Sunday

March 29, 2015

March 29, 2015

Total # Posts: 3,369

**algebra**

Perform the given set operation. Let U = {1,2,3,4,5,6,7,8,9,10}. Enter the answer as a comma-separated list. Enter EMPTY for the empty set. {3,7,9,} with a bold line over the top
*April 19, 2014*

**geometry**

two concentric circles with center E, AB = 40 CD = 24, CD is perpendicular to AE, and AB is tangent at C. FInd AF AB is chord in big circle. CD is chord in little circle and C is center of AB.
*April 13, 2014*

**math**

If a person currently consumes 3,500 calories per day and wants to cut back their daily amount by 250 calories each week, how many weeks will it take to reduce their daily caloric intake in half?
*April 10, 2014*

**Business**

Is this a better way to ask the question- Do you know what the 5 OMM costs of a resturant would be. I know what the 5 OMM costs are (raw materials and components costs, plant costs, labor costs, inventory costs, and distribution costs) but i am having trouble putting in a ...
*April 9, 2014*

**Business**

What are the 5 OMM costs of a restaurant?
*April 9, 2014*

**Math**

Can someone show me a model of what 8 divided by 0.3 would look like? Thanks
*April 8, 2014*

**Social Studies**

Read the speech below. It is a fictitious political speech by Peter, a candidate for the upcoming national election. Then answer the following questions: List all of the arguments in the speech List all of the non-arguments in the speech List all of the factual contents in the...
*April 4, 2014*

**Math**

The three interior angles of a triangle are in a 1:3:6 ratio. Find the measure of the largest angle?
*March 25, 2014*

**Enghish Identify pronoun errors**

Identify the type of pronoun error in the sentence. 1 Neither of we boys was going to the ball game. A)reference B)case C)agreement 2)The papers are on the desk that I corrected. A)reference B)case C)agreement 3)The traffic pattern on the new road is slowed down by too many ...
*March 25, 2014*

**Enghish Identify pronoun errors**

1)No one is expressing their opinion. A)reference B)case C)agreement 2)They say we will not be able to afford to own houses in a few years. A)reference B)case C)agreement 3)The pronoun those is an interrogative pronoun used with singular nouns .True/False
*March 25, 2014*

**Enghish Identify pronoun errors**

The traffic pattern on the new road is slowed down by too many traffic lights and left turns .It has to be improved A)reference B)case C)agreement A
*March 25, 2014*

**Enghish Identify pronoun errors**

Identify the type of pronoun error in the sentence. 1 Neither of we boys was going to the ball game. A)reference B)case C)agreement 2)The papers are on the desk that I corrected. A)reference B)case C)agreement 3)The traffic pattern on the new road is slowed down by too many ...
*March 25, 2014*

**Physics**

Two boxes of mass 7.40 and 7.00 kg are in contact and are accelerated across a horizontal surface by an force of 51.49 N applied parallel to the surface and pushing on the lighter box. The magnitude of the frictional force between the surface and the lighter mass is 9.26 N and...
*March 20, 2014*

**MATH**

BRIANNA HAS 4 PINK BRACELETS
*March 19, 2014*

**MATH**

1/8 OF TONY'S BOOKS ARE MYSTERY BOOKS
*March 19, 2014*

**math**

1/8 of Tony's are mystery books he had3 mystery books. How many books does he have in all?
*March 18, 2014*

**Statistics**

Determine the minimum sample size required in order to be 95% confident that our estimate is within 4% of the true percent of all US households using e-mail. Assume no prior estimate available.
*March 17, 2014*

**English**

who sound overconfident
*March 17, 2014*

**English**

If you drop your cell phone in water,
*March 17, 2014*

**English**

People who sound overconfident usually aren't. a. Adjective b. Adverb c. Noun
*March 17, 2014*

**English**

If you drop your cell phone in water, it is no longer covered by the warranty. a. Adjective b. Adverb c. Noun
*March 17, 2014*

**chemistry **

Calculate the pH for the hydrogen half-cell of the following voltaic cell if the observed cell voltage is 1.00 V. Mn|Mn2+(1.00 M)||H+(pH =?), H2(1.00 atm)|Pt
*March 15, 2014*

**Chemistry**

In a bomb calorimeter, a 6.50 g sample of octane (C8H18) is combusted. The combustion enthalpy for octane is -5.45 MJ per mol C8H18. The temperature change of the calorimeter is 16.5 oC. What is the heat capacity of the calorimeter?
*March 14, 2014*

**Math**

thank you
*March 5, 2014*

**Math**

In a recipe, we use 6 ounces of salt,32 ounces of butter and 48 ounces of flour. Write a reduced ratio for the quantity of butter to the quantity of flour,in a fraction form.
*March 5, 2014*

**Trig**

How do you solve this problem? y = 2sin 3x + 4sin 2x I haven't done these types of problems for awhile and have forgotten how to do them.
*March 5, 2014*

**4th grade math**

6/8=12/16so Mary shaded more
*March 4, 2014*

**Physc**

A symmetric projectile spends a total of 20 seconds in the air. It reaches a peak height of 8 meters. HOw long it takes to reach its peak height? The projectile has a range of 80 meters.What is its horizontal velocity? What is the projectile's horizontal acceleration? What...
*March 4, 2014*

**Science**

Which of the following is an impact of increased ocean acidification as caused by global climate change?
*March 4, 2014*

**AMERICAN HISTORY**

IN WHICH OF THE FOLLOWING COLONIAL WARS DID THE AMERICAN COLONIST CAPTURE THE FORT AT LOUISBOURG AND BEGIN TO CRAVED DOMINATION OVER THE ENTIRE WESTERN REGION THAT INCLUDES THE OHIO VALLEY A.QUEEN ANNES WAR B.KINGS GEORGES WAR C.KING WILLIAMS WAR D.WAR OF SPANISH SECESSION
*March 2, 2014*

**Algebra**

please solve 27750.00 +200 x=312.50
*March 1, 2014*

**MATH**

Brandon has a 55-gallon fish tank. He estimates he can drain the tank at an average rate of 11 gallons per minute. In a linear model of this situation, x represents the number of minutes the tank has been draining. Relative to this situation, what does the y-intercept ...
*March 1, 2014*

**math**

1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X - Y) ∪ (Y - X) = (X ∪ Y) - (X ∩ Y) Prove the following: -for all sets A,B and C, if A - (B ∩ C) = ∅ then A- C ⊆ B - for all sets A,B and C, if A ⊆...
*February 27, 2014*

**math**

1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X - Y) ∪ (Y - X) = (X ∪ Y) - (X ∩ Y) Prove the following: -for all sets A,B and C, if A - (B ∩ C) = ∅ then A- C ⊆ B - for all sets A,B and C, if A ⊆...
*February 27, 2014*

**math. Somebody help urgently please**

1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X - Y) ∪ (Y - X) = (X ∪ Y) - (X ∩ Y) Prove the following: -for all sets A,B and C, if A - (B ∩ C) = ∅ then A- C ⊆ B - for all sets A,B and C, if A ⊆...
*February 27, 2014*

**Somebody please help urgently!**

1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X - Y) ∪ (Y - X) = (X ∪ Y) - (X ∩ Y) Prove the following: -for all sets A,B and C, if A - (B ∩ C) = ∅ then A- C ⊆ B - for all sets A,B and C, if A ⊆...
*February 27, 2014*

**URGENT HELP WITH DISCRETE MATH PLEASE**

1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X - Y) ∪ (Y - X) = (X ∪ Y) - (X ∩ Y) Prove the following: -for all sets A,B and C, if A - (B ∩ C) = ∅ then A- C ⊆ B - for all sets A,B and C, if A ⊆...
*February 27, 2014*

**URGENT! discrete math help please**

1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X - Y) ∪ (Y - X) = (X ∪ Y) - (X ∩ Y) Prove the following: -for all sets A,B and C, if A - (B ∩ C) = ∅ then A- C ⊆ B - for all sets A,B and C, if A ⊆...
*February 27, 2014*

**math help**

1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X - Y) ∪ (Y - X) = (X ∪ Y) - (X ∩ Y) Prove the following: -for all sets A,B and C, if A - (B ∩ C) = ∅ then A- C ⊆ B - for all sets A,B and C, if A ⊆...
*February 27, 2014*

**math **

1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X - Y) ∪ (Y - X) = (X ∪ Y) - (X ∩ Y) Prove the following: -for all sets A,B and C, if A - (B ∩ C) = ∅ then A- C ⊆ B - for all sets A,B and C, if A ⊆...
*February 26, 2014*

**discrete math help please**

1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X - Y) ∪ (Y - X) = (X ∪ Y) - (X ∩ Y) Prove the following: -for all sets A,B and C, if A - (B ∩ C) = ∅ then A- C ⊆ B - for all sets A,B and C, if A ⊆...
*February 26, 2014*

**math**

1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X - Y) ∪ (Y - X) = (X ∪ Y) - (X ∩ Y) Prove the following: -for all sets A,B and C, if A - (B ∩ C) = ∅ then A- C ⊆ B - for all sets A,B and C, if A ⊆...
*February 26, 2014*

**Physics**

Consider the earth following its nearly circular orbit (dashed curve) about the sun.(Figure 2) The earth has mass mearth=5.98×1024kg and the sun has mass msun=1.99×1030kg. They are separated, center to center, by r=93millionmiles=150millionkm. What is the size of ...
*February 25, 2014*

**discrete math help please**

1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X - Y) ∪ (Y - X) = (X ∪ Y) - (X ∩ Y) Prove the following: -for all sets A,B and C, if A - (B ∩ C) = ∅ then A- C ⊆ B - for all sets A,B and C, if A ⊆...
*February 25, 2014*

**6th grade social studies**

the second one is: citan - a linen tunic or under garment. (is a vocabulary of Hebrew, arabic and persia) Good luck.
*February 24, 2014*

**6th grade social studies**

I am not sure but i think the first part is: djinnie - ( persian veil and tiara). The word Djinnie is an arabic word of persian origin. As soon as i figure out the other word, i will post the answer. Hope this helps.
*February 24, 2014*

**accounting**

Cash flow information: Direct and indirect methods The comparative year-end balance sheets of Sign Graphics, Inc., revealed the following activity in the company's current accounts:
*February 23, 2014*

**math**

Thanks
*February 19, 2014*

**math**

Two business partners, Ellen and Bob, invested money in their business at a ratio of 3 to 7. Bob invested the greater amount. The total amount invested was $200. How much did each partner invest.
*February 19, 2014*

**Geometry HELP HELP **

Find the equation of a circle circumscribes a triangle determined by the line y= 0 , y= x and 2x+3y= 10 PLEASE HELP ME BELLS
*February 18, 2014*

**chemistry**

how many moles of vapor can be produced for 52 g of O2
*February 17, 2014*

**GEOMETRY CIRCLES EQUATION**

Find the equation of a circle circumscribes a triangle determined by the line y= 0 , y= x and 2x+3y= 10
*February 17, 2014*

**Geometry Circles Equation**

Find the equation of a circle circumscribes a triangle determined by the line y= 0 , y= x and 2x+3y= 10 I beg you
*February 17, 2014*

**geometry circles equation i dont know **

please he lp Find the equation of a circle circumscribes a triangle determined by the line y= 0 , y= x and 2x+3y= 10 this is my first timein this website please help me need it badly my teacher will be angry at me so much
*February 17, 2014*

**help **

how to post a link with jksha knowing ?
*February 17, 2014*

**chemistry**

A 25.0-ml sample of 1.00M KBr and a 75.0-ml are mixed. The solution is then heated to evaporate water until the total volume is 50.0 ml. What is the Molarity of the KBr in the final solution
*February 9, 2014*

**math**

1421/7=
*February 7, 2014*

**math**

which is the best estimate for (6.3x10-2) (9.9x10-3) written in scientific natation
*February 3, 2014*

**PHYSICS**

A proton, initially traveling in the +x-direction with a speed of 5.30×105m/s , enters a uniform electric field directed vertically upward. After traveling in this field for 4.38×10−7s , the proton’s velocity is directed 45 ∘ above the +x-axis. ...
*January 28, 2014*

**Business law**

Ashley sees a maintenance crew from Acme Co. beginning to resurface her driveway, a service she has not contracted for. Ashley thinks a new driveway would be good, so she doesn’t say anything. If Acme sues Ashley for the value of the resurfacing, (Points : 1) Ashley wins...
*January 26, 2014*

**Social Studies**

Omg.. yea. I got it right! Thanx
*January 23, 2014*

**Social Studies**

OH. Is it d then?
*January 23, 2014*

**Social Studies**

Which of the following was NOT true of the Battle of New Orleans? a. It was a decisive victory. b. It signaled a change in strategy for the British. c. It made future president Andrew Jackson a hero.* d. It was fought after the peace agreement between the Americans and the ...
*January 23, 2014*

**Social Studies**

Thanx a bunch Ms. Sue! :^D
*January 23, 2014*

**Social Studies**

Which battle convinced the British to stop fighting in America? a. Plattsburg* b. Tippecanoe c. Lake Erie d. Fort Mc.Henry
*January 23, 2014*

**Math**

Oh crap... Well, idk what is is then! :( Sorry
*January 23, 2014*

**Math**

Is that on a coordinate plane?
*January 23, 2014*

**Math**

I might no.. idk yet XD
*January 23, 2014*

**More Language Arts**

Thanks, Kitty! XD
*January 23, 2014*

**More Language Arts**

Identify what the sentence is: The bicycle path winds through the city *that is 40 miles long* a.Simple sentence b.Noun clause c.Misplace modifier* d.Adverbial clause
*January 23, 2014*

**More Language Arts**

Help
*January 23, 2014*

**Language Arts**

:D Thanx again!
*January 23, 2014*

**Language Arts**

Identify which sentence this is: The woman *who one the cookie competition* is my mother. Subordinate Clause Adjectival Clause Independent Clause Adverbial Clause I would say it's Subordinate.
*January 23, 2014*

**college physics**

Are you Daniel Spry?
*January 23, 2014*

**EARTH SCIENCE**

hey I'm from there
*January 23, 2014*

**EARTH SCIENCE**

Well, that's ridiculous... I'm sorry! But those answers would make sense..
*January 23, 2014*

**EARTH SCIENCE**

#1 is A #3 is D idk about #2
*January 23, 2014*

**Language Arts**

Thanx!!
*January 23, 2014*

**Language Arts**

Alright... umm. Is it A?
*January 23, 2014*

**Language Arts**

* Singing loudly in the shower* is what Jessica loves to do every morning. gerund phrase participial phrase appositive phrase prepositional phrase My answer is C.
*January 23, 2014*

**Ms. Sue please help!!**

To which sense does the phrase "staggering under the weight of their packs" appeal? 1.)Sound 2.)Smell 3.)Touch 4.)Sight* I saw somebody put "touch" but idk the answer.
*January 23, 2014*

**intro to computers**

what type of device is characteristic of an enterprise environment? a workstation used by a retired person. a workstation used at an engineering firm. a tablet computer used by an elementary school student a notebook used by a college student
*January 21, 2014*

**algebra**

I need to graph z= 3f^0 should I count 3 marks on the vertical line from zero?
*January 18, 2014*

**math **

Jamal buys 59 stickers. Stickers come in packs of 5 or 8. How many packs of 5 stickers does Jamal buy? 8 stickers?
*January 18, 2014*

**science**

I may have an idea I think it would be A.
*January 16, 2014*

**Social Studies**

What are some weaknesses of a gallus gladiator?
*January 15, 2014*

**math**

decimals to fraction 8 1/3 to the lowest terms
*January 15, 2014*

**Calculus**

correction its f(x)=(x^2)-1 not f(x)=(x^2)-a
*January 13, 2014*

**Calculus**

For what value of a is f(x)=(x^2)-a x<3 f(x)=2ax x(> or =)3 continuous at every x?
*January 13, 2014*

**calculus**

Y=2x^3-16x^2+64x+1
*January 13, 2014*

**Biology**

what would be a good starting sentence for a hypothesis "why do some people have similar dominant traits?"
*January 12, 2014*

**Chemistry**

Consider the reaction 2 Al2O3(s) → 4 Al(s) + 3 O2(g). ∆H = +3339.6 kJ/mol What is the change in heat when 0.455 L of a 3.60 M Al solution reacts with excess O2 ?
*January 10, 2014*

**health care administration**

Why is uniform benchmark measurement a challenge to healthcare
*January 8, 2014*

**Pre Calculus**

Find the exact value of sin(1/2arcsin(-7/25))
*January 8, 2014*

**MATH**

Find the exact value of sin(1/2arcsin(-7/25))
*January 8, 2014*

**Math**

Arnold started getting an allowance at his tenth birthday. Each month he got three times as many dollars as he was years old. If he saved 25% of his allowance, how much money would he have saved by the day before his 18th birthday? I got 972 but the way I did it was too ...
*December 13, 2013*

**Math**

Let S be the number of perfect squares among the integers from 1 to 20136. Let Q be the number of perfect cubes among the same integers. What is the relationship between S and Q?
*December 13, 2013*

**Math**

When 14 is divided by 5, the remainder is 4. When 14 is divided by a positive integer n, the remainder is 2. For how many different values of n is this possible. Is listing it out the only way?
*December 13, 2013*

**Math**

Arnold started getting an allowance at his tenth birthday. Each month he got three times as many dollars as he was years old. If he saved 25% of his allowance, how much money would he have saved by the day before his 18th birthday
*December 13, 2013*

**Math**

oh i see now?
*December 12, 2013*

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