a breakingpoint force of 70 N. What is the largest value v can have without the string breaking?
asked by Sierra 
MATHS
TWO OPPOSITE ANGLES OF A PARALLELOGRAM ARE (3X2)DEGREE AND (50X)DEGREE FIND THE MEASURE OF EACH ANGLES
asked by ASDFG 
senn high school
Please wite a paragraph (5sentences)to show you comprehend what analogies and idioms are.Use at least one analogy and one idiom in the paragraph?
asked by jacky 
Chemistry
How would you find that water is more acidic than ammonia with out using pka values? would you use resonance effect, inductive effect, hybridization effect, or element effect?
asked by UCI Student 
chemistry
detail how to dilute a stock solution of nitric acid, 81 m HNO3, to prepare 675 ml of a 2.5 M solution
asked by Jenny 
Science
1.The estimated doubling time for the black sea urchin population is approximately 1.5 years. What is the annual growth rate of the urchin? help please?
asked by Nina 
mathematics
use Simpson's Rule with n=10 to approximate the area of the surface obtained by rotating the curve about the xaxis. y = xln(x) from 1 < x < 2
asked by rohan 
system of equations
X^2 + Y^2 =70 Y = 2X + 5 MY ANSWER: 5.6, 1.6 is this correct?
asked by luckybee 
probability
a student rolls three standard sixsided dice. what is the probability that the sum of the numbers that come up will be 18? is the answer 1/216
asked by luckybee 
Physics
A Spanish galleon is about to be boarded by bloodthirsty pirates in the shallows of a Caribbean island. To save a box of treasure on board, the captain orders his crew to secretly toss the box overboard, planning to come back for it later. The rectangular
asked by angela 
Physics
In recent years, a number of nearby stars have been found to possess planets. Suppose, the orbital radius of such a planet is found to be 3.0 1011 m, with a period of 1000 days. Find the mass of the star.
asked by Sierra 
Physics
Eris, the largest dwarf planet known in the Solar System, has a radius R = 1200 km and an acceleration due to gravity on its surface of magnitude g = 0.77 m/s2. (a) Use these numbers to calculate the escape speed from the surface of Eris. (b) If an object
asked by James 
science
please give me 3 kinds of blood vessels
asked by leane hart garcia 
Physics
Speed of a satellite orbit (physics problem)? What is the speed of a satellite in a geosynchronous orbit about Earth? _________m/s Compare it with the speed of the Earth as it orbits the Sun. _________m/s
asked by Sierra 
Physics
which do you prefer to use, an instrument which is more precise or one which is more accurate? WHY? thanks po! :)
asked by Gen 
Physics
A Spanish galleon is about to be boarded by bloodthirsty pirates in the shallows of a Caribbean island. To save a box of treasure on board, the captain orders his crew to secretly toss the box overboard, planning to come back for it later. The rectangular
asked by Tracy 
physics
the jet has a speed of 250 miles/hr, carried a bomb of 20 kgs, im 3000 ft. how seconds the bomb fall in to 3000 ft?
asked by jade 
physics
the jet has a speed of 250 miles/hr, carried a bomb of 20 kgs, in 3000 ft. how seconds the bomb fall in to 3000 ft?
asked by jade 
geometry
Determine the following AU(CUB)start by finding C and B then find CUB.
asked by angela 
Physics
Suppose the circular track in the figure below has a radius of 104 m and the runner has a speed of 3.3 m/s.
asked by Sierra 
geometry
A manufacturer wants to package samples of a product in a box with a square base. the package is to have a volume of 100 cubic centimeters. what is the func that will describe the surface area of the box S(x) in ters of the length of a side of the base, X?
asked by luckybee 
science
what substance is being reduced in the following redox reaction? HgCl2 + Sn^2 = Sn^4 + Hg2Cl2 + Cl
asked by akos 
Maths
Reena draws a triangle with its sides are 3 cm and 5 cm. Is the triangle drawn by Reena a right angled triangle? Why?
asked by Nishant Nain 
math
How many ways can 8 cars be parked in two big spaces? Three cars can fit in one and two can fit in the other.
asked by Andy 
algebra
marcus rides his bicycle of 3 1/8 hour per day. what is the number of seconds that marcus spends riding his bike each day? My answer: 11,250 is this correct?
asked by luckybee 
math
In my math book i got a question that said 45 1/4 times 23 3/4 i got an answer of 16,652. I don't know how to do the problem can you help he
asked by Americal 
algebra
a tank used to operate equipment can be filled with air in 3 hours. when the outlet valve is open, the same tank can be emptied in 5 hours. if the tank is filled with the outlet valve open approximately how long will it take to fill the tank? 71/2 hours.
asked by luckybee 
STATISTICS
WHAT IS THE MEANING OF X~N(42,5,103.71)
asked by JUSTUS 
algebra/functions
a quadractic function y=3x^26x+5 is expressed in the form (yk)= A(xh)^2, where the poing (h,k) is the vertex of the parobla. What are the value of h and k? (1,2) is this correct?
asked by luckybee 
Physics
A Spanish galleon is about to be boarded by bloodthirsty pirates in the shallows of a Caribbean island. To save a box of treasure on board, the captain orders his crew to secretly toss the box overboard, planning to come back for it later. The rectangular
asked by Tracy 
Physics
Consider points on the Earth's surface as sketched in the figure below. Because of the Earth's rotation, these points undergo uniform circular motion. Compute the centripetal acceleration at the following points.
asked by Sierra 
Finance
a client comes to you for an investment advice on his 500,000 winnings from the lottery. he has been offered the following options. what would be the best option 6% compounded interest quarterly for 5 years or 8% compounded annually for 5 years or 14.5%
asked by Angel 
algebra
what is the graph of 6X^2+6X12>0? My solution is: an open circle over 2 going to infinite an open circle over +1 going to infinite is this correct?
asked by luckybee 
intermeidate algebra
solve using elimination method 3x+4y=1, 6x+6y=3
asked by Mary 
math
half of a strawberry crop was ruined by a sudden frost. About onequarter of the undamaged fruit spoiled while being hauled to market. How much of the original strawberry crop could the farmer sell at the produce market
asked by briyana 
Maths
45% is 28 100%=? Please show me the concept and the working out as well please
asked by Jiskhaa 
math
A 10item multiple choice test with 4 options (A,B,C,D) is given to a class in English, what is the probability that the student’s answers are of the same letters
asked by mae 
maths
if a bowling green is 1350meters square and the chemical is 0.4 litres a hectare how much do you put on
asked by edward 
government
1.what is the procedure of voter identification intended to help prevent fraudulent voting and keep the process organized? 2. what do you call all the persons entitled to vote in any given election? 3.what is another term for suffrage?
asked by victoria 
government
in 34 sentences, explain why is voting important in a democratic society.
asked by sydney 
History
What is the "Just War" Theory?
asked by Vanessa 
Pre cal
Sec^2x=2 With 10 different answers
asked by Terri 
Math
My class is mixing 3 1/5 batches of paint. If one batch calls for calls for 2 3/4 tablespoons of detergent to be added to the powder, how many tablespoons of detergent will my class need? My class will need about 8 3/4 tablespoons of detergent. Is this
asked by Americal 
chemistry
How Many H bonds in Oblate Polyhedra?
asked by Jenna 
algebra1
subtract: 7z/z5  4z9/5z
asked by jimmy 
health
when comparing the daily requirement for vitamains and minerals across all lifestage group,it can be said that.
asked by carol 
trig
a circular chimney pipe with an 8inch diameter passes vertically from a heater through a metal plate in the roof. the plate has an elliptical hole that measures 8 inches along one axis. if the roof is slanted at an angel of 40 degrees with the horizontal,
asked by luckybee 
algebra
a passenger train traveling at 50 mph leaves the station 6 hours after a freight train and ovetakes it in 4 hours . How fast is the freight train traveling ?
asked by naaman 
Finance
The target capital structure for QM Industries is 38% common stock, 5% preferred stock, and 57% debt. If the cost of common equity for the firm is 17.7%, the cost of preferred stock is 10.4%, the beforetax cost of debt is 7.8%, and the firm's tax rate is
asked by Janice 
trig
using a right triangle with one angle 24 degrees and the opposite side being 57 feet, write an expression to fine the hypotenuse, X? X=57/sin(24) is this correct?
asked by luckybee 
trig
the horizontal speed of an airplane is 173 miles per hour. the magnitude of the planes velocity is 200 miles per hour. what angle is the plane climbing? My answer is Cos1 173/200. is this correct
asked by luckybee 
Health
How many calories do you lose if you drink a glass of water????
asked by Laruen 
logic
1+3=4=2^2 1+3+5=9=3^2 1+3+5+7=16=4^2 is this an example of inductive or deductive reasoning. I believe it is deductive because it's proven
asked by luckybee 
math
Ms.sue i forgot to tell you that 4 cans of tuna = 5 3/5 cups. Is 6.25 cups correct.THANKS
asked by Americal 
science
how do inference help scientist in their discoveries?
asked by thessalonica