Friday

December 9, 2016
Total # Posts: 887

**CHEMISTRY HELP PLEASE!!!**

The solubility of AgCl(s) in water at 25 C is 1.33x10^-5 M and its delta H of solution is 65.7 kJ/mol . What is its solubility at 60.1 C ?

*March 23, 2013*

**Math 112**

Can you use the numbers 1-9, along with any math symbols and operations, to arrive at the answer of 100 when the 6 and 9 have a negative sign in front of them

*March 21, 2013*

**math**

an adult whale weighs 120 tons. a baby blue whale weighs 1/40 of the weight of the adult blue whale. how many pounds does the baby blue whle weigh?

*March 17, 2013*

**physical science**

I DON'T KNOW THE ANSWER

*February 17, 2013*

**math**

A number is chosen at rendom from 1-50. Find the probability of selecting numbers greater than 19.

*February 4, 2013*

**Grade 10 Math**

The Brooklyn Bridge in New York City is a suspension bridge that crosses the East River and connects Brooklyn to the island of Manhattan. If the origin is placed at the top of one of the cable suport towers, as shown, the shape of a cable that supports the main span can be ...

*February 3, 2013*

**Math**

Thank you!

*February 2, 2013*

**Math**

Graph the polygon and give the specific name for the polygon. A(-1,-2),B(0,3),C(1,-2)

*February 2, 2013*

**Spanish;CHECK?**

State whether the command is formal ("Ud.") or informal ("tú"). Come la sopa. Anwser: Formal Hable más despacio. Anwser: Formal No compres más ropa. Answer: Formal Beba m�s agua. Answer: Informal No vengas tarde. Answer: Informal

*January 23, 2013*

**calculus**

A forest is burning in a valley. it is estimated that if the fire burns for h hours, the cost of the lost timber is 1000h dollars. They estimate that x firefighters can stop the fire in 3600/x hours. The cost for each firefighter is $20 (transportation)plus $25 per hour (...

*January 4, 2013*

**calculus**

A forest is burning in a valley. it is estimated that if the fire burns for h hours, the cost of the lost timber is 1000h dollars. They estimate that x firefighters can stop the fire in 3600/x hours. The cost for each firefighter is $20 (transportation)plus $25 per hour (...

*January 4, 2013*

**calculus**

consider g(x)= {a sin x + b, if x ≤ 2pi} {x^2 - pi x + 2, if x > 2pi} A. Find the values of a a b such that g(x) is a differentiable function. B. Write the equation of the tangent line to g(x) at x = 2pi. C. Use the tangent line equation from part B to write an ...

*January 4, 2013*

**calculus**

A particle is moving along the x- axis so that its velocity at any time t ≥0 is give by v(t) = (2 pi - 5)t - sin(pi t) A. Find the acceleration at ay time t. B. Find the minimum acceleration of the particle over the interval [0,3]. C. Find the maximum velocity of the ...

*January 4, 2013*

**Earth science **

Review the 1906 Quake that hit San Francisco and answer the questions below. 1. San Francisco is found to have been constructed on several large strike-slip faults. If these faults become active, what specific type of damage (based on the type of fault involved) would you ...

*January 3, 2013*

**science**

What are the major parts of science?

*December 17, 2012*

**Spanish;CHECK?**

Check: Comprensión ¿En qué siglo los conquistadores conquistaron América? ¿Cómo se llama la capital antigua de Perú? ¿Qué animal fue importante para el éxito de los conquistadores? ¿Cuál pa&...

*December 17, 2012*

**Spanish;CHECK?**

Please check; Answers on bottom: Preterite vs. imperfect 1? A. Choose between the preterite or the imperfect. 1. We wanted to buy the car. QuisimosQueríamos comprar el auto. 2. The man refused to speak. El hombre no quisono quería hablar. 3. They found out the ...

*December 17, 2012*

**Spanish**

CHECK? ANswers on bottom: A. Choose the correct preterite tense conjugation. t� (dar) das dabas diste B. Choose the correct imperfect tense conjugation. las gatas (ir) iban van fueron C. Choose the correct preterite tense conjugation. Juan (dormir) durmi� dorm&#...

*December 17, 2012*

**English**

-__________- I know what future means , Thanks though!!

*December 13, 2012*

**English**

UMMM we live in the 20 century ..... YES. person.

*December 13, 2012*

**English**

Annabel Lee poem

*December 13, 2012*

**English**

Check? 1. What action is happening in the poem? Is there a story taking place in the poem? Is the poet reacting to an event? Describe. Edgar is describing his future love. They were only kids when they met, but Edgar knew he loved her. His is telling the story of how they met ...

*December 13, 2012*

**English**

How does this sound? Edgar was like everyone else in the world, he soon found his talent. He writes about personal experiences in his life, and what he has overcame. He writes to tell people that you should never give up. He writes to inspire others, and to cope with his ...

*December 13, 2012*

**English**

Edgar Allen Poe. What have you learned about the poet that contributes to the type of poetry he writes?

*December 13, 2012*

**pre algebra **

-1/3m - 7 =5

*November 29, 2012*

**pre algebra **

solve the equation 78= -2(m+3)+ m

*November 29, 2012*

**pre algebra **

what type of measurement would you use to describe the amount of water a pot can hold?

*November 28, 2012*

**pre algebra **

solve the equation step by step.list each step along with the property you used during that step. -5 x 1 x 11 x 4

*November 28, 2012*

**Math**

One side of a rectangle is longer than the other side by 1cm. If the area is 30cm, find its perimeter.

*November 23, 2012*

**chem**

602 x 10 24

*November 19, 2012*

**Math Grade 12**

So the question is basically asking which mountains peaks can be seen from Oahu. Island Distance(Mi) Mountain Height(ft) Lanai - 65 - Lanaihale - 3,370 Maui - 110 - Haleakala - 10,023 Hawaii - 190 - Mauna Kea - 13,796 Molokai - 40 - Kamakou - 4,961 A) Radius of earth= 3960 mi...

*November 18, 2012*

**Writing **

How to use surt in a compound sentence

*November 15, 2012*

**Physics**

How much force is required to accelerate 5kg at 15m/sec?

*November 13, 2012*

**Algebra**

On February 18, from 9 a.m. until 2 p.m., the temperature rose from -14(degrees)F to 38(degrees)F. What was the total increase in temperature during this time period?

*November 11, 2012*

**Algebra**

On February 18, from 9 a.m. until 2 p.m., the temperature rose from -14(degrees)F to 38(degrees)F. What was the total increase in temperature during this time period?

*November 11, 2012*

**decision making**

Tom Garvey, your boss, is the director of highway safety for the state. Tom has two main problems. One is that there is never enough money in the budget to implement all the schemes his office proposes. The second is that many of the schemes are experimental and it is unclear ...

*November 4, 2012*

**health**

A typical smoke will take ___ on a cigarette over a period of 5 minutes that the cigarette is lit. A. 1 puff B. 5 puffs C. 10 puffs D. 15 puffs I put c and i got it wrong

*November 2, 2012*

**health**

I put C but i got it wrong

*November 2, 2012*

**health**

Cigarette features that reduce the yield of machine-measured tar such as, in light cigarettes, also reduce the yield of nicotine. Because smokers crave nicotine, they may, ________. A. Inhale less deeply, take smaller, quicker, or less frequent puffs B. Inhale the same as if ...

*November 2, 2012*

**health**

Drinking during pregnancy can cause A.attention deficit disorder in child B.Poor academic performnce in child C.Birth defects in child D.All of the above I put D but i got it wrong

*November 2, 2012*

**Physics**

If you reconstruct the equation, you will get 1/2*(T/mL)^1/2

*October 31, 2012*

**Problem solving:for 3rd grade**

10-3=7 meaning a use pf subtractio..

*October 25, 2012*

**Math**

The diagonals of a rhombus are 16cm and 10 cm. Calculate the angles of the rhombus.

*October 19, 2012*

**Math**

Quadrilateral PQRS has vertices P(0,6), Q(-6,-2), R(2,-4), and S(4,2). Verify that the quadrilateral formed by joining the midpoints of the sides of PQRS is a parallelogram.

*October 19, 2012*

**math**

15 PLANES 7 BOATS 15-7=8 15+7=22

*October 15, 2012*

**math**

(((x+4)^2)/20)-4 = 1 solving for x gives you 6.

*October 15, 2012*

**GEOMETRY**

If RS=ST=19, s<r and t=7, find s and r.If r=-12, s=10, and S is the midpoint of RT, find t.

*October 2, 2012*

**Math**

The perimeter of a pool table is about 7.8m. Four times the length equals nine times the width. What are the dimensions? I need to find 2 equations first. I got 2l + 2w= 7.8 I cant seem to get the other one

*September 16, 2012*

**Math**

The three lines x-y+1=0 ,2x+y-4=0 ,and x+y+5=0 intersect to form a triangle. Find the coordinates of the vertices of the triangle.

*September 9, 2012*

**Math**

Find the intersection point. 3x+2y = 3 2x+10y = -5 I put them into y=mx+b form and got y=-3/2 + 3/2 y=1/5x - 1/2 I can't seem to find the intersection point by graphing it either, since it won't be accurate.

*September 8, 2012*

**Home Economics**

Please help me with this project. Notes on Print and Calico Patch. I need information on each of them.

*September 1, 2012*

**science**

Please help me with this. why is it that blood pump away from the heart under pressure? why is it necessary for blood to be oxygenated before pumped to the cells? Please this question is under the topic circulatory system.

*August 28, 2012*

**math**

3hours=8 logs 1hour =? if less, more will divide. 1/3 multiplys 8logs =8/3 =2 2/3

*August 15, 2012*

**English**

to reduce the burden on their mothers and sisters.

*August 14, 2012*

**English**

I am against the motion. Please I need points to write for my side.

*August 14, 2012*

**English**

Write a debate on the topic;Boys should not help in the kitchen.Speak for or against the motion.

*August 14, 2012*

**Algebra**

The kinetic energy(K) of an object is dependent on its mass(m) and velocity(v) and is given by the equation K=.5mv^2. If an object has a velocity of 5 and a kinetic energy of 75, what is its mass?

*July 27, 2012*

**chem**

a pipet delivers 9.04,9.02,9.08,9.06 ml in consecutive trials.find the mean volume and the average deviation from the mean

*July 16, 2012*

**History**

Why was Nunavut created? I've done research but no sites tell me exactly why. Was it because the Inuits felt like they needed their own land... etc?

*July 16, 2012*

**History**

thanks !

*July 16, 2012*

**History**

During the Oka Crisis, the Mohawk later surrendered, but the plan for the town of oka to create the land into a golf course was cancelled. Did the Mohawks get to keep their land?

*July 16, 2012*

**Grammar**

No please. Can you perform the action 'much'?

*July 7, 2012*

**Physics**

A mass of 0.77 kg, hanging from a spring with a spring constant of 37 N/m, is set into an up-and-down simple harmonic motion. What is the speed of the mass when moving through the equilibrium point? The starting displacement from equilibrium is 0.2 m. [Answer in meters/second]

*July 4, 2012*

**History**

That'll be great!

*July 3, 2012*

**History**

To what extent does the Treaty of Versailles reflect the importance of taking responsibility for one’s actions?

*July 3, 2012*

**History**

thanks! this helped sooo much

*July 3, 2012*

**History**

in the Treaty of Versailles, which nation’s approach best reflects a sincere desire to prevent another war, the policies of the United States or the policies of France? Why?

*July 3, 2012*

**History**

i guess so and does this obligation extend to disobeying questionable orders?

*July 2, 2012*

**History**

How morally and ethically obligated are leaders to protect the best interest of their followers?

*July 2, 2012*

**History**

What is the "Just War" Theory?

*June 29, 2012*

**geometry**

The radius is 7meters.how do you find diameter and circumferance?

*May 28, 2012*

**Geometry**

10.5 in.

*May 20, 2012*

**Chemistry **

A solution of PbI2 has [Pb2+] = 4.5 x 10-5 and [I-] = 6.5 x 10-4. PbI2 has Ksp = 8.7 x 10-9. Write down the reaction that is taking place. Calculate Q. Is Q larger or smaller than the Ksp? Is the solution unsaturated, saturated, or supersaturated? Will a precipitate form in ...

*May 8, 2012*

**math**

A truck has tires of radius 2 feet. Note that one mile= 5280 feet. Find the angular distance if the truck has travelled 2 miles: in radians and in degrees

*April 26, 2012*

**liberal arts**

what is the fomula for n!

*April 13, 2012*

**algebra 2**

Find two geometric means between 7 and 875

*April 2, 2012*

**statistic 125**

have three coins, two of which are fair and the other is a double header .suppose a coin is selected using random selection and tossed twice,one after the other.if i got two heads what is the probability that the coin that was selected was the double header?

*March 21, 2012*

**Math **

Right triangle ABC is similar to triangle XYZ. If the length of side AB is 30 inches, the length of side BC is 60 inches, and the length of side YZ is 10 inches, what is the length of side XY? A.4 B.7 C.6 D.none of above

*March 17, 2012*

**Music**

Working on a worksheet regarding triads and figured bass. the directions say Observe the key sig. and it is in bass clef the key of D Major and it has an F as the figured bass and a # what does that mean

*March 16, 2012*

**To Celest A**

how do I figure out how to get your posts? Again room210

*March 12, 2012*

**math**

a square has sides of 9 inches. A second square is going to be drawn with a scale factor of 3. What is the area of the second square?

*March 3, 2012*

**1st grade math**

10+4=14 and 14-4=10

*February 29, 2012*

**Physics**

Calculate the electric field at a point 3.12 cm perpendicular to the midpoint of a 2.23 m long thin wire carrying a total charge of 5.45 uC.

*February 26, 2012*

**chemistry**

calculate the theoretical weight of sodium borohydride need to reduce 50 mg of benzil

*February 16, 2012*

**Chemistry**

what about the delta H how i do it?

*February 13, 2012*

**science**

While rearranging a dorm room, a student does 288 J of work in moving a desk 2.2 m. What was the magnitude of the applied horizontal force?

*February 4, 2012*

**science**

What is the kinetic energy of a 23 kg dog that is running at a speed of 7.4 m/s (about 17 mi/h)?

*February 4, 2012*

**science**

How much work is required to lift a 3.3-kg concrete block to a height of 1.2 m?

*February 4, 2012*

**science**

A 5.8 "kilo" bag of sugar is on a counter. How much work is required to put the bag on a shelf a distance of 0.57 m above the counter?

*February 4, 2012*

**Physics**

1440m

*February 4, 2012*

**visual literacy in business**

in all but what way does lightning shape our perspective

*January 22, 2012*

**Finance**

19. Temple, Inc. has sales of $329,000, cost of goods sold of $204,000, depreciation of $5,900, and interest expense of $15,100. The tax rate is 34 percent. What is the times interest earned ratio? (Please calculate the arithmetic solution and show your work)

*January 13, 2012*

**Finance**

Ag Silver Mining, Inc. has $500,000 of earnings before interest and taxes at the year end. Interest expenses for the year were $10,000. The firm expects to distribute $100,000 in dividends. Calculate the earnings after taxes for the firm assuming a 40 percent tax on ordinary ...

*January 13, 2012*

**finance**

19. Temple, Inc. has sales of $329,000, cost of goods sold of $204,000, depreciation of $5,900, and interest expense of $15,100. The tax rate is 34 percent. What is the times interest earned ratio? (Please calculate the arithmetic solution and show your work)

*January 12, 2012*

**Finance**

Ag Silver Mining, Inc. has $500,000 of earnings before interest and taxes at the year end. Interest expenses for the year were $10,000. The firm expects to distribute $100,000 in dividends. Calculate the earnings after taxes for the firm assuming a 40 percent tax on ordinary ...

*January 12, 2012*

**finance**

19. Temple, Inc. has sales of $329,000, cost of goods sold of $204,000, depreciation of $5,900, and interest expense of $15,100. The tax rate is 34 percent. What is the times interest earned ratio? (Please calculate the arithmetic solution and show your work)

*January 12, 2012*

**finance**

28. Ag Silver Mining, Inc. has $500,000 of earnings before interest and taxes at the year end. Interest expenses for the year were $10,000. The firm expects to distribute $100,000 in dividends. Calculate the earnings after taxes for the firm assuming a 40 percent tax on ...

*January 12, 2012*

**finance**

19. Temple, Inc. has sales of $329,000, cost of goods sold of $204,000, depreciation of $5,900, and interest expense of $15,100. The tax rate is 34 percent. What is the times interest earned ratio? (Please calculate the arithmetic solution and show your work)

*January 12, 2012*

**finance**

28. Ag Silver Mining, Inc. has $500,000 of earnings before interest and taxes at the year end. Interest expenses for the year were $10,000. The firm expects to distribute $100,000 in dividends. Calculate the earnings after taxes for the firm assuming a 40 percent tax on ...

*January 12, 2012*

**finance**

19. Temple, Inc. has sales of $329,000, cost of goods sold of $204,000, depreciation of $5,900, and interest expense of $15,100. The tax rate is 34 percent. What is the times interest earned ratio? (Please calculate the arithmetic solution and show your work)

*January 11, 2012*