Questions Asked on
July 6, 2013

math
Show that the minute hand of a watch gains 5 degree and 30' on the hour hand in a minute
asked by gagan 
Chemistry
What would be the pH of a 0.1 M aqueous solution of the phenolate ion, C6H5O–? (Ka for phenol, C6H5OH, is 1.3 x 10–10) I got the answer 5.44 but I think it's wrong. Do I have to subtract it from 14?
asked by Nat 
physic
Consider a train that rounds a curve with a radius of 570m at a speed of 160 km/h (approximately 100 mi/h)Calculate the friction force needed on a train passenger of mass 75kg if the track is not banked and the train does not tilt.
asked by mert 
algebra
The U.S. Weather Service reports that in a certain northern city it rains 35 days and snows 40 days in the winter. However, it rains and snows on only 10 of those days. Based on this information, what is the probability that it will rain or snow in that
asked by Anonymous 
Medical Coding and Billing
This is a 35yearold HIVpositive male with progressive lymphadenopathy and unexplained fevers, night sweats, and chills. CT scan of the chest, abdomen, pelvis, and neck showed extensive lymphadenopathy involving mediastinum and left hilum, paratracheal
asked by Tashara 
probability
For a family with 2 children, the sample space indicating boy (B) or girl (G) is BB, BG, GB, and GG. If each of the outcomes is equally likely, find the probability that the family has 2 girls, given that the first child is a girl.
asked by sarah 
math
From a bag of peanuts, phillip took 1/3, then joy took 1/4 of the remaining, brent took 1/2 of the remaining, and preston took 10. There were 71 peanuts remaining....how many were there to start?
asked by jen 
ChM
Calculate the pressure exerted by 1.2 mol of gas in a volume of 28.2 L and at a temperature of 61 C.
asked by Anonymous 
physic
A stone is dropped from the roof of a high building. A second stone is dropped 1.00s laterHow far apart are the stones when the second one has reached a speed of 12.0m/s ?
asked by cuzer 
economy
consider a perfectly competitive market in which all firms have the same costs. choose the statement that is incorrect a)the market demand is elastic at the market price b)each firm takes the market price as given and produces its profit maximizing output
asked by bryan thomas 
algebra2
a company has estimated that the probabilities of success for 3 products introduced in the market are 1/5,2/3, and 1/2, respectively. Assuming independence, find the probability that exactly 1 product is successful.
asked by glenda 
statistics
According to the local real estate board, the average number of days that homes stay on the market before selling is 78.4 with a standard deviation equal to 11 days. A prospective seller selected a random sample of 36 homes from the multiple listing
asked by Anonymous 
word problem
a farmer has 800 yards of fencing to enclose a rectangular pasture. Since one side of the pasture boarders a river that side does not need to be fenced. if the side perpendicular to the river must be twice as long as the side parallel to the river, what
asked by Anonymous 
math
A traffic light follows the pattern green, yellow, red for 55, 5, and 20 seconds, respectively. What is the probability that the driver approaching this light will find it green or yellow?
asked by Anonymous 
Business Math
Ignacio obtains a loan of $9,500, at 8.75% interest, for months. Find the amount of simple interest. (Round to the nearest cent) $598.78 $658.07 $701.36 $825.55 The answer I got was $658.07, is that right?
asked by Tee 
physic
An unmarked police car traveling a constant 95km/h is passed by a speeder. Precisely 2.00s after the speeder passes, the police officer steps on the acceleratorIf the police car accelerates uniformly at 3.00m/s2 and overtakes the speeder after accelerating
asked by mucray 
physical science
a string 0.5 m long is used to whirl a 1 kg stone in a horiziontal circle at a uniform velocity of 5m/s what is the tension on the string?
asked by minnie 
physic
If a curve with a radius of 80m is properly banked for a car traveling 63km/h , what must be the coefficient of static friction for a car not to skid when traveling at 97km/h ?
asked by fermona 
Government
People who believe voting is important have high political cc. What's the missing word? Thanks.
asked by Caleb 
english composition
please help me to create division and classification prewriting essay.
asked by maria 
Help please criminal j.
1. In re Gault assured juveniles a. the right to a jury trial b. all the above c. due process in the legal system d. the right to be tried as an adult All the above 2. Obtaining a confession by__ is constitution a. misrepresentations b.
asked by Robby 
MATH
4. The population of a small town is modelled by the function p(t)= 20(4t+3)/2t+5 , where P(t) is the population, in thousands, and t is time, in years, since the start of 1990. a) Is the population currently increasing or decreasing? Justify your answer.
asked by FUNCTIONS 
Trigonometry
While camping by the Merced River in Yosemite Valley, a group of friends were admiring a particular tree on the opposite bank. Maria claimed that the height of the tree could be determined from the group’s side of the river by the following method: •
asked by Loki 
US Government
Any person currently in i cannot vote. What is the blank word? Thanks.
asked by Caleb 
math
a number consists of two digit whose sum is 9 .if 9 is subtracted from the number the digits interchange their places.find the number
asked by sherya 
math
I'm confused on how to do this. algebra M(X,Y) is midpoint of CD with endpoints C(5,9) and D(17,29). Find the values of X and Y. Show the MC = MD.
asked by Ronnie 
trig
A turntable in a shop makes 36 revolutions per minute. How many revolutions does it make per second? My answer is 216 revolutions per second. Am I right? Thanks.
asked by Perrie 
math
Mr.Foote placed a cement walk along the side of his house.The walk is 18 inches wide and 32 feet long. What was the cost of the walk at $2.10 a square foot?
asked by peter 
math
How do you do this? AB has endpoints A(3,2) B(3, 2) Find the coordinates of the midpoint of AB. Find AB to the nearest tenth.
asked by Ronnie 
Chemistry
27. 0 mL of 1.00 M HClO4 are mixed with 27.0 mL of 1.00 M LiOH in a coffee cup calorimeter. The calorimeter constant is 28.1 J/Celsius. Both were initialized at 23.31 degrees Celsius. Calculate change Hrxn (in kJ/mol) for the reaction.
asked by Angela 
Math
AB has endpoints A(3,2) and B (3,2) Find the coordinates of the midpoint of AB Find AB to the nearest tenth.
asked by Ronnie 
Algebra
A piggy bank with only pennies and nickels has 28 nickels for every 52 pennies. What percent of the coins are nickels? solve this problem using a. bar diagram b. percent equation
asked by Tonya 
algebra
The U.S. Weather Service reports that in a certain northern city it rains 35 days and snows 40 days in the winter. However, it rains and snows on only 10 of those days. Based on this information, what is the probability that it will rain or snow in that
asked by Anonymous 
math  help please
Assume that 2 cards are drawn in succession and without replacement from a standard deck of 52 cards. Find the probability that the following occurs: the second card is a 9, given that the first card was a 9.
asked by sarah 
Physics
a circular hoop of mass and radius spins like a wheel rotating about its centre with moment of inertia. its period it T (1) find the kinetic energy in terms of the given parameters 2. if such a hoop rolls with its centre moving at velocity v show that it
asked by SING 
algebra1 HELP PLEASE
Solve the inequality. Round your answer to the nearest tenth. x2 + 5⋅x  7 > 5
asked by lisa 
Government
The first American voters were only white, male s. What is the blank word?
asked by Caleb 
physics
A 4 g bullet leaves the muzzle of a riffle with a speed of 350 m s1. What force is exerted on the bullet when it is travelling down the 0.85 m long barrel of the rifle?
asked by haziq 
math
A home was valued at &73,500. It was insured for 80% of its value at a premium of &0.40 per $100. Find the yearly premium.
asked by john 
business math
13. Bob and Joy Salkind want to save $50,000 in 5 ½ years for home improvement projects. If the Bank of Aventura is paying 8% interest compounded quarterly, how much must the couple deposit now to have the money for the projects?
asked by Anonymous 
chemistry
same masses of different metal carbonates are fully decomposed. why is the volume of carbon dioxide different for each metal carbonate?
asked by lolly 
physics
a circular hoop of mass and radius spins like a wheel rotating about its centre with moment of inertia. its period it T (1) find the kinetic energy in terms of the given parameters 2. if such a hoop rolls with its centre moving at velocity v show that it
asked by SING 
math
Bob and Joy Salkind want to save $50,000 in 5 ½ years for home improvement projects. If the Bank of Aventura is paying 8% interest compounded quarterly, how much must the couple deposit now to have the money for the projects
asked by kake 
math
What is the present value of $73,000 in 11 years if the interest rate is 8% compounded semiannually?
asked by dana 
physics
A pendulum bob swinging at a velocity of 10 m/sec would rise how high from its lowest point of its swing
asked by justin 
Calculus
Find a general solution to each first ¨C degree ordinary differential equation. If an initial condition is given, find the corresponding particular solution. Write solution explicitly if possible. dx/dt=¡Ì(x+t+1)
asked by Elyse 
CHM
A sample of gas has an initial volume of 2.4 L at a pressure of 855 mm Hg and a temperature of 298K. If the gas is heated to a temperature of 387 K and expanded to a volume of 4.1 L, what is its final pressure in mm of mercury?
asked by A 
French
Hi guys cud anyone help me?? I need a simple letter in french, describing the new apartment I have moved in, to my friend. Its pretty urgent guys....Thanks in advance
asked by Ibbotson99 
trigonometry
Through how many degrees does the minute hand of a clock moves in 5 minutes? In 1 1/2 hours?
asked by Perrie 
Math
Two angles are complimentary. One of the angles is r. How do you express the other angle?
asked by Anonymous 
Math
A gas station is giving away free glasses with 5 different designs. What is the probability of collecting all 5 in 15 visits to the gas station?
asked by Anonymous 
phy
(Q1)A 40N force applied at an angle of 37c above the horizontal pulls a 5kg box on a horizontal floor. The acceleration of the box is 3m/s2,How large a frctional force must be retarding the motion of the box. (a)50 N(b)13N(c)17N(d)25N (Q2) A block of mass
asked by ikye 
physics
a circular hoop of mass and radius spins like a wheel rotating about its centre with moment of inertia. its period it T (1) find the kinetic energy in terms of the given parameters 2. if such a hoop rolls with its centre moving at velocity v show that it
asked by SING 
CHM
A mixture of three gases exert a total pressure of 753 mm Hg.If Gas #1 has a partial pressure of 289 mm Hg and Gas #2 has a partial pressure of 122 mm Hg, what must the partial pressure be of gas #3?
asked by Anonymous 
Math
A box contains 4 tickets letter O, A, G, C. Two tickets will randomly be selected without replacement. What is the probability of selecting O then A in that order?
asked by Anonymous 
Physics
A block weighing 6.2 N requires a force of 2.2 N to push it along at constant velocity. What is the cooefficient of friction for the surface? Plsssss help asap..
asked by Nia 
math
Mr.Evans paid &10.60 each for a shipment of 72 shirts. He sold the shirts for $14.20 each.What was his total profit on the shipment?
asked by johnny 
Algebra 2
A gas station is giving away free glasses with 5 different designs. What is the probability of collecting all 5 in 15 visits to the gas station?
asked by Anonymous 
math
A box contains 4 tickets letter O, A, G, C. Two tickets will randomly be selected without replacement. What is the probability of selecting O then A in that order?
asked by Anonymous 
intermediate algebra
Hello, I am so stuck...I even watched two hours of videos, but it didn't really help me:( I am working on these kinds of problems... 3x4+5>32 And...as part of our homework, we have to enter it on the computer in interval notation. So I know that I solve
asked by Tina 
math
solve In(4x)=Ig 3 x Ig 5
asked by Anonymous 
Physics
A capacitor has stored energy U. If the voltage and plate separation are both doubled, the new stored energy is ____. Answer 2U a) 2U b) U/2 c) U d)4U
asked by Anonymous 
trig
Through how many degrees does the minute hand of a clock moves in 5 minutes? In 1 1/2 hours?
asked by Perrie 
algebra
what will be the values for the following? 1. 4^1/2 (4 raised to 1/2) 2. 4^1/2 (4 raised to 1/2) For number 1, my answer is 2. I hope I am right. For number 2, I don't have an answer yet.
asked by Perrie 
algebra1please look over THANK YOU
The point (2, 15) is in the shaded region of which of the following inequalities? A) y2x^24x (slash under the >) C) Y2x^2+3x+1 i got B. :)
asked by lisa 
algebra 1 please help
Solve the inequality. Round your answer to the nearest tenth. x2 + 5⋅x  7 > 5
asked by lisa 
Math
what is the area of the right triangle formed by halving a square with perimeter 36 along its diagonal? a) 9 b) 18 c) 18+ 9 square root 2 d) 40.5 e) 81
asked by Kellin 
physics
two ropes are tied on a post and applied with forces of 8 and ion.If the amgle between them is 60degrees. Find the resultant vector
asked by rex 
algebra1please look over THANK YOU
Write the number in the form a + bi: square root 9 + 16 i got 16 +3i is that right
asked by lisa 
algebra1please look over THANK YOU
Simplify the expression. (4*i)(4*i) I got 16 is that right
asked by lisa 
Algebra 1A
I am trying to simplify the factors 7/6 in the problem 7k^7 m^7/ 6k^8 m^9. What is the correct answer? So far I have 7/6km^2 my only problem tends to be simplifying 7/6km^2
asked by Kim 
Algebra 2
Please help... The answer key says that the answer is 0.84...I want to understand how... Bobursley, the way you do it is incorrect... A gas station is giving away free glasses with 5 different designs. What is the probability of collecting all 5 in 15
asked by Anonymous 
Creative Writing
Is it really wrong to write dialogue like this: ["Hey," I said, patting her on the head.] I read somewhere that you're not technically supposed to add an action like that with a speech verb.
asked by Me 
math
there are 6 white balls and 4 black balls.i takeout 2 balls at random,one at a time,without replacement.What is the probability that the second ball i take is black
asked by sarah 
plls help maaath
f(x)=x ^2 +bx+c , b and c real .Find the minimum of (maxf(x))for x∈[−10,10]?
asked by lin 
physics
find the equilibrium of two is N forces acting upon a body,when the angle betweenthem is a)90degrees b)120degrees c)180degrees d)10degrees e)45degrees
asked by rd 
heeeeeeelp math
f(x)=x ^2 +bx+c , b and c real .Find the minimum of (maxf(x))for x∈[−10,10]?
asked by lin 
Healthcare Finance
accounting practices within health care organization
asked by Priya 
algebra1 HELP PLEASE
Simplify the expression: (2 + 6⋅i)(1 + 6⋅i)
asked by lisa 
College Algebra
1 1 1 1 2 0 1 3 7 0 3 0 2 2 10 6 2 4 5 9 3Row1 + Row3 6Row1 + Row4 How do I work this using a calculator I get so confused and I don't know where to go in order to input info.
asked by Julie 
science
how much work done if lina lift a package that weight 5.5 to a height of 0.5 m?
asked by Anonymous 
Math
Hi, I tried this problem different ways, but keep getting it wrong.I am rusty, and need a demonstration of how to do it, thanks! 2x+6.7x6
asked by Tina 
MATH
It's me again, I didn't have the sign after the 6. It was suppose to look like this. 2x+6>7x6 I just need a demonstration on how to do it, I am rusty! Thanks, Tina
asked by Tina 
MATH
f(x)=x^2/(x2)^3 is this function odd even or neither?
asked by FUNCTIONS