Friday

December 2, 2016
Total # Posts: 461

**Chemistry**

1)A solution prepared by adding 0.400 mol of acetic acid (pKa = 4.74) and 0.400 mol of sodium acetate to 100.0 mL of water. The pH of this buffer solution is initially 4.74. Predict the final pH when 55.0 mL of 1.10 M NaOH is added to solution 2) A solution prepared by adding ...

*December 1, 2016*

**Chemistry**

1)A solution prepared by adding 0.400 mol of acetic acid (pKa = 4.74) and 0.400 mol of sodium acetate to 100.0 mL of water. The pH of this buffer solution is initially 4.74. Predict the final pH when 55.0 mL of 1.10 M NaOH is added to solution 2) A solution prepared by adding ...

*December 1, 2016*

**English**

ok thank you so much, yah I think the exam papers are probably destroyed but I was very proud of myself for writing a very good story. Ill try because it is worth a shot, otherwise I'll rewrite it :)

*November 17, 2016*

**English**

I am currently attending college but I recalled a couple days ago of my provincial English exam that I took in gr 12. I had wrote a beautiful story in the essay and I really wanted it back but I don't know if that is possible since we only got our percent results back, not...

*November 17, 2016*

**pre calculus **

A rectangular parcel of land has an area of 4,000 ft2. A diagonal between opposite corners is measured to be 10 ft longer than one side of the parcel. What are the dimensions of the land, correct to the nearest foot?

*November 1, 2016*

**Pretty pleaaase Help**

ok thanks

*October 31, 2016*

**Pretty pleaaase Help**

the vibration of the jackhammer broke through the south-facing rock in under 10 seconds. ohhh ok this has to be the right answer

*October 31, 2016*

**Pretty pleaaase Help**

the hiker followed the north trail a distance of two kilometers in thirty minutes.

*October 31, 2016*

**Pretty pleaaase Help**

I didn't mean to sound rude.

*October 31, 2016*

**Pretty pleaaase Help**

thank can you help with this one I think it C Which example provides a complete scientific description of an object in motion? the vibration of the jackhammer broke through the south-facing rock in under 10 seconds. the hockey player sent the puck flying toward the north goal ...

*October 31, 2016*

**Pretty pleaaase Help**

I think it a

*October 31, 2016*

**Pretty pleaaase Help**

wait i mean a

*October 31, 2016*

**Pretty pleaaase Help**

I think the answer c please tell me if i'm wrong

*October 31, 2016*

**Pretty pleaaase Help**

As you watch a surfer ride a wave toward the shoreline, what is the shoreline. a. reference point b.distance being travled c.delta d.displacement refrence

*October 31, 2016*

**maths**

Relation b/w genetics and gp

*October 31, 2016*

**MATH HELP PLEASE**

If Indianapolis to Bloomington is 3cm on a map what is the actual length. These are the answers A.100 B.150 C.200 D.250 I think it is B

*October 27, 2016*

**Math**

So currently I'm at 65% out of 100 in the class... ?

*October 21, 2016*

**Math **

Please help!! This is a really weird question but I'm in a dilemma. My economics teacher doesn't post our marks online so idk what mark I'm actually at in his class. Can anyone help me figure out what percent I'm at right now if I give the following information...

*October 21, 2016*

**Math **

Please help!! This is a really weird question but I'm in a dilemma. My economics teacher doesn't post our marks online so idk what mark I'm actually at in his class. Can anyone help me figure out what percent I'm at right now if I give the following information...

*October 20, 2016*

**Math**

This is a really weird question but mom in a dilemma. My economics teacher doesn't post our marks online so idk what mark I'm actually at in his class. Can anyone help me figure out what percent I'm at right now if I give the following information ? He has: ...

*October 20, 2016*

**English **

Our instructor has asked us to read Alice Munros "fits" short story, I read it multiple times like 4 times and I'm really confused . Can someone explain what happened in the story cause I'm left with many questions in my mind but no answers . Did peg kill the...

*October 17, 2016*

**Econmocis**

I have 2 more questions that i don't know the answers to. please help :) 1. the chance that a society can actually achieve full employment is ________ percent. Select one: A. 1 B. 75 C. 10 D. 0 E. 45 2. Marquand says: Information technology has had its biggest impact on ...

*October 2, 2016*

**Management /economics**

I really don't understand some of the questions but i tried my best so my answers are : 1. A 2. E 3. A 4. B 5. E please check and help :) 1. The chance that a society can actually achieve full employment is ________ percent. Select one: A. 1 B. 75 C. 10 D. 0 E. 45 2. Viral...

*October 1, 2016*

**Management**

1. The chance that a society can actually achieve full employment is ________ percent. Select one: A. 1 B. 75 C. 10 D. 0 E. 45 2. Viral marketing can result in ________ when compared to traditional marketing. Select one: A. quicker consumer awareness and higher costs B. lower ...

*October 1, 2016*

**algebra**

three times a number, minus 6,is the same as two times a number, plus 3 find the numb

*September 20, 2016*

**Algebra**

Find the x and y intercepts of the equation 2x-5y= -10 So i got this x intercept is -5 and y intercept is 2

*September 12, 2016*

**Algebra**

Find the x and y intercepts of the equation 2x-5y= -10 So i got this x intercept is -5 and y intercept is 2

*September 12, 2016*

**Physics (College)**

A student rides her bicycle home from physics class to get her physics book and then heads back to class. It takes her 21.0 min to make the 12.8 km trip home and 13.0 min to get back to class. Calculate her average speed for the round-trip. Answer must be converted to km/h I ...

*September 7, 2016*

**farley**

A bread recipe calls for 1313 cup of butter. You want to make 1212 of a batch. How much butter do you need?

*September 6, 2016*

**Math College 115**

b) 0...1000 1...750 2...500 3...250 4...0

*September 4, 2016*

**Social Studies Help**

1. Why did the British want to expand control into the Ohio valley in the mid- 1700s? a. to force the French out of North America b. to put French settlers there under English rule c. to demonstrate Britain's strength to France and Spain d. to gain access to the region'...

*August 31, 2016*

**Math, Quadratic Equations**

A photograph measures 20cm by 16cm. A strip of constant width is to be cut off the top and one side of the photo, so the area is reduced to 60% of the area of the original photo. Find the width of the cut. Thank you so much!

*August 17, 2016*

**algebra**

I am trying to rationalize a denominator and it is a squre root, like this : squre root of x+1 , i don't know what to do ,cause it isn't just a number it is the whole expression. plz help

*August 6, 2016*

**Calculus**

Find the area under the curve of y=-2x+6 from x=0 to x=3 using 3 strips of equal length using right endpoints. I tried this equation before and my answer was 9 but my teacher said it was wrong? and I also posted this before and Someone who helped me got the same answer. So I&#...

*June 17, 2016*

**Calculus**

I had wrote 9 as my answer for this question when I had tried it myself last week and my teacher gave it back to me yesterday saying it was wrong, which is Y I was also confused and decided to post the question on here , I'm very confused ..

*June 17, 2016*

**Calculus **

Given the function 6x+3y=18, find the area under the curve from x=0 to x=3 using 3 strips of equal length using the right end points. I was working on this and so I made the equation equal to Y=mx+b form so it ends up being Y=-2x+6, and now I am completely confused.. Please ...

*June 17, 2016*

**Physics**

Sorry my friend and I are both working on this together haha :)

*June 7, 2016*

**Physics**

Thank you so much!! Would you mind explaining what the equations mean in #1? I know that Force= Mass x Acceleration, but what was the other equation?

*June 7, 2016*

**Physics **

I'm sorry this is kind of a long question. I've been staring at it for about an hour now and I have no clue where to even start. Thank you so much!!!! A student stands on a bathroom scale in an elevator at rest on the 64th floor of a building. The scale reads 836 N. 1...

*June 7, 2016*

**Math**

A nationwide survey showed that 65% of all children in the United States dislike eating vegetables. If 4 children are chosen at random, what is the probability that all 4 dislike eating vegetables? (Round your answer to the nearest percent.) The answer is 18% but how and why?

*May 27, 2016*

**Math**

If no digit can be used more than once, how many 5-digit numbers can be formed only using the numbers 3,8,1,2,5, and 7? A: 350 numbers B: 717 numbers C: 722 numbers D: 720 numbers I guessed the answer 720 and got it right but I don't know why the answer is 720. Can someone...

*May 27, 2016*

**math**

I am currently dealing with the Richter scale and I have this formula 200=0.02*10^1.5*6.4/0.02*10^1.5*x I just cannot get x,plz help

*May 15, 2016*

**math**

This question involves the Richter's scale and it goes like this: According to Richter's scale magnitudes of earthquakes can be obtained from the following formula: M=logE÷1.44-3.64 . E stands for the free energy of a 6.4 earthquake ,calculate the magnitude of ...

*May 11, 2016*

**Calculus**

Using l'hopitals rule, evaluate the following: Lim x-->infinity Inx/2(x)^1/2 Limx-->0 (1/x - 1/e^x -1) I tried both multiple times and I'm still not getting an answer. For the first one I tried l'hopitals rule 3 times and I'm still getting infinity over ...

*May 10, 2016*

**math**

a cross section of a basement is shaped like a trapaziod. it has an area of 37.4 square meters, one base is 6.4 meters and the other base is 12.3 meters long. what is the height of the cross section? is it 18.7 or 2? or am i wrong?

*May 5, 2016*

**math**

nevermind i didvided 9.35 by 2 but how did u get the 4?

*May 5, 2016*

**math**

what is the 9.35h from?

*May 5, 2016*

**math**

a cross section of a basement is shaped like a trapaziod. it has an area of 37.4 square meters, one base is 6.4 meters and the other base is 12.3 meters long. what is the height of the cross section? is it 18.7 or 2? or am i wrong?

*May 5, 2016*

**math**

is it -6 or 10?

*May 4, 2016*

**math**

evaluate |-8| + |2| does it mean 8 + 2?

*May 4, 2016*

**math**

i get 2

*May 4, 2016*

**math**

How can i factorize this? 8x^3+1

*May 2, 2016*

**math**

Well, with log150 it's log3+log(10)^2-log2 With log75 it is equivalent to log3+log(10)^2-log(2)^2 Hope this helped

*May 2, 2016*

**math**

keri bought a pen she paid with a 1$ bill this is the change she got how much did the pen cost

*May 2, 2016*

**Spanish**

The personal a is usually used when the direct objects are people or pets. It usually comes before the direct object that's a person. So the answer would be C, because your are talking about a person, "the friend of my mother." "Vi a la amiga de mi mama."

*May 2, 2016*

**Spanish**

¡¡¡Trabajo asombroso!!! You got them all right!

*April 21, 2016*

**Math**

Eric had 8 apples. He gave away 1/4 of them. How many apples did he give away?

*April 20, 2016*

**English**

I need to find John Venn's peers that were studying the same stuff as he was during the same time or any peers that helped John Venn. I reaserched and could only find George Boole but I knbow that there has to be more. Please help?

*April 6, 2016*

**Art History**

During the 1940s and 1950s, when non-representational art was considered the artistic “mainstream,” this artist departed from the trend by representing the female nude: Jackson Pollock Helen Frankenthaler Willem de Kooning Mark Rothko I think it is Willem de Kooning.

*March 27, 2016*

**Maths-Geometry(Loci)**

solve it urself

*March 11, 2016*

**Math**

So when the greater power is on top, the limit will equal infinity and when it's on the bottom then it will equal 0?

*March 8, 2016*

**Math**

So I just have basic questions about limits which I just need to clear up. So when I'm solving for a limit , when the greater exponent is on the top of the fraction ex: x^2+2x/x+1 then the limit will always =infinity? And how do u know when a limit = 0 ? I just don't ...

*March 8, 2016*

**Biology **

1.,you drink salty beverages (clams to) and eat pretzels all day. At the end of the day your weight is way up. Why? I think it has something to do with the fact that our cells shrink in size ? I have no clue? 2. Athletes drink Gatorade . Why? Given the description, tell the ...

*March 3, 2016*

**Biology**

1.,you drink salty beverages (clams to) and eat pretzels all day. At the end of the day your weight is way up. Why? I think it has something to do with the fact that our cells shrink in size ? I have no clue? 2. Athletes drink Gatorade . Why? Given the description, tell the ...

*March 2, 2016*

**Social studies**

What will a soilder at Valley Forge say in a letter to his family.

*February 26, 2016*

**Math**

If a small airplane weighs 10,000 pounds how many ounces does it weigh

*February 23, 2016*

**math**

The answer will be 21

*February 23, 2016*

**math**

Emily's baby brother spends 7/8 of his day sleeping.How many hours does his baby brother sleep?

*February 23, 2016*

**math**

Hazel is making chocolate milk. She added 1/4 cup chocolate syrup to 2/3 cup milk.How much chocolate milk did Hazel make?

*February 23, 2016*

**math**

If Brittney is making trays of fudge.Her recipe calls for 2/3 cup of walnuts for each batch of fudge .How many cups of walnuts does she need to make 27 batches of fudge?

*February 23, 2016*

**Math**

Thank you so much Reiny:)

*February 20, 2016*

**Math**

Find the derivative : F(x)=√x

*February 20, 2016*

**science**

3 Nitroglycerine is used as an explosive. The equation for the explosion reaction is: 4C3H5(NO3)3 ( l ) 12CO2 ( g) 1 10H2O ( l ) 1 6N2 ( g) 1 O2 ( g) a How many moles does the equation show for: i nitroglycerine? ii gas molecules produced? b How many moles of gas molecules are...

*February 19, 2016*

**science**

You burn 6 grams of carbon in plenty of air: C ( s) + O2 ( g) = CO2 ( g) a What volume of gas will form (at rtp)? b What volume of oxygen will be used up?

*February 19, 2016*

**Math**

Limit = x-->infinity 11x^5+4x^3-6x+2/6x^3+5x^2+3x-1 My work: After doing lots of work I got 11/x^2 +4 -6/x^2 +2/x^3 All over 6+5/x+3/x^2-1/x^3 So then I get 4/6 but the correct answer is supposed to be infinity.. I'm very confused

*February 16, 2016*

**Math**

Thank you so much:)

*February 15, 2016*

**Math**

The time T required to drive a fixed distance varies inversely as the speed r. it takes five hours at 60 mph to drive a fixed distance. how long would it take to drive the fixed distance at 40 mph?

*February 15, 2016*

**Math **

Write the following decimal in words:47.813

*February 9, 2016*

**science**

a target t lies flat on the ground 3m from the side of a building that is 10m tall, as shown above. a student rolls a ball off the horizontal speed with which the ball must leave the roof if it is to strike the target moest nearly?

*November 4, 2015*

**AP-Physics**

which of the following pairs of graphs shows the distance traveled versus time and speed versus for an object uniformly accelerated from rest?

*November 4, 2015*

**Spelling**

Wednesday

*October 21, 2015*

**Social Studies**

I don't ask my teachers because they take too long to answer and I'm homeschooled so that's why I asked on here :/

*October 21, 2015*

**someone please help**

someone please help explain or provide examples

*October 21, 2015*

**Social Studies**

nation state a and nation state b share a border. the two nation-states are arguing over immigration policies regarding the border. what are two ways that the nation-sates could resolve their dispute?

*October 21, 2015*

**math**

Partial i ment

*October 15, 2015*

**math**

What are the lartial products for 62×45? I don't get it is it like 60×5 nad 40×2? If not can u tell me?

*October 15, 2015*

**Chem **

During your lab , you are provided with a stock antibody solution (Ab) that has a concentration of 400 ug/ul . you are provided with 10 ul( amount of stock antibody ) and 90 ul( amount of buffer ) . find the final dilution factor and the final Ab concentration.

*October 15, 2015*

**reading**

So together? Like ening or just ing?

*October 14, 2015*

**reading**

1 what is the suffix for deafening? Is it ing? 2. What does lurch mean? Answer ASAP PLZ

*October 14, 2015*

**Physics**

A uniform 4m plank with a mass of 45 kg is supported at its ends by two ladders. Two 75 kg men are standing on the plank. One is 1 m from one end and the other is 1.5 m from the other end. Determine the forces exerted by the ladders.

*October 14, 2015*

**Physics**

A 75 kg man sits at one end of a uniform seesaw pivoted at its center, and his 24 kg son at the other end. Where would his 55kg wife have to sit to balance the seesaw?

*October 14, 2015*

**Math**

what's your question?

*October 7, 2015*

**Science**

need help now please map is in link above

*October 7, 2015*

**Science**

Which letter arrows point to hanging valleys? Which letter arrows point to aretes? Name a peak on the map that is a horn. Feature E on the map is composed of glacial till. What type of glacial feature is E, and how did it form? Explain how turquoise lake formed? file:///C:/...

*October 7, 2015*

**Social Studies**

Thank you!

*October 7, 2015*

**Social Studies**

List the ways power is distributed in the U.S federal government and ways that power is limited. (Help soon please)

*October 7, 2015*

**Social Studies**

Describe the main function of the U.S. federal government

*October 7, 2015*

**Social Studies**

Thanks

*October 7, 2015*

**Social Studies**

true or false the pilgrims coming to the united states to seek religious freedom shaped american identity

*October 7, 2015*

**math**

I think you have to find the unit rate which is 25 miles on 1 gallon of gas

*October 7, 2015*