Friday
December 2, 2016

Posts by ANONYMOUS

Total # Posts: 102,963

Algebra
A plane is 300 miles west of city A and is flying west at 400 miles per hours. How long will it take for the plane to be 1800 miles west of city A
November 8, 2016

Algrebra, Graphs, Math
How do I sketch my graph of X+Y=3? Please help! I don't understand. Do I need to solve this like the rest of my previous graphs if so, then how? Please Help!
November 7, 2016

Science
what are the possible circuits? there are none?
November 7, 2016

math
Sara has some fish, 2 birds, and 5 hamsters. She has 6 fewer hamsters than fish. How many fish does she have?
November 7, 2016

Chem
Which particle is larger in radius? As-3 or As
November 7, 2016

Music
what instrument do you play?
November 7, 2016

Music
How would you put that in music notes like would it be E, D, D
November 7, 2016

Music
Thank you
November 7, 2016

Music
You will compose a short piece of music using what you have learned in Units 1 and 2. Use the following guidelines for your composition: Your composition should be at least eight measures in length. Your composition should have a key signature. Your composition should have a ...
November 7, 2016

science
What happens to kinetic energy of a snowball as it rolls across the lawn and gains mass
November 7, 2016

Math
Mr. Thompson cut the grass on the golf course in 1.683 minutes. How many hours did it take to cut the grass? Write the answer as a mixed number.
November 7, 2016

Math
Write an expression for the calculation 3 added to 6 times 4 plus 3
November 7, 2016

Finance
When Steve and Roslyn retire together they wish to receive $40,000 additional income (in the equivalent of today’s dollars) at the beginning of each year. They assume inflation will be 4% and they expect to realize an after tax return of 8%. Based on life expectancies, ...
November 7, 2016

Physics
An object initially rotating at an angular speed of 1.6 rad/sec turns through 30 revolutions during the time it experienced an angular acceleration of 0.32 rad/s^2. a) For how much time did the acceleration last? b) What was the final angular speed?
November 7, 2016

Physics
What is the angular speed of the earth as it orbits the sun a) in radians/second? b) in degrees per day?
November 7, 2016

Math
Mr Howard is laying sod down in the his yard to create a new lawn. Each piece is 1 foot by 1 foot. How many pieces will Mr. Howard need if his yard measures 30 feet by 25 feet?
November 7, 2016

Math 062
When you buy 50 gallons of gas for your truck and the tank holds 25 gallons.The proportion set up would be 1/50=25/x,what does x represent?
November 7, 2016

maths help steve&reiny
x^2+y^2=97 sqrt(x)-sqrt(y)=1 step
November 7, 2016

science
acrostic about motion
November 7, 2016

chemistry
A 9.35 gram of ring with it's volume of 0.654 cm3 is an alloy of gold and with density of gold and silver respectively 19.3 g/cm3 and 10.5 g/cm3 assume there is no change in volume when pure metals are mixed. calculate volume of gold?
November 7, 2016

maths
3/10 add 2/5
November 7, 2016

maths
theres no reaction
November 7, 2016

english
fill in the blank. Big snapping turtles don't get to weigh so much without eating a lot of food. Here's how they do it: Most snapping turtles float, or lie motionless on the bottom of a pond or river. a fish, frog, or other prey swims close enough, the turtle snaps ...
November 7, 2016

finance
Tyrone, age 25, expects to retire at age 60. He expects to live until age 90. He anticipates needing $45,000 per year in today’s dollars during retirement. Tyrone can earn a 12% rate of return and he expects inflation to be 4%. How much must Tyrone save, at the beginning ...
November 7, 2016

trig help
simplify cosec40(sin40+sin80+cos120) help step
November 7, 2016

trig help
simplify cosec40(sin40+sin80+cos120) help step
November 7, 2016

American Government
so what are the answers?
November 7, 2016

Unit 4 Lesson 5: Cool Crafts Portfolio
Choose a room you'd like to decorate: *I chose my bedroom* Measure the length of one wall in inches: 72in. 2. Choose a size of paper to use. *I recommend the standard 8.5in by 11in paper* Then fold it diagonally and cut it to make a square. *Once you cut off the bottom ...
November 7, 2016

quantitative methods
Yes I got it my answer thank you ...bobpursley
November 7, 2016

geography
hair, car, there is hundreds of answers
November 7, 2016

Physics
Two cars approach along icy streets which meet at a right angle to one another. The cars collide and stick together. One car has a mass of 1200 kg and had a speed of 30 km/h in the +x direction before the collision. The second car has a mass of 1500 kg and was traveling in the...
November 6, 2016

statistics
an archer shoots arrows at the bull's eye of a target and measures the distance from the center of the target to the arrow. identify the random variable of interest, determine whether it is discrete or continuous, and list its possible values
November 6, 2016

math
answer is $10.740
November 6, 2016

Statistics
Suppose that 30% of all college students smoke cigarettes. A sample of 18 is selected randomly. What is the probability that exactly 10 students smoke? Round your answer to four decimal places.
November 6, 2016

Physics
I just want to see if I got the step by step and answer right
November 6, 2016

Physics
A 10 kg object (m1) initially moving to the right at 20 m/s makes a totally elastic head on collision with a 15 kg object (m2) which was initially moving to the left at 5 m/s. Find the final velocities of each object. HINT: Treat this as a one-dimensional problem. Help ASAP ...
November 6, 2016

Physics
What equation to use and how to substitute it into the equation
November 6, 2016

Physics
Two cars approach along icy streets which meet at a right angle to one another. The cars collide and stick together. One car has a mass of 1200 kg and had a speed of 30 km/h in the +x direction before the collision. The second car has a mass of 1500 kg and was traveling in the...
November 6, 2016

Physics
Never mind I got it
November 6, 2016

Physics
I still don't get it. Can you show me the equation with the numbers plugged into it please
November 6, 2016

Physics
Three carts of masses 4kg, 10 kg, and 3 kg move on a frictionless horizontal surface with initial speeds of 5 m/s, 3 m/s, and 4 m/s. If the carts all stick together after the collisions, what will be the final velocity of the combined mass? Help ASAP please. Step by step to ...
November 6, 2016

Physics
I just want to see if I got the step by step correct
November 6, 2016

Physics
Show that the kinetic energy of an object can be written in terms of the momentum as KE = p2/2m. Help ASAP please. Step by step to get the answer
November 6, 2016

Physics
Where did 9 and 16 come from??
November 6, 2016

Physics
a) What is the ratio of the momentum of a 3kg mass moving at 3 m/s to that of a 2 kg mass moving at 4 m/s? b) What is the ratio of the respective kinetic energies? Help ASAP please!! Step by step to get the answers
November 6, 2016

College Alg
Related Questions math - A couple plans to save for their child’s college education. What ... math - A couple plans to invest money for the chld's education. What principle ... math college - A bank account earns 10 percent interest compounded continously. ... Finance...
November 6, 2016

history
Which of these contributed most to white settlers' desire to have the Seminole tribe removed from Florida? a. Seminole attacks on small farms b. A Seminole alliance with the Spanish c. The Seminoles' control of the fur trade d. The Seminoles' protection of runaway ...
November 6, 2016

algebra
Write an equation that can be used to find two consecutive integers such that the sum of their reciprocals is 13 84
November 6, 2016

math
A rectangular parking has a perimeter of 28 units. The length is six less than double the width. What is the length of the parking lot?
November 6, 2016

Philosophy
john will either not other..... sorry about the typo. I know the claim is acceptable by observation i just want to know if it is unacceptable by any way or no. Thanks
November 6, 2016

Philosophy
john will other score 10/10 on the assignment or he will not This claim is acceptable by observation, could we also say that it is unacceptable by problems in language (vagueness). Or is there any other way it is unacceptable
November 6, 2016

Math
6+2x=24 2x=24-6 2x=18 x=18/2 x=9
November 6, 2016

Math
6+2x=24 2x=24-6 2x=18 x=18/2 x=9
November 6, 2016

math
A regular polygon is inscribed in a circle of radius 9 cm. Calculate the perimeter of the polygon to the nearest tenth if the polygon has 6 sides.
November 6, 2016

math
A regular polygon is inscribed in a circle of radius 11 cm. Calculate the perimeter of the polygon to the nearest tenth if the polygon has 8 sides.
November 6, 2016

math
A ship leaves port at 7 am and heads due east at 34 knots. At 10 am, to avoid a storm the ship changes course to N 57° east of north). Find the ships distance from port at 2 pm. Round to the nearest tenth. To determine nautical miles multiply the speed in knots by the ...
November 6, 2016

math
When an airplane leaves the runway, its angle of ascent is 13° with a speed of 82 metres per second. Find the altitude of the plane after 7 minutes.
November 6, 2016

math
A pilot is asked to approach the airport at an 6° angle of descent. If the plane is travelling at an altitude of 27000 ft, at what horizontal distance from the airport should the descent begin? Give your answer to the nearest foot. Your Answer:
November 6, 2016

trig
A communication tower is 34m tall. Jane stands somewhere in front of the tower to the right and measures the angle of elevation to be 70 degrees. Bill stands somewhere in front of the tower to the left and measures the angle of elevation to be 50 degrees. How far apart are ...
November 6, 2016

math
Ali swims 4m for every 1m Anton swims. By how far in meters will Ali beat Anton if the race is 50m?
November 6, 2016

chemistry
The atomic mass of an element is 27.and its equivalent mass is 9.the vapour density of chloride is
November 6, 2016

maths
how to solve this equations 2x=3x
November 5, 2016

Algebra 2
Thanks Steve
November 5, 2016

Algebra 2
Yes
November 5, 2016

Algebra 2
Given: log(10,5)=a, log(10,3)=b, log(10,2)=c Find: log(30,8)
November 5, 2016

geography
A football match is to be played on Saturday in NewZealand(longitude 150 degrees east) between the host country and Nigeria (longitude 15 degrees east).If the match is to be televised life, at what time should Nigerians tune in their television sets to watch the kickoff ...
November 5, 2016

geography
If the time at Town A longitude 75 degrees west is 5 p.m. on Friday what will be the time at Town B longitude 120 degrees east
November 5, 2016

geography
Sorry.It's 120 degrees east
November 5, 2016

geography
If the time at town A (longitude 75 degrees west) is 5.00pm on Friday,what will be the time and day at town B?
November 5, 2016

chem.
A mixture of gases contains twice as many moles of As as Kr. If 0.300 mol of Xe is added to this mixture, the pressure increases from 1.26 atm to 1.47 atm. how many moles of Ar are in the mixture?
November 5, 2016

physics (urgent)
average rpm during halt = 50 rev/min time to halt = 10 rev/50 rev/min = .2 min or 12 seconds omega at start = 100 rev/min*2pi rad/rev * 1 min/60s = 100 *2pi/60 radians/second so alpha = d omega/dt = - 10pi/3 / 12 radians/s^2 and Torque = I * alpha
November 5, 2016

PHYSICS
average speed = 30 time to stop = t = d/30 -mu m g = m a a = -10 mu = - 5 m/s^2 v = 60 + a T 0 = 60 -5 t t = 12 seconds to stop then d = 60 (12) - (1/2)(5)(144) d = 5 (144) - 2.5(144) d = 2.5 * 144
November 5, 2016

Physics
(a) Av = v^2/r = 9/2 (b) (1/2) m v^2 (c) distance = 2 pi r time = distance / v (d) omega = v/r Hey, this is all in your text easy.
November 5, 2016

Physics - Gravitation
find potential and kinetic energy of each orbit and subtract.
November 5, 2016

Physics Gravitation Question
I did part A) below B) g = v^2/R 2 pi R = v T so v = 2 pi R/T
November 5, 2016

Physics Gravitation Question
g = G M/R^2 here R = 525,000 meters M = 2.59*10^20 G = 6.67 * 10^-11 for part 2 calculus helps dg/dr = -2R G M /R^4 so dg = -2 G M/R^3 dr dg/g = -2 G M/R^3 (R^2/GM) dr dg/g = -2 dR/R here dR/R = 22/525
November 5, 2016

sir-reiny-steve help
In a survey carried out among 100 soldiers, the investigation shows that 42 were shot on head, 43 on arm, 32 on leg, 5 were shot on head and arm, 8 on arm and leg and 6 on leg and head. How many soldiers were shot; (i). all three parts of the body. Plz help
November 5, 2016

Physics
Initial x momentum = 2.5 u Initial y momentum = 0 Final x momentum = 2.5 V cos 22 + 4.9 (15) cos 37 Final y momentum = 2.5 V sin 22 - 4.9(15)sin 37 SO use final y momentum = 0 to get velocity of particle 2 4.9(15) sin 37 = 2.5 V sin 22 then go back and use the x momentum to ...
November 5, 2016

Physics
No one said energy was conserved!!!! Momentum is conserved in the x direction AND Momentum is conserved in the y direction
November 5, 2016

Math
All my pairs of underpants are red except two. All my pairs of underpants are blue except two. All my pairs of underpants are pink except two. How many pairs of underpants do I have?
November 5, 2016

Adv function
Cos^4(x)+sin^4(4)=cos(2x) Plz help.
November 5, 2016

math
Two trains leave the station at the same time, one heading west and the other east. The westbound train travels 10 miles per hour slower than the eastbound train. If the two trains are 720 miles apart after 4 hours, what is the rate of the westbound train?
November 5, 2016

Adv function
(2-sin^2x)/-sinx=sinx Is this doable. That's the answer but I can't get the l.s to equal r.s
November 4, 2016

Calculus Reimann Sum
Approximate ?_-2^3(x+3)dx via the Riemann sum. Use the partition of five subintervals (of equal length), with the sample point barx_i being the right end point of the i-th interval. I attempted this problem and got -40/3, but it's not being accepted. I'm not sure what ...
November 4, 2016

spanish
Question 2 is C then right?
November 4, 2016

Help please spanish
please correct me if I am wrong
November 4, 2016

spanish
am i right?!
November 4, 2016

spanish
my answers: C A B
November 4, 2016

spanish
How do people in the Spanish speaking world invite people to their parties? A) Formal, written invitations B) Posting the celebration in the newspaper well in advance C) Verbally without much notice Which of the following is not true about Barcelona? A) It is the capital of ...
November 4, 2016

Chemistry
N2(g) + 3H2(g) -> 2NH3(g) How many grams of ammonia are formed from 14.0 grams of nitrogen? 14/2 = 7 grams of ammonia
November 4, 2016

social studies
Is it B?
November 4, 2016

ss
Since Greenwich, England is on the prime meridian, which of the following is a line of longitude that would be found in North America? a. 45° N c. 30° S b. 70° E d. 100° W
November 4, 2016

Science
idk
November 4, 2016

Math
Davis High School Multi-Step The heights of the starting players for the and 69 in. Find the team are 78 in., 74 in., 71 in., 7o in., Boys basketball average height of the starting players.
November 4, 2016

help help help sir steve
find 16^1/3 without the use of calculator plzzzz help i dont know it
November 4, 2016

Algebra 2
Consider the graph of f(x)=2[[x/3]] +4 with doman {x|0<_x<12}. Create the piecewise function that would produce the same graph over the indicated domain. [[ ]] stands for a step function
November 4, 2016

physics
A small disk of radius r is glued onto a large disk of radius R that is mounted on a fixed axle through its center. the combined moment of inertia of the disks is I. A string is wrapped around the edge of the small disk and a box of mass m is tied to the end of the string. the...
November 3, 2016

Adv function
sin(7x)= sin(x)[cos^2(3x)-sin^2(3x)]+2cos(x)cos(3x)sin(3x) I tried for an hour but still don't know how. Plzz help
November 3, 2016

Ad. Functions
write 2sin(2x)+(rt12)cos(2x) in the form of y= Acos(2x-theta) by finding A>0 and theta is a real number between [0, 2pi] I found that a=2 and theta =pi/2. But I don't think that's right
November 3, 2016

Health
Why is it important to eat a variety of foods?
November 3, 2016

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