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March 22, 2017

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Posts by anonymous

Total # Posts: 106,672

physics
Can someone please help me? I am having a really hard time with physics. This is not a test question. It is a practice problem from a review website I am supposed to use, but I am having a really hard time. Can someone at least help me to begin setting up the problem? I would ...
January 5, 2017

math
There are technically 2 different ways that you could go about solving this problem. The first option is definitely the easier way to solve this problem because it is completely visual - unless you prefer to solve things algebraically. The first way to solve this problem would...
January 5, 2017

math
The angle of elevation of the top of a building from a point 10m away in level ground is 30.calculate the height of the building
January 5, 2017

Career
South Africa, English first additional language is a subject and that level 3 is the level that I have obtain in English first additional language.
January 5, 2017

calculus
how do i get the answer for this limit limit x to 0 (4^2x-1) without using direct substitution my work so far is limit x to 0= (4^2x-1) = (4^2x/4^-1) is it correct?
January 5, 2017

Math
If frank earned in a simple interest for oneyear on an investment of 9000 .what annual rate of interest was paid
January 5, 2017

math
Consider a box that contains 14 red balls,12 blue balls and 9 yellow balls.A ball is drawn at random and the color is noted and then put back inside the box.Then,another ball is drawn at random.Find the probability? a.both are blue b.both balls are yellow c.the first is red ...
January 5, 2017

thermodynamics
21.395 cubic meter over kmol
January 5, 2017

Chem
Oh I got C and H = to 2.71
January 4, 2017

Chem
Find the empirical formula of a compound found to contain 63.15 percent carbon 5.30 percent hydrogen and 31.55 percent oxygen I got C27H27O
January 4, 2017

social studies
If I were in Antarctica during the winter will it be warmer in summer
January 4, 2017

American Government
1. A, B, D, E 2. C 3. D
January 4, 2017

American Government
In our New England state we have for example Essex County. It contains the City of Gloucester and other cities as well as towns like Rockport, Manchester by the Sea, Hamilton.....
January 4, 2017

American Government
my answer to 3 would also have been A
January 4, 2017

American Government
cities have mayors, counties do not
January 4, 2017

Physics
velocity ratio of 5 implies a distance ratio of 5 5 * 0.40 m = 2 m work done by arms = 60*2 = 120 Joules work done by lift on mass = 25*9.81*0.20 = 49.05 Joules loss in energy = 120 - 49 = 71 Joules
January 4, 2017

mathematics
Solve the equation: 4x squared-24=16x,4x-12(12raise to the power of x)+32=0
January 4, 2017

mathematics
To what value does the sum 20+12+36/5 tend as n.I really don't have any idea.
January 4, 2017

am I right ? or no?
i am not correct
January 4, 2017

am I right ? or no?
try it on your calculator :)
January 4, 2017

am I right ? or no?
.99999....^t ---> smaller and smaller 1.000001^t ---> bigger and bigger
January 4, 2017

Health
I'm not telling youuuuuu
January 4, 2017

Health
i know them but.
January 4, 2017

Health
1. D 2. A 3. A I stil don't know the rest! HELP MEEEEEEEEE
January 4, 2017

Maths
If a wire is bent into a square ,it's ara is 49cm2. If it is bent into a semi -circle , what will be its radius
January 4, 2017

Math
I bought three times as many erasers as pens and spent $155 in total. I spent $65 more on the pens than the erasers. Given that 's pen cost $1.90 more than an eraser, find the cost of a pen.
January 4, 2017

Algebra
23 is subtracted from 4 times of a number the result is equal to 1/3 of 54.Find the number?
January 4, 2017

physics
A small tiny nail may Pierce an inflated Tyre and remain there without pressure reduction.explain
January 4, 2017

physics
zero If there is no motion, no work is done.
January 4, 2017

Math;);)
please guys I need help I am stuck on this problem
January 4, 2017

Math;);)
Show that there are at least two ways to calculate the angle formed by the vectors [cos 19, sin 19] and [cos 54, sin 54].
January 4, 2017

Physics, math, algebra
How long will it take a sled to reach the bottom of a hill, if it accelerates at 5.60m/s^2 and has a final velocity at the bottom of the hill of 42.3km/h?
January 3, 2017

Math
Write a division equation that has a solution of -9/14
January 3, 2017

Physics11 A
No I haven't yet. How far along are you on it?
January 3, 2017

Physics11 A
Hi, I'm in the same physics class as well and need help with it too. I'm lined up to get help from a tutor. Did you complete it yet?
January 3, 2017

Physics11 A
I am not asking for answers. I am asking for help on my school work, which is exactly what this website is for. It's alright if you can't help me though. Thanks for the concern anyhow!
January 3, 2017

Physics11 A
CA students help! Did anyone do the Conservation of Mechanical Energy Lab in Unit 3 Lesson 3? I am very confused on what to do or how I would write a report on it. Please help!
January 3, 2017

Math
Asked to simplify the expression sin(180−è), Rory volunteered the following solution: sin(180−è) = sin 180âˆâ...
January 3, 2017

biology
Nvm I see you put where it says one point lol
January 3, 2017

biology
Did you get all of these right?
January 3, 2017

biology
1. The table in Figure 12-3 showes the results of measuring the percentages of the four bases in the DNA of several different organisms. Some of the values are missing from the table. Based on Chargaff's rule, the percentages of guanine bases in chicken DNA should be ...
January 3, 2017

math
Okay thank you!! the signs confused me
January 3, 2017

math
7x-3x = 4x
January 3, 2017

math
How did you get 4x
January 3, 2017

math
7x-4-3x=2x+10
January 3, 2017

math
dont know mate
January 3, 2017

Math
why 573.7
January 3, 2017

Math
Two stores carry a similar stereo for the same original price of $573. One store offers a 16% discount and the second store sells the stereo for $458.40. Which store gives the bigger percent discount? Justify your answer.
January 3, 2017

Math
Alright Ms. Sue chill out- no need to be calling anyone names here. Thought you were all about being a positive influence to people? There is a nice way to talk to people and encourage them to find the answers on their own, and that's not it. She's a 6th grader, and ...
January 3, 2017

Physics
when tuning a piano, amusician plays a note that should be at 110Hz while at the same time tapping a 110Hz tuning fork and holding it next to the strings. He hears beats at 4Hz. (A) state and explain what frequencies the piano could be producing (b) explain how the musician ...
January 3, 2017

Math
18.3
January 3, 2017

Math
The difference between two whole numbers is 15. One of the numbers is 1. There are two possibilites for the second number. What are they?
January 3, 2017

Science
Depletion of what has been halted by a ban on the manufacturing of what
January 3, 2017

English 6th
Dissection sentences according to part of speech
January 3, 2017

Math
f(x)=(1+x)/(1-x),g(x)=x/(1-x), find the simplest form of f[g(x)] and state the domain. My work: (1+ (x/(1-x)))/(1-(x/(1-x))) (1+x)/(1-x)/(1-x)/(1-x)
January 3, 2017

math coordinate geometry
Find the 3rd vertex of a triangle ABC.If 2vertices are A(-4,3),B(4,3)and its centroid is at orFind. Find 3rd.
January 3, 2017

Math
B and 19-B B+2 = 2(19-B) B+2 = 38 - 2 B 3 B =36 B = 12 then 19-B = 7
January 3, 2017

Math for 5th graders
Alice has a paper weigh in the shape of pyramid.Its height 6cm lenght 5.2cm and width is 4.9cm.What is the volume
January 2, 2017

math
the difference between two whole number is 26 and one number is three times the other then the smaller number is..........my work x-y=26,3x_y=26
January 2, 2017

MATH
10^(log10 A) = A = 10^4 = 10,000
January 2, 2017

science
Melody.s is right
January 2, 2017

science
Melody.s is right
January 2, 2017

science
Is Melody.S correct?
January 2, 2017

science
i just took a quiz on this and it said the correct answer is B and C.
January 2, 2017

science
The Hoover dam is a hydroelectric power plant that converts the energy of falling water into electricity. Which of the following determines the amount of potential energy of the water stored in the reservoir of the dam? Choose all that apply. A.the electric potential energy of...
January 2, 2017

Algebra
Thank you Reiny for helping I was having trouble solving these problems.
January 2, 2017

math
cost= .18 per minute x 60 minutes
January 2, 2017

Statistics
Add a carnival, you play ring toss game 30 times. It's only a dollar to play, and your chances of winning the five dollar prize are advertised at 15%! What are your expected winnings?
January 2, 2017

Math
45
January 2, 2017

American government
the bg5r2vwbbyv###76wrwa3#2q34wewqax@3w3#
January 1, 2017

Maths
the value of a machine depreciates every year by 5% .if the present value of the machine is 100000 ,find the value after 2 years
January 1, 2017

Math
Use the table below to evaluate the d/dx[g(f(3x))] at x = 1. x 1 2 3 4 f(x) 6 1 2 2 f ?(x) 6 1 10 2 g(x) 1 4 4 3 g ?(x) 4 5 7 –4 My work: D/Dx(g(f(3x)))= g'(f(3x)) * f'(3x) * 2 D/dx (g(f(3*1)))) g'(f(3*1))*f'(3*1) *2 4*3*2=24 I know 24 isn't the right ...
January 1, 2017

physical science
if the acceleration is constant (In other words if velocity is proportional to time)the final speed is twice the average speed. Vfinal = 2 (107/26) m/s
January 1, 2017

math
To what value does the sum 20+12+36/5---tend as n.
January 1, 2017

chemistry
Name two metals which are obtained by reducing thier oxides by heating with aluminium How is the metal oxides present in calcined/roasted ore reduced to the metal
January 1, 2017

chemistry
Name two metals which are obtained by reducing thier oxides by heating with aluminium How is the metal oxides present in calcined/roasted ore reduced to the metal
January 1, 2017

math
Draw a parallelogram of diagonals 5cm and 7 cm and one angle as 60 degrees
January 1, 2017

science
water?
January 1, 2017

math
length 60cm,breadth45cm,volume 54dm find height
January 1, 2017

Math
3x + 5x + 7x = 45 15x = 45 x = 3 A = 9 B= 15 C = 21 9(7) + 15(10) + 21(13)=486 486/45 = cost/kg 10.8 cost/kg for the mix.
December 31, 2016

Chemistry
Iron+CON Hydrochloric acid =?
December 31, 2016

english
I can't seem to find the relative clause in this sentence, can someone help me? Thanks. "Fables that were written by Aesop usually feature speaking animals."
December 31, 2016

Math
All five members of the Malone family went to the movies their tickets cost a total of $30 how was each ticket
December 30, 2016

Algebra
X nickels. (28-x) dimes. 5x + 10(28-x) = 260 cents. X = ?.
December 29, 2016

Math Trigonometry
An airplane is flying between two towns at an altitude of 8km. One town is to the west of the plane and the other is to the east. The angle of depression to one town in de34grees and to the other town is 49degrees. What is the distance between the two towns
December 29, 2016

Language Arts
I am writing a poem and my teacher told me not to use secondary pronouns like you and your. Does anyone know how I can replace those words?
December 29, 2016

science
w YoState, most of the surface bedrock was formed as a result of which process? a. deposition of sediments into a vast of sea. b, folding of non sedimentary rock. c. metamorphism of sedimentary rock. d. intrusion of magma into sedimentary rock.
December 29, 2016

Math
Whats x to the 3 y to the 6 divided by x to the 3 and y to the 6?
December 29, 2016

asthmatics
Find the volume of the wood required to make an open box of internal dimensions 20cm by 12.5cm by 9.5 cm.the wood being 1.5cm thick.
December 29, 2016

Math
A copper solid cylinder of radius 14cm and height 10cm is melted and recast into cylindrical wire of diameter 4mm.find the length of the copper wire
December 29, 2016

Riddle
What has eighty eight keys, can't open a door
December 29, 2016

Science
What will be the final temp of the ice of 20g when it is heated to 1600 Cal
December 29, 2016

American Goverment
1.C 2.C 3.A 4.B 5.C 6.A 7.D 8.A
December 29, 2016

Calculus
How do I find the limit of x/x as x approaches 0?
December 28, 2016

maths
One hundred and twenty five cubes, each of side 1cm, are placed on a table to form a solid cube. The length of the edge of the cube in (cm) is A) 5 B) 25 C) 125 D) 1 please explain how you got the answer, thanks.
December 28, 2016

Math
By selling a watch for rupees 475, jatin suffer a loss of 5percent. At what price should he sell the watch so as to gain 12 percent
December 28, 2016

Math
I saw MRP of rs 15.50 of biscuit. What does it mean?
December 28, 2016

Math
the sum of two numbers is 30. the difference of their squares is 180. find the two numbers by elimination method
December 28, 2016

English
Write an interesting story based upon the title the tiger who came to visit me in about 150to 200words
December 28, 2016

Analysis
Which of the following words is least like the others rotator,deified,racecar,alright
December 27, 2016

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