Thursday

July 28, 2016
Total # Posts: 31

**math**

Aaron own a shipping company. He plans to move into his new office which is near to the city centre. He needs some filing cabinets to organize his files. Cabinet x which costs RM100 per unit, requires 0.6 square meters of the floor space and can hold 0.8 cubic meters of files...
*June 9, 2015*

**math**

Aaron own a shipping company. He plans to move into his new office which is near to the city centre. He needs some filing cabinets to organize his files. Cabinet x which costs RM100 per unit, requires 0.6 square meters of the floor space and can hold 0.8 cubic meters of files...
*June 8, 2015*

**math**

P(t)=-1800cos((pie(n))/6 t)+1800
*June 8, 2015*

**math**

A market research company finds that traffic in a local mall over the course of a day could be estimated by the function P(t)=-1800cos((pie(9))/6 t)+1800 where P,is the number of people going to the mall ,and t is the time, in hours ,after the mall opens. The mall opens at 9....
*June 8, 2015*

**math**

A market research company finds that traffic in a local mall over the course of a day could be estimated by the function P(t)=-1800cos(𝝅/𝟔𝒕)+𝟏𝟖𝟎𝟎 where P,is the number of people going to the mall ,and t is the time, in ...
*June 8, 2015*

**math**

sTEVE I CANT UNDERSTAND
*June 8, 2015*

**math**

Reza is helping En Shah to make a box without the top.The box is made by cutting away four squares from the corners of a 30cm square piece of cardboard as shown in Figure 1 and bending up the resulting cardboard to form the walls of the box.
*June 8, 2015*

**STATS HELP**

Final averages are typically approximately normally distributed with a mean of 72 and a standard deviation of 12.5. Your professor says that the top 8% of the class will receive an A, the next 20% a B, the next 42% a C, the next 18% a D, and the bottom 12% an F. a. What ...
*April 16, 2015*

**Statistics**

1. In a study of heart disease in male federal employees, researchers classified 170 volunteer subjects according to their socioeconomic status (SES) and their smoking habits. SES categorized as high and low. Individuals were asked whether they were smokers or non-smoker. Here...
*June 26, 2014*

**MITx: 2.01x **

Q2_2: QUIZ 2, PROBLEM #2 The composite beam AB, of length L=2m, is free at A (x=0) and fixed at B (x=L) and is composed of a round cylindrical core of constant radius R0=1cm bonded inside a sleeve of thickness R0 (outer radius 2R0=2cm). The beam is loaded, as indicated, by a ...
*July 26, 2013*

**MITx: 2.01x**

Q2_1: QUIZ 2, PROBLEM #1 The shaft ABC is a solid circular cylinder of constant outer diameter 2R and length 3L. The shaft is fixed between walls at A and C and it is composed of two segments made of different materials. The left third of the shaft (AB) is composed of a linear...
*July 26, 2013*

**MIT 2.01x**

ww.imagehousing. com/imageupload.php?id=1149147
*July 26, 2013*

**MIT 2.01x**

here imagehousing. com /imageupload.php?id=1149147
*July 26, 2013*

**MIT 2.01x**

I put this Q2_1_1 Answer but the answer its wrong i put this -t_0*(L/3) and the answer is wrong
*July 26, 2013*

**Stats**

I roll a pair of fair dice and compute the number of spots on the two sides facing up. Denote this total by X. The probability distribution of X is X Prob 2 1/36 3 2/36 4 3/36 5 4/36 6 5/36 7 6/36 8 5/36 9 4/36 10 3/36 11 2/36 12 1/36 The probability that X is an even number is
*July 2, 2013*

**Stats**

The incomes in a certain lg. population of college teachers have a normal distribution with a mean of $35,000 and st. dev. of $5000. Four teachers are randomly selected. What is the probability their average salary will exceed $40,000?
*July 2, 2013*

**physics**

While standing at the edge of the roof of a building, you throw a stone upward with an initial speed of 7.53 m/s. The stone subsequently falls to the ground, which is 14.7 m below the point where the stone leaves your hand. At what speed does the stone impact the ground? How ...
*May 2, 2013*

**Science**

A newspaper story on AIDS reports that an allele (R) confers complete resistance to HIV when homozygous and that 1% of the human population is resistant (RR). The story also states that 20% of the population carries one copy of the resistance allele (i.e., is heterozygous). Is...
*April 7, 2013*

**physics**

F=m*((v^2)/r) Therefore (18.1^2m/s)/80m*3800=F Therefore F=15561N
*September 19, 2012*

**math**

given a right triangle ABC with the right angle at B find AB if AC = 25 in and BC = 6 in Approximate the length of AB to two decimal places
*May 4, 2012*

**Calc 2**

I'm asked to find the arc length of the curve y=3+(1/2)sinh(2x) from 0 to 1. I figured it out up to the integral of sqr(1+(cosh(2x))^2) from 0 to 1, but I'm not sure how to go on to solve it.
*April 3, 2012*

**Physics**

My bad... I meant the angular acceleration - I was given rad/sec^2 as the units.
*January 3, 2011*

**Physics**

Can I just do that when my radius is in radians?
*January 3, 2011*

**Physics**

How do I find tangential speed with just radius, time and angular acceleration?
*January 3, 2011*

**Physics**

Er, wait. That is probably wrong. I think I have to go back and convert a few things around.
*December 16, 2010*

**Physics**

Oh, I had to find it in rev/min^2.
*December 16, 2010*

**Physics**

The angular speed of an automobile engine is increased at a constant rate from 1200rev/min to 3000rev/min in 12s. How many revolutions does the engine make in this 12s interval? I worked it out to be 25200 rev. Is that right?
*December 16, 2010*

**history**

how did the migration to florida introduced new farming practices
*September 22, 2010*

**Improving Your Writing**

This is more a comment,I am also in this boat, its very confusing if your only responsibility is Ruth and Jack why with all the names of four other employees. Why would they give you so much info you really don't need, and want you to make-up part of the scenario. Sounds ...
*February 24, 2010*

**maths**

solve Z^5 - 1 =0 where Z is a complex number
*July 23, 2009*

**probability problem**

The probability is 1 in 4,000,000 that a single auto trip in the United States will result in a fatality. Over a lifetime, an average U.S. driver takes 50,000 trips. (a) What is the probability of a fatal accident over a lifetime? Explain your reasoning carefully. Hint: Assume...
*September 16, 2008*

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