Monday

May 2, 2016
Total # Posts: 1,476

**art history **

A mastaba is:
*July 16, 2014*

**phys**

I got it now. (2c)(450-T) = (c)(T-300) Solve for T
*July 7, 2014*

**phys**

The heat capacity of object B is twice that of object A. Initially A is at 300 K and B is at 450 K. They are placed in thermal contact and the combination is isolated. The final temperature of both objects is: ans is 400 K how?
*July 7, 2014*

**phys**

The coefficient of expansion of a certain steel is 0.000012 per C^(degree) . The coefficient of volume expansion, in (C^(degree))^-1, is: A) (0.000012)^3 B) (4pi/3)(0.000012)^3 C) 3 x 0.000012 D) 0.000012
*July 7, 2014*

**algebra**

Find all zeros of the polynomial P(x)=x^3 - 2 x^2 - 9 x - 30.
*July 6, 2014*

**us hist**

In comprison with John Kennedy, Lyndon Johnson was A. better educated B. more skillful at working the congress C. a better public speaker D. personally more charismatic Ans: D Eisenhower's attempt to develop better soviet-american relations was severely hurt by the A. ...
*July 3, 2014*

**Psychology**

What is Classical Hierarchial Classification?
*June 30, 2014*

**psychology**

Which one of the following statements about intelligence is the most accurate a. Iq is a valid measurement, and environmental factors do not change mental ability b. Intelligence is mostlygenetic has the most variability between groups and is reliable regardless of the ...
*June 21, 2014*

**Algebra II**

Opps square root symbols didn't come out right sorry.
*June 15, 2014*

**Algebra II**

This is what it looks like: (¡Ìn + ¡Ìn − 1) (¡Ìn − ¡Ìn − 1) = 1 for n ¡Ý 1
*June 15, 2014*

**Algebra II**

I have the same question for homework.
*June 15, 2014*

**Algebra II**

And it is the (square root of n + the square root of n-1)(square root of n - square root of n-1)= 1 for n great than or equal to 1.
*June 15, 2014*

**Algebra II**

It is a fuction.
*June 15, 2014*

**geometry**

What inequality represents the sentence below? The product of a number and 5 is no more than 8. A. 5n < 8 B. 5n > 8 C. 5n>8 D.5n<8
*June 2, 2014*

**geometry**

Kristen lives directly east of the park. The football field is directly south of the park. The library sits on the line formed between Kristen’s home and the football field at the exact point where an altitude to the right triangle formed by her home, the park, and the ...
*June 2, 2014*

**nutrience**

What is the maximum heart rate for a 35-year-old? A. 121.1 B. 183.5 C. 187 D. 205.55
*June 2, 2014*

**us hist**

Grover Cleveland is to fathering a child out of wedlock as James G. Blaine is to: Questionable loyalty to his country Drug addiction Honesty Political reform None of the other answer choices is correct Not political reform. is it honesty....
*May 15, 2014*

**us hist**

You have many skills, a broad variety of work experiences and a college degree. Do you favor the Pendleton Act? Only in the eastern industrial regions Only in the southern states Yes No I know its not no. is it yes or..
*May 15, 2014*

**us hist**

Complete the following progression: AGRARIAN DISCONTENT; the GRANGE ASSOCIATION; FARMERS’ ALLIANCES; The Populist Party Unionization The election of Rutherford Hayes as President Coxey’s Army The Grange associations is it the populist party
*May 15, 2014*

**Physics**

whats the answer
*May 15, 2014*

**econimic**

Command economies: A. Are considered a type of mixed economy B. Are considered a type of free market economy C. Oppose private property, free market pricing, competition, and consumer choice D. Encourage private property, free market pricing, competition, and consumer choice
*May 12, 2014*

**science**

The answers to the whole test are... 1.TRUE 2.B 3.D 4.C 5.A 6.C 7.D I got 100% on the test So yes all of these are correct XD *o*
*May 11, 2014*

**Math**

Last will of an eccentric lady reads: I bequest $1000 less then one half of my estate to my beloved red cat. I bequest $800 less then one third of my estate to my favorite striped cat. I bequest $600 less then one quarter of my estate to my darling black cat. All my money must...
*May 8, 2014*

**Chemistry**

2 SO3^-2 + 2 H2O + 2e- -> S2O4^-2 + 4OH-
*May 4, 2014*

**Math 2**

Jsjjfdj
*May 2, 2014*

**phys**

never mind i got it.
*May 1, 2014*

**phys**

A disk with a rotational inertia of 2.0 kg.m^2 and a radius of 0.40 m rotates on a frictionless fixed axis perpendicular to the disk faces and through its center. A force of 5.0 N is applied tangentially to the rim. The angular acceleration of the disk is:
*May 1, 2014*

**chem**

One mole of pentanol (C5H11OH) contains how many hydrogen (H) atoms?
*April 27, 2014*

**science**

Given the following reaction: CaC2 + 2 H2O C2H2 + Ca(OH)2 How many moles of Ca(OH)2 will be produced if 5.800 g of CaC2 are reacted completely?
*April 27, 2014*

**phys**

A wheel starts from rest and has an angular acceleration of 4.0 rad/s^(2). When it has made 10 rev its angular velocity is:
*April 27, 2014*

**Chemistry**

You added how may mols NaOH? That's M x L = mols. What final volume do you have. You added 18.01 mL and 10 mL so total volume is 28.01 mL. Convert that to L., then M = mols/L Do I do 0.1M x .01801L = 0.001801mols? Then do M = 0.001801mols/0.02801L? I'm a little ...
*April 25, 2014*

**Chemistry**

I am trying to complete a lab called Precipitation Titration of Cobalt Chloride. I've done the experiment and I got that if you combine 18.01mL of 0.1M NaOH with 10mL of CoCl2, the precipitate is forms. Now how do I calculate the concentration of the amount of NaOH I added...
*April 25, 2014*

**Health**

What are the barriers that prevent older people from diverse groups from accessing mental health care for depression?
*April 24, 2014*

**Physics **

What is the partial pressure of water on a day when the temperature is 25C and the relative humidity is 33% P=___Pa
*April 22, 2014*

**statistics**

Using the 95% level of confidence, what is the confidence interval for the proportion of households represented at a town meeting
*April 21, 2014*

**Calculus Please Need Urgent3 :/**

Find the derivative of the following function using the appropriate form of the Fundamental Theorem of Calculus. F(x)= (s^2)/(1+3s^4)ds from sqrtx to 1 F'(x)=? Thank you so much guys!
*April 19, 2014*

**Calculus Please Need Urgent2 :/**

Consider the function f(x) whose second derivative is f''(x)=8x+4sin(x). If f(0)=3 and f'(0)=2, what is f(x)? f(x)=??
*April 19, 2014*

**Calculus Please Need Urgent :/**

Find the most general antiderivative of f(x)=–8e^x–6secant^2(x) where -pi/2<x<pi/2 Note: Any arbitrary constants used must be an upper-case "C". F(x)=?
*April 19, 2014*

**Calculus Help Please!**

If f(x)=Integral (t^3+6t^2+4)dt from 0 to x then f''(x)=?
*April 19, 2014*

**PLEASE HELP!**

Let integral f(x)dx=9 from -6 to -1.5 integral f(x)dx=7 from -6 to -4.5 integral f(x)dx=4 from -3 to -1.5 A. Find integral f(x)dx from -4.5 to -3 B. Find integral (9f(x)-7)dx from from -4.5 to -3
*April 19, 2014*

**u,s history**

By the end of April 1975, which city fell to the North Vietnamese Army, leading to the unification of Vietnam?
*April 15, 2014*

**pol201**

Fletcher v. Peck
*April 13, 2014*

**math**

This year, 75% of the graduating class of Harriet Tubman high school had taken at least eight math courses. Of the remaining class members,60% had taken six or seven math courses. What percentage of the graduating class had taken fewer than six math courses?
*April 8, 2014*

**Programing**

for(int i=0; i<3;i++){ for(int j=0; j<3;j++){ x2[i][j]=x1[i][j];}}
*April 1, 2014*

**science(check answers)**

1.D 2.A 3.A 4.C 5.FALSE I got 100% So yes these are all correct XD *o*
*March 31, 2014*

**math**

If the consumption function is C = $200 billion + 0.6Y, (a) How much do consumers spend with incomes of $8.25 trillion? I got 5.2 trillion for this. (b) How much do they save? ??
*March 29, 2014*

**math**

(b) Round to nearest two decimal places.
*March 29, 2014*

**math**

Suppose you borrow $1,000 of principal that must be repaid at the end of two years, along with interest of 5 percent a year. If the annual inflation rate turns out to be 10 percent, (a) What is the real rate of interest on the loan? For this I got -5%. (b) What is the real ...
*March 29, 2014*

**Math**

A pile of gravel is conical in shape. If the diameter is approximately 6.8m and the height is 2.8m, what is the volume of gravel in the pile?
*March 28, 2014*

**statistics**

If there are 18 blue socks and 24 black socks what is the probability of pulling out 2 black socks?
*March 26, 2014*

**Math - Quadratics & Analytical Geometry**

I have a test tomorrow with a few sample questions that are expected to be on the test that I do not know how to properly do. 1)Find the slope intercept equation of the line passing through the intersection of the lines 2x-4y=1 & 3x+4y=4 and parallel to the line 5x+7y+3=0 2)...
*March 23, 2014*

**math**

Nice! Thank You
*March 19, 2014*

**math**

B(0,5) F(0,3) G(30,3) C(30,5) Find the area, Area BFGC =
*March 19, 2014*

**Science**

I would say gas. A gas moves around freely and has lots of energy.
*March 16, 2014*

**Chemistry**

The net reaction for fusion on a star like our Sun is: 4H(1,1) ==> He(4,2) + 2e(0,+1) Calculate the mass defect for this reaction. If one atom of He is formed this way, calculate the energy released. If one Kg of He is formed, calculate the energy released. The masses of ...
*March 16, 2014*

**cal**

Finding Partial Derivatives Implicitly. Find dz/dx and dz/dy for 3x^(2)z-x^(2)y^(2)+2z^(3)+3yz-5=0 How would you type this in wolfram alpha calcultor to get the answer? Thanks,
*March 15, 2014*

**grammar**

special nouns are abstract nouns like names of qualities,emotions or ideas
*March 6, 2014*

**Chem**

if 0.25L of gas is placed in a container at 500K and 104 kPa and the temp is increased to 750K and the pressure is increased to 120kPa what is the new volume of the gas
*March 6, 2014*

**basic excel**

Write one Microsoft excel formula that works for conditions below on cell C1 for any number: a) IF A1+B1<=4, return $20 b) IF A1+B1>4 but <=9, return $35 c) IF A1+b1>9 but <=14, return $50 d) And IF A1+B1>15, return $75
*March 3, 2014*

**Algebra**

Two positive numbers differ by 11. When the larger number is divided by the smaller, the quotient is 2 and the remainder is 4. what are the numbers
*February 28, 2014*

**Help me with this math ms sue.**

mystery person is correct I gotta 100 :)
*February 27, 2014*

**Math**

Jay b-3
*February 20, 2014*

**statistics**

.9772
*February 9, 2014*

**phys**

An object with an initial velocity of 12 m/s west experiences a constant acceleration of 4 m/s^2 west for 3 seconds. During this time the object travels a distance of:
*February 9, 2014*

**Math**

Find Curvature, find the curvature k of the curve, where s is the arc length parameter. r(s)=(3+s)i+j
*February 8, 2014*

**math vector**

Find the Principal unit normal vector to the curve at the specified value of the parameter. r(t)=ti+t^(2)j+lntk, t=1
*February 8, 2014*

**math vector**

r(t)=〈 2 sin t, 2 cos t, 4 sin^(2) t 〉 at the point (1, sqrt(3),1) For this it is t=pi/6 to (1,sqrt(3),1). Can you show me how it is t=pi/6?
*February 7, 2014*

**math vector**

How do you know that t=0 at (0,0,0)? How do you find it?
*February 7, 2014*

**math vector**

Find the unit tangent vector T(t) and find a set of parametric equations for the line tangent to the space curve at point P. r(t)=ti+t^(2)j+tk, P(0,0,0)
*February 7, 2014*

**math vectors**

Find the angle between two vectors. In radians and in degrees. u=<1,0,-3>, v=<2,-2,1> I got radians = 1.676 degrees = 96
*February 5, 2014*

**EASY Volume of shapes**

thanks for the help
*February 1, 2014*

**EASY Volume of shapes**

The right triangular prism has bases that are equilateral triangles. The height is 8 in and the side of the base is 5 in , what is the prism's volume?
*February 1, 2014*

**analytical chemistry**

92.76% purity
*January 26, 2014*

**business math**

Weekly pay: $253.07 Not married Exemptions: 3 What is the federal tax? $19
*January 22, 2014*

**Math**

A family has two cars. The first car has a fuel efficiency of 40 miles per gallon of gas and the second has a fuel efficiency of 30 miles per gallon of gas. During one particular week, the two cars went a combined total of 1250 miles, for a total gas consumption of 35 gallons...
*January 20, 2014*

**Math**

A family has two cars. The first car has a fuel efficiency of 40 miles per gallon of gas and the second has a fuel efficiency of 30 miles per gallon of gas. During one particular week, the two cars went a combined total of 1250 miles, for a total gas consumption of 35 gallons...
*January 18, 2014*

**Math**

The sum of two numbers is 53 . The larger number is 13 more than the smaller number. What are the numbers?
*January 18, 2014*

**English**

Circle the main idea and underline the controlling idea in each of the following topic sentences. 1. Exercising three times a week is the only way to maintain good physical health. 2. Sexism and racism are still rampant in today’s workplace. 3. Raising the legal driving ...
*January 18, 2014*

**Math**

Can you simplify a4 b + a2b3 please thank you.
*January 8, 2014*

**World History**

Nevermind, I got it :)
*January 2, 2014*

**World History**

Someone help me, please!
*January 2, 2014*

**World History**

What factors spurred the technological development during Western Europe in 1500-1750? Are there particular conditions that favor technological innovation?
*January 2, 2014*

**math**

4+5 times 6/2
*December 24, 2013*

**us history**

Thank you very much Ms. Sue for your help. =)
*December 7, 2013*

**us history**

African American troops in the Union army: A.were from the begining an itergral part of mnay fighting units. B.distinguished themeselves in battles in Louisiana. C. None of these I read first. And I came up with B. is this right.
*December 7, 2013*

**us history**

C.
*December 7, 2013*

**us history**

ALL the following accurately characterize the advantages of the North and South EXCEPT: a. The Union had far greater industrial capacity, more railroads and more ships. b. The South had far more usable food supplies than did the Union. c. The Union had four times more white ...
*December 7, 2013*

**us history**

Manassas
*December 7, 2013*

**us history**

The first major battle of the civil war took place at Vicksburg Manassas Antietam Shenandoah I chose Antietam. Right
*December 7, 2013*

**Philosophy**

The view that knowledge is impossible is: A. Rationalism B. Empiricism C. Skepticism D. Constructivism E. Cognitivism
*November 24, 2013*

**ENG**

What are two strategies for incorporating meaningful dialogue in the learning process of the online classroom?
*November 21, 2013*

**physic**

Suzie (of mass 58 kg) is roller-blading down the sidewalk going 36 miles per hour. She notices a group of workers down the walkway who have unexpectedly blocked her path, and she makes a quick stop in 2 . 4 seconds. What is Suzie’s average acceleration? Answer in units of...
*November 17, 2013*

**physics**

Suzie (of mass 58 kg) is roller-blading down the sidewalk going 36 miles per hour. She notices a group of workers down the walkway who have unexpectedly blocked her path, and she makes a quick stop in 2 . 4 seconds. What is Suzie’s average acceleration?
*November 17, 2013*

**science**

Hans stands at the rim of the grand canyon and yodels down to the bottom. He hears his yodel echo back from the canyon floor 5.20 seconds later. Assume that the speed of sound in air is 340.0m per second. How deep is the canyon? Hint: Note that the time is for the sound to ...
*November 7, 2013*

**Algebra 8th**

1a
*November 6, 2013*

**Economics**

The market equilibrium price for coffee beans in Ecuador is $2.75/pound, a price at which growers are unable to make a profit. Due to the lack of profits, many growers have stopped production and the output of coffee beans has fallen from 400 tons per year (capacity for the ...
*October 29, 2013*

**history**

Does Cortes' letter point out any possible problems with the use of primary source documents? Based upon the text, what are some examples of possible problems? Which is more reliable, a primary source or a secondary text?
*October 28, 2013*

**Chemistry**

A calorimeter contains 50.0 mL of water; both are at 21.2 degrees C. Then the 50.0 mL of water at 57.6 degrees C is added to the calorimeter. At equilibrium, the final temperature of the water and the calorimeter is 33.3 degrees C. Calculate the heat capacity, C, of the ...
*October 22, 2013*

**Chemistry**

the density of Fe2O3 is 5.343g cc. What is the mass volume concentration of iron in Fe2O3
*October 16, 2013*