Friday

July 1, 2016
Total # Posts: 1,741

**science help plzzz**

help me plzzzz
*October 17, 2013*

**science help plzzz**

Help plzzzzz
*October 17, 2013*

**science help plzzz**

1. Over time, a particular plant has developed a longer stamen. Which of the following is a possible advantage of having a longer stamen? (1 point) A longer stamen could ensure that an insect brushes against an anther and picks up pollen. A longer stamen could ensure that the ...
*October 17, 2013*

**AP Chem**

How many liters of H2 have the same number of molecules as 1.00 liters of 02? ( At the same temperature and pressure)
*October 16, 2013*

**Calculus**

ah okay, thank you. That completely answers my prob.
*October 14, 2013*

**Calculus**

"The graph of y = g(t) is provided below. Based on the graph, where is ln(g(x)) continuous?" I did not include the graph but I would like to know in what ways does ln effect the continuity of a graph. Thanks.
*October 14, 2013*

**math**

how do you solve this equation? 3x/4+5x/2=13
*October 14, 2013*

**Music**

Hw can music change life 800words
*October 11, 2013*

**Algebra**

Estimate the square root. Round to the nearest integer. √242 What I got was 58,584 is this correct?
*October 9, 2013*

**Algebra**

Oh I see Thank you, that helps me understand what I did wrong. Thank you very much
*October 9, 2013*

**Algebra**

Thank you, How did you see that as I am still learning how to do Sq,roots DFo I multiply 1.96 by itself?
*October 9, 2013*

**Algebra**

Simplify each expression √1.96
*October 9, 2013*

**Physics**

@ Anonymous what do you have for T and S?
*October 6, 2013*

**Calculus (first year uni)**

Jai you are incredibly helpful. Thank you sir.
*September 27, 2013*

**reading **

My teacher made us read Anne Frank Remembered and I was absent for a few days so now I have to do a presentation tomorrow on something I found that related to the novel but the novel just confused me ALOT and I have no idea what to do for my presentation.... it only has to be ...
*September 23, 2013*

**algebra**

write the expression that represents the total length of each segment. .__x____.____9_____.
*September 19, 2013*

**Social Studies**

What is a faction? Why are majority factions more dangerous than minority factions, according to James Madison?
*September 14, 2013*

**English**

“Burst from the barrow/Blazing” is an example of: a. kenning b. alliteration c. metaphor d. simile I'm pretty sure this is B because of all the "B" words. Am I correct?
*September 12, 2013*

**English**

I was given an excerpt from Gilgamesh to read and then this question on my open book test I was hoping you could check for me. The relationship between Gilgamesh and Enkidu can best be described as: a. father and son who can't communicate with each other. b. brothers who ...
*September 12, 2013*

**intergers**

what is-4+-13=
*September 11, 2013*

**Algabra 2**

Draw a graph that is not function and has these three properties: Domain of x-values satisfying -3<x<5 Range of y-values satisfying -4<y<4 Includes the points (-2,3) and (3,-2)
*September 11, 2013*

**Algabra 2**

Draw a graph that is not function and has these three properties: Domain of x-values satisfying -3<x<5 Range of y-values satisfying -4<y<4 Includes the points (-2,3) and (3,-2)
*September 11, 2013*

**Algebra 2**

What is the slope of the line that passes through the points (-2, 4.15) and (1, 1.24)? Here's my work: m= y2-y1 / x2-x1 m+ 1.24-4.15 / 1 - (-2) m= -2.91/3 Is my answer correct? I really appreciate your help! Algebra isn't the easiest for me
*September 4, 2013*

**Marketing**

Thank you very much! :)
*September 4, 2013*

**Marketing**

Which of the following best describes a target market? a. a business-to-business market b. a group of people most likely to become customers c. a group of people most likely to have the same interests d. a company's market share I couldn't find much info on "...
*September 4, 2013*

**english**

The best example of a Romance Hero is: a. Beowulf b. Gilgamesh c. The Wife of Bath d. Arthur I think it's d. Arthur... Am I correct?
*September 3, 2013*

**Math (Geometry)**

1. A rhombus has an area of 5 square meters and a length of 3 meters. In a similar rhombus, the length of a side is 9 meters. What is the area of the second rhombus? [Area= diagonal1 X diagonal2 / 2]
*August 6, 2013*

**accounting**

On January 1, 2012, White Water issues $500,000 of 6% bonds, due in 20 years, with interest payable semiannually on June 30 and December 31 each year. Assuming the market interest rate on the issue date is 5%, the bonds will issue at $562,757.
*August 5, 2013*

**accounting**

On January 1, 2012, White Water issues $500,000 of 6% bonds, due in 20 years, with interest payable semiannually on June 30 and December 31 each year. Assuming the market interest rate on the issue date is 5%, the bonds will issue at $562,757.
*August 5, 2013*

**english**

Increasing gas prices.
*July 31, 2013*

**english**

Need Help getting started.. For the following exercise, you will need to write a short paragraph of your own. Remember to use the grammar guidelines and sentence consolidation strategies of the previous lessons. This might also be a good opportunity to practice using some of ...
*July 31, 2013*

**College Physics**

An ice skater spinning with outstretched arms has an angular speed of 5.0\({\rm rad/s}\) . She tucks in her arms, decreasing her moment of inertia by 19\({\rm \%}\) . By what factor does the skater's kinetic energy change? (Neglect any frictional effects.)
*July 13, 2013*

**government**

Did i ask for a tutor. no. so plz swerve.
*July 11, 2013*

**government**

i dont have time to do tht. i need fast answers because i fell behind and the class ends soon
*July 11, 2013*

**government**

i need help with the answers because i dont get this. in my skool its a senior class but im only goin to b a freshman. its really confusing for me
*July 11, 2013*

**Geometry**

I have two post that meet the ground perpendicular and the ground is level. One post is 40 feet high, the other is 25 feet high. If I draw a hypotenuse from the top of one post to the base of the other post and another hypotenuse from the top of the other post to the base of ...
*July 9, 2013*

**venns diagrams**

From a survey of 100 college students, a marketing research company found that 50 students owned iPods, 50 owned cars, and 20 owned both cars and iPods.
*July 7, 2013*

**physics**

The drawing shows box 1 resting on a table, with box 2 resting on top of box 1. A massless rope passes over a massless, frictionless pulley. One end of the rope is connected to box 2, and the other end is connected to box 3. The weights of the three boxes are W1 = 56.2 N, W2...
*June 30, 2013*

**physics**

The drawing shows a person looking at a building on top of which an antenna is mounted. The horizontal distance between the person’s eyes and the building is 87.8 m. In part a the person is looking at the base of the antenna, and his line of sight makes an angle of 30.3o ...
*June 27, 2013*

**geometry**

How to draw line segment CF and to draw a ray CD perpendicular to line segment CF.
*June 24, 2013*

**Melting Ice Chemistry**

You have an ice cube (H2O) that weighs 5 grams and is at a temperature of -10 degrees Celsius. How much heat energy(in joules) is required to melt the ice cube and raise the temperature of the resulting liquid water to 15 degrees Celsius? A. 1803 J B. 2088.5 J C. 257.5 J D. ...
*June 14, 2013*

**Melting Ice Chemistry**

You have an ice cube (H2O) that weighs 5 grams and is at a temperature of -10 degrees Celsius. How much heat energy(in joules) is required to melt the ice cube and raise the temperature of the resulting liquid water to 15 degrees Celsius? A. 1803 J B. 2088.5 J C. 257.5 J D. ...
*June 14, 2013*

**Melting Ice Chemistry**

You have an ice cube (H2O) that weighs 5 grams and is at a temperature of -10 degrees Celsius. How much heat energy(in joules) is required to melt the ice cube and raise the temperature of the resulting liquid water to 15 degrees Celsius? A. 1803 J B. 2088.5 J C. 257.5 J D. ...
*June 14, 2013*

**Melting Ice Chemistry**

You have an ice cube (H2O) that weighs 5 grams and is at a temperature of -10 degrees Celsius. How much heat energy(in joules) is required to melt the ice cube and raise the temperature of the resulting liquid water to 15 degrees Celsius? A. 1803 J B. 2088.5 J C. 257.5 J D. ...
*June 14, 2013*

**Melting Ice Chemistry**

You have an ice cube (H2O) that weighs 5 grams and is at a temperature of -10 degrees Celsius. How much heat energy(in joules) is required to melt the ice cube and raise the temperature of the resulting liquid water to 15 degrees Celsius? A. 1803 J B. 2088.5 J C. 257.5 J D. ...
*June 14, 2013*

**Melting Ice Chemistry**

You have an ice cube (H2O) that weighs 5 grams and is at a temperature of -10 degrees Celsius. How much heat energy(in joules) is required to melt the ice cube and raise the temperature of the resulting liquid water to 15 degrees Celsius? A. 1803 J B. 2088.5 J C. 257.5 J D. ...
*June 14, 2013*

**Chemistry**

You have an ice cube (H2O) that weighs 5 grams and is at a temperature of -10 degrees Celsius. How many joules is required to melt the ice cube and raise the temperature of the resulting liquid water to 15 degrees Celsius? A. 1803 J B. 2088.5 J C. 257.5 J D. 418.2 J
*June 14, 2013*

**Chemistry**

You have an ice cube (H2O) that weighs 5 grams and is at a temperature of 20 degrees Celsius. How many joules is required to melt the ice cube and raise the temperature of the resulting liquid water to 15 degrees Celsius? A. 1803 J B. 2088.5 J C. 257.5 J D. 418.2 J
*June 14, 2013*

**Chemistry**

You have an ice cube (H2O) that weighs 5 grams and is at a temperature of 20 degrees Celsius. How many joules is required to melt the ice cube and raise the temperature of the resulting liquid water to 15 degrees Celsius? A. 1803 J B. 2088.5 J C. 257.5 J D. 418.2 J
*June 14, 2013*

**chemistry**

Good guess, thats why we need to help each other
*May 30, 2013*

**trig**

okay, thank you, would that still apply if it was cot4x=1-tan^2(2x)/2tan2x? because ive got the right side for this one but the cot4x is throwing me off, how would you solve that side?
*May 23, 2013*

**trig**

TRIG Identities, Gr. 12: Prove: cot4x=1-tan^2x/2tan2x
*May 23, 2013*

**physics**

A package weighing 75 N is sitting on a coffee table. The package is cubic with edges of 10 cm. How much pressure does the package exert on the table?
*May 21, 2013*

**physics**

In a city grid, each block on the east-west streets is 100 meters long. Each block on the north-south streets is 20 meters long. A walker walks 4 blocks west and then 4 blocks south. How much father did the walker travel than the actual distance between the start and end ...
*May 17, 2013*

**math**

rewrite the expression by factoring out (v+5) 5v^2(v+5)+3(v+5)
*May 8, 2013*

**Math**

The Distance from the top of a cliff to the water below ranges from 13m(low tide) to 8m(high tide). Low tide occurs at 12:00 noon and it takes six hours between low tide and high tide. a)Develop an equation representing the distance in terms of time b) It is only safe to dive ...
*May 6, 2013*

**English**

Friendship. I don't know what prewriting notes mean.
*May 1, 2013*

**English**

Select one of the common terms below to redefine in your own words. Make some prewriting notes in the text box. Make sure to indicate which term you have chosen. Terms: -friendship -gratitude -disgust -isolation -accomplishment -satisfaction -hypocrisy -determination -bravery
*May 1, 2013*

**English**

Every sentence in the paragraph below violates some principle of good persuasive writing. Revise the paragraph, following the directions at the end of each sentence; use your imagination where necessary. Type the revised paragraph in the text box provided below. CAUTION: ...
*May 1, 2013*

**Chemistry**

did anyone solve this?
*April 30, 2013*

**Organic Chemistry**

A student dehydrated 12 grams of 2-methylcyclohexene with 85% H3PO4, and acquired 6.50 grams of alkene. What are the theoretical and percent yields?
*April 22, 2013*

**Organic Chemistry**

A student dehydrated 12 grams of 2-methylcyclohexene with 85% H3PO4. What are the theoretical and percent yields?
*April 22, 2013*

**Organic Chemistry**

A student dehydrated 12 grams of 2-methylcyclohexene with 85% H3PO4. What are the theoretical and percent yields?
*April 22, 2013*

**Math (Statistics)**

Two Cards are drawn without replacement from a deck of 52 cards. What are the odds in favor of drawing two honour cards (A,K,Q,J,10)?
*April 21, 2013*

**Algebra**

I have to compute the determinant of the matrix without using a calculator. If the determinant is zero, write singular matrix. 1 -1 -1 -4 2 0 0 3 1
*April 20, 2013*

**math**

160 blocks , each block is 2 cm wide, 1 cm long & 4 cm high, what will be size of box that will hold all 160 blocks (each side cannot be less than 6 cm)
*April 17, 2013*

**Math**

What are the measurements of a box that will hold 160 blocks that are 2 centimeters wide, 1 centimeter high, and 4 centimeters long?
*April 17, 2013*

**physics**

32 kg child practicing rock climbing, she feel but the rope hung on with a tension of 253N. find acceleration??
*April 16, 2013*

**Science**

Some herbicides, such as 2, 4-D are believed to make plant cells divide more rapidly than normal. Why would this kill plants? Why might this be dangerous to humans if it had the same effect on human cells?
*April 15, 2013*

**science-biology**

Some herbicides, such as 2, 4-D are believed to make plant cells divide more rapidly than normal. Why would this kill plants? Why might this be dangerous to humans if it had the same effect on human cells?
*April 13, 2013*

**life orientation**

Discuss in a paragraph of 150 words in which one can take responsibility to provide safe abd healthy livinf enviroment.
*April 11, 2013*

**Combinations and Permutations, Steve and Ms. Sue☺**

What do the stars mean on the answers help asap
*April 10, 2013*

**Math**

I am an amateur, so my answer might not be correct. If I understand this right, you are talking about a non-shaded box, 8x2, inside a larger, shaded box, 10x4. The area of the inner box is 16. The area of the outer box, 40. 40/100 = 16/x x = 1600/40 x = 40 The area of the ...
*April 8, 2013*

**PHILOSOPHY**

Check out Jeremy Bentham (1748-1822), "An Introduction to the Principles of Morals and Legislation" Chapters III and IV.
*April 8, 2013*

**Biochemistry**

In yeast, ethanol is produced from glucose under anaerobic conditions. What is the maximum amount of ethanol (in millimoles) that could theoretically be produced under the following conditions? A cell-free yeast extract is placed in a solution that contains 3.50 × 102 ...
*April 8, 2013*

**trig**

I see. A trailing ,numer; works. For asin(.8), asin(.8)*180/%pi, numer; produces 53.13... I also found that writing numbers with a trailing .0 forces approximation. And for the built-in constants, float() forces approximation. For example: a: 4.0/5.0$ disp(a)$ b: asin(a)$ ...
*April 8, 2013*

**trig**

Using b+0 doesn't phase it. The problem is getting wxMaxima to make 4/5 into a decimal. If I use a: 0.8$ b: asin(a)$ print("the angle is ", b)$ Then it works. It gives me the angle is 0.92729521800161 But if I try to convert that to degrees: c: b*180/%pi$ print(&...
*April 8, 2013*

**trig**

I am trying to get wxMaxima to give me arcsin(4/5), either in radians or degrees. I am using a: 4/5$ b:asin(a)$ print("the angle is ", b)$ But it returns the angle is asin(4/5) How do I get wxMaxima to give me the angle? I want .927 radians or 53.1 degrees.
*April 8, 2013*

**Physics**

I am not an expert. I am a very rusty amateur, so this has to be checked. But I think the difference in light travel distance you are talking about measuring is 2mm. That is, 1mm out into some 1mm deep feature in the object, and 1 mm back. Plus the 2 km there and back. But ...
*April 8, 2013*

**math**

Ok.. "The strongest recorded earthquake in the world took place in Child on May 22, 1960. It had a magnitude of 9.5 on the Richter scale. The strongest quake actually recorded in Canada was magnitude 8.1 on August 22, 1949 and occurred off the Queen Charlotte Islands. a)...
*April 8, 2013*

**Statistics**

If the average IQ is 100 with a standard deviation of 10, what percentage of the population has an IQ of at least 116?
*April 7, 2013*

**math**

yes,i did,thanks
*April 5, 2013*

**math**

row a;1,2,3,4,5............................rowb;1,2,4,8,16...........................row c;2,4,7,12,21.........................what is the first entry in row c which is greater than 100 is most likely to be ?
*April 5, 2013*

**math**

john is the age that sally was 3 years ago,13 year old elissa is 3 years older than sally,how old will john be on his next birthday?
*April 5, 2013*

**math**

tom,jack and joe are the fastest runners in the school.if they race one another,without dead heats,how many combinations can they finish in if they occupy the first 3 places ?
*April 5, 2013*

**math**

in how many different orders can 4 children be arranged in a line,if john and julie refuse to stand next to one another ?
*April 5, 2013*

**Math **

Justin rides his bike in a rectangular route. He knows the total distance is 6,188 yards and the length of the shorter side of the route is 741 yards. What is the length of the longer side ?
*April 5, 2013*

**Chemistry**

1. If a student forms CaCO3 from the presence of carbon dioxide, but continued with the trial anyway, how would this affect his/her calculations (too high, too low, or no effect)? Explain your answers. a) The volume of NaOH required for the back titration. b) The calculated ...
*April 2, 2013*

**Chemistry**

4. A 5.309 g antacid tablet, with CaCO3 as the active ingredient, was mixed was 30.0 mL of 0.831 M HCl. It took 15.3 mL of 0.7034 M NaOH to neutralize the excess acid. a) Calculate the volume of HCl neutralized by the NaOH. b) Calculate the amount of HCl (in mL) neutralized by...
*April 2, 2013*

**physical science 2nd semester**

what is the reactant in this equation ?2HBr(aq)+ca(OH)2(aq)-->2H2O(i)+CaBr2(aq)
*April 2, 2013*

**physics**

[radius (perpendicular) * sin35º] / [radius perpendicular*cos 35º] -the radius cancel and your left with.... sin35º / cos35º =.70 is the coefficient of static friction
*April 1, 2013*

**trig**

I keep trying to find the power reducing formula for sin^4(x), but I can't seem to get all the fractional parts correct. The answer I should be getting is: sin^4(x)=(1/8)cos4x-(1/2)cos2x+(3/8) I can only get this far knowing feeling confident. When I go further I start ...
*March 19, 2013*

**Chemistry**

What volume (L) of 0.256 M potassium hydroxide solution would just neutralize 61.3 ml of 0.167 M H2SO4 solution?
*March 17, 2013*

**Chemistry**

What volume (L) of 0.256 M potassium hydroxide solution would just neutralize 61.3 ml of 0.167 M H2SO4 solution?
*March 17, 2013*

**Math**

How do you change 5x15 into distributive property?
*March 12, 2013*

**math**

A nurse needs to make 30 ml of 5% solution of glucose. She has available bottles containing 5 ml of 7% solution and bottles containing 10 ml of 1% solution. How many 5 ml bottles and 10 ml bottles will she need to make the solution? Bottles of 5 ml of 7% solution needed: ...
*March 11, 2013*

**Math**

A rectangular plot, 21m by 14m, is to be turned into a rectangular flower bed with a grass border around its outside edge. The grass border is to be 2m wide. What is the area of the flower bed? What is the area of the grass border?
*March 10, 2013*

**Science- chemistry**

fuzzy silver coating is impure silver. it can be converted back into silver nitrate by reacting it with nitric acid what has been done to the reaction mixture to recover solid silver nitrate?
*March 7, 2013*

**chemistry**

copper compounds such as copper (II) sulfate are toxic. before disposal, these compounds must be treated to reduce their toxicity. describe how to use steel wool to remove the Cu 2+ ions from an aqueous solution of copper (II) sulfate
*March 7, 2013*