Thursday
October 23, 2014

Posts by Amanda


Total # Posts: 1,855

SCI207: Dependence of Man on the Environment
Give specific examples of at least two (2) production and two (2) consumption habits humans have related to material resources.
March 24, 2012

Economics
The market demand in a Bertrand duopoly is P = 15 - 4Q, and the marginal costs are $3. Fixed costs are zero for both firms. Which of the following statement(s) is/are true? a.P = $3. b.P = $10. c. P = $15. d. None of the statements associated with this question are correct. I...
March 21, 2012

algebra 2
the area of a square is numerically 165 more than the perimeter. find the length of the side
March 18, 2012

algebra 2
the height of a box is 6 inches. the length is three inches more than the width. find the width if the volume is 240 cubic inches
March 18, 2012

algebra 2
two cars leave an intersection. one car travels north; the other east. when the car traveling north had gone 15 miles, the distance between the cars was 5 mile more than the distance traveled by the car heading east.how far had the east bound car traveled?
March 18, 2012

algebra 2
a ladder is resting against a wall. the top of the ladder touches the wall at a height of 6 feet. find the length of the ladder if the lenght is 2 feet more than its distance from the wall.
March 18, 2012

algebra 2
the printed matter on a 10 by 16 centimeter page of a book must cover 0 square centinmeters. if all margins are to be the sme width, how wide should they be?
March 18, 2012

algebra 2
a triangluar garden has an area of 189 square feet. its height os 3 feet more than ots base. find the measure of the base.
March 18, 2012

Finite Math
help me this is the one problem I just cannot seem to figure out!! Without consultation, each of five organizations announces a one-day convention to be held during July. Find the probability that at least two organizations specify the same day for their convention.
March 16, 2012

Finite Math
i want help understanding how to solve the problems, not just the answers. I understand how to get the denominator, by getting the total and nCr the sample, but i cannot figure out the numerator when it comes to solving these probability problems.
March 15, 2012

Finite Math
A law firm has thirteen senior and nine junior partners. A committee of 6 partners is selected at random to represent the firm at a conference. What is the probability that at least one of the junior partners is on the committee?
March 15, 2012

Finite Math
Without consultation, each of five organizations announces a one-day convention to be held during July. Find the probability that at least two organizations specify the same day for their convention.
March 15, 2012

Finite Math
C (14,8) = 3003 C (26,8) = 1562275 1562275 - 3003 = 1559272 ANSWER= 1559272/1562275 (cannot be simplified)
March 15, 2012

Finite Math
A factory produces fuses, which are packaged in boxes of 26. Eight fuses are selected at random from each box for inspection. The box is rejected if at least one of these eight fuses is defective. What is the probability that a box containing twelve defective fuses will be ...
March 15, 2012

Finite Math
Eight white socks and four red socks are in a drawer. If two socks are selected at random, what is the probability that both socks are the same color?
March 15, 2012

algebra 2
Factor the difference of two cubes: 5x^4y^2-40xy^5
March 15, 2012

Finite Math
An urn contains six red balls and five white balls. A sample of 2 balls is selected at random from the urn. What is the probability that at least one of the balls is red?
March 15, 2012

Programming
Write a program (pseudocode) that would calculate and display the results for the multiplication table for values ranging from 1 to 100. This what I have so far: Declare X, Y, Z As Integer Write “10 x 10 Multiplication Table” For (X = 1; X<=10; X++) For (Y = 1; Y&...
March 11, 2012

Chemistry
How many mL of 5.5 M KOH are needed to prepare 300 mL of 1.2 M NaOH?
March 11, 2012

chemistry
How do you prepare a 0.4 M solution of sulfuric acid in water starting with concentrated sulfuric acid (18 M) and water?
March 11, 2012

chemistry
How do you prepare a 0.4 M solution of sulfuric acid in water starting with concentrated sulfuric acid (18 M) and water?
March 11, 2012

English
no seprate sentence
March 5, 2012

English
Sentence with: Locomotive revolting caricaturist contraband
March 5, 2012

HELPPPP ! -.-
EARTH SCIENCE ; NOBODY WANT TO HELP ME -.-
March 2, 2012

HELPPPP ! -.-
Describe how the principle of superposition was used in determining the relative ages of the cross-sections?
March 2, 2012

Science
Describe how the principle of superposition was used in determining the relative ages of the cross-sections?
March 2, 2012

Earth Science
Describe how the principle of superposition was used in determining the relative ages of the cross-sections?
March 2, 2012

math
if jhonny got a raise from 4$ to$4.60 what is the precentage of increase for one hour
February 28, 2012

Physics
Calculate the net charge on a substance con- sisting of a combination of 7.2 × 1013 protons and 4.8 × 1013 electrons. Answer in units of C
February 28, 2012

algebra 1
(w^3-57w+43) / (w+8)
February 24, 2012

business
I feel like it would be - C. focus exlusively on the initial salary rather than on benefits or furture opportunities. D. name a specific salary and be firm in the fact that you could accept no less.
February 22, 2012

Math
k/5+3/20<3/10 Please help me solve this and show your work please and thank you
February 22, 2012

Math
Simplify each expression. Write answers using positive exponents. a. (7x^2y^3)(-2xy) b. (a^2b^3)^-1(a^2b^3) c.(-4m^3)^2
February 22, 2012

Math
a. -14x^3y^4 ??
February 22, 2012

Math
c. -16m^6
February 22, 2012

Math
Simplify each expression. Write answers using positive exponents. a. (7x^2y^3)(-2xy) b. (a^2b^3)^-1(a^2b^3) c.(-4m^3)^2
February 22, 2012

Math
Simplify each expression. Write answers in standard form. a. (4d-6)(-3d) b. 5g(g^2-2g+1) c. (-2q^2+q+3)-5(q^2+2q-1)
February 22, 2012

business
From what I read, I believe the answer is C.
February 21, 2012

Math
A bottle contains at least 4 times as much juice as a glass contains. The bottle contains 32 fluid ounces. Write an inequality that shows this relationship. Please help me show your work please and thank you
February 21, 2012

Chemistry
How much 12 M HCl do you add to 1 L of water to obtain 0.2 HCl? Use this same approach to do the math for the dilution of 5.5 M of barium hydroxide solution to 0.5 M barium hydroxide solution.
February 19, 2012

Chemistry
How much 12 M HCl do you add to 1 L of water to obtain 0.2 HCl? Use this same approach to do the math for the dilution of 5.5 M of barium hydroxide solution to 0.5 M barium hydroxide solution.
February 19, 2012

vocabulary
A. denotative B. connotative
February 18, 2012

Algebra 1
simplify the expression: (y+5)^3
February 17, 2012

Criminal Justice
Suicide is the _____ leading causes of death in the US and the ______ leading cause of people between the ages of 15-34.
February 16, 2012

Chemistry
How much carbon dioxide has to be bubbled into aqueous sodium hydroxide to obtain a solution containing 3.5 mol of sodium hydrogen carbonate?
February 12, 2012

Chemistry
You dissolve 5 g of calcium hydroxide in 2 liters of water. What is the molarity of the hydroxide ions in this solution? What is the molarity of the calcium ions in this solution?
February 12, 2012

Chemistry
How much 0.5 M HCl is needed to neutralize 5.5 kg of ammonia dissolved in 6 gal of water?
February 11, 2012

business english
I believe it's B. When I tried it in my spell Checker it only underlined ''recieved"
February 9, 2012

Algebra
SOMEONE PLEASE ANSWER MY QUESTION
February 9, 2012

Algebra
An airplane takes off from an airport at 7:00 a.m. traveling at a rate of 350 mi/h. Two hours later, a jet takes off from the same airport following the same flight pattern at 490 mi/h. How long would it take for the two planes to meet each other?
February 9, 2012

business english
I think 19 is B. When you check any of these under spellcheck - as a tip from another post with this same question, it only underlines "recieved" therefore, a spell checker would catch that as an error because its the only word actually spelled incorrectly.
February 8, 2012

Physics
A nurse counts 76 heartbeats in one minute. What are the period and frequency of the heart's oscillations?
February 8, 2012

chemistry
what is the mass in grams of 0.0850 mol of hydrogen atoms?
February 7, 2012

physics
a speaker at a concert generates 1 x 10^-2 w/m^2 at a distance of 20m form the speaker at a frequency of 1kHz 1) calculate the wavelength of the waves emitted. b) what is the intensity level at 20m
February 7, 2012

physics
A shot putter projects the shot at an angle of 37 degrees above horizontal with a force of 980 Newtons (N). What are the magnitudes of the vertical and horizontal components of the 980 N force?
February 6, 2012

UofP
4(x-6)+6=6(x+2)-10
February 4, 2012

MATH geometry
A CRICLE HAS A DIMAETER OF 6FT. WHAT IS ITS CIRCUMFERENCE, ROUND TO THE NEAREST UNIT?
February 2, 2012

MATH geometry
A CRICLE HAS A DIMAETER OF 6FT. WHAT IS ITS CIRCUMFERENCE, ROUND TO THE NEAREST UNIT?
February 2, 2012

Physics
A plane flies at 800km/h in stationary air. The distance to be traveled is 3000km. What was the wind speed if the journey actually takes 4.0 hours?
February 1, 2012

Comm 100
What statements is true concnerning cultural context/ It involes verbal clues only It is about globalizaiton It is communicated primarily thorugh environment and nonverbal clues
January 31, 2012

physics
A skier is pulled up a slope at a constant velocity by a tow bar. The slope is inclined at 25.9° with respect to the horizontal. The force applied to the skier by the tow bar is parallel to the slope. The skier's mass is 55.3 kg, and the coefficient of kinetic friction...
January 30, 2012

physics
I am trying to study for my exam i have tomorrow and this type of problem keeps giving me trouble can someone please help me:: A 3.24 kg block located on a horizontal frictionless floor is pulled by a cord that exerts a force F=11.8N at an angle theta=23.0degrees above the ...
January 30, 2012

chemistry
What volume of hydrogen gas is produced when 19.6 g of sodium reacts completely according to the following reaction at 25oC and 1 atm? sodium (s) + water (l) sodium hydroxide (aq) + hydrogen (g)
January 29, 2012

Comm 100
Amanda sits in the seat right next to another person in a movie theater full of empty seats. The other person gets up and moves to another row. According to the expectancy violations model, the other person responded to Amanda's behavior by ________.
January 27, 2012

math
7
January 23, 2012

Physics
include the steps too please!
January 14, 2012

Physics
Calculate the force of gravity on a 2 kg mass at Earth’s surface. The mass of Earth is 6 * 10 ^24 kg, and its raidus is 6.4 * 10 ^ 6.
January 14, 2012

SAT
How does the SAT motivate students?
January 13, 2012

pre calc
Simplify csc x - cos x cot x
January 12, 2012

pre calc
If tan theta=-3/4 and 90°<theta<180° Then find cos theta
January 12, 2012

pre calc
If csc A=2 find the value of sin A
January 12, 2012

SAT
What are some reasons to why the SAT is fair?
January 11, 2012

principle of management
couldn't it be organzing? "B"
January 9, 2012

world history
Political instability between competing states during the period from 1000 to 500 B.C.E. led to A. advances in technology. B. a decrease in trade. C. a decline in new religious practices. D. fewer opportunities for new ideas about society.
January 8, 2012

College Algebra
Find X such that the point(x,9) is 10 units from (9,3)
January 3, 2012

English
Tell me everythings thats up there
January 2, 2012

English
10 words of merry things 3 words of frosty things 10 words of musical gifts 9 words of things with bells
January 2, 2012

chemistry
An endothermic reaction was found to have an activation energy of 100 kJ. If this reaction is reversed, the activation energy is only 20 kJ. What is the value of delta H for the endothermic reaction?
December 30, 2011

chemistry
In an exothermic reaction, delta H was found to be -40 kJ, and the activation energy to be 30 kJ. What would be the activation energy of the reverse reaction?
December 30, 2011

business math
$12916.70
December 27, 2011

history
I just did this test, the correct answer is D.
December 12, 2011

Geometry
How do I determine if a quadrilateral is a parallelogram? Does anyone know the formula to determine this because I have to justify my answers. Thanks.
December 11, 2011

psychology
The task is to redesign Milgram's experiment so no one is hurt, physically or emotionally. However, from my understanding, the experiment is designed to test how far subjects will obey an authority figure even if it means inflicting pain on another. To inform the subject, ...
December 10, 2011

physics
Samuel travels to the east at 15m/hr for 20 minutes. Then hevtravels 30 degrees north of east 2m/s for 15 minutes. What is his displacement?
December 9, 2011

physics
Samuel travels to the east at 15m/hr for 20 minutes. Then hevtravels 30 degrees north of east 2m/s for 15 minutes. What is his displacement?
December 8, 2011

algebra
What is b__8 help me
December 5, 2011

chemistry
Determine the [H3O+]. Are these solutions acidic or basic? a. [OH-]=7.0x10^-8 a. [H3O+]= acidic or basic? b. 0.00030 M Mg[OH]2 b. [H3O+]=acidic or basic?
December 5, 2011

chemistry
Determine the pH. Are these solutions acidic or basic? a. [H3O+]=1.0*10^-8 a. pH=acidic or basic? b.[OH-]=1.0*10^-9 b. pH=acidic or basic? c.pOH=1.4 c. ph= acidic or basic? d.pOH=7.8 d. pH=acidic or basic?
December 5, 2011

chemistry
Identify the conjugate acid of the following bases? what acid is it? A) F^- B) HSO4^- C) CH3COO^- D) CO3^2-
December 4, 2011

chemistry
Identify the conjugate base of the following acids? The names. For example HCl is hydrochloric acid. A) HSO4^- B)H3O^+
December 4, 2011

chemistry
78.7 mL sample of a 4.81 M sucrose solution is diluted to 120.0 mL. What is the molarity of the diluted soluti?
December 4, 2011

chemistry
78.7 mL sample of a 4.81 M sucrose solution is diluted to 120.0 mL. What is the molarity of the diluted soluti?
December 4, 2011

chemistry
can u please explain to me where did u get 2 to find radius?..
December 4, 2011

chemistry
a metal crystallizes in the face centered cubic crystal structure with a unit cell edge of 5.48 x10 power of -8 cm. the density of the metal is 6.90 g per cubic cm. a. what is the mass (g) of a single atom of this element. b. what is the atomic weight of the element (g per mol...
December 4, 2011

chemistry
a metal crystallizes in the face centred cubic cubic crustal structure with a unit cell edge of 5.48 x10 power of -8 cm.the density of the metal is 6.90g per cubic cm. a. what is the mass in grams, of a single atom of this element. b. what is the atomic weight of the element (...
December 4, 2011

chemistry
and also how to get the # of atoms per unit cell...
December 4, 2011

chemistry
can u please explain to me where did u get the 3 to find radius?.. thank you..
December 4, 2011

chemistry
Rubidium crystalizes in the body centred cubic structure with an edge length of 560.5 pm.. a. calculate the radius (in pm) to 4 sig figures. b. calculate the density to 4 sig.fgures. thnks guys..
December 4, 2011

chemistry
hi need help for these questions a. which of the ions Cs+, Sr 2+, Ba 2+, will have the largest heat of hydration?which is the smallest? b. of the two compounds NaF and MgF2,which has the strongest intermolecular forces? c. of the two compounds NaNO3 and HF, which has the ...
December 4, 2011

medical billing and coding
ok when it is put that way I udnderstand it better. thank you very much Ms. Sue, have a good night.
December 3, 2011

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