Friday

February 5, 2016
Total # Posts: 50

**Math**

Suppose that 40% of all college students smoke cigarettes. A sample of 20 is selected randomly. What is the probability that at most a fourth of the students smoke?
*December 1, 2015*

**college algebra**

A rectangular auditorium seats 1920 people. The number of seats in each row exceeds the number of rows by 8. Find the number of seats in each row.
*February 3, 2015*

**econ 2110**

Suppose that we want to test whether the mean selling price of houses with is the same as the mean selling price of houses without a garage. We collect two samples and obtain the following information: Houses with garage Sample size: 71 Mean selling price (in thousands of ...
*September 19, 2014*

**Math**

what is the minimum distance (in feet) that a batter runs after hitting a home run at Yankee Stadium? Is it the same minimum distance at citi field (formerly Shea Stadium)? Is it the same at all professional ball parks?
*September 30, 2013*

**Chemistry**

Which precipitate should react when HCl is added? Give REASONS for your prediction. The anions i have are Co3 and SO4 i wrote none of them react with HCl. I dont know what to write for the reason though please help me woth this one. Thanks!!!!
*March 26, 2013*

**Chem**

1)Which cations should form soluble sulfate compounds from (Sodium, calcium, silver, copper 2)? 2) which anions should form precipitates with barium ions from (sulfate, carbonate and iodide?) 3) which anions should form precipitates with silver ions? Write net ionic equations ...
*March 26, 2013*

**Math**

An object suspended from a spring is oscillating up and down. The distance from the high point to the low point is 30cm, and the object takes 4s to complete 5cycles. For the first few cycles, the distance feom the mean position, d(t) centimetres, with respect to the time, t ...
*March 25, 2013*

**Chemistry**

1) What volume of 1.25 mol/L hydrobromic acid, HBr(aq) will neutralize 75.0 ml of 0.895 mol/L magnesium hydroxide Mg(OH)2(aq)? 2) a 25.00 mL sample of a nitric acid solution , HNO3(aq) is neutralized by 18.55mL of a 0.1750 mol/L sodium hydroxide, NaOH(aq) what is the ...
*March 20, 2013*

**english**

Hi! Director of Central London Hatcheries shows a group of young men around their facilities. Babies are grown in bottles (World State Society)Director shows the group the five castes: Alpha, Beta, Deltas, Gammes, Epilsons. The director shows how children are socially ...
*March 19, 2013*

**jiskha**

ok thx
*March 18, 2013*

**jiskha**

sorry have no bad intentions like others.
*March 18, 2013*

**jiskha**

no just I was curious cuz I am always in the bus for 1 hour so I study chem.. and then I always have questions. So, that's why.
*March 18, 2013*

**jiskha**

Lol, I have a quick question...If you don't mind. Do you hink jiskha will have thier own app one day? It's so tiring, because you need wifi right lol just curious.
*March 18, 2013*

**chem**

Please help me balance this equation: I just can't get it right. Do you have any strategy you use to solve such equation balancing if so please help me. Ba(ClO3)2(aq)+ Na3PO4(aq)-> Ba3(PO4)2(s)+NaClO3(aq) Thanks alot!!:)
*March 18, 2013*

**Accounting 202**

Jiskha doesn't do your hw for you. Any teacher on here will say that I suppose. Tryputting what you think of it first:) Im sure they will loveto answer your question after:)
*March 18, 2013*

**Math**

Make a circle on the right and label it baseball and make a circle in the left side and label it basketball. In the middle write play neither or both. And then just fill it..:) If this is not the way, I can't really think of any other way:(
*March 18, 2013*

**math**

The absolute value which means that it is just 7...forget the sign...in this case (-)..so |-7| = 7 Hope I helped you:)
*March 18, 2013*

**Grade 11 english**

Ur idea is preety cool but how do i ensure the next leader and how can i make them gove up thier freedom happily:(?? Will they
*February 28, 2013*

**Grade 11 english**

We fly?
*February 28, 2013*

**Grade 11 english**

But canada has to take the action i dont think us is allowed to help lol!!! Pkease help me more im stuck:(
*February 28, 2013*

**Grade 11 english**

I have a take over the world assignment to do.. Come up with a way to create a long term, stable dictatorship in Canada. However you have seen what happens in dictatorships when the population becomes dissatisfied. How are you going to ensure that the population remains ...
*February 28, 2013*

**equivalent fractions and the numberline**

Draw a number line to show that 3/4 and 6/8 are equivalent
*February 4, 2013*

**Pre-Algerbra**

I don't really understand this and my teacher at school is no help. Can anyone explain what I'm supposed to do here? ----- Atoms contain charged particles called protons and electrons. Each proton has a charge of +1, and each electron has a charge of –1. A sulfur ...
*October 17, 2012*

**Geometry**

If X = 5 units, Y = 2 units, and Z = 9 units, then what is the volume of the right triangular
*February 6, 2012*

**physics**

A block of mass 2.50 kg is pushed 2.40 m along a frictionless horizontal table by a constant 14.0 N force directed 25.0° below the horizontal. (a) Determine the work done by the applied force. 1 J (b) Determine the work done by the normal force exerted by the table.
*October 28, 2011*

**math**

what is the gcf of 215 and 125?
*March 25, 2011*

**math**

x+y=-4 what are the slope and y intercept?
*March 7, 2011*

**Math **

help me plz ms.sue
*November 9, 2010*

**Math**

What does the 2x stand for need this ASAP thanks
*May 11, 2010*

**11th grade**

The latent heat of vaporization of water is 540 calories/gram. How many calories are required to completely vaporize 500 grams of water?
*May 4, 2010*

**Statistics**

Two cards are drawn in succession from a standard deck of 52 cards without replacing the first one before the second. a) Are these outcomes are independent? Why? b) Find P ( 3 on 1st card and 10 on the 2nd card) c) Find P( 10 on the 1st card and 3 on 2nd card) d) Find the ...
*March 9, 2010*

**Mass Communication Studies**

Please provide at least one example of an appealing news lead from either a corporation or an organizations news rooms. Tell why the lead is appealing.
*February 5, 2010*

**Math**

An investment pays 6% compounded four times a year. How would you be able to find the annual growth factor and rate?
*December 6, 2009*

**Math**

-3.773
*November 4, 2009*

**Math**

Which temperature would be higher, -3.139 degrees Celsius or -3.773 degrees Celsius?
*November 4, 2009*

**Math**

The distance that light travels in 1 year (a light year) is 5.88x10^12 miles. If a star is 2.4x10^8 light years away, what is the distance to that star in miles? Answer in standard notation. I put the answer 1411200000000000000000 miles and it says I'm wrong. Can someone ...
*October 4, 2009*

**Communication Law Studies**

Thanks for the help!
*September 12, 2009*

**Communication Law Studies**

These are the theories I learned about that reflect this question. Absolutist theory, Ad hoc balancing theory, Preferred position balancing theory, Meiklejohnian Theory, Marketplace of ideas, Access theory, and Self-realization.
*September 12, 2009*

**Communication Law Studies**

How might a judge apply the different theories of Freedom of Speech and Freedom of Expression in attempting to stay within the precedents of the rulings of the Supreme Court when attempting to decide a case.
*September 12, 2009*

**7th Social Studies**

What school did the teachers hit the kids with a cane when they did not have their notes done or talked out of turn
*August 27, 2009*

**Biology**

What does orderly structure mean?
*August 27, 2009*

**Algebra Word Problem Help**

I got 2 more intense problems like this. Can someone show me the way for each step so I can follow along with the other problems I have to do? ThankS! A gardener has 40 feet of fencing with which to enclose a garden adjacent to a long existing wall. The gardener will use the ...
*August 3, 2009*

**Algebra Help**

I got 2 more intense problems like this. Can someone show me the way for each step so I can follow along with the other problems I have to do? ThankS! A gardener has 40 feet of fencing with which to enclose a garden adjacent to a long existing wall. The gardener will use the ...
*August 3, 2009*

**Algebra**

The problem has no parenthases. it is as follows sqrt3-x=x-1. So do we put parenthases automatically around the (3-x)? Thanks!
*July 8, 2009*

**Algebra**

Here is the problem sqrt3-x=x-1
*July 8, 2009*

**Algebra**

Solve the equation. Check all proposed solutions. Show work in solving and in checking. sqrt3-x=x-1
*July 8, 2009*

**Math**

Not too sure if that is correct. This is what I got. = (sqrt (5)4*(a (7/2)) 4) a3-8 =5(1/2)*4*a (7/2)*4*a3-8 =25 a14 a-5 =25 a9 Is this correct?
*June 26, 2009*

**Math**

Please Simplify: (root5 a^7/2)^4 a^3/a^8 I am having a hard time figuring where to start on this problem. Can someone please help me?
*June 26, 2009*

**10th grade**

what classes should i take in 10th grade?
*May 27, 2009*

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