Friday
November 28, 2014

Posts by Shane


Total # Posts: 339

Maths
Given the quadratic function y =3x^2+10x-8 (i)Find the y-intercept. (ii)Find the x-intercept. (iii) Calculate the axis of symmetry. (iv)Find the coordinates of the vertex (v)Sketch the graph of the above function.
November 27, 2012

Chemistry
Complete and balance the following equations.Identify each type of the reactions. (a) Cr + O2 >Cr2O3: (b)Na2CO3 + Mg3(PO4)2: (c)H3BCO+ H2O> B(OH)3 + CO + H2:
November 25, 2012

chemistry
Represent this reaction with a balance chemical equation. Solid aluminium hydride is formed by a combination reaction of its two elements.
November 25, 2012

chemistry
compleat and balance this equation. Na2CO3+Mg3(PO4)2
November 24, 2012

Chemistry
what is the name of the ions that are formed when the following compounds dissolve in water. (a) BaBr2 (b) (NH4)2CrO4 (c)HBr
November 23, 2012

Agriculture
Why is there difference in the quality of the poultry products?
November 23, 2012

science
Represent this reaction with balanced chemical equation. Disilane gas (Si2H6) undergoes combustion to form solid silicon dioxide and water.
November 23, 2012

Science
A solution of silver nitrate is mixed with a solution of potassium sulphide.Write the molecular,total ionic,and net ionic equations illustrating the reaction.
November 23, 2012

Chemistry
Based on CaCo3 + 2HCl --> H2O + CO2 + CaCl. How many ml of 1.00 M NaOH should be used in the titration. 25ml of HCL and 750mg of Tums are combined to simulate an upset stomach.
November 20, 2012

Chemistry
Based on CaCo3 + 2HCl --> H2O + CO2 + CaCl. How many ml of 1.00 M NaOH should be used in the titration. 25ml of HCL and 750mg of Tums are combined to simulate an upset stomach.
November 20, 2012

math
in the auditorium there are 24 rows of seats. the first second rows have 8 chairs and the third and fourth rows have 10 chairs.if this pattern continues.how many chairs are in the auditorium?
November 17, 2012

Math Word Problem
Ron is tiling a countertop. He needs to place 54 square tiles in each of 8 rows to cover the counter. He wants to randomly place 8 groups of four blue tiles each and have the rest of the tiles in white. How many white tiles will Ron need?
November 16, 2012

physics
A large grinding wheel in the shape of a solid cylinder of radius 0.330 m is free to rotate on a frictionless, vertical axle. A constant tangential force of 260 N applied to its edge causes the wheel to have an angular acceleration of 0.795 rad/s2. (a) What is the moment of ...
November 15, 2012

English 8R - Homework Check (plzzzz read)
hum its rather good a bit rushed with minor grammar issues
November 4, 2012

7th grade science ASAP please!
ur answers r right
November 4, 2012

Science
Which of the following represents a decimal system of measurement? 1 quart = 16 fluid ounces 1 mile = 5,280 feet 1 kilometer = 1,000 meters 1 pound = 16 ounces
October 17, 2012

math
Jsmine has 8 packs of candle wax to make scented candles. Each pack contains 14 ounces of wax.Jasmine uses 7 ounces of wax to make one candle. How many candles can she make?
September 27, 2012

AP Physics C
A stone is catapulted at time t = 0, with an initial velocity of magnitude 21.5 m/s and at an angle of 35.3° above the horizontal. What are the magnitudes of the (a) horizontal and (b) vertical components of its displacement from the catapult site at t = 1.06 s? Repeat for...
September 17, 2012

math
each of the natural numbers 2 through 100, inclusive, is factored in its prime factorization. how many factors of 5 are in the collection of factorizations?
September 12, 2012

statics
A cantilever beam member made from steel with hollow circular cross section experiences an axial load of 300 KN (F1), and a vertical load of 200 kN (F2) as shown in the following figure. The outside diameter of the beam is 50mm and the uniform wall thickness of the cross ...
August 4, 2012

statics and strengths
A cantilever beam member made from steel with hollow circular cross section experiences an axial load of 300 KN (F1), and a vertical load of 200 kN (F2) as shown in the following figure. The beam is 300mm long and fixed on one end.
August 4, 2012

economics
1
July 21, 2012

flvs
Your teacher has a jar of chocolate candies. For every completed assessment, she gives herself three pieces of chocolate. candies eaten after 67 completed assessments
July 17, 2012

Chemistry
If 20ml of a 2.0M solution of HCl is diluted to 500mls, what is its new molarity? How do I work this out
June 13, 2012

chemistry
if 240ml of O2 gas increases pressure from 0.40 atm to 0.80 atm what is the new volume? show all work
May 16, 2012

Chemistry
A saturated Ni(OH)_2_ can be prepared by dissolving 0.239 mg of Ni(OH)_2_ in water to make 500.0 mL of solution. What is the Ksp for Ni(OH)_2_?
March 15, 2012

calculus
if f(x) = square root of e^2x +1, then then f'(0) equals what?
March 6, 2012

calculus
for abs value of x <1, the derivative of y= ln square root 1-x^2 is.....?
March 6, 2012

geo
a carpenter cut the top section of window frame with a 32 degree angle on each end. The side peices hav an angle of 49 degreese at the top will the side pieces be parallel
December 1, 2011

Geometry
A(4,1),B (6,3)
September 20, 2011

history
Abraham Lincoln so far.
June 14, 2011

history
I need help with making an abc book with letters of the alphabet with most Imprtant people or moment. Please help!
June 14, 2011

U.S. History
false
May 25, 2011

Civics (The American President Movie)
how was the system of checks and balances was presented in the American president movie
May 23, 2011

math
Find the general solution using the method of undetermined coefficients. y''' - 10y'' + 25y' = e^(-x) cos x + e^(5x) + x.
May 8, 2011

physics
10.6 t/s
May 7, 2011

business communication
you are in a group that feels very cohesive, so cohesive that it seems to agree readily at every step of a project, without any lengthy discussion or conflict. sometimes you dont agree with decisions, but you do not say anything. which of the following is the MOST probable ...
April 20, 2011

business communication
What do you think of D?
April 20, 2011

business communication
that its a group of international business executives so they would have to gather information about this investment if it would be a good choice
April 20, 2011

business communication
would the sentence "Time is Money!" be a good opening line for a letter urging a group of international business executives to come to an immediate decision about an investment opportunity? a. yes, because then they would realize that a delay could hurt them ...
April 20, 2011

Business Communication
thank you
April 20, 2011

Business Communication
Please submit your end-of-year report by December 31 so we can include your accomplishments in our report to the Corporate Offfice due january 20." is it appropriate to give the report due date in this sentence? a. no, ebcause the reader will not believe that the write ...
April 20, 2011

Business Communication
thank you
April 20, 2011

Business Communication
You ask for feedback on a proposal and are told "I don't believe your claims. Your facts must be wrong." You are confident that your facts are indeed correct. You should: a. write a memo to the proofreader's supervisor before sending the final proposal b. ...
April 20, 2011

math
Danish used 9 balls of clay and 16 straws to make a solid pyramid. How many faces does the solid have?
March 29, 2011

Chemisty
What is the electron dot structure of Ethanol?
March 22, 2011

statistics
Suppose 10 undergraduate students are selected randomly to be interviewed about credit card usage. Is the selection of 10 studets a binomial experiment? Explain.
March 16, 2011

math 126
PROBABLITYPROBLEM
February 28, 2011

math 126
let u={5,10.15.20.25.30.35.40 find a c
February 6, 2011

College Math
let U = {5,10,15,20,25,30,35,40} find 10,20
February 5, 2011

phi 103
mrs orlof teaches 2 history classes one in the afternoon and one in the morining yesturday she gave the same test to both classses anyone who failed the test must retake since a greater percentage of students who took the morining test failed the test than student in the ...
February 1, 2011

Algebra
the measure of the frist angle of a triangle is 10 degrees more than the measure of the second. the measure of the third angle of the triangle is five less than three times the measure of the second. find the measure of the angles of the triangle.
January 26, 2011

Biology
Explain how negative feedback systems maintain homeostasis in non-stable environments.
January 25, 2011

Biology
What are 3 components of the regulatory control system of the body?
January 25, 2011

geometry
A triangle has two angles that have measures of 22.5 degrees and 101 degrees. a. Find the measure of the third angle. b. Classify the triangle by its angle measures.
January 23, 2011

music read
I need to learn one whole song,I want to do smoke on the water, I need help.
December 20, 2010

chem
100 grams of sodium phosphate contains how many sodium ions? what is the formula?
December 16, 2010

math
two runners jog around an oval path at constant rates, but in opposite directions. One runner completes a lap every 10 minutes, and the other does a lap every 12 minutes. How many minutes elapse between consecutive meetings of the runners?Express your answer as a mixed number.
December 15, 2010

Algebra
how many cubic feet are in the volume of a round swimming pool which is 16 feet in diameter and 4 feet deep throughout?Express your answer in terms of pi.
December 14, 2010

Algebra
Compute: 7!/6! x 3!2!/(8-1)!. Express answer as acommon fraction.
December 14, 2010

Algebra
Write the product 35/14x3/125 in scientific notation.
December 14, 2010

algebra
Six people are going to be seated in a row of 8 chairs. How many different ways may they be seated?
December 14, 2010

algebra
Two runners jog around an oval path at constant rates, but in opposite directions. One runner completes a lap every 10 minutes, and the other does a lap every 12 minutes. How many minutes lapse between consecutive meetings of the runners? Express your answer as a mixed number.
December 14, 2010

Algebra
What numeral is in the 100th decimal place in the decimal representation of 6/7?
December 2, 2010

algebra
If the sides of a square are lengthend by 7cm, the area becomes 121cm^2. Find the length of a side of the orginal square.
October 23, 2010

Math
I have a series of questions that I did. They lead up to the last question I can't solve. Could you check my math and help me with the last question? Thanks! a) Let a be the point (2,3). Compute the distance from Origin 0 to A answer: a^2 + b^2 = c^2 3^2 + 2^2 = c^2 c=sqrt...
October 14, 2010

Macroeconomics
Durring the late 1970's prices quoted in terms of the Israeli currency, the shekel, rose so fast that the grocery stores listed their prices in terms of the U.S. dollar and provided customers with the dollar-shekel conversion tables that they updated daily. Although people...
October 13, 2010

math
Which figure in the pattern below will have 99 squares? Figure 1 (picture of 1 square) Figure 2 (picture of 3 squares) Figure 3 (picture of 5 squares)
October 11, 2010

math
Extend the pattern to complete the table Input 1234567 output 1 8 27 ? ? ? ?
October 11, 2010

Writeacher, Please Help
I think we should find the thme
October 6, 2010

Economics
Suppose a market with two sellers Seller 1 has a marginal cost of c1=20q1 and seller 2 has a marginal cost of c2=40q2 Find the market supply curve in a competitive market where the price = c1= c2
September 30, 2010

geometry
M is the midpoint of line segment AB.Find the missing coordinate for each 10a. A:p-4 M:8 B:p+12 must use ruler postulat
September 29, 2010

Calculus
Given f(x)=sin(x)-2cos(x) on the interval [0,2pi]. Determine where the function is concave up and concave down, and increasing and decreasing. I have found that the answer for decreasing is (2.68,5.82). All answers are to be in interval notation like that one.
June 22, 2010

math
7<x<14
June 6, 2010

math
graph the inequality on a plane 2y-3x>6
June 6, 2010

Trig.
Help with this problem please. I don't get it at all. A ship is heading due north at 12 mph. The current is flowing southwest at 4mph. Find the actual bearing and speed of the ship.
March 30, 2010

Probabilities (Math)
An experiment consists of tossing a coin 14 times. (a) How many different outcomes are possible? (b) How many different outcomes have exactly 9 heads? (c) How many different outcomes have at least 2 heads? (d) How many different outcomes have at most 10 heads?
March 22, 2010

physics
Okay, well what's the procedure when a isn't = to zero?
February 21, 2010

Enviromental Science
Estimate the velocity of the groundwater flowing from a point 500 feet from a creek. The point is 50 feet above the surface of the creek and the permeability of the subsurface is approximately 10-5. Approximately how long would it take the groundwater to reach the creek?
February 8, 2010

criminal justice
In what ways does the court ehtic statement differ from the ethic statement of the montgomery, al police department and kilby correction facility?
February 7, 2010

Criminal Justice
Do you think the Montgomery, Al police departments ethic statement was patterned after the national association code of ethics?
February 7, 2010

criminal justice
How are ethic statements and code of ethics different?
February 7, 2010

criminal justice
How are the ethic statement of the Montgomery, Al police department and the national association code of ethics similar?
February 7, 2010

algebra
I have a few problems I need you to take a look at and tell me if I arrived at the right answer. 1. I am to use the intercepts to graph the equation x+3y=6 I used the formula y=mx+b using 3 and -6 for x I got these as my ordered pairs to graph (3, 1), (-6, 4)…Is this ...
January 7, 2010

Algebra/math
I have a few problems I need you to take a look at and tell me if I arrived at the right answer. 1. I am to use the intercepts to graph the equation x+3y=6 I used the formula y=mx+b using 3 and -6 for x I got these as my ordered pairs to graph (3, 1), (-6, 4)…Is this ...
January 6, 2010

Algebra
I have a few problems I need you to take a look at and tell me if I arrived at the right answer. 1. I am to use the intercepts to graph the equation x+3y=6 I used the formula y=mx+b using 3 and -6 for x I got these as my ordered pairs to graph (3, 1), (-6, 4)…Is this ...
January 6, 2010

12th grade English
This is weird cause you're in the grade 12 area. Are you really good at english, is that the reason you're helping me?
December 26, 2009

12th grade English
BTW, priscilla can I talk with you tomorrow, I'm preety tired. If you're here tomorrow at the same time as today, that'd be great. PS. Just curious, how old are you?
December 26, 2009

12th grade English
In Hamlet, death is seen throughout the play, and is one of the primary themes. It was the death of Hamlet’s father and knowing he was murdered which causes Hamlet to seek revenge. As a result, this initiates one killing after another, thus starting a chain reaction. The ...
December 26, 2009

12th grade English
Well I made some quick changes and I also made a lot of changes 2-3 hours ago, and didn't make a lot of new changes cause I felt lazy, anyway what do u think improved and what do u think is really crucial that i change?
December 26, 2009

12th grade English
I can't talk about certain deaths because I have to talk about how one death led to another, in other words my main point has to be the domino effect, and I can't show my point with just certain deaths. Here's how i originally planned my essay: intro- thesis... ...
December 26, 2009

12th grade English
Priscilla, I have to do 5 paragraphs, and let me see If I understand what you are telling which is that my intro was good but my body para. sucked, if so then I agree. Thing is I do not know how I would go about analyzing it without telling the story. BTW, my thesis is the ...
December 26, 2009

12th grade English
Priscilla, I think its sort of like an analysis essay, like what led to each death, and how one death lead to another death. My teacher doesn't really specify and didn't give me a rubrik either, she's very unprofessional.
December 26, 2009

12th grade English
Can you check my essay, it is not done, but I want to see if I'm on the right track? My essay is on Hamlet and the thesis statement: "Domino effect of death" Hamlet: A Chain Reaction of Death In Hamlet, death is seen throughout the play, and is one of the primary...
December 26, 2009

Math
I have tried this problem a few ways, and I am getting frustrating results. Could you help me out by showing me how to set the systems of equations Two angles are complementary The sum of the measure of the first angle and 1/4 the second angle is 82.5. Find the measure of the ...
December 20, 2009

physics
A softball of mass 0.220 kg that is moving with a speed of 6.5 m/s (in the positive direction) collides head-on and elastically with another ball initially at rest. Afterward it is found that the incoming ball has bounced backward with a speed of 4.8 m/s. Calculate the mass of...
December 9, 2009

physics - PLEASE HELP
A vertical spring (ignore its mass), whose spring constant is 980 N/m, is attached to a table and is compressed 0.160 m. (a) What speed can it give to a 0.400 kg ball when released? (b) How high above its original position (spring compressed) will the ball fly?
November 24, 2009

physics
v=4.3 g=9.8 GPE=KE mgh=(1/2)mv^2 mass cancels out so; gh=(1/2)v^2 plug in your values and you should get the right answer
November 23, 2009

physics - please help
A 0.455 kg wood block is firmly attached to a very light horizontal spring (k = 160 N/m). It is noted that the block-spring system, when compressed 5.0 cm and released, stretches out 2.3 cm beyond the equilibrium position before stopping and turning back. What is the ...
November 23, 2009

physics
24.11 m/s
November 20, 2009

Pages: <<Prev | 1 | 2 | 3 | 4 | Next>>

Search
Members