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July 23, 2016

Posts by Anonymous

Total # Posts: 98,383

CHM130
3.77 L of o2
April 27, 2016

Algebra
A linear function follows the form f(x) = mx + b, where m is the slope and b the y-intercept. We are given the point (4, 3) and that m = .5, so we can solve for b. f(4) = 3 = .5(4) + b So b = 1. The function is therefore f(x) = .5x + 1
April 27, 2016

college mathematics
d. Find the volume of a rectangular box that measures 6 inches by 4 inches by 2 inches.
April 27, 2016

Math
12(2)+10+d=80 or 80-(12(2)+10)=d
April 27, 2016

algebra
slope = (1532-14)/(58-13) = 1518/45 = 506/15 y - 14 = (506/15)(x - 13) check my arithmetic
April 27, 2016

Discrete Structures
Consider the divisibility relation on the set S = {-5,-3,-2,2,3,5} To be more precise, this is the relation: R = {(x, y) ∈ S^2| x divides y}. Is the relation Reflexive? Symmetric? Anti-symmetric? Transitive? ----------------------- The relation is reflexive because all ...
April 27, 2016

Geography
What is the formula for the area of a hexagon
April 27, 2016

Geometry
The surface area of a right cylinder is 112 pi cm ^2. If the radius is 4cm, what is the height of the cylinder?
April 27, 2016

maths
how to find area of trapezium
April 27, 2016

Physics
A plane travels 1000 km at an angle of 40 degrees East to North, then changes direction and travels 500 km at an angle of 20 degrees North to East. What is the magnitude and direction of the planes total displacement?
April 27, 2016

energy
A 9.97kg object slides along the frictionless loop the loop with a diameter of 3 m . what minimum speed must it have at the loop in order to remain in contact with the loop ?
April 27, 2016

Math
During a tournament, 4 players on the school golf team drank equal amounts of water from a 6-liter water jug. They drank all of the water. Which equation can be used to find the number of liters of water that each player drank?
April 27, 2016

Math
Ffggffgff
April 27, 2016

math
if 7 is added to a number and the sum is doubled, the result is 19 less than the number
April 27, 2016

Life orientation
Memorandum for life orientation of research on human Rights violation that has taken place in your community.
April 27, 2016

Life orientation
Three human rights violation or discrimination
April 27, 2016

Life orientation
Xenophobia,disability discrimonation,racial discrimination
April 27, 2016

Math
Given the geometric sequence: 26, 2617, 26289, ⋯ Find an explicit formula for an, where the first term is a1=26. an= Find a6= please help out
April 27, 2016

chemistry
how do i get pure samples from a mixture of potassium carbonate,ammonuim chloride and copper (ii)oxide
April 27, 2016

chemistry
explain how you can obtain pure samples from a mixture containing ammonium chloride,copper(ii)oxide and potassium carbonate
April 27, 2016

GEN.
WHAT is BACKground?
April 27, 2016

chemistry
explain how you can obtain pure samples from a mixture containing ammonium chloride,copper(ii)oxide and potassium carbonate
April 27, 2016

Economic
I want answers for this questions
April 27, 2016

Economic
What are welfare payments or consumer subsidies ?
April 27, 2016

Economic
What are welfare payments or consumer subsidies ?
April 27, 2016

Spanish
Would "sino" or "sino que" be used if the following noun is modified by a past participle? for example: ... sino (que) la destrucción hecha por los conquistadores. Thanks!
April 27, 2016

math
Find an equation of the line that (a) has the same y-intercept as the line y+2x-12=0 and (b) is parallel to the line 5x+12y=8 Write your answer in the form y=mx+b
April 27, 2016

math
Using the simple interest formula, how much interest is charged on a 30 year $100,000 house loan at 6%?
April 26, 2016

math
Using the simple interest formula, how much interest is charged on a 30 year $100,000 house loan at 6%?
April 26, 2016

math
Please help!
April 26, 2016

math
anybody can show me how you get the answer? I have another question similar to this.
April 26, 2016

math
Can anybody help me how to solve this problem? Thanks
April 26, 2016

math
Assume an exponential function has starting value 21 and growth rate of 137%. What an equation to model the situation. The equation is y=
April 26, 2016

math
I need help for math
April 26, 2016

AP Physics
A car with a mass of 1200 kg kg starts from rest and accelerates to a speed of 12 m/s in 12.2 s. Assume that the force of resistance remains constant at 328 N during this time. What is the average power developed by the car’s engine? Answer in units of W.
April 26, 2016

Math
Kimmy's toy box is 3 feet tall, 6 feet long and the width is half of what it is tall. How many cubic feet of space are inside Kimmy's toy box?
April 26, 2016

math
Is (7,9) correct?
April 26, 2016

math
What is the missing coordinate that would make the following shape a rectangle? (4,8),(12,8),(12,16)? Edit
April 26, 2016

Math
$25.20
April 26, 2016

Math
A $30.00 pair of jeans is discounted 20%. If sales tax is 5%, what will be the final price of the jeans?
April 26, 2016

math
NICK ESTIMATED THAT 5 OVER 8 +4 OVER 7 IS ABOUT 2. EXPLAIN HOW YOU KNOW HIS ESTIMATE IS NOT REASONABLE
April 26, 2016

mathh
Write an equation in slope-intercept form with slope (1/4) passing through (4/9),(67/36)
April 26, 2016

spanish
what of the following is not true about palacio nacional 1. it contains a large mural that shows the history of mexico 2. it is located in teotihuacan 3. it is where the mexican president office is located
April 26, 2016

algebra 2
So the dead line for my class is coming up. And I really need help for these questions! 2. Elaine shoots an arrow upward at a speed of 32 feet per second from a bridge that is 28 feet high. The height of the arrow is given by the function h(t) = -16t2+32t + 28, where t is the ...
April 26, 2016

math
During a game, a basketball team scored 38 points worth of two-pointers, 33 points worth of three-pointers, and 8 points worth of free throws. How many shots did the basketball team make during the game?
April 26, 2016

life orientation
Identify your 3 human rights violations or discrimination and explain in an introductory paragraph why you choose the specific human rights violations or discrimination
April 26, 2016

Geometry
Can someone help me with lesson 10 unit 4 geometry test? 8th grade 1. Name a pair of vertical angles 2 and 5 2 and 6 3 and 4 5 and 6 2 if M 1 = 43 what is M 4 53 43 37** 27 If M 1 = 55 what a m 5 55 40 35 25**
April 26, 2016

life orientation
the right to own property the right for security and safety the right to privacy
April 26, 2016

Math
Ms. Sue
April 26, 2016

Math
If you really are a retired teacher, why would you use that kind of language towards students. Besides, he only miscalculated, you don't have to act crazy about. Please control your language around students. You should know how to is you really are a "retired teacher&...
April 26, 2016

Mathematics
When 8 is added to 2 times a number the sum is 32.what is the number. Is it 16 or 4
April 26, 2016

Science
100ml of h2s04 solution having molarity 1M and density 1.5g/ml is mixed with 400ml of water. Calculate final molarity of h2s04 solution if final density 1.25g/ml. Ans is 0.227M
April 26, 2016

maths
The first four terms of an arithmetic sequence are 2, x-y, 2x+y+7 and x-3y where x and y are constants. Find the x and y and hence find the sum of the first 30 terms.
April 26, 2016

maths
how many terms in the arithmetic series are needed to make a total of 204? 2 + 3.25 + 4.5 + .....
April 26, 2016

maths
find the value of the sum 39+40+41+42+......+379+380
April 26, 2016

maths
Find the limit of the sequence below as n tends to infinity Un+1 = 0.6Un - 0.3 U1 = 4500
April 26, 2016

maths
An arithmetic series has first term 5 and a common difference 7 a) write down the 4th term and the 23rd term b) find the sum of the first 38 terms of this series.
April 26, 2016

maths
Find the nth term of this sequence 1,3,9,27,81
April 26, 2016

Chemistry
References Chapter 17: EOC Assume you dissolve 0.178 g of the weak acid benzoic acid, , in enough water to make mL of solution and then titrate the solution with 0.187 M . ( for benzoic acid = .) What was the pH of the original benzoic acid solution?
April 26, 2016

Chemistry
What is the pH change when 27.6 mL of 0.0920 M is added to 94.1 mL of a buffer solution consisting of 0.146 M and 0.174 M ? ( for ammonium ion is .) pH change =
April 26, 2016

math
kimberly is making lemonade for her glass. she mixes 2 liters of lemonade and 3000 ml of strawberry juice, how many litres of lemonade will kimberly have
April 26, 2016

math123
what is the slope, m, for this model
April 26, 2016

College Algebra
A 15-g sample of radioactive iodine decays in such a way that the mass remaining after t days is given by m(t) = 15e−0.051t, where m(t) is measured in grams. After how many days is there only 1 g remaining?
April 25, 2016

Math
Meg concludes that students spend a mean of 7 hours in school each day. Tara thinks the mean is 6 hours. Who is correct—Meg or Tara? Explain your answer in two or three sentences. Make sure to use facts to support your answer
April 25, 2016

Language Arts, check!!!
1) B 2) C 3) A 4) D I got 100%
April 25, 2016

Physics
A 0.300 kg iron horseshoe that is initially at 550°C is dropped into a bucket containing 19.4 kg of water at 21.1°C. What is the final equilibrium temperature (in °C)? Neglect any heat transfer to or from the surroundings. Do not enter units.
April 25, 2016

reading
Which of the following is a complex sentence? A. After Henry submitted his essay, he realized that he hadn't proofread the last page. B. identity theft is a growing problem, especially among seniors. C. Jim tried to watch a video on a device connected to a crowded ...
April 25, 2016

writing
parallelism.
April 25, 2016

writing
Choose the sentence that correctly uses parallelism. A. The world will little note, nor long remember what we say here, but it can never forget what they did here. B. Phillip and his friends found the concert offensive, and they also thought it was embarrassing. C. It was both...
April 25, 2016

reading
Compound sentences are made up of _______ independent clause(s) and no dependent clauses. A. no B. two or more C. no more than one D. at least three
April 25, 2016

Government
Delegated powers
April 25, 2016

Government
Why is it important for these powers to belong to congress rather than to individual states ?
April 25, 2016

reading
As you're revising an essay, you write down several sentences to describe your intended readers. Why should you do this? A. To see if your essay is directed toward its intended audience B. To ensure that you're instructing your audience adequately C. To make sure you&#...
April 25, 2016

reading
Which of the following sentences contains a dependent clause? A. Kicking and leaping, the three deer behaved like rambunctious rabbits. B. Please clear the table and wash the dishes. C. Jared eagerly climbed into the boxing ring; he was on his back and out for the count in ...
April 25, 2016

reading
Which of the following sentences contains a redundancy?
April 25, 2016

Math
For the sequence an=6n+1, its first term is its second term is its third term is its fourth term is its 100th term is
April 25, 2016

typo
(4/24)(21/24) + 6 = ?
April 25, 2016

(Arts/Theater)(Stuck on what to do) Help please?
hmmm true, true, just throwin somethin out there haha...my next (bad) ideas: wrapping a very large giftbox? Painting/drawing a simple picture?
April 25, 2016

(Arts/Theater)(Stuck on what to do) Help please?
how about something simple, like tying a tie?
April 25, 2016

chemistry electochem
thanks mate, i appreciate it
April 25, 2016

chemistry electochem
can someone explain this to me, looking at graphs in my textbook, it seems as concentration increases the electric potential goes down? why is this? wouldn't you suspect that as the more concentrated a solution is the greater the electric potential read?
April 25, 2016

ELA
Mrs. Brown, you never let me down
April 25, 2016

Math
33
April 25, 2016

math
During an amorous struggle, the lady's pearls broke. Half of the pearls fell onto the floor, a fourth rolled under a chair, a sixth fell into her lap, and three pearls remained on the strain. How many pearls were there originally on the strand?
April 25, 2016

Math
It's okay Ms. Sue, typos happen all the time. And thank you so much for replying and checking :)
April 25, 2016

Math
2,070 not 1,070. & I'm pretty sure that it's -45*-46 = 2,070
April 25, 2016

Math
The product of two consecutive negative integers is 2,070. What are the numbers?
April 25, 2016

Length of similar shapes
A cuboid is 4cm long, 7cm wide and 10cm high. A similar cuboid is 25cm high. Calculate its length and width?
April 25, 2016

Math
is my answer wrong?
April 25, 2016

Math
My answer: 1,368 feet
April 25, 2016

Math
A surveyor standing 2,227 ft from the base of the World Trade Center in New York City measured a 31 degrees angle to the topmost point. To the nearest feet, how tall is the World Trade Center?
April 25, 2016

Math
Erica painted all but 6 square feet of a wall in the shape of a square. How many square feet of the wall did she paint What is this situation in an algebraic expression?
April 25, 2016

length of similar shapes
A cuboid is 4cm long, 7cm wide and 10cm high. a similar cuboid is 25cm high, calculate its length and width? I don't know it, please solve it for me
April 25, 2016

Math
Is 7/8 larger than 5/6in
April 25, 2016

math
what percent of women are between 62 and 66 inches tall
April 25, 2016

algebra 2
A ball is thrown directly upward from an initial height of 200 feet with an initial velocity of 96 feet per second. After t seconds, the height of the ball above the ground is s(t) = 16t2+ 96t + 200. a. After how many seconds will the ball reach its maximum height? b. ...
April 25, 2016

algebra 2
iudk
April 25, 2016

algebra 2
An object is launched at 19.6 meters per second from a 58.8 meter tall platform. The equation for the object's height s at time t seconds after launch is s(t) = -4.9t2+ 19.6t + 58.8, where s is in meters. a. When does the object strike the ground? b. What was its maximum ...
April 25, 2016

algebra 2
Elaine shoots an arrow upward at a speed of 32 feet per second from a bridge that is 28 feet high. The height of the arrow is given by the function h(t) = -16t2+32t + 28, where t is the time in seconds. a. What is the maximum height that the arrow reaches? b. How long does it...
April 25, 2016

algebra 2
A person standing close to the edge on the top of an 80-foot tower throws a ball with an initial speed of 64 feet per second. After t seconds, the height of the ball above the ground is s(t) = -16t2 +64t + 80 a. After how many seconds will the ball reach its maximum height? b...
April 25, 2016

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