Monday
December 22, 2014

Posts by celina


Total # Posts: 147

math
A 12-foot tree casts a 22-foot shadow. Find the angle of elevation from the tip of the shadow to the top of the tree. Round the answer to the nearest tenth.
October 7, 2014

bussines
does it take longer to get your mba if you take bcom over bba?
March 24, 2014

business
prepare an argument opposing the following statement: "The first priority of any business is to its shareholders. It is not environmental protection- that is the role of government" i need some starter points to get me started on this question, thanks
March 11, 2014

english
what is meant by the terms "grow organically" in this sentence? The fashion company has been willing to build and grow organically.
December 18, 2013

trig
prove that: sinC+sinD =2sin((C+D)/2)*cos((C-D)/2)
December 8, 2013

international business
Assume you are a Canadian importer of goods. You purchase $5000 worth of chocolates from Belgium, $6000 worth of soaps from France, $10000 worth of teas from India. Evaluate the Canadian currency over a period of two weeks. Choose three periods to examine the Canadian dollar. ...
October 4, 2013

algebra 1
there are 60 second in a minute so 8x6=48 that means you can sort 48 in one minute. so if there are 45 minutes..... 45 x48=2160 your answer is 2160
October 3, 2013

Math- important!!!
Samantha is a baseball player, she has a batting average of 0.280. a) find the probability that at least 3 hits in her next 5 times at bat (12 marks) b)what is Samantha's expected number of hits in her next 10 times at bat? (3 marks)
July 11, 2013

Math
I got 6 as the answr when I did the check it worked! Thanks for the help tho! :)
July 10, 2013

Math
A picnic cooler contains different types of cola.12 regular, 8 cherry, 6 diet, 8 caffeine free, 10 diet vanilla, and some diet cherry. U pick a can of cola without looking at its type. There is a 44% chance that the drink selected is diet. How many diet cherry colas r in the ...
July 10, 2013

Math
Thank you! :) that's what I got,is there any more work to it? Because its an 8 mark question!
July 10, 2013

Math
Find the probability that a number chosen at random between 1 and 100 is divisible by 2 and 7.
July 10, 2013

Data management gr.12
Find the probability that a number chosen at random between 1 and 100 is divisible by 2 and 7.
July 10, 2013

Math
"Find the area of a rhombus with sides of length 10 in. and longer diagonal of length 16 in." and Also, how do you solve the problem "Find the area of a regular decagon with radius 4 cm."
June 9, 2013

Chemistry
How many mL of .715 M HCI is required to neutralize 1.25grams of sodium carbonate? (Producing carbonic acid)
March 27, 2013

college math
loverdale-Nurseries obtained a $60,000 loan at 7.5% compounded monthly to build an additional greenhouse. Construct a partial amortization schedule for payments of $1000 per month (except for a smaller final payment)showing details of the first 2 payments. Payments 56 and 57 ...
November 6, 2012

Physics, please help:)
A charge rod is brought near a pile of tiny plastic sphere. Some of the spheres are attracted to the rod, but as they touch the rod, they are flung into different directions. Explain. Thanks :)
September 1, 2012

Physics
A charge rod is brought near a pile of tiny plastic sphere. Some of the spheres are attracted to the rod, but as they touch the rod, they are flung into different directions. Explain. Thanks :)
August 31, 2012

business
what are the tree steps to join a team canadian mission?
June 26, 2012

english
im not sure of what theme to base the thesis on,thats the part i need help with
June 6, 2012

english
i neeed help putting my thesis together for my essay reflecting on two books: "the poisonwood bible", and "fall on you knees" plz help asap
June 6, 2012

Maths
How to find the total surface area of a prism, cone and cylinder?
May 28, 2012

Mathematics
Thanks!
May 28, 2012

Mathematics
Twelve man take 6 hours to finish a piece of work. After the 12 men have worked for 1 hour, the contractor decides to call in 8 men so that the work can be completed earlier. How many more hours would 20 men take to complete the remaining work?
May 28, 2012

math
the arc length and central angle of a circle are 10cm and 80degrees respectivly. what is the length of the radius?
May 12, 2012

Physics
The parabolic TV antenna recieves electromagnetic waves from satellites. What is special about these rays?
May 9, 2012

functions
a square has an area of 100 cm^2. how much bigger is the square's circumscribed circle than the inscribed circle?
May 8, 2012

Physics
If you can see the face of a friend who is underwater, can she also see you? Please explain. Thanks :)
April 8, 2012

Physics
A ray of light enters a glass block from air at an angle of incidence of 50 degrees. The angle of refraction is 30 degrees. What is the refractive index of the glass? What is the value of critical angle for this glass? Thank you :)
April 7, 2012

calculus
Use the limit process to find the area of the region between the graph of the function f(x)= x^3 and the x-axis on the interval [0,2]
December 18, 2011

calculus
Write the definite integral for the area of the region bounded by the grpahs of y=9-x^2 and y=0
December 18, 2011

chemistry
a chemical reaction occuring in a cylinder equipped with a moveable piston produces 0.58 mol of a gaseous product. If the cylinder contained 0.11 mol odf gas before the reaction and had an initial volume of 2.1 L, what was its volume after the reaction
May 15, 2011

chem
indigo C16H10N2O2 (numbers are suppose to b as a subscript) is the common name of the dye that gives blue jeans their characteristic colour. Calculate the mass of oxygenin 25.0g og indigo. show your work.
May 1, 2011

chemestry grd 11
A typical soap molecule consists of a polyatomic anion associated with a cation. The polyatomic anion containd hydrogen, carbon & oxygen. One particular soap molecule has 18 carbon atoms. it contains 70.5% carbon, 11.5% hydrogen, and 10.4% oxygen by mass. It also contains one ...
May 1, 2011

chemestry grd 11
indigo C16H10N2O2 (numbers are suppose to b as a subscript) is the common name of the dye that gives blue jeans their characteristic colour. Calculate the mass of oxygenin 25.0g og indigo. show your work.
May 1, 2011

chemestry
balance the equations (single displacement) 1. zinc + Iron(II) Chlorine ----> 2. Zinc + Hydrogen Chlorine ---->
March 23, 2011

chemestry
how is ionizaion energy different from electron affinity? use a chemical equation to clarify your definition.
March 22, 2011

chemestry
what do the plus signs mean?
March 22, 2011

chemestry
write a chemical equation for an atom losing a third electron. would the ionization energy for this reaction be larger or smaller that the ionization energy for the lloss of the first or second electron? explain
March 22, 2011

Mathematics .
But how would you do it using A^2 + B^2 = C^2 ?
March 9, 2011

Mathematics .
I need some help with this specific question. In a computer catalog, a computer monitor is listed as being 19 inches. This distance is the diagonal distance across the screen. If the screen measures 10 inches in height, what is the actual width of the screen to the nearest ...
March 9, 2011

Advertising-HELP
I need an advertisement which hasnt been banned yet, but that you think should be banned. I dont really pay attention to ads, so I dont know which ones should be banned. I actually have to write a complaint letter on one. Advertising-HELP - Kate, Monday, February 21, 2011 at 9...
February 21, 2011

Advertising-HELP
Thanks, you mean the KY Intense "Socks" right?
February 21, 2011

Advertising-HELP
I need an advertisement which hasnt been banned yet, but that you think should be banned. I dont really pay attention to ads, so I dont know which ones should be banned. I actually have to write a complaint letter on one.
February 21, 2011

Advertising
Is there any advertisment which you think should be banned?
February 21, 2011

Math grd 12
The number of nuts in a package of Nutty's premium cashews is normally distributed with mean of 432.4 nuts and standard deviation of 5.8 nuts packages with fewer than 420 nuts or more than 445 nuts will be rejected by quality control a) what is the probability that a ...
January 19, 2011

Physics
Write each number in scientific notation: 1) 15.01 ans. Is it 15.01 x 10 minus to the power of 2?? Am i wrong?
November 24, 2010

Math grd12
Gisela lives in a subdivision where the streets are laid out in a grid pattern. Her school is eight blocks south and six blocks east of her home. How many different direct routes could she take when she bicycles to school if she always stops by her friend's home, which is ...
November 21, 2010

Math grd 12
In how many ways can you make Rhe border if it requires 15 titles and you use only blue and white ones? Explain your reasoning. The final answer is 8008.
November 21, 2010

Math grd 12
You are setting a system programing codes for a universal TV remote control. Each code will have five digits and cannot include a 0 or repeat any digits. How many codes a)do not contain a 7? b)have 3 as the third digit, and 5 as the fifth digit c)begin with an even digit? d)...
November 21, 2010

Math grd12
How many arrangements of five letters from the word 'certain' contain the letter 't'? Explain your reasoning.
November 21, 2010

Math grd12
Ohh i accidently added an extra zero...thank you:)
November 21, 2010

Math grd12
How many ten-digit telephone numbers are possible if the first three digits must be different? The answer is 72,000,000,000.... I need the method to get that:)
November 21, 2010

Math grd 12
Ok thank you:)
November 21, 2010

Math grd 12
How many different seven-digit telephone numbers are possible if no number may begin with 0?.....the answer is 9,000,000 but I'm not sure how to get that, plz explain:)
November 21, 2010

Chemistry
What is the length of a string that has a standing wave with four nodes (including those at the ends) and lambda = 24 {\rm cm}
May 17, 2010

Thanks!
Thank you so much!
December 22, 2008

algebra
Is there a link to a site where I can find a way to solve a Soma Cube, and where each shape would go? Thank you!
December 22, 2008

Algebra
Yes! I see, I didn't really think of it that way until after I posted the message. Thank you!
December 18, 2008

Algebra
Here's the question I'm having trouble with: Tell how you would identify the intercepts for the graph of the equation: 3x + 6y = 18 I'm not exactly sure how you would find the intercepts from this equation. Thanks!
December 18, 2008

To Everyone at Jiskha
I agree! Thank you, all of the people that are so helpful! :-)
December 18, 2008

spelling
Just wondering: is this supposed to be a real story about something that happened to you, or is it a fictional story? If it is supposed to be a real story, then you might want to talk to your teacher and see if there is another topic you can write about. If it is a fictional ...
December 18, 2008

7th grade
I don't know how you would check, but by using paranpheses around certain parts of what you are typing in, it will make it do it. Hope I helped!
December 18, 2008

Algebra--please help!
You're being so helpful, thank you! Just wondering, my triangle turned out to be very skinny. It's supposed to be this way, right? And for part d, that is how my teacher typed it, but in the other day's homework he also did a typo. Thank you so much! You were ...
December 17, 2008

Algebra--please help!
Here are some more questions I'm having trouble with. Please walk me through them so I can fully understand them. #2: Let A be (5,9), B be (-3,-5), and C be (1,1). The median of a triangle connects a vertex of a triangle to the midpoint of the opposite side. *Another note...
December 17, 2008

More algebra--please help!
Here are some more questions I'm having trouble with. Please walk me through them so I can fully understand them. #2: Let A be (5,9), B be (-3,-5), and C be (1,1). The median of a triangle connects a vertex of a triangle to the midpoint of the opposite side. *Another note...
December 17, 2008

Algebra--please help!
Thank you so much!
December 17, 2008

Algebra--please help!
I hate to ask so many questions, but why did you write one, though? Thanks!
December 17, 2008

Algebra--please help!
Oh, I see... when I got 19/37 when I solved, I thought I was incorrect. One last thing-- why did you write B= 100(1-19/37)=100(18/37)? Why did you take away 1? Thank you!
December 17, 2008

Algebra--please help!
Thanks for replying so fast! Once you got to "subtract the second equation," I got a little confused. So basically its, 100-81=A(100-63), like you said. Does the B stay put? And what do you mean by "solve for A" and "put A into either equation?" ...
December 17, 2008

Algebra--please help!
I really need help with my math homework today, because I am totally confused! Please give me the answer, but also walk me through it, too, so I can fully understand it, because just the answer won't really help. #1: A math teacher wants to curve a set of grades. *Just a ...
December 17, 2008

Algebra
That's funny, because in my packet, it said to "find the domain of C." But I see how that would not make sense. Thanks!
December 16, 2008

Algebra
Another question: A cell phone company charges $60 for a cell phone and $40 per month under its economy plan. Formulate and graph a model that can be used to determine the total cost, C(t), of operating a cell phone for t months. Find the total cost for 5 and 1/2 months of ...
December 16, 2008

algebra
Thank you so much!
December 16, 2008

algebra
I'm a little confused on how to solve this: The number of cricket chirps per minute is given by N(t) = 7.2t - 32 Where t is the temperature in degrees Celsius. a. Graph the equation N(t) = 7.2t - 32 I have learned a few ways to graph equations. One way would be to use -32 ...
December 16, 2008

math work did i do right
I don't think you posted your questions. Could you try to repost them?
December 16, 2008

math
I don't exactly get what you are saying, but what I would do is find 19% of $500, and then subtract it from 500. Let's call that answer x. Then you find 3% of your answer, x, and subtract that, and you have your answer. If you did that, or something similiar, then you...
December 16, 2008

Algebra please help!
Thank you!
December 10, 2008

Algebra please help!
I kind of get what you're saying... but what is a hypotenuse? Thanks for the help!
December 10, 2008

Correction to what I wrote! Please read this instead!
Sorry, what I wrote might not have made sense. Here's a re-written version. I'm very confused with what I'm learning about right now. We are kind of talking about slopes, functions, graphs, etc. Today, my teacher taught about midpoint and distance, and did not ...
December 10, 2008

Algebra please help!
I'm very confused with what I'm learning about right now. We are kind of talking about slopes, functions, graphs, etc. Today, my teacher taught about midpoint and distance, and did not explain very well at all. Would someone please explain to me how to find midpoint ...
December 10, 2008

algebra
What does collinear mean?
December 8, 2008

spanish
Does anyone know a good review site to review for my Spanish final that is tomorrow? We have just learned simple things like the numbers, alphabet, colors, days of the week, months, etc. A game or some other way of reviewing would be helpful. Thank you!
December 7, 2008

another algebra question
Here's another thing I must solve: For each graph of a function, determine these things: a. f(1) b. domain c. any x-values for f(x)=2 d. range I can't put the graphs I need up here, but is anyone able to explain how you would find these things? Thank you so much!
December 4, 2008

Algebra
Right now we are learning about functions, relations, etc. and I am kind of confused. Here is what I have to answer: Determine whether each of the following is a function. Identify any relations that are not functions. Domain A set of avenues Correspondence An intersecting ...
December 4, 2008

solving inequality
I remember doing this last year, so I'll try to tell you as much as I can remember. My teacher told us last year to start of thinking of it like an equation. Pretend the greater or less than sign is a equals sign. For #1, add 8 to both sides, like you would with an ...
December 3, 2008

3rd Grade
Hmmm... it can be anything? I got one: A Super Terrific... and then you can think of anything that starts with a c that you would want to put there, like a cat or a cloak or something. Just try to keep one thinking of funny topics. The A, S, and T could all be adjectives. Or, ...
December 3, 2008

English
Thank you, Sra. I actually did find the site (ESL Desk), but thank you for the link, anyway! The link you gave me actually has better ones than the one I was thinking of. Thanks for your help!
December 3, 2008

English
That could possibly work. Thanks! :)
December 3, 2008

English
Does anyone know a link to a site that has a list of adjectives starting with the different letters of the alphabet? I have used one before, but I forget its name. I need an adjective that starts with "s," to go with sisters who don't get a long. My title will be...
December 3, 2008

Algebra
Ummm... I did graph them, and why would it be (-5, -3)? That would make the square... slightly diagonal, wouldn't it. I said -4 because that is directly below 4.
December 2, 2008

Algebra
Here is my question: If (2, -3) and (-5, 4 are the endpoints of a diagonal of a square, what are the coordinates of the other two vertices? I got (2,3) and (-5,-4). But the other question was: What is the area of the square? How would you find this? Do you just count the ...
December 2, 2008

Math
What you can do is make proportions. Do: 3/50 = 14/x Then, multiply 50 by 14 and divide by 3. So, yes, the answer is 233 and 1/3 Hope I helped!
December 2, 2008

9th grade : Algebra
Okay, I see. First take 2x away from both sides. That makes: 5y= 10-2x Now, I'm not positive about this part, but I think you would divide the whole side by 5, therefore making: y = 2-.4x or y = -.4x + 2 Hope I helped!
December 2, 2008

9th grade : Algebra
Do you have to solve for x or y? I have an algebra book... I'll post another response soon.
December 2, 2008

Family Consumer Sciences
Thanks for your response!
December 1, 2008

Family Consumer Sciences
Thank you so much! I found just what I needed! :)
December 1, 2008

Family Consumer Sciences
One of the questions on a worksheet I must answer is this: You're in study hall and trying to get your homework finished. The students next to you continue to talk and interfere with your concentration. What should you do? You are supposed to put your own answer, which I ...
December 1, 2008

Algebra! Help needed!
I'll try posting this again since no one responded before. Wow, this one is hard to explain... First, I'll give you the info you need to solve the problem. Tough Cell Batteries Battery Life in Hours Lower Extreme: 84 Upper Extreme: 140 Lower Quartile: 97 Upper Quartile...
November 24, 2008

Algebra
Wow, this one is hard to explain... First, I'll give you the info you need to solve the problem. Tough Cell Batteries Battery Life in Hours Lower Extreme: 84 Upper Extreme: 140 Lower Quartile: 97 Upper Quartile: 110.5 Median: 104.5 If you need more info after reading the ...
November 24, 2008

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