Saturday
April 19, 2014

Posts by Unknown


Total # Posts: 891

Math
The surface area of a prism is 54 square inches. What is the surface area of a similar prism that is smaller by a scale of 1/3? My answer- 6

Math
Can you check my answer, I got 5.92983333

Math
Convert- 94 gal/h=______L/min

Math
Ms.Sue wouldn't it be 192?

Math
Can someone help me with this? Convert: 48lb/gal=____oz/qt

Math economics HELP!!!
YES

Science
How many moles of O2 are needed to make 1.98 moles of SO3?

science
how many moles of SO2 are needed to make 3 moles of SO3?

CALCULUS ECONOMICS
WRONG s is not -300

Probability
1. 0.0384 (5!/5^5) 2. ???

Probability
c) 13/24

Probability
a) 3/5 b) (2/5)/(3/5)=2/3

Probability
pataka rana ug answer.. 1/5 + 2/5=4/5? sure ka ana?

Math
oops the percent it 18.4 not 18.45! Sorry

Math
Oh! Ok let me try it by dividing only once.

Math
It's a percent proportion- is/of = %/100

Math
Also~ 18.45 of 880 is what number? My answer- 1.6192

math
I got .9052 the 2nd time

math
62% of 146 is what number? My answer- 23548.38

Science
Thank you this helps a lot!

Science
How are volcanoes formed?

science
Please help! Thank you!

science
What is a mountains origin?

Math Help
Please help me solve these two problems and check my answer :) 1. 3x-5+x+2 My answer- X= 17/3 2. 5/6x+1/4= -9/4 my answer- X= -2

science
a stone is dropped down a well.it hits th surface of the water after 2seconds.find the depth of water from point where the stone was dropped

Civics
Ok thank you very much!:D

Civics
So it establishes that the court cannot/will not change the understanding of the law once made unless the decision before an be shown wrong/ in error?

Civics
What role do precedents play in our legal system? Help would be appreciated!! :-)

POL 201
I need answers for week 2 quiz.

Physics
One student generates a short, loud sound of wavelength 0.7576 m. Another student, who is 100 m away, hears the sound exactly 0.300 s later. What is the frequency of this sound? Please help

Physics please help.
A ball of Styrofoam (ρ = 100 kg/m3) is totally submerged in water. The ball has a mass of 300.0 g (it could be a pretty big block). What is the volume of the ball? If a string holds the ball when it’s in the water, what’s the tension in the string?

Social
What are the for and against arguments for the right to vote?

Physics Please check my answer
Well it's a two part system, so the mass is a force that the other mass has to overcome in order to move

Physics Please check my answer
Okay, so I've figured this much out on my own, I just need help with the next part. It's a two block system with a friction of .20 a hanging mass of 7.5 kg and mass on the table at 10 kg. I got 3.08 m/s^2 for the acceleration and I got 22.8 N for the tension in the rop...

science
Is a bluegill both a decomposer and consumer?

Physics Please check my answer
Yes, the rope pulls all of the blocks to the right. Thank you so much for your help.

Physics Please check my answer
1. Which of the following are conserved in a totally inelastic collision? Only momentum Only kinetic energy Both momentum and kinetic energy Neither momentum nor kinetic energy <--- It depends on the objects. 2. Two skaters stand face to face. Skater 1 has a mass of 55 kg, ...

please check this
I got 225 N/m is this correct?

physics
8. A spring is compressed a distance of 0.15 m from its rest position and held in place while a ball of mass 0.150 kg is placed at its end. When the spring is released, the ball leaves the spring traveling at 9.0 m/s. What is the spring constant? 540 N/m 450 N/m 60 N/m 225 N/m...

Physics help
I'm trying to calculate the tension in a rope. The two ropes are holding up a picture frame that is 100N, each rope is at a 45 degree angle. I'm trying to find the value of the tension of the 1st rope. Please help

help!!!!
8y-6

science help!
A satellite is placed in orbit 100 km above the surface of the earth (radius = 6370 km, mass = 5.98 x 1024 kg). If the satellite has a mass of 1500 kg, what is the force of gravity acting on it?

science please check my answer
A mass is moving in uniform circular motion under the effects of a centripetal force. If the force is doubled and the radius is cut in half, by what factor will the speed change? It will double. <---- It will be cut in half. It will not change. It will quadruple. It will be...

maths
Solve 5x + 3y = 4 3x + 4y = 9 Just a bit confused Please help

physics
A graduated cylinder is inverted in a very large bucket of water. The depth of the water in the container is 6 m and the top of the bucket is open to the air in the room. The mouth (bottom) of the graduated cylinder is 4 m above the bottom of the container. Due to a pressure d...

Engineering
plz... post all the answers you know so that other people will be benefited.....

Physics Classical Mechanics
vm = 2.213594362 Q = 0.278168471

Physics Classical Mechanics
M/(pi*r^2*(l-h) + 4*pi*R^3/3)

Physics Classical Mechanics
f = 1/(2*pi)*sqrt((2*g)/L)

Physics Classical Mechanics
T = 2*pi*sqrt((3*M)/(2*k))

Physics Classical Mechanics
(a)NL = (m*g*(1-(2*x)/d))/2 NR = (m*g*(1+(2*x)/d))/2 (b)(-2*mu_k*g*x)/d (c)x_0*cos(sqrt((2*mu_k*g)/d)*t)

Science
Thank you!

Science
What is a example of a scientific law?

math please help me
6x + 4(2x + 3) = 34 + 3x 6x + 4(2x) + (4)(3) = 34 + 3x 6x + 8x + 12 = 34 + 3x 14x + 12 = 34 + 3x 12 = 39 + -11x -27/-11 = =11x/-11 2.45 = x

Math
The variable W represents the width of a rectangle. The length of the rectangle, L, is 5 less than twice the width. Write an expression for the length of the rectangle in terms of W. Write a simplified expression for the perimeter of the rectangle in terms of W. Find the perim...

Science
What substances (Syrup or water) absorb more thermal energy? Why?

science
Calculate the time in seconds an Olympic Skier would take to finish a 5,000 meter race at an average velocity of 25 m/s downhill.

Physics Classical Mechanics
(a) sqrt(G*M/r_a)

Music
What could be done to minimize the commercialism in today’s music scene?

Science
what are 4 places where convection is important in a home? {I already have the air conditioner}

Civics
Ok thank you!

Civics
Why was the 14th amendment passed/needed? My answer- To guarantee all former slaves and their children were legally citizens of the USA under the Constitution.

Civics
ah ok! Thank you!

Civics
So The Fourteenth Amendment was proposed by Congress in 1866 and ratified by the states in 1868?

Civics
When was the 14th amendment passed?

Language arts
in a way...

Language arts
Oh so our world/community are like the shadow because we all or most of us believe there will be riches when we die?

Language arts
So the shadow it basically telling the Knight that there is no possibly to get there. So the shadow is us?

Language arts
I don't think the last part is correct...

Language arts
Yes i have read it, he is looking for Eldorado, he does not find it. the shadow tells him that it is over the Mountains of the Moon, and down the valley of the shadow. (I'm not sure about this answer) Humans today behave the same way because... we spend to much time lookin...

Language arts
In "Eldorado" by Edgar Allan Poe how does our world and community relate to the knights world & community? Please help!! >.<

Civics
What does the very last sentence of Animal Farm suggest?

Civics
Oh and one more question -1. How did Boxer help dig his own grave, so to speak?

Civics
Oh i got the answer now! Thank, you!

Civics
In animal farm how do the pigs get the other animals to support their use of the milk and apples?

SORRY FOR THE INCONVENIENCE!!
Please accept this as an apology. I wasn't trying to spam this forum I truly believe it's great and I am grateful for the amount of tutors who volunteer their time!! I was very shocked that's all. I am once again sorry

MEDIA
I have a right to protect my child!!

MEDIA
sorry I only posted this once... technical fault.. :( sorry my kids use this ..you guys are great I am really astonished by the ads though

MEDIA
can someone please explain why there are advertisement on the webpage, which are very interrupting...like dating women.. whoever set this programme up can you please get rid of it as this is for educational purposes not for promoting sexual preferences!!

media
if it helps my child's education, then yes!!

media
I really don't think this ads thing is a good idea. my children use this and I really don't want them to be promoted by such disgraceful things!! I help them as much as I can but this website helps them as well. please do something!!

science
*to humanns

science
5 facts on how Ultraviolet ray,X-rays and gamma rays are dangerous to and their sources.

Music
How does music affect a musical?

Science
Determine the frequency of a microwave 6.0 cm in length.( A microwave is an electromagnetic wave.It travels through space at a speed of 3.0 x 10 ^8 m/s)

Science >.<
if a wave is traveling at 60cm/second and has a wavelength of 15cm what is the frequency? Please explaine

Math...help
thanks a lot bobpursely & jai :)

Math...help
so you take away got it!

Math...help
so, e)38e+18 f)16f+15 right?

Math...help
are the rest correct

Math...help
I get confused when the plus and minus clash

Math...help
remove the brackets and simplify questions a) 3(2a+5)+2(a+7) b) 5(b+4)+10b c) 4(2c+3)+3(c-3) d) 8+6(d-2) e) 6(5e+3)-4(2e+3) f) 5(3f+2)-(f-5) MY ANSWERS a)6a+15+2a+14 8a+29 b)5b+20+10b 15b+20 c)8c+12+3c-9 11c-3 d)8+6d-12 I need to simplify more...how? e)30e+18-8e I need to simp...

Math
no worries...dad explained :) thanks a lot

Math
I've be told to times but then I get confused when adding please explain!

Math
Please check my answers, which are at the bottom of each question...:) remove brackets a) 4(a+3) d) 5(2+d) 4a+12 10+5d b) 3(2b+2) e) a(3a-6) 6b+2 4a-6a c) 7(3c-1) f) 2(x+y) 21c-7 2x+2y simplify the following: a) a+a+a+a d) a2 xa3 4a a5 b) a x a x a e) 3y+6z+2y-4z a3 5y+10z OR ...

science please help
Sources and uses for the following: Radio waves Microwaves Infrared Waves Visible Light Waves Ultraviolet Waves X-Rays Gamma rays

SCIENCE (ms.sue)
please help me in compiling it into a paragraph and also to help me find the info!!

SCIENCE
How ionising radiation affect the cell, DNA and can lead to tumours /leukaemia? nothing too complex please note form will be fine, in which I can use it in my explanation. if you can please put it in your own words as I find it much easier to understand and explain in my upcom...

science
How ionising radiation affect the cell, DNA and can lead to tumours /leukaemia? nothing too complex please note form will be fine, in which I can use it in my explanation. if you can please put it in your own words as I find it much easier to understand and explain in my upcom...

Spanish
Piensa en algunos ejemplos de como cambiarías los siguientes elementos de una conversación en una situación formal. Vocabulario Pronunciación Palabras abreviadas Modismos También da dos ejemplos de situaciones distintos que requieren que uses...

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