Thursday
July 24, 2014

Posts by Emmanuel


Total # Posts: 66

science
rf

MATH
IF 810 BOYS WEED A PLOT OF LAND IN 4 YEARS, HOW MANY YEARS WOULD IT TAKE 1080 BOYS TO WEED THAT SAME PLOT OF LAND?

math
Bladder infections are often caused when the bacteria E. coli reach the human bladder. Suppose that 3000 of the bacteria are present at time t = 0. Then t minutes later, the number of bacteria present will be a) How many bacteria will be present after 10 minutes? 30 minutes? 4...

math
The position of an object moving in a straight line is given by the function , where s(t) represents distance traveled and t represents the time the object has been in motion. How long (to the nearest tenth) will it take the object to move 17 meters?

Albegra
step by step on how to solve this problem 2420/(570+r) = 2140/(570-r)

MATH
HOW DO YOU SIMPLIFY SURDS WITH CUBED 98 ROOT?

English
The answer is Chicago. You basically pick the number of letters stated in the fraction. For example, 3/7 of a chicken. The word 'chicken' has 7 letters. So, you pick the first 3 as stated in the fraction. Then, you do the same for other given words too and you end up w...

math
Chad buys peanuts in 2-pound bags. He repackages them into bags that hold 5/6 pound of peanuts. How many 2-pound bags of peanuts should Chad buy so that he can fill the 5/6-pound bags without having any peanuts left over?

physics
A spiral spring of natural length of 30.0cm and a constant force of 20N/m is compressed to 20cm. Calculate the energy stored in the spring.

physics
A spiral spring of natural length of 30.0cm and a constant force of 20N/m is compressed to 20cm. Calculate the energy stored in the spring.

physics
a body of mass 25kg moving at 3m/s on a rough horizontal floor is brought to rest after sliding through a distance of 2.5m on the floor. calculate the coefficient of sliding friction.

Introduction to criminal Justice.
Topic:4th Amendment exception to searches and seizures (Terry v. Ohio) what impact did Terry v. Ohio have on law enforcement officers? Hint: what have been the benefits or hindrance of Terry as it relates to officer safety?

history,geography, agricultural science andmaths lit
which job releted with this subject

Math
Solve for x -2 + 2x = -x + 2 + x

Math
For y=2x +3 whenx=4, what does y equal?

Math
Why did Airhead eat the dollar he brought to school

Math
Jada, Nicholas, Nita, and Calvin shared $60. Jada received 1/2 of the total amount of money Nicholas, Nita, and Calvin received. Nicholas received 2/3 of the total amount of money Nita and Calvin received. Nita received 3 times as much as calvin. (a) how much money did jada re...

Life orientation
what is meant by discrimination

chemistry
Pt, (H2) 1atm | CH3COOH 0.1 M, CH3COONa 0.15M || NaBr 0.1M, AgBr(S) | Ag write the cathodic, anodic and final reactions.

Physics
n1sinQ1 = n2sinQ2 for air/glass interface Angle = 27degrees which is sinQ2 n2sinQ2 = n3sinQ3 for glass/water interface

Math
Math Question: winning time of a marathon is 1 hour, 24 minutes and 11 seconds... How do I find the average speed?

Social Studies
Argument that Roger Sherman uses to convince people to ratify the constitution?

chemistry
Calculate the molarity of a solution containing 58.5mg of NaCl in 2.50mL of solution.

History
The Iroquois form of government was a democracy. They had councilmen for each tribe just like how the US have councilmen for each sate. They also had women rights.

math
math

Mathsw
A man 6 feet tall is standing 9 feet from a 18 feet tall light pole. His shadow cast 15 degree. What is the angle formed from this equation?

Math
I have trouble with math, I'm very good at science and when I grow up I want to be a zoologist, the problem is that. MATH I try to pay attention at school but the teacher is very boring and I'm one of those people that can't pay attention when bored. Any tips?

math
A warehouse having a volume of 10,000 ft3 and a floor area of 1000 ft2 is to be built. The cost of constructing the floor is $6.00/ft2, the cost of the roof is $10.00/ft2, and the cost of the walls is $20.00/ft2. If W is the width, L the length, and H the height of the buildin...

Embedde System and IC Design.
Write a program that will count down from the last (4) digits of the student ID 1119939 until zero. Once completed, the function will reset and count down again. Assume the last two (2) digits of the student ID is a decimal number, and crystal oscillator is 11.0592MHz.

Embedded System and IC Design.
Write a program, which writes the last two (2) digits of the student ID 1119939 into the 8051 microcontroller’s internal RAM addresses from 40h to 6Fh with the same data. Assume the last two (2) digits of the Stamford student ID(1119939) is a decimal number, and crystal o...

math
How to solve a three set problem

math
7 five-pack stickers and 3 eight-pack stickers 5x+8y=59 5(7)+8(3)=59 35+24=59 59=59

Math
7 five-pack stickers and 3 eight-pack stickers

Physics
How do i determine the mass of ice initially in the calorimeter when dry saturated steam is passed into 250g of a mixture of ice and water in a calorimeter of thermal capacity 45J/K when all the ice has just melted,and the mass of the content in the calorimeter has increased b...

math
ratio 1,5 hours 50 min

maths
factorise fully: 5x^2+11x+2

industrial electronics N2
Hi, i'm seriously need your help on this subject just to explain the basics, chapter by chapter. i registered a part-time Electrical Engineering and placed me in N2.

physics
A uniform rod (AB) of mass 80kg and 1.0m lenght is supported on the 2 knife edges placed 15.0cm from its ends. what will be the reactions at these support when a 20kg mass is suspend 10cm from the mid-point of the rod.(workings and diagram).

MATH
Answer

AP Physics
M1v1 +M1v1=(m1+m2)v (3*10) + (0.5*0)=(3+0.5)v 30 + 0 = 3.5v 30 =3.5v v =8.57m/s.

chemistry
B. Everyone knows that water is supposed to boil at 100° C. Why did your water sample boil at a different temperature? C. While heating two different samples of water at sealevel, one boils at 102o C and one boils at 99.2o C. Calculate the percent error for each from the t...

world issuse
The answer should be 'message'. We read it everyday, d 3rd and 4th letters are the same and d 5th 6th and 7th letter increases everyday which is 'age'

chemistry
what is the ph of a 2.0M solution of a strong acid?

Chemistry
Ground water intially contains 1.800mg/L of iron as Fe3+. What must the pH be raised to in order to precipitat all but 0.30mg/L of iron. The tempertaure is 25 degrees celcius

Math
Suppose you plan to save $12 per week.You have already saved $7.50.In how many weeks will you have saved at least $100?

Physics
A battery of three cells in series each of emf 2v and internal 0.5 ohms is connected to 2ohms resistor in series with a parallel combination of two 3ohms resistors (a)draw the circult diagram (b)the effective of external resistance (c)the current in the circult (d)the lost vol...

Physics
A battery of three cells in series each of emf 2v and internal 0.5 ohms is connected to two ohms resistors in series with a parallel combination of two 3ohms resistors? (a) draw the circult diagram (b)the effecive of ex ternal resistance (c)the current in the circult (d)the lo...

11th grade
X equals minus seven over 3 or seven over three. We've been dealing with this in my school so I'm certain as death about it.

statistics
a study of 40 professors showed they spent on average 13.6 minutes correcting a student papers. Given a standard deviation of 17, the 90% confidence interval of the mean time for all the test papers is what?

home economics
what are the choices of career in home economics influence of orientation in home economics

Chemistry
162.

chemistry
Three gases (8.00 of methane, , 18.0 of ethane, , and an unknown amount of propane, ) were added to the same 10.0- container. At 23.0 , the total pressure in the container is 3.50 . Calculate the partial pressure of each gas in the container.

instrument
Learn to whistle

psychology
How research methods are used to determine causes and solutions to psychological or work problems

Math 156
The answer isn't even in your options; the correct answer is 119.9mm Hg, 160.1mm Hg.

Chemistry
1.) The average velocity of Cl(2) molecules is 2.50 x 10^3 m/sec at a temp of 25 C therefore the average velocity of helium atoms is ?? [ i got the answer 5.94 x 10^2 m/Sec is that right] 2.) A gas is allowed to expand from 1.5 : to 12.5 L against a constant pressure of 6.5 at...

math-3rd grade
explain how 3 group partial sums work

Business Communication
Your boss wants to send a brief email message welcoming employees recently transferred to your department from your Hong Kong branch. They all speak English, but your boss asks you to review his message for clarity. What would you suggest your boss change in the following emai...

health
the three things that describe and difine what enviorment is ?

Mathimatics
If 2 box are in a bag one is taken out what is the probability that a box is taken from the bag

biology: the study of life
AN INDIVIDUAL LIVING THINS IS A(N)

math
if you have to build a pool of 72 yards in your yard,and the construction company wants you to choose the dimentions (lenth and width) of the pool.how do you choose the dimentions that will give you the greatest area possible?

science
am in 8 grade

criminal justice theories
which of the following is not a component of a crime

language arts
what is the population of Ithaca,New York not sure, go to google or askjeeves or some other site, and type in that question. i'm sure you'll get the answer http://www.city-data.com/city/Ithaca-New-York.html http://en.wikipedia.org/wiki/Ithaca,_New_York

Physics
11.7

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