Saturday

February 6, 2016
Total # Posts: 868

**chemistry**

Calculate the theoretical amount of CaCl2 that would be required to change the temperature of 50 mL of water from from temperature 20 degrees Celsius to 45 degrees Celsius. Remember that the heat lost during the dissociation is equal to the heat gained by the 50.0 mL of water...
*November 6, 2010*

**5th grade**

thanks pat and jen i'm sorry for misunderstanding your works maybe i'm just too slow and plus I'm such as in hurry not check myself you have given the hint . i should just look and recheck cause , i have alot's of work for tonight so, that why i'm kind of ...
*November 2, 2010*

**5th grade**

ms. sue i think the first answer is 70,000 and the second is 90,705,104. please check my word and correct my answer thank you!
*November 2, 2010*

**5th grade**

estimate the answer 189,103+504,200=693,303 estimate would= 600,000 0R 70,000? which number shows 90 millions, 7 hundred thousands, 5 thousands, one hundred and 4 ones? A.90,750,104 or B.90,705,104 ?
*November 2, 2010*

**5 th grade**

amy, your work are great ! i like how you show me step by step this is an good example for any kids to learn from your excellent explanation. thank you! pat 5 th grader math student ,my teacher doesn't show me anything like at all this only for short moment.
*November 2, 2010*

**5 th grade**

can you please check my work. I got 585 is the median . i hope it right or if not please help me again!
*November 2, 2010*

**5 th grade**

What is the median fo the following set of numbers? 404,650,585,435,680,342,798 please! show me the work. thank you!
*November 2, 2010*

**Physics**

A ball is launched horizontally from the top of a 320 m high building. For the first 7 seconds of flight, make a table of the vertical position from the ground versus time similar to the one below using Excel Time (sec) Vertical Position (m) 0 320 1 2
*November 1, 2010*

**fraction**

complete the following by using the cancellation technique 3/4 x 2/4 x 6/9
*November 1, 2010*

**fraction**

convert the following to an improper fraction 8 1/8
*October 31, 2010*

**conversion**

18.1
*October 31, 2010*

**Chemistry**

A cyclopropane-oxygen mixture is used as an anesthetic. If the partial pressure of cyclopropane in the mixture is 334 mmHg and the partial pressure of the oxygen is 1.02 atm, what is the total pressure of the mixture in torr?
*October 30, 2010*

**5th grade math **

ms.john class took a timed test. What was the minimum and maximum times? 8.5 9.2 7.1 7.03 90.04 8.09
*October 29, 2010*

**5th grade math**

Ms.John's lass took a timed test. What was the minimum and maximum ? 8.5 9.2 7.1 7.03 9.04 8.09 Which is NOT a way of writing 15,43,202? A. 15 million,482 thousand,203 B.fifteen million,four hundred eighty' C.10,000,000+5,000,000+400,000+80,000+' D.15 million,483 ...
*October 28, 2010*

**Physics**

How long would it take for the Earth to complete a full turn if a person at 49.6° northern geographical latitude floats apparently weightlessly across the room? Use REarth = 6,384 km for the radius of Earth.
*October 28, 2010*

**Math**

The side of a square is 10 meters longer than the side of an equilateral triangle. The perimeter of the sqaure is 3 times the perimeter of the triangle. Find the length of each side of the triangle.
*October 28, 2010*

**5th math**

can you draw an isosceles triangle that ia not equilateral? draw me sclene triangle ? please !draw me so ,i will get today for my preview .thanks!!!
*October 28, 2010*

**5th grade math**

list at least one way in which an equilateral triangle and isosceles are different? List at least one way in which an equilateral triangle and a isosceles triangle are the same? thank you!
*October 28, 2010*

**5th math**

is regular polygon has 8 side?
*October 28, 2010*

**5th grade math**

I'm very confuse how to do this angle i have an triangle up side down lke pizza shape K.50_____50.R Y it look just like letter V with the line on top of it. sorry,I don't know how to connect the line from y to k than y to R. but, i think you get what i'm tried to ...
*October 28, 2010*

**5 th grade math**

5,608 to the nearest ten 38.17 to the nearest tenth 827.42 to the nearest tenth 826.07 to the nearest whole number thank you !!this work will help me with my test next week.
*October 27, 2010*

**5 th grade math**

write the nmber that has 6 in the ones place, a digit in the hundred-thousands place the is half the digit in the ones,the smallest odd digit in the thousands place, 4 in the tenths place 1 in all other places -,---,---.--?
*October 27, 2010*

**5th grade math**

circle the best estimate for each problem. then solve. 52.2*39.7=_____ A.2,00 B.20,000 C.200,000 Solution:_______________________. 148.3*232.51=____ A. 3,000 B.30,000 C.300,000 Solution ________________. please! show me work too so, i can practic for this week tests thank you!!
*October 27, 2010*

**5th math**

Estimate and solve. 214+182= Estimate___________ Solution____________ 1,532-176= estimate:_____ can you please show the work too thanks!! Solutionz:____
*October 27, 2010*

**chemistry**

How many moles of NaI are produced with 3.27 moles BiI3?
*October 26, 2010*

**5th grade**

175104000 is 7 10ths of population what is the population
*October 26, 2010*

**5th grade**

if angele O is 31 degree and angle T is 121 degree and what is angle A will be ______?
*October 26, 2010*

**5 th math**

sorry, i was to sleepy my type got mess up. my question is if 8 counters are one whole, then what is half? if 9 counters are one whole, then what is one/third? please help my last one. !!
*October 26, 2010*

**5th grade **

if 8 ciybters are ib wgike, then wgat us half? i f9 counters te one hole, then what is one /third ?
*October 26, 2010*

**5th math **

how many 3,000s in 270,000? and how many 90s in 63,000? please show me the work also , so i can do the rest right. thanks
*October 26, 2010*

**5th math **

my teacher want me to show the work on this problem like < or > 3.67---3.7 shwo want to know how i got the answer cause, i know that 3.67 is greater than 3.7 she said where you work? can you show me one more time .?
*October 22, 2010*

**5th grade math**

Jen, i think is 34.96 my answer to the last question.
*October 21, 2010*

**5th grade math**

write the following expanded notation in standard form. 600+50+4+0.2+0.07+0.009 ?? Build a 4 digit numeral. write 3 in the hundreths place 4 in the tens place 6 in the ones place,and 9 in the tenths place . ___ ___ ___ ___ please !help me with these to problem so, i can do ...
*October 21, 2010*

**5thgrade math**

The number below shows the rain fall in Mira, Mississippi last week. What is the range of the data? 5cm 8.2cm 2cm 9cm 4.5cm 3.9cm 2.1cm
*October 20, 2010*

**5th grade**

how many inches are in 15 yards?
*October 20, 2010*

**5th grade**

how many inches are in 15 yards?
*October 20, 2010*

**math**

solve 3/2x-5/3x=2
*October 20, 2010*

**5th math**

please show me an example of this one so.i can use it later to pratice the actual test next week here is the problem. complete each pattern. 17,---,--,62,--,92 39,--,--,---75,84 57,--,--,33,--,17 15,--,,--33,--,45 PLEASE FILLED OUT ALL THE BLANK FOR ME THANK YOU!!
*October 19, 2010*

**5th grade math**

Ray asked his class about the number of cousins they each had. what was the mode for the number of cousins? 12,15,7,12,1,17,3,5,5,12,13,7,11,9,20,4,3,7,2,10,14,5,8,7,11.__________ Round 30.089 to the nearest tenth._____
*October 19, 2010*

**5 th grade math**

In the first year of production a play sells 1,572 tickets, in the second year it sells 1,753 tickets, in its third year it sells 152 less than in its second year. How many tickets are sold in 3 years? please! help me with this problem. thank you
*October 18, 2010*

**English Thesis**

Would this be a strong thesis? Self-identity comes through a self-external realization that causes the individual to break from their reality and gain a deeper understanding of their inner identity.
*October 13, 2010*

**math**

y=x^2-3x+c and y=k-x-x^2 meet at (-2,12) what are the values of c and k?? omg ive tried 100 ways but cant find the correct ans...please help?? Thank You
*October 12, 2010*

**5 th grade math**

The scores earned by the students on a recent assignment are listed below. what are the maximum and minimum of the scores? 74,80,80,83,84,85,90,87,91,92,91,93,81,95,73,82,78,94. maximum______? minimum______? please help me with this problem thank you!!
*October 12, 2010*

**math**

derek planted a garden in the shape of a square 32 feet on each side. The garden has a stream on one side, but he plans so build a fence on the other three sides. If he puts a post every 8 feet, how many posts will he need?
*October 11, 2010*

**math**

That is all the information they give in the problem..
*October 11, 2010*

**math**

the deck in hope's backyard is round. It has 5 posts evenly spaced around the edges to support a trellis. For her birthday party, shewants to connect each post to all the other posts with crepe-paper streamers.How many streamers will she need?
*October 11, 2010*

**math**

derek planted a garden in the shape of a square 32 feet on each side. The garden has a stream on one side, but he plans so build a fence on the other three sides. If he puts a post every 8 feet, how many posts will he need?
*October 11, 2010*

**math**

AMy's kite flew the highest. Benny's kite flew 50ft lower then amy's but 100 feet higher then cathy's. Cathy's kite was 100 feet higher then Devons. Devons' kite was 300 feet above the ground. How high was Amy's kite?
*October 11, 2010*

**home economics**

what are the different careers in home economics
*October 9, 2010*

**home economics**

what are the different careers in home economics and their qualifications.
*October 9, 2010*

**math**

thanks so much
*October 8, 2010*

**math**

please help ive look at this question for hours and got no where. find the radii of the 2 circles which have their centre at the origin and which touch the circle x^2 + y^2 - 8x - 6y + 21 = 0 ?? thanks for the help
*October 8, 2010*

**math**

please help ive look at this question for hours and got no where. find the radii of the 2 circles which have their centre at the origin and which touch the circle x^2 + y^2 - 8x - 6y + 21 = 0 ?? thanks for the help
*October 8, 2010*

**5th grade math**

points that lie o the same line are called collinear points. The points H,S,D,K,L, and D are collinear. use the following information to locate them on the line and label the points accordingly. KS + SB =KB DH + HS =DS DH + Hk =DK points L and B are not between any other ...
*October 8, 2010*

**Statistics**

13.19 (a) Generate a correlation matrix for your predictors. Round the results to three decimal places. (b) Based on the correlation matrix, is collinearity a problem? What rules of thumb (if any) are you using? Correlation Matrix F O E A F Floor 1.000 Offices .823 1.000 ...
*October 4, 2010*

**5th**

find the missing number: 18,20,20,24,27,27,____,30,33,34,36,36,_ I need you to show me this answer cause, i got stuck with this one. thank you!
*September 29, 2010*

**5th math**

find the missing numbers and landmarkd for the set of numbers below: 18,20,20,24,27,27,____,30,33,34,36,36,_ Range:22 Mode:27 Minimum______ Maximum:______ please! show me this problem so, i can do my next problem thank you!!
*September 29, 2010*

**spanish**

what does el poncho mean?
*September 28, 2010*

**geography 5th**

how many provinces are competely or partially included between 50degree and 60degree N latitude? the map of canada is shown on a geographic grid. what does that mean? which territories are between the same lines of latitudes as alaska? please help i don't get this thanks!
*September 27, 2010*

**5th grammar rule**

write all the proper nouns in each sentence. also need to capitalize the proper nouns. The town of blair, nebraska, is home to dana college. please show me some of example thank you.
*September 27, 2010*

**physical science**

If a 50 kg rock is reasting at the edge of a cliff of 12 meters high what is it potential energy?
*September 17, 2010*

**spanish**

Que ______,Ana?
*September 17, 2010*

**history**

How was the conflict between supporters of a strong federal government and champions of states rights characterized then, as opposed to now?
*September 15, 2010*

**history**

what were the reason our forefathers divided the government into the legislative, executive and judicial branches.
*September 15, 2010*

**5th grade **

how will the value of 32,184,567 change if the number 2 is replaced by 9? this will be my last question for today thank you!!
*September 14, 2010*

**5th grade **

what is the value of x in the equation 25=10+? please! help me one more time.
*September 14, 2010*

**5th grade**

i need help with this problem what is the mode for the following number? 15,31,32,20,29,32,13 thanks!!
*September 14, 2010*

**5th grade**

i need help with my homework! 6 squared---? write the 9 digit number that has, 5 in the tenth place, 6 in the thousands place 3 in the millions place 4 in the hndred-thousands place 9 in the hundreths place. 0 in all the other place. -,---,---.-- also can you show me how to ...
*September 8, 2010*

**Language**

He studied to show himself approved to God. What part of speech is approved?
*September 7, 2010*

**Physics**

if the speed of a moon car is .124 miles/second. How long, in minutes, would it take the moon car to go 5 kilometers.
*September 6, 2010*

**anat. & phys.**

draw & label all tissue/organs of endocrine sys. during stres response
*September 6, 2010*

**6th grade**

Simplify the following expression: 84/7(4-1)
*September 2, 2010*

**algebra**

a triangle with a 18"base.What is the maximum length to use 180in squared?
*August 11, 2010*

**Physics**

the engineer of a passenger train traveling at 25.0 m/s sights a freight train whose caboose is 200m ahead on the same track. The freight train is traveling at 15.0 m/s in the same direction as the passenger train. The engineer of the passenger train immediately applies the ...
*July 21, 2010*

**Physics**

I have two different questions I can't figure out. 1) Projectile motion: At what initial speed must the basketball player throw the ball at an angle of 55 degrees above the horizontal, to make the foul shot? The horizontal distance from the ball to the basket is 13 feet. ...
*July 6, 2010*

**Physics**

A football player punts the football so that it will have a hang time of 4.5s and land 46m away. If the ball leaves the player's foot 1.5m above the ground, what must be (a) the magnitude and (b) angle (relative to the horizontal) of the ball's initial velocity?
*June 28, 2010*

**chem**

how much pressure does 35 grams of carbon dioxide at 400 kelvin exert?
*May 9, 2010*

**Accounting**

The Rebecca Company acquired merchandise inventory costing $10,000 on September 1. The company will not pay for the inventory until October 1. This transaction will affect the Rebecca Company by increasing the Merchandise Inventory account by $10,000 and _____. A. increasing ...
*April 18, 2010*

**finance**

what is the pv of an annuity due that promises to pay you $500 per yeaR FOR THE NExt 20 years if the interest rate is 7%?
*April 15, 2010*

**fiance**

what is the pv of an annuity that promises to pay you $500 per year for the nest 20 years if the interest rate is 7%?
*April 15, 2010*

**Jewelry Markings**

Can anyone tell me what the following markings mean on a pendant...appears to be brass. India B136 Thank you...
*April 12, 2010*

**english**

literary and non-literary prose.. i have to write a passage citing examples of the above on a source of my choice... so what do they mean.. or how should i go about it...
*April 5, 2010*

**adult education**

what would hospitals administrators use to make decisions about inpatient services
*March 31, 2010*

**english**

ummm i have come up with this is it alright and areas where i could improve pleas... ann always makes it difficult for people to understand her.or so they think what sometimes maybe they fail to realize is that she is insightful.Her outlook towards life, and interpretations of...
*March 26, 2010*

**english**

actually i hoping that maybe u could give me some suggestions as to what i could maybe write on.
*March 26, 2010*

**english**

if i have to write a passage using rhetorical devices on a person or an ideology.. what would be the best thing for me to write on and how can i got about it.
*March 26, 2010*

**english**

i need to know how to start the passage!!!! or an idea as to how to go about it!!! then maybe i could post the end product or something!!
*March 23, 2010*

**english**

using rhetorical devices write a passage(300 words) on a person, idea or ideology.
*March 23, 2010*

**english**

i want to know how i should go about it.. how i should begin i know rhetoric is persuasive but what exactly can i write on and stuff... i need your help please!
*March 23, 2010*

**english**

write a passage (300 words)using rhetorical devices on a person,idea or ideology.
*March 23, 2010*

**Art**

what did Harold Rosenberg mean by "spectator vs view"
*March 21, 2010*

**college**

what dose harold rosenberg mean when talk about "spectator vs viewer".
*March 21, 2010*

**art**

In 1953 Robert Rauschenberg erased the drawing of a very famous abstract expressionist artist? and why?
*March 21, 2010*

**statistics**

Are there situations in business where sampling would not be effective? --------------------------------------------------------------------------------
*March 17, 2010*

**metro**

Calculate the pH of the buffer solution that results when 10 mL of 0.10 M NaH2PO4 is added to 3 mL of 0.05 M NaOH.
*March 17, 2010*

**Calculus**

When f(x)= 2/x (4th power) - 7/x (2nd power) + 5 find the derivative
*March 12, 2010*

**math2**

Solve the problem. You traveled 189 miles on 7 gallons of gasoline. At this rate, how many gallons of gasoline would you need to travel 297 miles?
*March 11, 2010*

**Calculus**

If f(x)=3e^x+6x^e find f'(x).
*February 27, 2010*

**Physics**

"if u could do this physics problem thatd be super. A coach is hitting pop flies to the outfielders. If the baseball (m = 145 g) stays in contact with the bat for 0.04 s and leaves the bat with a speed of 50 m/s, what is the average force acting on the ball?"
*February 26, 2010*