Wednesday
August 24, 2016

Posts by JACKSON

Total # Posts: 242

Science work
A reaction is thought to be second order with respect to the concentration of carbon monoxide. What evidence would support this? Answer options... A. Changing the initial concentration would have no effect on the rate. B. Any change in the initial concentration would cause a ...
August 18, 2016

Pre Cal
Hi, I've just tried to work through this as you have and am really struggling. When I multiply by (4-7i) I get negative numbers?
August 17, 2016

Pre Cal
I don't know how do to it. can you explain it to me?
August 17, 2016

Pre Cal
Simplify the expression in a+bi form. (3+i)(5-2i)(4-7i) a. 67-145i b. 75-123i c. 53-145i d. 61-123i
August 17, 2016

Pre Cal
Use Descartes’ Rule of Signs to find the number of possible positive, negative, and nonreal roots for the equation, 4x^3+7x^2+7x+3=0 a. 0 positive, 0 negative, 3 non real roots b. 0 positive, 1 or 3 negative, 0 or 2 non real roots c. 0 positive, 1 or 3 negative, 1 or 3 ...
August 17, 2016

math
the perimeter of a rectangle is 270 meters. find its dimension if the width is 3/4 of its length. <- our teacher gave us that question and whoever gets the correct answer gets extra credit AND I DONT KNOW HOW TO DO IT HELP
July 3, 2016

math
Find all points (x,y) that are 13 units away from the point (2,7) and that lie on the line x - 2y = 10. Give your answer as a list of points separated by semicolons, with the points ordered such that their x-coordinates are in increasing order. So "(1,-3); (2,3); (5,-7)&...
April 12, 2016

chemistry
what is the approximate volume of gas in a 1.50 mol sample that exerts a pressure of 0.922 atm and has a temp of 10.0°C?
April 6, 2016

chemistry
A sample of gas at 42°C has a volume of 5.2 L and exerts a pressure of 1.00 atm. How many moles of gas are in the sample?
April 6, 2016

Chemistry
Please help?
April 5, 2016

Chemistry
What's the best way to calculate the answer with those values? I don't understand.
April 5, 2016

Chemistry
Oops, sorry. The Ksp for Al(OH)3 is given as 4.6×10^–33 and the Ksp for Pb(OH)2 is given as 1.43×10^–20.
April 5, 2016

Chemistry
Suppose a solution contains 0.21 M Pb2 and 0.41 M Al3 . Calculate the pH range that would allow Al(OH)3 to precipitate but not Pb(OH)2.
April 5, 2016

Math
How do i take out 2 or solve from: y=(2theta + pi)+3 Because i need to find the mathematical changes in the graph but i can't figure it out?
March 2, 2016

Chemistry
A 0.10M solution of a certain monoprotic weak acid has a pH of 2.44. Calculate Ka.
March 1, 2016

Math
Mrs. Walter buys 30 square feet of outdoor carpeting for her patio. If one side of the carpet is 6 feet, what is the length of the adjacent side?
February 3, 2016

Math
Mrs. Walter buys 30 square feet of outdoor carpeting for her patio. If one side of the carpet is 6 feet, what is the length of the adjacent side?
February 3, 2016

Science physic
What is the magnitude of the average force thet the athele exterts on a landing pad if it's 1.5 m high and deforms by 0.5 Mass of athele= 60kg Centre of mass is 1m
January 21, 2016

physics
When a driver brakes an automobile, friction between the brake disks and the brake pads converts part of the car's translational kinetic energy to internal energy. If a 1250 kg automobile traveling at 37.2 m/s comes to a halt after its brakes are applied, how much can the ...
January 5, 2016

physics
A 3.5 kg rock is initially at rest at the top of a cliff. Assuming the rock falls into the sea at the foot of the cliff and that its kinetic energy is transferred entirely to the water, how high is the cliff if the temperature of 0.88 kg of water is raised 0.10°C? (Neglect...
January 5, 2016

Social Studies
pro-french ideas
December 4, 2015

physics
What would be the orbital speed and period of a satellite in orbit 1.50 ✕ 10^8 m above the Earth?
November 18, 2015

Physics
The gravitational force of attraction between two students sitting at their desks in physics class is 2.23 ✕ 10-8 N. If one student has a mass of 52.0 kg and the other student has a mass of 57.4 kg, how far apart are the students sitting?
November 18, 2015

Physics
Tarzan tries to cross a river by swinging from one bank to the other on a vine that is 11.2 m long. His speed at the bottom of the swing is 7.0 m/s. Tarzan does not know that the vine has a breaking strength of 1.0 ✕ 103 N. What is the largest mass that Tarzan can have ...
November 18, 2015

physics
The bird perched on the swing shown below has a mass of 41.6 g, and the base of the swing, y = 7.88 cm below the hook, has a mass of 147 g. The swing and bird are originally at rest, and then the bird takes off horizontally at 1.94 m/s. How high will the base of the swing rise...
November 8, 2015

Art help me please i need it soon
thank you if i get it wrong I'm going to blame you though
November 5, 2015

Art help me please i need it soon
i chose it because i know its not a or b and c it says perspective and my definition of perspective is giving the illusion of depth and there isn't much depth in this piece of art work what do you think it is
November 5, 2015

Art help me please i need it soon
sorry i mean proportion
November 5, 2015

Art help me please i need it soon
haystacks in brittany by paul gauguin the artis most obviously showed experimentation through his use of perspective texture *** color line Achille de gas in the uniform of a cadet how was portion used in this image to create a mood of tranquility to create an optical illusion...
November 5, 2015

ART CHECKING!!! PLEASE CHECK IT!!! :(
you test said 7 was A mine said 7 was C weird to you go to connections 8th grade what state do you do
November 5, 2015

ART CHECKING!!! PLEASE CHECK IT!!! :(
whats number 7 and number 10 help please i am in a serious need
November 5, 2015

ART CHECKING!!! PLEASE CHECK IT!!! :(
so what were the answers
November 5, 2015

Math
THANKS YOU SO MUCH!!!!!!!
October 10, 2015

Math
In a figure, the radius of the inner circle of the tire is twice the width of the tire itself. To the nearest integer, what percent of the entire area is the area of the tire? My teacher told me the answer is 56%, by rounding the 55.5555...., but I don't understand how to ...
October 10, 2015

What did I did wrong MATH
The ratio of number of one-dollar coins to the number of fifty-cent coins in a box was 3:4. Six one-dollar coins were removed and some fifty-cent coins if the same amount were added. The ratio of the number of one-dollar coins to the number of fifty-cent coins to the number of...
July 30, 2015

math
THANKS
July 29, 2015

math
Someone help please!!!!
July 29, 2015

math
Eric is planning a 7-day resort vacation. He will play golf on four mornings. He also wants to play tennis but can only play tennis on days he does not play croquet. He will play croquet on any day immediately following a day that he plays golf. What is the greatest number of ...
July 29, 2015

Physics
A particle starts from the origin at t = 0 with an initial velocity of 4.8m/s along the positive x axis.If the acceleration is (-2.5 i^ + 4.3 j^)m/s2, determine (a)the velocity and (b)position of the particle at the moment it reaches its maximum x coordinate Express your ...
March 28, 2015

chemistry
Trying to calculate atoms of O in 2.00 moles of H3PO4.I used 2.00 mol h3po4÷4atoms O then × by 6.022 avrogados# My answer 3.011×10^23
March 25, 2015

Career Explorations
Caroline is in JROTC (Junior Reserve Officers’ Training Corps), which is an extracurricular program that trains and prepares students for becoming officers in the armed forces. Since she wants to join the Army after high school, this extracurricular activity is mostly ...
March 18, 2015

chemistry
how are moles and molarity related to volume? is it molx molarity or mol/molarity to get volume?
November 18, 2014

chemistry
The mass of solute per 100 mL of solution is abbreviated as (m/v). Mass is not technically the same thing as weight, but the abbreviation (w/v) is also common. How many grams of sucrose are needed to make 655 mL of a 36.0% (w/v) sucrose solution?
November 17, 2014

chemistry
What mass of precipitate will form if 1.50 L of concentrated Pb(ClO3)2 is mixed with 0.150 L of 0.190 M NaI? Assume the reaction goes to completion.
November 17, 2014

Science Help!
if you don't use your real name how do they now who's on here
November 12, 2014

Chemistry
What would cause the molecules of gas to get closer together?
November 10, 2014

social studies
some people use this site to actually help us learn so everyone get your pain ties out of a twist and help each other out this is ridiculous
October 20, 2014

Language Arts
B C C Is Correct Thank You!!
September 22, 2014

Chemistry
Please Help! Describe how water could be classified as either an acid or a base. Give an example of each (acid and base). What word describes substances that can be classified as acids or bases?
May 8, 2014

chemistry
aspirin is synthesized through the following reaction C7H603+C4H6O3=C9H8O4=HC2H3O2 a)Assuming the maximum yield that could be obtained is 76.8% what mass of Aspirin C9H8O4 could be obtained from this reaction when 2.00 * 10^2 grams of C7H6O3 reacts with 145.30 grams of C4H6O3...
April 24, 2014

chemistry
what is the theoretical yield
April 24, 2014

chemistry
Methanol CH3Oh can be produced by reacting carbon monoxide and hydrogen gas in the presence of a catalyst. If 75.00 grams of carbon monoxide reacts with 106.3 grams of hydrogen, 68.40 grams of methanol are produced. What is the percent yield of methanol? can someone help me ...
April 24, 2014

Health
There are ________ of muscles that are responsible for chewing movements or mastication.
March 19, 2014

English
Is this correct? The Iowa Senate approved the state lottery bill in a close vote taken this morning.
February 24, 2014

English
Need help changing passive voice to an active one.... Iowa’s state lottery bill was approved by the Senate in a close vote taken this morning.
February 24, 2014

Geometry
Describe the rotation and reflection symmetries in the Maple Leaf of Canada and the "Life" Ancient Egypt cross.
November 25, 2013

Science
I agree with Charles because on the small assignments they never give you enough information to answer the questions that have nothing to do with what you just learned
November 15, 2013

Chemistry
16g na+ (aq)
October 19, 2013

CHEM 101
What volume of a 0.726 M sodium hydroxide solution is required to neutralize 24.6 mL of a 0.298 M hydrobromic acid solution ?
October 8, 2013

Sociology
1. The express purpose of dating is eventual marriage. (Points : 1) True False Question 2. 2. Anticipatory socialization is learning the rights, obligations and expectations of a role in preparation for assuming that role at a future date. (Points : 1) True False Question 3. 3...
September 17, 2013

Math
Simplify (tan 4X+tan 2x)/(1-(tan 4X)(tan2X))
September 6, 2013

Math
Find the original price for a kitchen table and chairs selling for $799.99 at 40% off. Round to the nearest dollar
September 1, 2013

life orientation
provide recommendations on how to address ill health
July 17, 2013

Chemistry
I've calculated my % yield for 2 experiments, the second one using the final product of the first one. How would I calculate the "total % yield" like my T.A. wants? Would I just add both percentages up and divide by 200?
July 17, 2013

life orientation
money
May 21, 2013

pre- algebra
what is the simplest form ? 50x to the 4th over 12x
April 15, 2013

Computer Programming
Draw a structured flowchart and write pseudocode that describes the process of looking up a word in a dictionary.
January 23, 2013

IT
How would I write pseudocode that describes the process of looking up a word in the dictionary?
January 23, 2013

science
How can I find the physics behind why a wheel moves faster or slower than other wheels? Is this friction?
January 16, 2013

HELP PLEASE!!!!!
The cowboy rides into town on Tuesday and stays for three days then leaves on Tuesday how is this possible?
January 7, 2013

Science
what is the most common mineral?
December 11, 2012

science
what is an ion?
December 11, 2012

science
what is an isotope?
December 11, 2012

science
how are the elements on the periodic table organized?
December 11, 2012

science
where does bonding occur in an atom?
December 11, 2012

Science
where are electrons located on an atom?
December 11, 2012

Science
What is the most common state of matter?
December 11, 2012

Science
atomic # 5 atomic mass 10.81
December 10, 2012

SCIENCE
Thanks Mrs.Sue
December 10, 2012

SCIENCE
WHAT IS THE PURPOSE OF LIFE?
December 10, 2012

Math
Let f(x) = x - 5 and g(x) = 1/2x^3. Find g^-1(108). Write an expression for (f•g)(x). Solve equation (f•g)(x)= 27.
December 9, 2012

Darin
a teacher knows that 80 percent will score no more than 5 points above or below the class average 85 percent on the test which inequality represents the test score of 80 percent of her student.
November 30, 2012

math
how do u do B?
November 14, 2012

Lang Atrs
3. Read the following lines from “Fable for When There’s No Way Out”: “Despair tempts him / to just go limp.” What is the best interpretation of these lines? a. The chick is angry at how difficult it is to break free from his shell. b. The chick is so ...
November 7, 2012

math
Mary has 6 more pennies than Andy has. Together they have 28 pennies. How many pennies does each person have?
November 3, 2012

physics
A 45 g superball traveling at 28.0 m/s bounces off a brick wall and rebounds at 24.5 m/s. A high-speed camera records this event. If the ball is in contact with the wall for 3.60 ms, what is the magnitude of the average acceleration of the ball during this time interval? (Note...
August 17, 2012

HEALTH
B
August 13, 2012

geometry
Find the measure of 7.measure of angel 7=2x+15.measure. Of 8=3x
April 15, 2012

geography
thank you so much drwls
April 9, 2012

geography
I think the density of the iceberg is 900 kg/m^3. So how would I set up the problem to solve it?
April 9, 2012

geography
calculate the freeboard of a 10-m thick iceberg in saltwater (seawater density of 1025 kg/ m^3)
April 9, 2012

U.S History
thanks, anything else?
March 26, 2012

U.S History
what did the members of the temperance movement hope to do?
March 26, 2012

Sciece
Drought, flood and/or bushfire effects on the Red Wattle bird. Please help this part is in my assignment and its due tomorow!
March 12, 2012

Science
Drought, flood and/or bushfire effects on the Red Wattle bird. Please help this part is in my assignment and its due tomorow!
March 12, 2012

Science
Drought, flood and/or bushfire effects on the Red Wattle bird.
March 9, 2012

Science
Effects on drought, flood and/or bushfire on the Red Wattle bird AND Kangaroo paw
March 9, 2012

U.S History
OH YA YOU ARE RIGHT!! :) BUT THANKS ANYWAYS MS.SUE!!!
February 13, 2012

U.S History
is this good: Jackson expanded the democracy to involve more Americans in their government. Jackson opposed bureaucracy, a form of government in which nonelected officials carried out the laws. nonelected officials were replaced with ordinary citizens who supported him. this ...
February 13, 2012

U.S History
thank you so much ms.sue!!!!! but i have another question for you: how did the political system change under Andrew Jackson?
February 13, 2012

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