Tuesday

May 3, 2016
Total # Posts: 96,145

**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*

**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*

**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*

**Calculus**

A spherical water balloon is being filled with water at the rate of 125 cubic inches per minute. At what rate is the radius increasing when the radius is 10 inches? At what rate is the surface area increasing?
*April 25, 2016*

**Calculus**

A bead moves on a circular wire x^2 + y^2 = 25. As it passes the point (3,4), the x-coordinate is decreasing at a rate of 2 units per second. At what rate is the y changing?
*April 25, 2016*

**Calculus**

A man is 2 m tall is walking at a rate of 1 m per second in a straight line away from a 10 m lamppost. How fast is the tip of his shadow moving away from the lamppost?
*April 25, 2016*

**Technology**

What do you think a counterweight does for a mine winding system
*April 25, 2016*

**math**

eeeee
*April 25, 2016*

**Help please**

Thank you anyways.
*April 25, 2016*

**Help please**

1. is B sorry.
*April 25, 2016*

**Help please**

I think it's B and A
*April 25, 2016*

**Help please**

How did Henry David Thoreau inspire later American reformers? A) by introducing civil disobedience B) by introducing a new genre of writing C) by convincing the people to believe in God D) by introducing the benefits of solitary living Which answer best describes how women ...
*April 25, 2016*

**Chemistry**

thats tricky than and your right 1 liter isn't technically exact but I believe since its a conversion factor we never acknowledge it for sig fig sake (intro chemistry) so .2000 ? that just doesn't sit right though, something about that answer... what if i made it 1....
*April 25, 2016*

**CALCULUS**

Water is draining from a small cylindrical tank into a larger one below it. The small cylindrical tank has a radius of 4 feet and a height of 6 feet; the large cylindrical tank has a radius of 8 feet and a height of 16 feet. The small tank is initially full of water, and the ...
*April 25, 2016*

**AP Calculus **

A race car is running practice laps in preparation for an upcoming race. To judge how the car is performing, the crew takes measurements of the car's speed S(t) (in miles per hour, or mph) every minute. The measurements are given in the table below. t (min) --- S(t) (mph 0...
*April 25, 2016*

**SCIENCE**

People Order Our Patties
*April 25, 2016*

**English**

A student completing research for a project enters the following search terms: Baseball AND history NOT semi-professional Which of the following best describes the likely results of this search? A.Sources that reference only general baseball history and exclude semi-...
*April 25, 2016*

**Lifeorientation**

Hlp pls
*April 25, 2016*

**math**

that is incorrect, according to college board.
*April 25, 2016*

**math**

0.55
*April 25, 2016*

**Economics**

Demographic transition during the agricultural age means high infant and child mortality is accompanied by high birth rates and population increases occur?
*April 24, 2016*

**Global Studies**

Was China's one child policy only for Han Chinese or was it for everyone? I have found lots of conflicting information on this. Thank you!
*April 24, 2016*

**Research **

How much did the watsons goes to birmingham trip cost in all. Including food, gas, motels,etc.
*April 24, 2016*

**Science**

The procedure for this would be explaining your steps, you would put it down as bulletins, for example 1. Get baking soda and pour in small glass 2. Pour vinegar in the small glass and record results. Those are just examples but that how you write down the procedure, now if ...
*April 24, 2016*

**Math**

You are making poster board boundary markers in the shape of square pyramids for a relay race. If you are including a 10-inch square as the bottom and you want the slant height to be 12 inches, how much poster board do you need? A: 340 inch B: 360 inch C: 384 inch D: 400 inch
*April 24, 2016*

**Math**

A bakery charges $0.10 for a cookie that is 2 inches in diameter. If the price is proportional to the area, how much do they charge for an extra large cookie that is 8 inches in diameter? Assume that each cookie is shaped of a circle. A: $0.40 B: $0.80 C: $1.60 D: $6.40
*April 24, 2016*

**Physics help**

a wave with a frequency of 3.1 hz and a wavelength of 0.3 meters experiences a lengthening of wavelength to 2.6 meters what is the new frequency of this wave? a wave generator produces a wave with a frequency of 45 hz and a wavelength of 1.9 meters. If the settings on the wave...
*April 24, 2016*

**math**

a triangle has sides 8cm and 5cm and an angle of 90 between them. calculate the smallest angle of the triangle
*April 24, 2016*

**chem**

factors that influence NMR intensity? All that my textbook says is "the intensity of NMR is influenced by many factors" that is not helpful at all >_>
*April 24, 2016*

**Math**

Given the geometric sequence: 19, 17111, 1539121, ⋯ Find an explicit formula for an, where the first term is a1=19. an= Find a6=
*April 24, 2016*

**counseling**

During the initial session, counselors should be sure to assess clients for each of the following problems except for:
*April 24, 2016*

**chemistry**

thank you :)
*April 24, 2016*

**chemistry**

also we had 0.3885 grams dissolved into a 100 mL vol flask... hmmm
*April 24, 2016*

**chemistry **

how do i calculate a weight/vol % from a molarity given the density? Molarity is 0.0303 M density = 1.52 g/mL, molar mass is 41.99 g/mol.
*April 24, 2016*

**chemistry**

The pH of human blood needs to be between 7.35 and 7.45. You want to prepare a buffer solution that gives a pH of 7.40. You decide to use a sodium phosphate buffer: the acid is H2PO− 4 and the conjugate base is HPO2− 4 . You want the concentration of the acid to be...
*April 24, 2016*

**Math**

24 oz. of soda cost $1.29. At that rate, how much would you expect 30 oz. of soda to cost?
*April 24, 2016*

**life orientation**

There is no help here,you guys r jst selfish,i dnt knw m still bothering my self about all this app.agg there is no help but selfishness her,jst get over your selves nd find a life man.to hell wth this app.and if you guys dnt hve anything beta to say here,jst go to facebook or...
*April 24, 2016*

**Chemistry**

You prepare a buffer solution by dissolving 2.00 g each of benzoic acid, C6H5COOH and sodium benzoate, NaC6H5COO in 750.0 mL of water. What is the pH of this buffer? Assume that the solution's volume is 750.0 mL.
*April 24, 2016*

**Anti-Derivatives**

A stone is dropped from the edge of a roof, and hits the ground with a velocity of −170 feet per second. Assume the acceleration due to gravity is -32 feet per second squared. How high (in feet) is the roof? I have found s which is 16^2 but I do not know what formula to ...
*April 24, 2016*

**math **

In a GP, the sum of the 3rd and 4th terms is -4 /3, and the sum of the 4th and 5th terms is -4 /9. Find the 6th term
*April 24, 2016*

**chemistry**

If 1 L HCl has a molarity of 0.10 M, what molar concentration of 1 L AgNO 3 is needed for HCl to completely react? How much product (moles and volume) will be formed? HCl(aq)+ AgNO3(aq) ->AgC(s)+HNO3(aq)
*April 24, 2016*

**chemistry**

If 1 L HCl has a molarity of 0.10 M, what molar concentration of 1 L AgNO 3 is needed for HCl to completely react? How much product (moles and volume) will be formed? HCl(aq)+ AgNO3(aq) ->AgC(s)+HNO3(aq)
*April 24, 2016*

**chemistry**

If 1 L HCl has a molarity of 0.10 M, what molar concentration of 1 L AgNO 3 is needed for HCl to completely react? How much product (moles and volume) will be formed? HCl(aq)+ AgNO3(aq) ->AgC(s)+HNO3(aq)
*April 24, 2016*

**English**

English is the language of opportunity why bother to teach indigenous languages?
*April 24, 2016*

**Chemistry **

One of the two possible rearrangements of the parent ion of 2-methyl-3-pentanol is more likely than the other. Which rearrangement is more likely, and explain why there is a difference?
*April 23, 2016*

**math**

Joe made 15 points in a basketball game, 3 points are given for a long shot, 2 points given for a field goal, and 1 point is given for a free throw. In how many ways can Joe score 15 points?
*April 23, 2016*

**relative and absolute change**

If you earn $1200 per month and you expect your earnings to increase by 10% per year, how much do you think you will be making per year in 5 years?
*April 23, 2016*