Monday

September 1, 2014

September 1, 2014

Total # Posts: 69,967

**math**

the nth term of a sequence is represented by 3 x 22¨Cn
*September 1, 2014*

**English help**

How you evaluate the pied pipers true motives for getting rid of the rats in "the pied piper of Hamelin"? It's an open ended response and this story is so confusing. Need help ASAP!!!
*August 31, 2014*

**chemistry**

a solution of oh negative ions is added to a beaker of pure water 25 degrees celcius to a final concentration of 137 nM calculate the ph of the solution
*August 31, 2014*

**chemistry**

a solution of oh negative ions is added to a beaker of pure water 25 degrees celcius to a final concentration of 137 nM calculate the ph of the solution
*August 31, 2014*

**Math**

Solve the following equations for the variable indicated. Please correct me if I'm wrong! 1. I=Prt for P Answer: I/P=rt 2. Solve C= 2ðr for r. Answer: C/r=2ð
*August 31, 2014*

**Algebra**

Write and then solve the equation for the following. Please correct me if I'm wrong!! 1. If 3x+2x is equal to 15, what is the value of x? Answer: x=3 2. If three times the quantity (4y-2) is equal to 18, what is the value of y? Answer: y=1
*August 31, 2014*

**Math **

Write the algebraic expressions for the following. Please check and correct me if I'm wrong!! 1. 3 less than 5 times a number. Answer: 5x-3 2. 18 fewer than half a number. Answer: 1/2x-18 3. 3 more than the quotient of a number and 2. Answer: x/2+3 4. 4 times the ...
*August 31, 2014*

**physics**

A ball is dropped a high cliff, and two second later another ball was thrown vertically downwards with an initial speed of 30 m/s.How long will it take the second ball to overtake the first?
*August 31, 2014*

**accont**

service revenue earned but unrecorded at june 30 totals RM2000
*August 31, 2014*

**Trigonometry**

A 30foot flagstaff is fixed in the center of a circular tower 40 feet in diameter. From a point in the same horizontal plane as the foot of the tower the angles of elevation of the top of the flagstaff and the top of the tower are found to be 36 and 30 degree respectively. ...
*August 31, 2014*

**physics.**

a cube is on a smooth horizontal force of mass m.a horizontal force is applied at its top.the maximum acceleration of cube without toppling
*August 31, 2014*

**physics : friction**

a man pushes a packing case which has a total mass of 50 kg across a floor at a constant speed of 0.4 m s-1 by exerting a horizontal force of 100 N. (a) what was the resultant force on the case? > F = ma F = 50 * 0 F =0 (b) what was the frictional force acting on the case...
*August 31, 2014*

**physics**

Find the force when two poles to strength 100 and 90 cgs units are placed at a distance to 20 cm a part.
*August 31, 2014*

**Science**

What do you learn in 7th grade science
*August 31, 2014*

**science**

Scientists performed an experiment to determine whether there is a connection between learning ability and food. They took two groups of 20 mice each, all from the same purebred strain. The mice were deprived of food for 3 days and then given a standard learning session in ...
*August 30, 2014*

**Physics**

thank you! that helps so much!I was able to work other questions that were similar to this question thanks to you :) What is in degrees as measured from the positive x in the counter-clockwise angular direction the direction of vector F?
*August 30, 2014*

**Physics**

I know I need to show my work but the problem is that I don't even know where to begin. I am taking an online physics class with a teacher that is not willing to help. So any guidance would be much appreciated. Consider the two vectors: F1: (220N, 41°), F2: (50N, 139&...
*August 30, 2014*

**astronomy 101**

Given that the angular size of Venus is 53ŒŒ'' when the planet is 47000000kmkm from Earth, calculate Venus's diameter (in kilometers).
*August 30, 2014*

**science**

Compute the density in g/cm3 of a piece of metal that has a mass of 0.345 kg and a volume of 59 cm3
*August 30, 2014*

**business**

The Garcia Company’s bonds have a face value of $1,000, will mature in 10 years, and carry a coupon rate of 16 percent. Assume interest payments are made semiannually.
*August 30, 2014*

**Algebra**

thank you!
*August 30, 2014*

**Algebra**

simplify: 12x^2 + 8x ------------- 9x^2 - 4
*August 30, 2014*

**Physics**

A 0.250-kg block of a pure material is heated from 20.0°C to 65.0°C by the addition of 4.35 kJ of energy. Calculate its specific heat and identify the substance of which it is most likely composed.
*August 30, 2014*

**Math**

Last week at a festival, a man sold 5 times as many tie-dyed T-shirts as silk-screened shirts. He sold 210 shirts altogether. How many tie-dyed shirts did he sell?
*August 30, 2014*

**Algebra II**

The perimeter of a triangle is 47 km. the first side is 5 km shorter than twice the second. the third side is 2 km longer than the first. find the length of each side.
*August 30, 2014*

**physics**

A blue ball is thrown upward with an initial speed of 24.1 m/s, from a height of 0.6 meters above the ground. 2.9 seconds after the blue ball is thrown, a red ball is thrown down with an initial speed of 8.5 m/s from a height of 31.8 meters above the ground. The force of ...
*August 30, 2014*

**math**

Hi I need help with 5 questions..some of it is confusing to me. I just want to make sure my answers are right. 1.6^-7 x 6^4 6^-3 ; 6^-11 ; 6^-28 ; 6^11 - my answer is 6^-3 2. 7/ 7^5 = 7^-2 (supposed to find the missing value which is the other exponent on top of the 7 that'...
*August 29, 2014*

**physics 12**

A hollow sphere us charged to 14uc .Find the potential(a) at its surface (b) inside the sphere (c) at a distance of 0.2m from the surface.The radius of sphere is 0.3 m
*August 29, 2014*

**physics**

Two positive point charges of 15 into 10^-10 C and 13 into 10^-10 C are placed 12cm apart.Find the work done in bringing the two charges 4cm closer ?
*August 29, 2014*

**math**

if x is 30% then the rest (20-x) is 10%. So, .30x + .10(20-x) = .15(20) x = 5 So, 5L of 30% and 15L of 10% Note how 15% is 3/4 of the way from 30% to 10%, so 3/4 of the mix is the 10% kind.
*August 29, 2014*

**math**

the number of block has 9 in the ones place. the number in the hundreds place is one more than the number in the tens place, those two numbers equal 11. how many blocks are there,
*August 29, 2014*

**physics**

A daredevil is shot out of a cannon at 36.5◦ to the horizontal with an initial speed of 36.1 m/s. A net is positioned a horizontal distance of 25.7 m from the cannon. At whatheight abovethecannon shouldthe net be placed in order to catch the daredevil? The acceleration ...
*August 28, 2014*

**Spanish**

Good screen names in Spanish for a girl?
*August 28, 2014*

**pol 201**

In Roe v. Wade, the Supreme Court located the right to privacy in the
*August 28, 2014*

**English: Showing Possession**

Okay. Thank you!
*August 28, 2014*

**English: Showing Possession**

In my English composition, I wrote the phrase "... my sister and I's favorite CD ..." According to my word processor's spell check there should not be an 's after I. Can 's be used after I? If not how would I show possession in the above phrase?
*August 28, 2014*

**Idk..**

Oooh okay thank you
*August 28, 2014*

**Idk..**

What does 'puex to voter pour moi svp' mean
*August 28, 2014*

**physics**

An unstrained horizontal spring has a length of 0.33 m and a spring constant of 209 N/m. Two small charged objects are attached to this spring, one at each end. The charges on the objects have equal magnitudes. Because of these charges, the spring stretches by 0.021 m relative...
*August 28, 2014*

**Maths**

I am a number between 10 and 20 you can add 2 to me and get the number that is the sum of 7 & 9 what number am I?
*August 28, 2014*

**physics**

a constant rrtarding force of50N is applied to a body of mass 20 kg moving initially with speed of 15 ms-1.How long does the body take to stop?
*August 27, 2014*

**Precal**

Name the quadrant that contains each angle a.) 2pi/3 b.) 230 degrees c.) pi/6 d.) 120 degrees e.) 7pi/4
*August 27, 2014*

**Math**

The initial amount of sugar in fermenting a batch of beer is 5.5grams. Over time the sugar decreases at a rate of 0.1grams per day. a. what is the amount of sugar that remains after 7 days? 23days? b. If A represents the amount of sugar, write an equation for the amount of ...
*August 27, 2014*

**Precal **

Do the following angles have the same terminal side? Yes or no 45 and 405
*August 27, 2014*

**algebra**

5x+3y–x=
*August 27, 2014*

**Biology**

In a controlled experiment, a scientist is studying how long it takes pea plants growing in different soil types to develop flower buds. What is the manipulated independent variable? a) type of soil used b) number of flower buds produced c) how long it takes for flower buds to...
*August 27, 2014*

**Chemistry**

You want to know if the amount of protein in a female rat’s diet affects the average birth weight of her individual offspring. In a controlled experiment, what would be the dependent (responding) variable? a) amount of protein in the diet b) average birth weight of ...
*August 27, 2014*

**Chemistry**

Dr. Penny Dollar is a health psychologist interested in getting more people to wash their hands after using the restroom. She places a stack of attractive terry cloth towels in one men’s room and a roll of brown, thin paper sheets in another men’s room in the same ...
*August 27, 2014*

**Physics **

a boy and a girl carry a 12 kg bucket of water by holding the ends of the rope with the bucket attached in the middle. if there is a angle of 100 degrees between the two segments of the rope ; what is the tension of each part?
*August 27, 2014*

**Math**

21/25= .84 Move the decimal to the right twice.. 84%
*August 27, 2014*

**Economics**

It's an article.. webpronews(dot)com/deliotte-media-study-2012-01
*August 27, 2014*

**Economics**

"If cable TV were a factor of production, which factor of production would it be and why?"
*August 27, 2014*

**Economics**

"If cable TV were a factor of production, which factor of production would it be and why?"
*August 27, 2014*

**Economics**

Cable would be a capital
*August 27, 2014*

**Economics**

I meant capital, sorry. Which is why I asked about goods and services.
*August 27, 2014*

**Economics**

So then it'd be labor..
*August 27, 2014*

**Economics**

Is a good or service something that us as people get?
*August 27, 2014*

**Economics**

Sorry, let me rephrase my question... Cable would be entrepreneurship right?
*August 27, 2014*

**Economics**

So it would be entrepreneurship right? (Business)
*August 27, 2014*

**Economics**

What's a factor of production? Can you put it in simple words please?
*August 27, 2014*

**Economics**

What is an opportunity cost of cancellong cable?
*August 27, 2014*

**algebra**

It cost $200 to rent a room they charge $13 per person what is the algebraic expressing for total cost for n?
*August 27, 2014*

**Chemistry**

How do you cope with a fire on your labatory bench?
*August 27, 2014*

**nevermind**

GOT IT.
*August 27, 2014*

**Question**

How do mole rats communicate? Gestures Smell Touch Symbols Or sounds?
*August 27, 2014*

**economics**

what are the costs and consequences of providing the susidies and welfare
*August 27, 2014*

**PLUS ONE**

two bodies begin to fall freely from the same height the second t second after the first.how long the first body begin to fall,will the distance between the two bodies be equal L.
*August 27, 2014*

**Math**

A shooting game has 10 targets. The player has 10 arrows. In order to win the game, the player must shoot all 10 targets. What is the probability of shooting all 10 targets?
*August 27, 2014*

**Chemistry **

How much water must be added to 963 g of solid sodium hydroxide needed in order to prepare a 1.50 M solution?
*August 27, 2014*

**Math **

Is 2.2 miles too long of a distance to walk to school?
*August 27, 2014*

**physics**

the diameter of the moon is 3480 km. A.)what is the surface area of the moon? B.)how many times larger is the surface area of earth?
*August 27, 2014*

**math (4th grade)**

1/6 is yellow
*August 26, 2014*

**math (4th grade)**

june made a DESIGN with 6 equal tiles.One tile is yellow, 2 tiles are blue,and 3 tiles are purple.What fraction of the tiles are yellow or purple?
*August 26, 2014*

**Math**

In a class of 80 students, 40 bring their textbooks to class, 20 bring some sort of beverage to class, 60 bring calculators to class, while 5 students bring nothing to class. If 30 students bring both their textbooks and calculators to class, how many students bring only a ...
*August 26, 2014*

**Chemistry**

a cap cork stopper from a bottle of liquid is not put down on a desk while you are pouring out some of the liquid why?
*August 26, 2014*

**Chemistry**

What procedures should you follow to:: 1. report spilling a chemical or breaking equipment? 2. cope with a fire on your lavatory bench? 3. dispose of cracked or broken glassware?
*August 26, 2014*

**Chemistry**

Why should you use only clean glassware?
*August 26, 2014*

**Math**

In order to solve 5-4x+7+6x, you must first combine like terms. -4x + 6x = -2x Here's your next equation: 5+7-2x Next, you add 5 and 7 together. 5 + 7 = 12 Finally, after you do that, you get the last equation: 12-2x This is your final answer. Hope this helps you for ...
*August 26, 2014*

**Math help**

(6x^4-x^3+11x^2-2x-2)/(3x+1) i don't know to solve it
*August 26, 2014*

**math**

absolutely not, more MITX would be more like In an effort to purify the output from a catalytic chemical reaction, C-Cl bonds are to be broken in a gaseous compound by means of LASER radiation. Determine the longest wavelength of radiation still capable of breaking the C-Cl ...
*August 26, 2014*

**math**

3x(4x-3y)-2(4x-3y)
*August 26, 2014*

**math**

i dont remeber
*August 26, 2014*

**math**

Simplify (3y-5)(3y+5)
*August 26, 2014*

**math**

Without using mathematical table or calculator evaluate 0.18x12.5/0.05x0.2?
*August 26, 2014*

**english**

Which is mostly missing from “The Lady in the Looking Glass” because it is a stream-of-consciousness narrative
*August 26, 2014*

**compound interest**

At the beginning of every year, Molly deposits $200 in a savings account that offers an interest rate of 20%, compounded annually. The total amount that Molly will have in her account at the end of 3 years is
*August 26, 2014*

**physics**

What's the net force acting on an 18-kg object if an acceleration of 3.0 m/s2 is produced? A. 54 N B. 12 N C. 6 N D. 36 N
*August 26, 2014*

**History,geography,tourism,math lit,zulu.**

Do Jiskha have A sarturday schools near soweto
*August 26, 2014*

**Grammar**

Write in the correct verb tense. 18.Joseph's English (improve, really) , isn't it? He (watch) American television programs and (study) his grammar every day since he first arrived in San Diego. Soon he will be totally fluent. I am not sure what verb tense to use. 19. ...
*August 26, 2014*

**Grammar**

18.Joseph's English (improve, really) , isn't it? He (watch) American television programs and (study) his grammar every day since he first arrived in San Diego. Soon he will be totally fluent. 19. When I (arrive) ARRIVED home last night, I discovered that Jane (prepare...
*August 26, 2014*

**math**

(6x^4-x^3+11x^2-2x-2)/(3x+1)
*August 26, 2014*

**science**

Baby chickens require a constant source of food. As chickens grow, more energy is needed for daily activities. Number of days 0, 1,2,3,4,5,6,7 and food eaten (grams) 0.0, 1.5,3.5,6.5,9.0,12.5,16.5,21.0 What type of graph will you use?
*August 25, 2014*

**Math - Probability**

There is a shooting game that consists of 10 targets. The player must use a bow to hit all the targets in order to win a prize. What is the probability of hitting all 10 targets if the player has 15 arrows?
*August 25, 2014*

**Math**

A game has a box containing four marbles - three red and one green. The player draws one marble at a time without replacement until the green marble is drawn. After that, the game is over. The game ends in four different ways. What is the probability of drawing a green marble ...
*August 25, 2014*

**Math**

3y=4x-18 3x=7-y
*August 25, 2014*

**Algebra**

Solve for x 2x^2 - 8 = 100
*August 25, 2014*

**Which of the following is not a requirement of eth**

Which of the following is not a requirement of ethical systems
*August 25, 2014*

**Math**

Her dining room is 5 yards by 10 yards rectangle. How much carpeting does she need to cover her entire dining room
*August 25, 2014*

**Math**

isosceles trapezoid with a perimeter of 52 meters; one base is 10 meters greater than the other base; the measure of each leg is 3 less than twice the base of the shorter base
*August 25, 2014*

Pages: **1** | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | Next>>