Questions Asked on
July 7, 2009

Algebra
Consider the equation 4x^2 – 16x + 25 = 0. (a) Show how to compute the discriminant, b^2 – 4ac, and then state whether there is one realnumber solution, two different realnumber solutions, or two different imaginarynumber solutions. (b) Use the
asked by Pamela 
Chemistry
A new potential heart medicine, codenamed X281, is being tested by a pharmaceutical company, Pharmapill. As a research technician at Pharmapill, you are told that X281 is a monoprotic weak acid, but because of security concerns, the actual chemical
asked by Saira 
MATH 156
Write the numbers in order of increasing size. "can anyone please help me I think the answer is A am I correct? 14) 2.09, 2.9, 2.099, 2.999 A)2.999, 2.9, 2.099, 2.09 B)2.09, 2.9, 2.099, 2.999 C)2.09, 2.099, 2.9, 2.999 D)2.099, 2.09, 2.999, 2.9
asked by NENAS 
grade 11 math
a uniformwidth boardwalk is built around the inside edge of a rectangular parkland that is 10m by 15 m. if the boardwalk takes up 20% of the lot, how wide is the boardwalk to the nearest centimetre?
asked by steven 
Chemistry
What are the C=CC bond angles for (Z)1,2diisopropylethene, (E)1,2 diisopropylethene and 1,1diisopropylethene?
asked by Alex 
Chem
What 4 quantum numbers describes one of the outermost electrons in a strontium atom in ground state? 5,0,0,1/2 Is my answer correct?
asked by Lena 
Chem
What are some pros and cons for energy level diagrams and electron configuration diagrams? I was very long for elements like uranium and such but im not sure if those are the types of answers im supposed to be giving. Are there any flaws in the two methods
asked by Lena 
Math
An asset is purchased for$50,000.It has an estimated useful life of 12 years and a salvage value of $5,000. What is the annual depreciation of the asset using the straightline method?
asked by Kara 
Biology
Angiosperms (flowering plants) are the largest Phylum in the Plant Kingdom (Angiospermophyta is also called Anthophyta or Magnoliophyta). These plants have true roots, stems, leaves and flowers. The roots grow into the soil to anchor the plant in place and
asked by Anonymous 
Sociology
i had to write this paper can I don't if it make sense or have spelling and grammar errors can someone look at it for me please and check my paper please Test your Native I.Q. Click on the link at the bottom of this assignment. After reading the material ,
asked by Anonymous 
algebra
"Systems of equations can be solved by graphing or by using substitution or elimination. What are the pros and cons of each method? Which method do you like the best? Why? What circumstances would cause you to use a different method? Consider responding to
asked by Anonymous 
Algebra
Consider the quadratic function f(x) = – x^2 + 10x – 26. Determine whether there is a maximum or minimum value and find that value.
asked by Laurie 
logic and set theory
describe the venn diagram for two disjoint sets. how does this diagram illustrate that the sets have no common elements? ... im a bit confused, because to me, if the sets are disjoint and hence nothing is in common, it wouldnt be a venn diagram in the
asked by maria 
Chem
I was asked to fraw the energy level diagram for carbon. Carbon has 6 electrons so would the 2s and 2p orbitals both be half full? 1s = 2 electrons 2s= 1 electron 2p = 3 electrons
asked by Lena 
Algebra
4/3x+1/x+9=5/3x
asked by Kim 
English
Is "Ken" a male or a female name?
asked by John 
MATH 156
I need help with this question I'm reviewing for my final for next week. Thanks Perform the indicated operation. (84) ÷ [(1)  (7)] AND Find the GCF of the numbers using an appropriate method. 240, 10,000, and 4500 AND Write the number in scientific
asked by NENAS 
history
Should English be declared the official language of the USA? List three effects that you believe such a law would have. Write one paragraph explaining the reason.
asked by bindiya farswani 
health
hello i was just wondering if u could think of any good ideas for a health poster on how to keep your body healthy. 10/25 marks are for creativity so i was going for something really creative. could u help me think of some ideas?? thanks. :)
asked by rebecca 
human resources 210
what is the difference between public and private organizations?
asked by Mike 
Math
a sequence {an} is given by a1 = (3)^1/2 , an+1 = (3+an)^1/2. Show that {an} is monotonic and bounded, and calculate the limit if it exists
asked by Hannah 
science calculation
You have been asked to complete a screeninglevel risk assessment in order to compare routes of chemicals exposure and to determine whether the chemical exposure poses a potential health risk. The receptor is a 70 kg man who has worked 8 hours per day as
asked by Reena! plse help 
English
Does 'plumpy' have the same meaning as 'rough' ex) plympy road, rough road (Are both the same?)
asked by John 
English
Hi, I need a title for my essay it is about woman being unhappy with their marriages. I wanted to call it dissatisfying Marriages. If you have a better title that you can offer, please do.
asked by sammy 
Algebra
Simplify (4 – 5i)(3 + 7i) and write the answer in the form a + bi, where a and b are real numbers.
asked by Jacinta 
Physics
A student uses a bottle opener to find that a force of 15 N must be exerted to lift a cap 1.4mm. The opener has a velocity ratio of 16 and efficiency of 90% (a) What is the mechanical advantage of the opener? (b) What force is applied to the bottle cap?
asked by Mohammedabbas 
Literature IV
Ode to the West Wind by P.B. Shelley The poem “Ode to the West wind” praises nature for its A. gifts B. ability to rebirth C. power to recreate D. Both B and C. I chose D. In “Ode to the West wind,” the speaker wants the wind to: A. blow all the
asked by James 
Chem
Theres this one question in my homework that says that there is an unusual but actual condensed configuration and they said to write it. Which element are they referring to? :S
asked by Lena 
java programming
could someone help me create a source code that requires you to enter 2 numbers then gets the sum, difference, product and quotient of them after entering
asked by mark 
college
The Mesopotamians had a generally pessimistic view of life. How do the arts of their civilization reveal this? Use at least one example to illustrate your points. What other features of this culture does the art reveal?
asked by Tammy 
engineering materials
can someone help me to find some good source about the topic: stress, strain, young's modulus of elasticity and shearing stress? pls. help me. thanks
asked by Akitsuke 
hca 210 question
There clinical and charting information is reviewed and signed off by the attending or medical director. Can you think of other professionals besides R.N.'s that are also supervised and then to what capacity?
asked by Meshelle 
Chemistry
Drops of mercury, water and naphtha (lighter fluid) are placed on smooth flat surface. The mercury drop is almost a perfect sphere. The water drop is a flattened sphere. The naphtha however spreads out over the surface. What do these observations tell you
asked by Mohammedabbas 
Microeconomics
If a monopoly is producing at an output where its average total cost of production is minimized and equals $50 per unit and marginal revenue equals $60, is the monopoly producing at the profitmaximizing output level? Explain why or why not.
asked by Marilyn 
Algebra
Solve 6x – 7 < = 25 and write interval notation for the solution set.
asked by Alyssa 
Algebra
Solve 9 – 4x > 7 and write interval notation for the solution set. A.(1/2, 4) B. (4,1/2) C. (1/2, infinity) D. (infinity U (4, infinity) I say the answer is D..Am i correct?
asked by Rachale 
English
Can someone tell me what I need wrong please. I use the first 12 line in the poem and my assignment was to, choose one of the following poems to imitate: "Black Hair," p. 68 (first person), "I Knew a Woman," p. 11718 (first person), “To Aunt Rose,” p.
asked by Anonymous 
Algebra
Follow up to Angie's question? If both sides are not = then why is there an equal sign? And is the answer 2 or both 2 and 1? Thanks!
asked by Alicia 
science
should humans change their habits so they consume products closer to the bottom of the food chain because it is more efficient
asked by wandy 
Algebra
Find the zeros of the polynomial function and state the multiplicity of each f(x) = (x^25x+6)^2
asked by Albert 
math
convergent or divergent? a_n = (sin2n)/(1+n^1/2)
asked by Al 
Math
Here is the question: Is the product of two irrational numbers always an irrational number? Justify your answer. My answer is: No. The square root of two is an irrational number. If you multiply the square root of two by the square root of two, you get two
asked by B.B. 
Math
Here is the question: Write the following rational numbers in scientific notation. A) 0. 000005 B) 30 million C) 0.036754 D) 24,000,059 My answers is: A) 5 * 10^6 B) 30 * 10^6 C) 3.6754 * 10^2 D) 2.4000059 * 10^7 Is this correct?
asked by B.B. 
Algebra
Find the solutions of the equation 3x^2 – x – 4 = 0.
asked by Audrey 
Math
if 12v=3w and v is not equal 0 then which of the following is equivalent to 2w8v ? a 0 b 4w c 6w d 2v d 2v
asked by Jay 
Math
Consider the quadratic function f(x) = x^2 + 12x + 40. Find the vertex.
asked by Jessica 
Math
Please help! They are asking for 2 solution sets and I don't know where to start. Thanks in advance! Solve and write interval notation for the solution set. 3 – 8x < –5 or 3 – 8x > 19
asked by Katrina 
Algebra
Solve the equation. Check all proposed solutions. Show work in solving and in checking. Root3x = x1
asked by Angie 
regents
hi , i need help with preparing for the regents in august .. i would like to know the material on there . does anyone know any websites ? it is for u.s. history
asked by annaiiz ceballos 
Math
Solve the equation: 4/3x + 1/x+9 = 5/3x Check all proposed solutions. Show work in solving and in checking.
asked by Crystal 
Math
5 3/8; 5 1/4; 7 1/2 How to find the average?
asked by Betty 
micro econ
Why would a monoply operate where marginal cost is declining?
asked by anonymous 
sociology
At what age adulthood was loomong?
asked by pam 
sociology
Do you believe that childhood socialization adequately set that stage for people current roles?
asked by pam 
English
Please Proofread for Me. If you see any errors please state them. Witnessed a Wrong Incident People today, sometimes witness people during things wrong, but they refuse to tell. Many times, they do not tell because they do not want to hurt the person’s
asked by Angie 
11th grade
how to check specific heat of a substance?
asked by rajul patel 
Algebra
Find the zeros of the polynomial function and state the multiplicity of each. F(x) =(x^2 5x+6)^2
asked by Rachale 
american literature
Alexandra's mother goal while living on the praire was to
asked by Anonymous 
general education
I come at the beginning of end and the end of time. Twice in a week and once in a year.
asked by Lisa 
Math
Did I do this problem right? Find the following product: ( 1 1/3 + 3 1/2 )(3/4)=? My answer is: ( 4/3 + 7/2)(3/4)= 1 + 21/8= 29/8. Is this correct? Thanks.
asked by B.B. 
sociology
is there anything wrong with wealthy people spending their money any way the wish
asked by tiffany 
sociology
How do the lifestyles of today's rich and famous differ from those of the 19th century robber barons?
asked by tiffany 
English
I finish it but don't know if it is right or wrong: Can someone tell me what I do wrong please. I use the first 12 line in the poem and my assignment was to, choose one of the following poems to imitate: "Black Hair," p. 68 (first person), "I Knew a
asked by Anonymous 
Bus Management & Leadership
You are the owner and CEO of a brand new Internet access company, known as the XYZ Internet Company. For this assignment, you are to create a Policy Manual for new managers. This manual should provide guidance to the new incoming managers, as they set up
asked by Anonymous 
Psychology
How can we go about recognizing values influencing biases in order that more open debates can take place?
asked by Linda 
Chem
Is this a possible quantum number: 3,2,2,1/2 This is my thikning: n=3 so therefore l = 02 so therefore ml could = 2 However, many of my classmates said it was impossible.
asked by Lena