Friday

December 2, 2016
Total # Posts: 717

**Math **

I am really confused.i don't understand.please help me figure this out W-8=26 W-8+_=26+_ W=_

*April 9, 2013*

**Math**

I am really confused

*April 9, 2013*

**Math**

R+11=19 r+11-_=19-_ r=_

*April 9, 2013*

**Math**

W-8=26 w-8+_=28+_. W=

*April 9, 2013*

**History pls help **

Which of the following nineteenth-century inventors is associated with Menlo park in New jersey A. Alexander Graham Bell B. Thomas Alva Edison C. Cyrus W. Field D. Gustavus F. Swift

*April 5, 2013*

**chemistry**

Would the following procedural errors result in an incorrectly high or low calculated percent NaOCl in commercial bleach solution? A student failed to allow the volumetric pipet to drain completely when transferring the diluted bleaching solution to the Erlenmeyer flask. I get...

*April 2, 2013*

**PLS HELP**

I think B is the answer if you are looking for an opinion because not everyone would agree that a pet should be owned by all people. "A" is a fact because every pet depends on it's owner for life because it has to be fed and watered; "C" is a fact ...

*April 1, 2013*

**chemistry**

Would the following procedural errors result in an incorrectly high or low calculated percent NaOCl in commercial bleach solution? A student failed to allow the volumetric pipet to drain completely when transferring the diluted bleaching solution to the Erlenmeyer flask. I get...

*April 1, 2013*

**chemistry**

How to calculate the molarity of commercial bleach

*April 1, 2013*

**science**

wordy numbers: 622-4463 (let it do the work)

*March 14, 2013*

**Health**

What is the Affordable Care Act? A. A program that allows people who are at lower risk for chronic diseases to gain free memberships to gyms and fitness facilities. B. A program that covers diet counseling for people who are at lower risk for chronic diseases like diabetes and...

*March 2, 2013*

**Maths **

If eight 5p coins weigh 26g how much does three 5p coins weigh?

*January 31, 2013*

**Accounting**

Holly County needs a new county government building that would cost $24 million. The politicians feel that voters will not approve a municipal bond issue to fund the building since it would increase taxes. They opt to have a state bank issue $24 million of tax-exempt ...

*January 31, 2013*

**Algebra**

2 over 5

*January 29, 2013*

**Chemistry**

Using Werner Hesienbergs uncertainty principle delta x >h/ (4pie*m*delta v) when mass of electron is 9.11x10^-31kg what is the uncertainty in the position of an electron moving at 9x10^6 m/s with an uncertainty of delta v= 0.01x10^6m/s

*January 14, 2013*

**math**

47 lbs=kgs give answer in decimal form

*December 23, 2012*

**Calculus**

Find the equation of the tangent line to the graph of 4y^2− xy − 3 = 0, at the point P=(1,1)

*December 9, 2012*

**Physical Science**

56000

*December 6, 2012*

**Chemistry**

Mr. DrBob222, would you mind explaining that a little more? I do not completely understand what is happening in the problem. Also, how do you know that Mg^2+ is half of OH^-?

*November 14, 2012*

**Math**

Jill made some cookies. Jill gave 1/4 of her cookies to Bob. Then Jill gave 1/2 of the remaining cookies to Joe. At this point, Jill had 18 cookies left. How many cookies did Jill have at first?

*November 7, 2012*

**science**

D=M/V D= 17/34 D= 1/2 or 0.5 g per cm

*October 23, 2012*

**math**

4(3)^2 = 4(9) = ?

*October 22, 2012*

**Math 8R - HELP! (homework qs. check)**

This is wrong. You were suppose to use the distributive property. Here, let me show you: -3(2+3x)+x-5 = -6+-9x+ x-5 Then, you combine like-terms: -6-5= -11 and then -9x+x= -8x Thus, your answer should be -11-8x. Hope I helped you a little bit.

*October 15, 2012*

**Language Arts**

No commas are needed around 1989.

*October 9, 2012*

**Science**

Strong.

*October 9, 2012*

**Math**

Assume that both Jane and Kathy start with 0 marbles. If Jane wins the first 15 games in a row, she will now have 15 marbles, and Kathy will have -15 marbles. This is because for ever game Jane wins, Kathy needs to hand over a marble. Jane cannot win anymore games. The goal ...

*October 3, 2012*

**math**

There are 6 people or hats in all. The key word in the problem is "in all".

*October 1, 2012*

**Earth science**

No. The sun is earth's source of energy.

*September 30, 2012*

**Algebra**

(9-4n)(-4)

*September 27, 2012*

**geometry**

loan officer

*September 25, 2012*

**Please help me!!!!!!!!**

this is due tonight

*September 25, 2012*

**Physics**

On some planet other than Earth a ball is thrown upward at a velocity of 22.3 m/s. It returns back to the exact position that it started at in 8.8s. What is this planets value for "g"? (

*September 25, 2012*

**Geography**

Formal are defined based on cold hard facts. Fuctional regions are organized around a focal point. Perceptional regions are reflected on human opinions.

*September 24, 2012*

**Physical education**

If you run almost everyday, then you will get use to it. I have P.E. since I was in kindergarten and now since I'm older I have to run a mile each Friday.

*September 24, 2012*

**Physics**

If a ball has an initial downward speed of 24 m/s, how far does the ball drop during the 4 s to 5 s interval?

*September 23, 2012*

**health**

Its D

*September 20, 2012*

**Math**

12 over 15 = Both can be divided by 3 so in simplest form, it would be 4 over 5 4 -- 5

*September 19, 2012*

**Math- INCOMPLETE**

What are the math problems?

*September 19, 2012*

**math**

Idiots. The answer was C [x = 1,600; y = 0], not B.

*September 17, 2012*

**Physics**

7. A cat pushes a ball from a 7.00 m high window, giving it a horizontal velocity of 0.20 m/s. How far from the base of the building does the ball land? (Assume no air resistance and that ay= g = 9.81 m/s2.)

*September 14, 2012*

**Math- INCOMPLETE**

What is the question?

*September 13, 2012*

**math**

advice to finding all the factors of 110

*September 11, 2012*

**Physics **

A record of travel along a straight path is as follows: 1. Start from rest with constant acceleration of 2.40 m/s2 for 14.0 s. 2. Maintain a constant velocity for the next 2.85 min. 3. Apply a constant negative acceleration of −8.39 m/s2 for 4.00 s. (a) What was the ...

*September 11, 2012*

**algebra**

Ops, Ms. Sue is right actually. I forgot to multiply 8 by 2

*September 8, 2012*

**algebra**

(x+8)2=32 2x+8=32 -8 -8 2x=24 divide each side by 2 x= ?

*September 8, 2012*

**Math**

Also, for the second one the rule is 8x+5. I think that is what Kerry J was referring to.

*September 7, 2012*

**Math**

You're welcome!

*September 7, 2012*

**Math**

For the first one, the rule is 4x-1. Plug the input into "x" and then check to see if you got the output right. Hope I helped!

*September 7, 2012*

**Math**

6 8/10 = 6 4/5

*September 6, 2012*

**Grammar**

No, and it should be "in new concepts."

*September 6, 2012*

**5th grade religion**

lay volunteers

*September 5, 2012*

**math**

let theta be an angle in quadrant three such that tan theta =6/5

*August 25, 2012*

**5th grade english**

is cactus already plural

*August 23, 2012*

**chemistry**

How much heat is needed to change 4.5g of water at 10degrees celcius into steam at 150 degrees celcius?

*August 21, 2012*

**Social Studies**

From the article I read on Wikipedia, I think it's C.

*August 15, 2012*

**Social Studies**

Maybe you could write something about the climate? Because kingdoms in the rain forest are more moist than the savanna kingdoms which are dry.

*August 14, 2012*

**Biology**

can you explain gametes and zygote of the kangaroo paw?

*August 12, 2012*

**language arts 2**

The only verb I see is "went".

*August 11, 2012*

**algebra**

I think this is how you solve it: 5x-14+28x =33x-14 Thus, 33x-14 is your simplified answer. Hope this helps!

*August 9, 2012*

**english**

I have not read the book before but from my view I think it's the first sentence.

*August 8, 2012*

**math**

Do you mean 'km' as in kilogram or kilometer? If you mean kilometer then it is not right because kilometer is measured in distances. Therefore, 1000 grams = 1 kilogram

*August 5, 2012*

**math**

No you cannot. It's already simplified as is.

*July 30, 2012*

**geography**

The Western Ghats.

*July 30, 2012*

**algebra**

-11 times 10 =-110 The do -11 times 6 = -66 Your simplified answer is: -110-66

*July 30, 2012*

**Math**

How I got the answer: 8+5+10+3= 26 Since there were 5 sets of numbers I did 35-26 (because 7 times 5 is 35) which is 9. So when you add them up, it would be : 8+5+10+3+9= 35 35/5 = 7 Therefore, the answer is 9. Hope this helps!

*July 28, 2012*

**Math**

The blurred out number is 9.

*July 28, 2012*

**check geo**

I believe that it's choice A.

*July 26, 2012*

**check geo**

What choice did you select?

*July 26, 2012*

**geometry**

You just add all the sides together: P= a+ b+c So when you substitute in the numbers it's P= 48+ 10+10 P= 68 cm

*July 25, 2012*

**English**

A countable noun are nouns we can count such as pen, coin, cup, plate, dog etc. An uncountable noun are subtances meaning like milk, electricity, gas, water, rice, music, love etc.

*July 23, 2012*

**math**

Add the two hours together.

*July 23, 2012*

**math**

You actually multiplied wrong, because 5*12.95= 64.75 not 64.92. The answer I got from the structure you wrote was $3.89 Thanks though! It really helped!

*July 22, 2012*

**math**

Ben purchased 5 shirts for $12.95 each. How much sales tax will he pay if the tax rate is 6%?

*July 22, 2012*

**physics**

A dad pushes tangentially on a small hand-driven merry-go-round and is able to accelerate it from rest to a frequency of 16 rpm in 11.5 s. Assume the merry-go-round is a uniform disk of radius 3.0 m and has a mass of 790 kg, and two children (each with a mass of 25 kg) sit ...

*June 21, 2012*

**physics**

An 85 kg football player traveling 4.7 m/s is stopped in 1.0 s by a tackler. What is the original kinetic energy of the player? (I tried using 1/2 m v^2 but that doesn't seem to be right. How do I manipulate the formula?) What average power is required to stop him?

*June 18, 2012*

**Social Studies**

yes

*June 1, 2012*

**Chemisty**

Write all possible quilibrium equations for KHP dissovled in water and then write the quilibrium constanst expressions for the equation.

*May 9, 2012*

**Psysics (Magnetism)**

A current-carrying wire is placed in a uniform magnetic field, but there is no magnetic force on it. How is this possible?

*April 24, 2012*

**physics**

An alpha particle (charge = +2.0e) is sent at high speed toward a gold nucleus (charge = +79e). What is the electric force acting on the alpha particle when the alpha particle is 1.7 multiplied by 10-14 m from the gold nucleus? N

*April 10, 2012*

**physics**

At the point of fission, a nucleus of 235U that has 92 protons is divided into two smaller spheres, each of which has 46 protons and a radius of 5.08 multiplied by 10-15 m. What is the magnitude of the repulsive force pushing these two spheres apart?

*April 10, 2012*

**physics**

Calculate the net charge on a substance consisting of a combination of 4.3 multiplied by 1013 protons and 2.5 multiplied by 1013 electrons.

*April 10, 2012*

**US History**

Got a question: On our class we have to write a research paper tracing the historical causation of a current event and the current event has to be with in a year! Can someone help me with suggestions?

*March 26, 2012*

**chem pH**

calculate the pH when 10 mL of .511 M sodium acetate and 20.00 mL of 0.350 M acetic acid

*March 23, 2012*

**chem**

calculate the pH of 0.25 M formic acid and 0.40 M sodium formate

*March 23, 2012*

**chem**

calculate the solubility of barium sulfate (Ksp=1.1x10^-10) in a) water b) a 0.10 M barium chloride solution help is GREATLY appreciated

*March 18, 2012*

**chemistry**

The answer should be (-6) (96.485 kj)(1.758) = -1017.72

*February 29, 2012*

**Chemistry**

Calculate the pH of an aqueous solution containing 3.8 10-2 M HCl, 1.0 10-2 M H2SO4, and 3.3 10-2 M HCN.

*February 28, 2012*

**Chemistry**

A 0.25 g sample of lime (CaO) is dissolved in enough water to make 1487 mL of solution. Calculate the pH of the solution

*February 28, 2012*

**history**

C) fought in a traditional manner

*February 2, 2012*

**Culinary arts **

What does the term coving mean?

*January 29, 2012*

**Math**

(-3x^-2)^-3 How would I solve this problem?

*January 12, 2012*

**Biology**

In an experiment designed to measure the distance a golf ball is hit by clubs made of different material, a standardized variable would be: A The distance the golf ball traveled B The type of material the club is made of C The material the golf ball was made of D The wind ...

*January 11, 2012*

**Biology**

The "Kingdom" is the most all inclusive taxonomic category True or False. I think it is true but not sure

*January 11, 2012*

**Physics**

The first one I believe is right except for the units. Since 2 ft/sec is just rule of thumb, it wouldn't count towards the change. That's just the information given so that 2ft/sec = 1 mile. If you have 145 miles, for every mile you're going 2 ft/sec. So you would ...

*December 28, 2011*

**Physics**

If you divide 765600 by 2 ft/sec you're going to still have a huge number. I don't think that's right somehow. I'm going to get a teacher's help today.

*December 28, 2011*

**Physics**

My computer is really slow and I've only been able to get it to work once...

*December 28, 2011*

**Physics**

I too am in VASTS... that's what I thought. The units would have to be converted first to feet to get an answer in ft/sec.

*December 28, 2011*

**Physical Science**

Thanks

*December 12, 2011*

**Physical Science**

Water boils at _______ 01 Kelvin. I put 373.15 but I don't know if it is right. Could someone please help me?

*December 12, 2011*