Tuesday

April 21, 2015

April 21, 2015

Total # Posts: 80,424

**math**

Find the mean of the following set of data. Round your answer to two decimal places. 13, 11, 4, 5, 6, 9, 10, 12, 15, 16
*February 25, 2015*

**physics**

Water flows over the edge of a waterfall at a rate of 1.2 x 106 kg/s. There are 50.0 m between the top and bottom of the waterfall. How much power is generated by the falling water by the time it reaches bottom?
*February 25, 2015*

**Mathematics **

If O is the centre of the circle and BCD is tangent to it at C. Prove that angleBAC +angleACD =90 DEGREE (ulike model test paper no. 6 QUESTION NO. 14)
*February 25, 2015*

**History**

What is the name of the money used in Italy?
*February 25, 2015*

**Geography **

The dry adiabatic rate (DAR) is 5.5 degrees F per 1000 feet. The saturated adiabatic rate (SAR) is 3.3 degrees F per 1000 feet. Why is SAR lower than DAR?
*February 24, 2015*

**Calculus**

1.) Find the derivative of tan (sec x). 2.) Find the derivative if 1/x in four ways, using the limit process, power rule, quotient rule and implicit differentiation. 3.) Show that the derivative of sec^-1 x is 1/(|x|*sqrt(x^2 -1)). 4. Find the derivative of 2^(e^(sin x)). ...
*February 24, 2015*

**Math **

Gordon Moore stated that the number of transistors that can be placed on an integrated circuit will double every 2 years. This trend is known as Moore's Law. In 1978, the Intel 8086 held 29,000 transistors on an integrated circuit. a. Write a function that represents Moore...
*February 24, 2015*

**Algebra 1**

The balance oif a savings account can be modeled by the function b(t)=5000(1.024)^t, where t is the time in years, To model the monthly balance, a student writes: b(t)=5000(1.024)^t = 5000(1.024)^(1/12 * 12)^t = 5000(1.024^1/12)^12t = 5000(1.002)^12t Is the student correct? ...
*February 24, 2015*

**physics**

A 0.125 kg mass is attached to a spring and undergoes simple harmonic motion with a pe- riod of 0.41 s. The total energy of the system is 2.5 J. Find the amplitude of the motion. Answer in units of m.
*February 24, 2015*

**Algebra 1**

The number of concert tickets sold doubles every hour. After 12 hours, all of the tickets are sold. After how many hours are about one-fourth of the tickets sold? Explain your reasoning.
*February 24, 2015*

**Math - Algebra 1**

How do you get that? That doesn't make sense if all the tickets are sold in 12 hours.
*February 24, 2015*

**Math - Algebra 1**

The number of concert tickets sold doubles every hour. After 12 hours, all of the tickets are sold. After how many hours are about one-fourth of the tickets sold? Explain your reasoning.
*February 24, 2015*

**math**

Brian cut an extra large round pizza into 8 pieces. Seven of th pieces were eaten. What angle measures of pizza is left?
*February 24, 2015*

**Art**

Yes, I would think so! ;) Hope you get it right!
*February 24, 2015*

**Art**

Please don't thank me, I love helping people, especially people as kind as you! Congrats, im sooo happy for you!!! :D
*February 24, 2015*

**Art**

I would definitely go with C. Please let me know if I am wrong ;)
*February 24, 2015*

**math**

Thank you
*February 24, 2015*

**math**

The perimeter of a rectangular window is 634 inches. If the length of the window is 205 inches, what is the width of the window? Is the answer 112 inches?
*February 24, 2015*

**algebra**

Find the quotient when (x^2+x-6) is divided by (x-2)
*February 24, 2015*

**Algebra**

Find the quotient when (x^2-3x-4) is divided by (x+1).
*February 24, 2015*

**Physics**

an arrow is shot into the air with an initial velocity of 100m is at an elevation of 60 degree find. a the time of flight b the maximum height attained. c the range
*February 24, 2015*

**math**

How would i simplify this: (x-1)(x+2)-(x-3)^2 I keel getting -3 -11, but the right answer is 7x - 11
*February 24, 2015*

**MATH AGAIN~Ms. Sue**

Its 2 degrees Fahrenheit. It dropped six degrees to become -4. You can use this equation: a - 6 equals -4 a equals 2.
*February 24, 2015*

**Math - Algebra 1**

You deposit $9000 in a savings account that earns 3.6% annual interest compounded monthly. You also save $40 per month in a safe at home. Write a function C(t) = b(t) + h(t) where b(t) represents the balance of your savings account and h(t) represents the amount in your safe ...
*February 24, 2015*

**government**

A federal court is said to have a “federal question” jurisdiction because
*February 24, 2015*

**Math**

A rental car company charges a fixed fee of $15.00 plus $.12 per mile. Write an equation to find the total cost, y, for any number of miles, x
*February 24, 2015*

**French**

ils nous ont achet¨¦ de grandes valises rouges
*February 24, 2015*

**Economics**

he graph below shows 2 budget lines and 6 consumption points for Pepsi and Dr. Pepper (A,B,C,D,E, and F). Assume that the consumer, Fred, attempts to maximize his utility and exhausts his budget on the two goods.
*February 24, 2015*

**i need help **

Which statement BEST describes the philosophy of John Locke?
*February 24, 2015*

**Crime and Society**

Present a clear statement about a particular crime, something we know to be absolutely true. Illustrate how we know that this is an accurate statement.
*February 24, 2015*

**life orientation**

Describe the conflict that exists between the shuold and the want
*February 23, 2015*

**Science**

Which of the following types of pathogens can only reproduce itself if it takes over host cells? A fungi B bacteria C virus *** D protozoa am i right?
*February 23, 2015*

**physics**

What is the force a rock exerts if it's mass is 36,000 kg and the acceleration due to Gravity is 9.8 m/s2
*February 23, 2015*

**math**

How can i simplify this furthur: 5x(x-3)/(x-1)(5x-15)
*February 23, 2015*

**geometry**

How can you tell that the distance from the top of a ladder to the ground is longer than the distance from the base of the ladder to the wall?
*February 23, 2015*

**Crime and Society**

What is an example of a widely held myth or misconception about crime and society?
*February 23, 2015*

**Crime and Society**

Discuss how society decides what to define as a crime.
*February 23, 2015*

**crime**

What is street crime considered to include? As well as white-collar, corporate, and state crime?
*February 23, 2015*

**Math**

divide $8.91 by 6 and round the quotient to the nearest cent.
*February 23, 2015*

**physics**

In being served, a tennis ball is accelerated from rest to a speed of 25.5 m/s. The average power generated during the serve is 2920 W. Assuming that the acceleration of the ball is constant during the serve, find the force acting on the ball.
*February 23, 2015*

**Math**

A store has 21 bikes and scooters. If there are a total of 54 wheels, how many of each are there?
*February 23, 2015*

**Math**

If Zachary takes 3 steps for every 2 steps Richie takes how nany steps will Zachary take if Richie takes 18 steps
*February 23, 2015*

**governement**

What is the role of congress in foreign conflicts?
*February 23, 2015*

**Math**

Eric and frank want to equally share 3/4
*February 23, 2015*

**Algebra**

Determine the solution set of 2x-3y<6 4x+4y<8 do I graph this?
*February 23, 2015*

**Science**

What type of element is fluorine?
*February 23, 2015*

**Algebra**

Given: f(x) = 3x + 4 and g(x) =1/4x -3 find: (a) g(f(x)) (b) f(g(-2)) (c) when f(g(x)) = 5
*February 23, 2015*

**government**

what was the original executive order and how did this ruling impact the order???
*February 23, 2015*

**Math**

Given f(5) = 5 and f(9) = -2 determine the equation of the linear function f
*February 23, 2015*

**Math**

If A(-6,-1) lies on the graph of h(x), find A^1 on the graph of j(x) if j(x) = h(3-x) + 4
*February 23, 2015*

**Math**

The 5th term of an arithmetic sequence is 22 and the 15th term is 62. Find the 100th term and the sum of the first 60 terms.
*February 23, 2015*

**math**

simplifying radical expressions 3\/""""4""7" 250z x sorry it was hard to type some of the characters.so it's cube on outside of 250 z to the 4th, xto the 7th inside the radical sign
*February 23, 2015*

**Algebra**

Billy watchedb the clown car drive up to the circus and saw 14 clowns get out of one little car the clowns made up 56% of the performers in the circus how may performers were in the circus
*February 23, 2015*

**math**

We need to find the length of AD. AB is 20cm, BC is 13cm and CD is 10 cm.
*February 23, 2015*

**solution making/ chemistry/biotech**

It makes no sense, unless the 20x means the stock solution was diluted 20 times, which would have been 1 Part stock, 19 parts water. one part then would have been 75ml.
*February 23, 2015*

**math**

do this as similar triangles. (3 11/12)/(5 11/12) = L/(14 5/12) solve for L . It is probably easier to change to inches... 47/71=LinInches/173 solve for L, then convert back to feet inches. Go Metric, for the life of me, I cannot understand why we are still using feet, yards, ...
*February 23, 2015*

**LA**

YEAH OKAY
*February 23, 2015*

**LA**

Well. That's why I came to Jiskha. I want me asking if I new the answer
*February 23, 2015*

**LA**

I don't know. That's why I asking.
*February 23, 2015*

**LA**

Why do you think the author wrote. "The Road Not Taken" and "O Captain! My Captain?"
*February 23, 2015*

**maths**

The Twisted River had approximately 5,300 Chinook salmon in 2008. The population has been decreasing at a rate of 8% per year. Write a function that gives the population in terms of y years after 2008.
*February 23, 2015*

**English**

Which one of the following words has more then four syilables
*February 23, 2015*

**LA**

I still don't understand
*February 23, 2015*

**LA**

Huh?
*February 23, 2015*

**LA**

Why do you think the author wrote both of these poems?
*February 23, 2015*

**LA**

That's not helping!
*February 23, 2015*

**LA**

What is the plot in the poem, "The Road Not Taken" and "O Captain! My Captain!"
*February 23, 2015*

**Physics**

A 5.5 kg block is released from rest on a frictionless inclined plane making an angle of 23.3° with the horizontal. Calculate the time it will take this block when released from rest to travel a distance of 0.7 m along the ramp.
*February 23, 2015*

**math**

have orange juice and mango juice. i have 0.5 liters more orange juice than mango juice. which could be the amounts of juice that I have?
*February 23, 2015*

**chemistry**

A closed container with a mixture of hydrogen, helium, and argon has a total pressure of 2.55 atm. The partial pressure of hydrogen is 0.700 atm and the partial pressure of argon is 705 mm Hg. What is the partial pressure of helium?
*February 23, 2015*

**psychology 110 chapter 7**

When Gina looks at an old photograph of her high school graduating class, a flood of memories comes rushing back. Gina finds herself going from one memory to the next. According to memory research, this process is referred to as ____________________.
*February 22, 2015*

**Vectors**

When Gina looks at an old photograph of her high school graduating class, a flood of memories comes rushing back. Gina finds herself going from one memory to the next. According to memory research, this process is referred to as ____________________.
*February 22, 2015*

**physics**

how do i figure the momentum of a 8.2 kg cannon ball moving at 9.3 m/s
*February 22, 2015*

**Math**

75 % ? I think
*February 22, 2015*

**art last question**

I am too happy for you!!! So glad to have helped :) This means your other question was d like i said too, right? :D
*February 22, 2015*

**art last question**

Thanks you were right! I thought that at first but then i changed it. Thanks i got a 100%
*February 22, 2015*

**art last question**

I believe it's definitely A. Check with your book and let me know :)
*February 22, 2015*

**Art**

I would go with d, tell me how it goes ;)
*February 22, 2015*

**Mathematics**

use rolle's theorem to show that the equation 7x^6-9x^2+2=0 has at least one solution in the interval (0,1)
*February 22, 2015*

**Calculus**

When given the f graph, how do you determine extrema of F(x)? Concavity of F(x)?
*February 22, 2015*

**Chemistry**

A small candle with a mass of 6.0 g was completely burned. the heat produced heated 100 g of water from 23.0 to 33.0 Celsius if 200 g were heated by the same candle the temperature change of the water would be: I don't understand this question
*February 22, 2015*

**health**

Why is heart disease the number one killer in north america
*February 22, 2015*

**history**

Does any body know already
*February 22, 2015*

**science**

9,8m.s/2upward
*February 22, 2015*

**english**

So top one is training with silver and the bottom one is moving around?
*February 22, 2015*

**math**

Barry is getting an early start on this year's summer chores, he started painting his house already. Barry started out with 110 ounces of blue paint, 120 ounces of red paint, 150 ounces of white paint. Barry painted 4 EQUAL SIZED stripes on his wall: 1 blue stripe, 1 red ...
*February 22, 2015*

**geometry**

I've got a sizable chunk of delicious sharp cheddar. My block of cheese is a perfect rectangular solid, dimensions are 10in x 13in x 14in. PLease help I have 10 friends at my house, so I cut 10 slices. Each slice is of width 1in, and it is cut parallel to one face of the ...
*February 22, 2015*

**Civics**

What are the qualifications for judges to hold their office?
*February 22, 2015*

**Life orientation **

Explain clearly how intrapersonal conflict can be addressed through engaging in physical exercises
*February 22, 2015*

**Math check**

1. If LMNO is a parallelogram, and LM=2y-9 and NO=y-2, find the value of 'y'. Does y=7? 2. RSTV is a parallelogram. RT and SV intersect at Q. RQ=5x+1 and QT=3x+15. Find OT. Does QT=7? 3. RATS is a parallelogram. If angle s= (8x) and angle t=(7x) then find the value of...
*February 22, 2015*

**life orientation**

explain clearly how intrapersonal conflict can be addressed through the following strategies engaging in physical exercises counselling and self talk
*February 22, 2015*

**life orientation**

*February 22, 2015*

**life orientation**

explain clearly how intrapersonal conflict can be addressed through the following strategies:engaging in physical exercises counselling and self-talk
*February 22, 2015*

**statistics**

asdasd
*February 22, 2015*

**math**

How would i expand (x-1)(x+2)-(x-3)^2
*February 22, 2015*

**math**

How would i solve (3x-2y)^3 I keep getting the wrong answer
*February 22, 2015*

**science**

A ball is dropped from a height of 10 m. If the energy of the ball reduces by 40% after striking the ground, how much high can the ball bounce back? (g=10m/s2)
*February 22, 2015*

**life orientation**

*February 22, 2015*