Questions Asked on
February 15, 2014

Math: Probablity
A penny, a nickel, and a dime are flipped at the same time. Each coin can come out either heads (H) or tails (T). a. What name is given to the act of flipping the coins? b. There are eight elements in the sample space (i.e., HHH,THT, etc.). List all eight
asked by Anonymous 
Algebra
A square green rug has a blue square in the center.the side length of the blue square is x inches .the width of the green band that surrounds the blue square is 6 in.What is the area of the green band?
asked by Jeancarlos 
Physics
The gravitational force exerted on a baseball is 2.28 N down. A pitcher throws the ball horizontally with velocity 12.0 m/s by uniformly accelerating it along a straight horizontal line for a time interval of 177 ms. The ball starts from rest. (a) Through
asked by Joe 
Calculus
Line l is tangent to the graph of y= x  x²/500 at point Q & it crosses the yaxis at (0, 20) a). Find the xcoordinate of point Q b. Write an equation for line l c) Suppose the graph of y=xx^2/500, where x and y are measured in feet, represents a hill.
asked by Rachel 
chemistry
a 2.52g sample of a compound containing only carbon, hydrogen, nitrogen, oxygen, and sulfur was burned in excess O to yield 4.23 g of CO2 and 1.01 g of H2O as the only carbon and hydrogen containing products respectively. Another sample of the same
asked by Grace 
Calc
Let f be the function that contains the point (1,8) and satisfies the differential equation dy/dx=10/(x^2+1) (a) Write the equation of the tangent to f at x=1. (b) Use your equation in part a to estimate f(0). (c) We know that the integral from 1 to 0
asked by Anon 
Physics
You are on an airplane traveling 30° south of due west at 130 m/s with respect to the air. The air is moving with a speed 30 m/s with respect to the ground due north. One question.. 2) What is the heading of the plane with respect to the ground? (Let 0°
asked by Cam 
chemistry
you have two sample of mannitol .one melted between 168169 c and the other melted between 161168 .which sample has the greater purity? why?
asked by Abeer 
physics
A truck with 0.385 m radius tires travels at 44.5 m/s. At how many radians per second are the tires rotating?
asked by Anonymous 
physical
what is the size and direction of the final velocity of the two cars when a 0.4 kg toy train car moving forward at 3 m/s collides with and sticks to a 0.8 kg toy car that is traveling the opposite direction of 2 m/s
asked by crystal 
Probability
* I have a question. The sentence below says, "A PENNY, a NICKEL, and a DIME are flipped....." Does this go in order? That is,.....for example: (H,T,H)The first H is for PENNY, the T is for NICKEL, and the last H is for DIME? A penny, a nickel, and a dime
asked by Anonymous 
Calculus 3
If the curve of intersection of the parabolic cylinder y = x^2 and the top half of the ellipsoid x^2 + 5y^2 + 5z^2 = 25. Then find parametric equations for this curve.
asked by Lamar 
Physics
If a frictionless incline has a difference in height from one end to the other of 19.5 cm and has a length along the incline of 1.36 m, find the time it takes for a block of 1.1 kg, starting from rest, to slide down the ramp from the top to the bottom of
asked by name 
physical
a 50 kg object moving at 12 m/s has a momentum of 600 kg times g m/s . what is the mass of an object moving at 4 m/s that has the same momentum?
asked by crystal 
Chemistry 106 ch 11
Calculate the heat released when 73.5 g of steam at 122.0 C is converted to water at 39.0C. Assume that the specific heat of water is 4.184 J/g C, the specific heat of steam is 1.99 J/g C, and change in heat vap =40.79 kJ/mol for water.
asked by alex 
Chemistry
A piston is holding 125 mL of gases at a temperature of 300 K and a pressure of 2.39 atm. What is the volume of the gases if the temperature is increased to 500K and the pressure falls to 2.15 atm?
asked by JJ 
area and perimet
Farmer Brown has 700 yards of fencing with which to build a rectangular corral divided into two pens. He builds a corral that uses the river as one side so he only has to fence the other 3 sides and the divider down the middle
asked by Lyndsie 
PHYSICS
You shoot your potato gun horizontally from shoulder height, which is 190 cm. The potato lands 15 m away from you. You would like the potato to go 90 m, so you climb up a ladder and fire the gun horizontally from there. How high over the ground must the
asked by SHAWN 
decorative features
please check my answers to ics questions 04201800 1. In making a wool dress, a suitable finish for the neckline opening of the dress is a A. wrap and strap opening. C. bound opening. my answer is d B. continuous strip opening. D. facedslit opening. 2. In
asked by aduke 
Chemistry
If a sample of gas occupies 25.0 mL at 25°C and 650 mmHg, what is the volume at 25°C and 353 mmHg? (Could you please show me step by step?)
asked by John 
Chemistry
An aqueous salt solution has a freezing point of .5 degrees Celsius and causes neither swelling or shriveling of cells. The kf of water is 1.86 K kg/mol. What is the osmotic pressure that is exerted on cells when placed in pure water? (ignore differences
asked by Anonymous 
VOCABULARY
AFTER ANOTHER HOUR LUCY WALKED FROM HER SLEEP, FRESH AND BRIGHT AND SEEMINGLY NOT MUCH WHAT WORSE FOR HER TERRIBLE ORDEAL. AN ORDEAL IS A a. vision b. test c. mistake d. nightmare answer... d. nightmare
asked by cee 
RE: Physics
If an incline has a difference in height from one end to the other of 17.8 cm and has a length along the incline of 1.19 m, what is the angle that the incline makes with the horizontal reference surface? Physics  Damon, Saturday, February 15, 2014 at
asked by Christina 
Chemistry
Assume that some of the magnesium nitride is not completely converted to magnesium hydroxide and subsequently to magnesium oxide. Will your empirical formula be too high in magnesium or too high in oxygen? Please show any calculations you used to determine
asked by Liliah 
Physics
If an incline has a difference in height from one end to the other of 17.8 cm and has a length along the incline of 1.19 m, what is the angle that the incline makes with the horizontal reference surface?
asked by Christina 
Maths
Find the number of decibels of sound produced by a jet engine at a distance of 50 metres if the intensity is 10 watts per square metre. This time I'll post the given formula too. Sorry to leave it out before! The dB scale for measuring loudness, d, is
asked by Donna 
MATH
AN AP has 21 term the sum of 10 ,11,12 term is 129 and sum of last 3 term is 237.find AP
asked by RAUNAK 
English
Yes, I wrote the sentences incorrectly: Thank you He was seen to watch the TV He is still dependent on ... but independent of.... I was so angry WITH him FOR behaving like that in front of everyone. (about behaving would be a mistake?) The teacher was
asked by Frank 
physical science
A frog jumps at the angle of 60 degrees to horizontal with initial velocity of 10.0m/s 1. calculate velocity Voy of the frog 2 calculate acceleration ax of the frog
asked by lorrain 
Physics Total Mechanical Energy
What is the total mechanical energy of a 575 kg roller coaster that is at rest 50.0 m above the lowest point on the ride? The maximum possible speed of the roller coaster is 31.3 m/s. (do not include units in your answer)
asked by Lauryn Graves 
analytical chemistry
You are asked to make a 0.3M CaCl2 solution in a flask that can hold 200 ml. How would you do it?
asked by MJ 
algebra
You had 207.00,but spend 2.00each day which algebraic expression describes the situation,where d represents the number of days ? Answers are 207+d, 205d, 2+207d, 2072d
asked by molly 
Physics
A coin is dropped from a hotair balloon that is 325 m above the ground and rising at 12.5 m/s upward. For this problem use a coordinate system in which up is positive. Find the maximum height reached for the coin in meters
asked by Anonymous 
Physics
An 80 kg hiker climbs a 1000 m high hill at a constant speed. If the hiker's body is 25% efficient, how many kg of fat does the hiker burn in climbing the hill? Given: heat of reaction of body fat is 37000 kilo joules per kilogram. I know that change in
asked by Bobby 
math
use 3/8 of a thin of paint, what fraction of the paint is left in the thin (show work)
asked by sherm 
Math
Ned's Sheds purchase building materials from Timbertowm Lumber for $3,700 with terms of 4/15, n/30. The invoice is dated October 17. Ned's decides send in a $2,000 partial payment. Question 1: What is the net date? Question 2:If partial payment was sent by
asked by Kik 
college math
What is 6x to the third power plus 27x to the second power minus 15x
asked by sunshine 
Managerial Economics
Why the cost structure associated with many kinds of information goods and services might imply a market supplied by a small number of large firms.
asked by Rachael 
Editorial Evaluation (Writeacher)
What do you think? Does it require any improvements? What do you suggest? What I have been assigned: "[w]rite a 3paragraph editorial that tries to persuade students at the University of Georgia to accept AfricanAmerican students." What I have written:
asked by Anonymous 
business study,accounting,economics,mathematicaly
what job or carrer i can get when i am leaning this subjects?
asked by boikanyo 
Social Studies
laissezfaire and different political ideologies:conservative, liberal and socialist.
asked by Tommy 
math
contract the expression,use the property of logarithms to write each expression as a single logarithm with a coefficient of 1
asked by adrian 
Physics Help
A constant force of 100N , directed upward, is applied to a 5.0kg toy rocket by the rocket's engine. What is the rocket's acceleration? I used the equation a= F/m to get 20 m/s2 but it was wrong and I don't know where to go from here still?
asked by Eiban 
physics
What is the magnitude of electrostatic force that acts on each sphere?
asked by Anonymous 
Physics
4. A basketball is thrown from a height of 1.60(m), with an angle of 45o above the horizontal. (a) With what initial speed must the basketball be thrown so that it reaches the basket at the highest point of its trajectory? The basket is at a height of
asked by maria 
Maths
Find the number of decibels of sound produced by a jet engine at a distance of 50 metres if the intensity is 10 watts per square metre.
asked by Donna 
Chemistry
1) Calculate the energy. in joules, of a photon of wavelength 1.250x 10^3 nm 2) If 3.011x 10^23 molecules have a mass of 20.04 grams, what is the molar mass of the substance? Is it 40.07g/mol? 3) 47.5g of Boron contains __________ atoms of B? Is it
asked by Annabelle 
Math
A jet climbs at an angle of 26 degrees to the ground. The cruising height for the jet is 8000m, the climbing speed is 300km/hr and the cruising speed is 450km/hr. How far is it from the airport 5 minutes after taking off? Please explain thoroughly.
asked by Brenard 
Economics
C=15+0.50Y+0.0.5W I=100 W=1,200 Calculate the values of equilibrium Y,C,and S
asked by puddin 
physical science
A frog jumps at the angle of 60% to horizontal with initial velocity of 10.0m/s 1. calculate velocity Voy of the frog 2 calculate acceleration ax of the frog
asked by lorrain 
math
In the number 7,725 which places contain digits where one digit is ten times as great as the other ?
asked by terry 
Math help polynomial
multiply the following polynomial 3x(y^2+2y^2) answer choices 3xy^26xy^2' 3xy^2gxy^2 3xy^2+5y^2 9xy^2 The last one was the answer. Can you tell me how the answer was solved? Thanks!
asked by Alex 
Health
10. Which of the following sentences should not be used in "I" messages? (Choose 2) A) You make me feel humiliated when you criticize me. B)It's hard for me to think clearly when you are singing. C)I would like us to leave on time in the future. D)I do not
asked by Ryan 
statistics
Below are six data sets with 6 randomly selected scores in each data set. Your task is to determine if the scores were drawn from a population with μ = 5. Before you calculate the onesample t test for each sample, make a guess as to whether or not you
asked by Anonymous 
Language
Does anyone know any websites or iinfo about Jeremiah Jones? i have to write about him but i only found info about him on wkipedia. please help, thanks
asked by Epic 
Differential Equations, Matrices
Using the matrix [cosx sinx] [sinx cosx] rotate the parabola y=3x^2+2 by 45 degrees. State the equation of the rotated parabola and then state the coordinates of the rotated vertex and the points (1, 5) and (1, 5)
asked by Anne 
8th grade science
Explain how the sun's temperature will change over time as it ages.
asked by octavia 
Differential Equations
Solve dy/dx = y/(2yx) using rational substitution (using v=y/x) with the initial condition y(0)=1. I solved this problem and found C (the constant) to be undefined. That is not the correct answer.
asked by Liz 
algebra
You had 207.00,but 2.00each day which algebraic expression describes the situation where d represents the number of days. Answers are 207+2d, 205d, 2+207d,2072d
asked by molly 
Health/Writing
So I'm writing a story about a guy who gets brain tumor because of a car accident. I know it may be a stupid question, but how can someone retrieve tumor in such a situation? Or where can radiation, enough to give cancer, be found. Maybe a place or a truck
asked by Ella 
economics
what do I put for this question how could the following affect your company?I have a cleaning companychange in technology, government regulations the economy and industry please help thank you
asked by nicey 
Cary MS Math
How do you find the volume of a rectangular prism
asked by Lauren 
Math
Tenths Playground Fence painting Painter. Red posts. White posts. Blue posts Annie 7 2 1 Chun. 1 3 6 Felipe. 9 0 1 Hans. 1 8 1 Matt. 4 3 3 Nicole. 3 5 2 Write a fraction and decimal that matt painted red and white . The answer,, 1 4/10 and 0.4 3/10 and
asked by Nawaf 
English
Write the vocabulary word from the word box that matches each idea. Communicate  flick  alert signal  chatter  grooms. 1/.............to make neat and clean . Answer: grooms 2/............. to tell a person or animal something. Answer: communicate 3/
asked by NA 
Physics
The radius of the moon is approximately one quarter of the earth's radius,and its mass is on eightieth of the earth's mass.Calculate the weight of a man with a mass of 80KG on the surface of the moon
asked by Zanele 
Math
Working on patterns. There is a diagram. Its a rectangle with the numbers 10, 16, 23 in each corner. Inside the rectangle is a circle and inside the circle are the numbers 9, 12, 24. The directions say to place the numbers 8 to 26 either inside or outside
asked by Tien 
Math
What type of stores have a high markup with low volume? What type of stores have a low markup with high volume?
asked by Kik 
Physics
A constant force of 100N , directed upward, is applied to a 5.0kg toy rocket by the rocket's engine. Find the rockets acceleration? I thought it'd be as simple as F=ma to be 20 m/s2 but I was wrong. What am I overlooking?
asked by Eiban 
physical sciences
a small brick mass 700 g is projected vertically downwards at a velocity of 1,25(m/s) from the top of a building of height 25m.calculate the magnitude of the velocity at which the brick hits the ground?
asked by Anonymous 
physics
You are holding the neck of a champagne bottle at an elevation of 27 degrees when you pop the cork. The highest point in the cork's flight is 3.5 m above its initial height. What was the cork's initial speed? Use SI units in the second box.
asked by sean 
Physics
Your potato gun has a muzzle velocity of 34 m/s. You want to shoot a potato and have it strike the ground 2.4 seconds later. At what elevation do you have to fire the gun?
asked by Ryan 
Linear Algebra
Use the existence and uniqueness theorem to determine where solutions will exist and be unique for the differential equation: dy/dx=((2xy)^2)/(x^2y+2xy^2)
asked by Sharon 
math
I am helping my daughter and I need help on this question in the number 57,733 contains two sets of digits in which one digit is ten times as great as the other what are the values of the digits in each set help please!!!!
asked by terry 
Advanced Maths
A reservoir is fed by two pipes of different diameter. The pipe with the larger diameter takes three hours less than the smaller pipe to fill the reservoir. if both pipes are opened simultaneously, the reservoir can fill in two hours. Calculate how long it
asked by Michelle 
perimeter
A garden is in the shape of a rectange. One side of the garden has 20 ft ength the other has a length of x. You pan to build a sidewalk of wdth 4 ft to surrond the garde . The cost to dig and pour concrete is $88 per sq ft. Exoress the cost to buid the
asked by Lyndsie 
Social Studies
If you are a member in Liberal party, what would you say about the great depression in Canada, I mean your idea?
asked by Tommy 
Astronmy
How far in degrees will Mercury suppose to be from the Sun on February 5, 2014 and how did you determine it?
asked by Rashida 
analytical chemistry
How much NaOH (in grams) would there be in 0.25 litre of a 0.3M solution?
asked by MJ 
Astronomy
Why is it possible to see the planet Mercury at 6:45 pm on February 5, 2014.
asked by Rashida 
math
a seismograph 300 km from the epicenter of an earthquake recorded a maximum amplitude of 5.5 *10^2,find the earthquakes magnitude. round one decimal
asked by evelyn 
Just a question
What's a module?
asked by Anonymous 
Astronomy
What five object were found in the sky on February 5, 2014 at 9 pm.
asked by Ann 
Math Adding Fractions
2 and 1/5 + 7/5 + 5 and 1/2 Help asap
asked by Anny 
Math help
How would u solve these systems? 1. 2ab=1 a+3b=4 2. Yx=2 2x+y=8
asked by Anonymous 
Math fractions
sorry about the other one its a type its 2 and 1/5 + 7/3 + 5 and 1/2
asked by Anny 
MathAdding fractions
21/4  22/5
asked by Anny 
math adding fractions
I seriously need one more and I'm done :D 38/5  3 and 1/2
asked by Anny 
Trig
If f(x)=cos^2x and g(x)=sin^2x, what is (f+g)(pi/15)
asked by Cora 
rate of change
What's the avearage rate of change of f(x)=x^24x+7 on the interval 1
asked by Jayden 
English
What resource whether its online etc can LGBT community support, how can they get help? Thanks!
asked by Katie 
Math help
How would u solve this systems? 1. Yx=2 2x+y=8
asked by Anonymous 
precalculus
solve: 5 ^(x+2)  5^(x+1) = 5
asked by mann 
pre calculus
Slove: 2logbase5(x+2) = 2 + log base5(x2)
asked by mann 
PreCalc
How do I solve this equation? 4^x * (1/2)^32x = 8*(2^x)^2
asked by Kay. 
Algebra II
1. 4^x  3(4^x) = 8 I got where 4^x = 4 + square root (19), but I can't solve further. The answer is (log (4 + root (19)) ) / (log 4). 2. log (x^2) = (log x)^2 Solve for x Thanks!
asked by Serena 
ms240l
2x=18 y if y=kx where is the constant of prooortionality then what is the value of k?
asked by angel 
Music
What is dubstep?
asked by Anonymous 
Editorial Evaluation (Writeacher)
What do you think now? I tried to follow your advice as well as the instructions in the website link you provided for me. Correction: "As a student, why have you enrolled in the University of Georgia? What do you wish or intend to gain? You might answer by
asked by Anonymous 
chemistry
when does 4+4=9
asked by Anonymous 
PHYICS
a turn table is turing at a rate of 45 rad/sec and comes to rest after 5 second.how many rotation does it make before coming to rest?
asked by Pawan 
projectiles
a small brick mass 700 g is projected vertically downwards at a velocity of 1,25(m/s) from the top of a building of height 25m.calculate the magnitude of the velocity at which the brick hits the ground?
asked by Anonymous 
Science
These questions refer to tides. 1. Why are vertical clearances of bridges along navigable waterways given as heights in feet above mean(average) water height? 2. Why would knowledge of tides be of any importance in a military landing action?
asked by Anonymous 
economics
C=15+0.60+0.04W I=200 W=1,200 Calculate the value of the equilibrium
asked by puddin 
PHYICS
A car moving with constant speed in a circular path experience a centripetal acceleration if speed of car increases by three factors but the circular path remain same.What is the new centripetal acceleration in term of original ac?
asked by Pawan 
Math
Solve log(x4 power)=(logx) 3 power
asked by Praphulla 
Math
2 power4x1= 3 power1x
asked by Praphulla 
Intermediate Algebra
Graph the linear equation using the slope, and yintercept. y=5/6x4
asked by Student5