Thursday

November 26, 2015
Total # Posts: 436

**Pysics**

A small motor runs a lift that raises aload of bricks weighing 836N to a height of 10.7m in 23.2s. assuming that the bricks are lifted with constant speed, what is the minimum power the motor must produce?
*March 15, 2010*

**Chemistry**

Sally is goint to determine the quantity of MgSO4 by titrating the Mg2+ ions using EDTA. What is the concentration of Mg2+ (in mmol/L) in the sample if it takes 22.9 mL of EDTA solution with concentration of 0.01108 mol/L to titrate 50.00 mL of the sample to the endpoint? Note...
*March 14, 2010*

**Chemistry**

The active ingredient of the antacid is CaCO3 and so Sally chose titration with HCl as a method for analysis. What is the mass (in g) of the CaCO3 in the sample of antacid, if it is titrated by 21.2 mL of HCl solution with concentration of 0.1048 mol/L to reach the endpoint?
*March 14, 2010*

**geometry**

thank you
*February 22, 2010*

**geometry**

it is only a square, no circle. the radius i am refering to is from the corner point to the midpoint of the square. and from the midpoint there is a line going straight down, thus forth a 45-45-90. it is like dividing a sqaure into 4 equal sections, each corner is in 1/4 of ...
*February 22, 2010*

**geometry**

what is the area of a regular quadrilateral (square) that has a radius of 10 square root of 2. The 10 square root of 2 is the x^2 (the hypotenuse) part of a 45-45-90.
*February 22, 2010*

**math**

B is the saner because 376 rounds to 380, 378 rounds to 380, and 384 rounds to 380.
*February 22, 2010*

**math**

thanks, just hope i get it right
*February 22, 2010*

**math**

what is 350m 60s 1km ? ____ X____ X _____ 1s 1min 1000m someone help me, i dont know how to do this problem.
*February 22, 2010*

**3rd grade math**

if you multiply me by 2 I become a number greater than 20 and less than 40. if you multiply me by 6, i end in 8 if you multiply me by 4 i end in 2
*February 18, 2010*

**11th grade-Amercain Lit**

I need some help editing this paper. Public’s right to know V.S You’re right to privacy When does the public right to know become unreasonable? Does an individual’s privacy become irrelevant when the public’s safety is concerned? When the public’s ...
*January 15, 2010*

**chemistry**

i have difficulty in this question. any help would be much appreciated. 1)CO(g)+2H2(g)->CH3OH(g) at 225c, K is 10.2 liter^2/mol^2. what concentration of CH3OH(g)is in equilibrium with CO(g) at a concentration of 0.020 mol/liter and H2(g) at a concentration of 0.020mol/liter?
*January 1, 2010*

**foreign language**

Sorry, into Spanish please..
*November 29, 2009*

**foreign language**

could you help me to translate this? It (the painting) sends the message that there is a deeper personality behind everyone than on the surface.
*November 29, 2009*

**Pre-Calc**

The Sweet Drip Beverage C. sells cans of soda pop in machines. It finds that sales average 26000 cans per month when the cans sell for 50cents each. For each nickel increase in the price, the sales per month drop by 1000 cans. Determine a function R(x) that models the total ...
*November 15, 2009*

**Please Help (Vista Laptop Assignment)**

Since I dont have a laptop with vista I'm not able to do this and Sra only gave me links to tutorials which kinda doesn't help me :( (but Iguess its the thought that counts.
*November 8, 2009*

**Vista Laptop Help**

Okay so I'd do this myself but I only have a desktop with Windows Vista and not a laptop so if anyone with a laptop that has Vista on it could please help me: 1. Open Windows Mobility Center and then mute the speakers. 2. Change the plan settings for the Balanced plan so ...
*November 8, 2009*

**math**

$37,500
*November 7, 2009*

**math**

if 25 is added to three times a number the result is 70.find the number?
*October 20, 2009*

**algbrea**

write this fration in lowest term 3 and 2 over 5
*October 20, 2009*

**albgrea**

multpty all the number toeghther to get the volume
*October 20, 2009*

**albgrea**

lenegthxwidthxheight
*October 20, 2009*

**albgrea**

find the volume of 2cm , 8 cm , 18cm
*October 20, 2009*

**albgrea**

a triangle has 525cm and a base of 50 cm use the formula a=1 over 2 bh to find its height
*October 20, 2009*

**math **

its a reactangle
*October 20, 2009*

**math **

find the perimator and area of 15yd and 20 yd
*October 20, 2009*

**Math**

Can you explain? I was thinking that d/10 would be the answer, since there are 10 dimes in a dollar. If the expression was 10d wouldn't that mean 10 dimes X 1 dollar?
*October 19, 2009*

**Math**

Keith wrote the expression 10d to represent the number of dimes in d dollars. Is Keith's expression correct? Explain.
*October 19, 2009*

**albgrea**

i having troublem understanding the steps in word problems
*October 16, 2009*

**albgrea**

an artist cuts a 17 ft piecce of wire into two pieces. one piece is 6 ft longer then the other. how long are the pieces?
*October 16, 2009*

**algbrea**

what is the number?
*October 16, 2009*

**algbrea**

translste the sentece into an equation and slove it.if 4 times a number is decreased by 9, the result is 19. find the number?
*October 16, 2009*

**math**

9th grade
*October 16, 2009*

**math**

write an algbric expression using x as the variable. 2 fewer than four times a number?
*October 16, 2009*

**algbrea**

how much did he lose?
*October 16, 2009*

**algbrea**

he wieghed 204 pounds?
*October 16, 2009*

**algbrea**

david gained 17 pounds over the winter. he went on a diet and lost 27 pounds. then he regained 5 pounds and weighed 177 pounds. how much did he weigh orignally?
*October 16, 2009*

**albrea**

= 48502
*October 16, 2009*

**albrea**

do i add
*October 16, 2009*

**albrea**

last year lein earned $1,700 more than her husband. toegther they earned $50,200. how much did each of them earn?
*October 16, 2009*

**math**

What does FOIL stand for in Math Like PEMDAS
*October 15, 2009*

**physics**

I may be wrong but P=F*v*cos(theta) so 500(23.0 m/s)(cos(0))= 500(23)(1) =11500W 1hp = 745.7W 11500W/745.7 = 15.42hp
*October 12, 2009*

**physics**

10.23
*October 6, 2009*

**2nd grade**

helping verb and linking verbs
*September 24, 2009*

**5th grade**

correct noun form please. bob know that he had to have the (earth's/earths) smell on him before the (horses/horses') would accept him.
*September 9, 2009*

**5th grade math**

Could someone explain what multiplication comparisons are? An example of the problem is: Northview bought 6 computers Southview bought 2 computers Using multiplication, compare the number of computers the two schools bought. Express the comparison 2 ways. Please help
*August 31, 2009*

**Calc**

"Find an equation for the set of points P(x, y, z) that are equidistant from the points A(1, 2, 3) and B(4, 0, 1)." Can some one help?
*June 3, 2009*

**english**

Part 1 Read each of the following sets of sentences and combine them into a single, compact sentence. This is an opportunity to make good use of your understanding of adverbs, adjectives, and prepositional phrases. For some questions, there is more than one possible answer ...
*April 9, 2009*

**Question For Bobpursley!**

Can you give me some examples for how to solve quadratic equations? It would really help!
*April 1, 2009*

**8th Grade Science**

water is most dense at 3.98 C (or 39.16 F)
*April 1, 2009*

**geometry**

ohhhhh thanks bobpursley! you really made it more clearer then we tried to! :P
*April 1, 2009*

**geometry**

no for the first one the surface area would be 17? Surface area= BH+BW+WH
*April 1, 2009*

**geometry**

wellit it is possible with B=0 and H=0 b is base and h is height. But i dont think having a 0 0 cube is possible! :)
*April 1, 2009*

**algebra**

then my answer should be right! :P
*April 1, 2009*

**algebra**

I got that doing ã(12/3) and ã(22/4)
*April 1, 2009*

**algebra**

i got 450.27991294?
*April 1, 2009*

**Algebra**

ohhhh sorry about that. i didnt see the negative, i thought it was positive. :(
*April 1, 2009*

**Algebra**

how do you square 2 and get 1/2?
*April 1, 2009*

**Algebra**

well we all got different answers but i think jose is right ;)
*April 1, 2009*

**Algebra**

4-2.89+16 answer= 17.11
*April 1, 2009*

**science**

ya i would go with that because duck would mean all the continents
*April 1, 2009*

**Science**

two memebers of the same species have the same niche but two different species cannot share the exact same niche in the exact same habitat
*April 1, 2009*

**Social Studies**

do you mean Phatons?
*April 1, 2009*

**social studies**

what does the quote " History, in brief is an analysis of the past in order that we may understand the present and guideour conduct into the future." Sidney Mead
*March 27, 2009*

**boa**

what does the quote " History, in brief is an analysis of the past in order that we may understand the present and guideour conduct into the future." Sidney Mead
*March 27, 2009*

**reading and languge**

what are the names of persuasion techniques
*March 23, 2009*

**Algebra: 8th Grade; Equation Check**

1/2 times Y plus 3 = 15 What is the value of the Y
*March 7, 2009*

**english**

I have to circle the simple subject,find the verb,decide if its right and if not I have to put the correct verb in its place. (subject-verb agreement) Across the grasslands sound the roar of the lions.
*March 4, 2009*

**Math**

i need your help
*February 4, 2009*

**Math**

input output 5 2 11 4 17 - 20 7 - 10 8 3
*February 4, 2009*

**social studys**

where did the three fifths compromise take place?
*January 29, 2009*

**math**

noooooo! you are not
*January 29, 2009*

**8th grade science**

so they both drop things
*January 29, 2009*

**8th grade science**

deer and dandolions are alike because the deer drops antlers and dandolions drop pedals
*January 29, 2009*

**social studys**

where did the three fifth compromise take place?
*January 28, 2009*

**biology**

Bromothymol blue (BTB) is a chemical that turns yellow in the presence of carbon dioxide. In the presence of oxygen, BTB stays blue. In his science class, Sanjay used BTB to test for the presence of those two gases in three situations. *Sanjay's Procedure* Sanjay labeled ...
*December 17, 2008*

**Chemistry**

Well I wrote the value .5 for the lowest temperatures but I think I will be able to use the equations you used anyway, thanks for the help!
*December 15, 2008*

**Chemistry**

Hey, for chemistry class we are given days in the lab to conduct an experiment, then answer a number of questions that correlate with that experiment and how we can make use of it. This week we looked at the Molar Fusion of Ice and there are some questions i don't quite ...
*December 15, 2008*

**Algebra**

First, combine like terms. 20+6-6=20 then, substract 6 from 20 20-6=14 then, 14/x. since its only an x, it is one. the final answer is x=14
*November 28, 2008*

**English**

I need to critique an opinion piece that must be more than six pages long. I'm having lots of trouble finding any such article. Everything I can find on the web is three pages or less. Any ideas?
*November 15, 2008*

**physics**

96.94
*November 11, 2008*

**Spanish Homework Help (English Included)**

Here is my homework help with the English of what I want to say attached to it. Thanks, Sramcgin! Esta semana, estoy muy triste. I don' t tiene gusto de considerar a inmigrantes ilegales el invadir de mi país. Estoy aprendiendo español de modo que pueda ...
*September 16, 2008*

**Spanish Homework**

Please help me correct my paragraph for spelling, punctuation, sentence structure, and grammar! Mucho gracias! Esta semana, estoy muy triste. I don' t tiene gusto de considerar a inmigrantes ilegales el invadir de mi país. Estoy aprendiendo español de modo ...
*September 15, 2008*

**Spanish Homework Help**

Can anyone help me with my Spanish homework?
*September 15, 2008*

**math**

A pizza place has 5 different toppings. How many different pizzas can be made using a combination of 3 toppings per pizza
*September 7, 2008*

**Mathematics**

A pizza place has 5 different toppings--how many different pizza combinations can be made using 3 toppings per pizza?
*September 7, 2008*

**chemistry**

what type of reaction is 2KCLO3+heat-2KCL+3O2
*July 17, 2008*

**algebra2**

9x(squared)+3x+16=0 factoring quadratic equations
*May 15, 2008*

**spelling**

i need a sentence for session and convulsion
*March 13, 2008*

**world history**

were the latins the most important group of people to settle in the German region
*February 25, 2008*

**english**

what is a good grammar important out the college /
*January 22, 2008*

**Linguistcs**

It has four meanings. i. I cannot recommend professors, who are only visiting, highly enough. They're wonderful. ii. I cannot recommend professors who are only visiting. They suck. iii. I cannot recommend visiting one’s professor too highly. It’s wonderful. iv. I...
*December 12, 2007*

**Algebra**

Thanks you! You made it seem so easy.
*December 4, 2007*

**Algebra**

I'm having trouble tunring 5 3/11 into a decimal. Can you explain it to me?
*December 4, 2007*

**Math Essay**

Can some one please do the essay or give me a website that writes custom essays Introduction Over the last thirty years, tuition at public 4-year colleges has increased by about 50%, and tuition at private 4-year colleges has increased by a whopping 110%! Where do you plan on ...
*September 19, 2007*

**world history**

Payment for war damages is called reparations. True False
*September 18, 2007*

**world history**

Contraband is war materials supplied by a neutral nation to a belligerent nation. True False
*September 18, 2007*

**world history**

Violence against innocent people to accomplish the political ends of a group or government is called chaos. True False
*September 18, 2007*

**world history**

Surrealism is the theory that plant and animal life developed from common ancestors over millions of years. True False
*September 18, 2007*

**world history**

One reason the Irish wanted homerule was the great number of high yield potato crops that occurred in the mid-1800s. True False
*September 18, 2007*