Friday

June 24, 2016
Total # Posts: 97,947

**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**

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**

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**

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**

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*

**Language arts Participial Phrase**

yes
*April 25, 2016*

**life orientation**

unemployment rate will increased
*April 25, 2016*

**Physics**

Two charges +1C and -1C are placed at distance 1m apart ,each having masses 2kg respectively are released.what is the type of collision they experience?
*April 25, 2016*

**Science**

Two charges +1C and -1C are placed at distance 1m apart ,each having masses 2kg respectively are released.what is the type of collision they experience?
*April 25, 2016*

**Language arts**

I'm confused on some questions. Thank you for all the help! Joe magarac, Man of steel 8. In section 1, what does the author mean when he says joe magarac is a folk hero? A. Joe was a real man who spent his whole life in the steel mills of Pittsburgh. B. Joe was a ...
*April 25, 2016*

**Maths **

A population has a mean (q) and a standard deviation equal to 2.3 What is the smallest sample size that would give a 95% confidence interval for (q) to have a width less than 0.1? Please help Thankyou
*April 25, 2016*