Tuesday

November 24, 2015
Total # Posts: 714

**Math **

A manufacture has been selling 1400 television sets a week at $450 each. A market survey indicates that for each $14 rebate offered to a buyer, the number of sets sold will increase by 140 per week. a) Find the function representing the demand p(x) , where x is the number of ...
*November 12, 2015*

**Math **

The blood vascular system consists of blood vessels (arteries, arterioles, capillaries, and veins) that convey blood from the heart to the organs and back to the heart. This system should work so as to minimize the energy expended by the heart in pumping the blood. In ...
*November 12, 2015*

**Math **

A street light is at the top of a 16 ft tall pole. A woman 6 ft tall walks away from the pole with a speed of 8 ft/sec along a straight path. How fast is the tip of her shadow moving along the ground when she is 30 ft from the base of the pole? How fast is the length of her ...
*November 12, 2015*

**Alegebra**

I need some help just setting up an equation for this problem, I cannot figure it out. One train travels from A to B at 19mph. A second train travels from B to A at 21 mph. One hour before the trains pass each other, how far apart are they?
*November 11, 2015*

**Organic Chemistry**

How am I supposed to do these questions? I'm completely lost. A 0.120 M solution of an enantiomerically pure chiral compound D has an observed rotation of 0.12° in a 1-dm sample container. The molar mass of the compound is 130.0 g/mol. (b) What is the observed rotation...
*November 8, 2015*

**chemistry**

Write the balanced equation for the reaction of aqueous Pb(ClO3)2 with aqueous NaI. Include phases. What mass of precipitate will form if 1.50 L of highly concentrated Pb(ClO3)2 is mixed with 0.350 L of 0.290 M NaI? Assume the reaction goes to completion.
*October 10, 2015*

**Physics help!!**

A plane is flying horizontally at constant speed, vo. when it releases a package. The package lands on the ground at t seconds later. Just before the package lands... a. What is its horizontal component of velocity? Leave in terms of vo and t. b. What is its vertical component...
*September 25, 2015*

**Chemistry**

.0000625
*September 25, 2015*

**Math**

If I have a random stack of 5 quarters, the 1st 3 quarters are heads. What is the probability the the 4th quarter would be another head What is the probability the the 4th quarter would be a tail Is there a way to show the probability or odds that you would continue to keep ...
*September 23, 2015*

**english**

compare and contrast the words maneuver and manipulate
*September 20, 2015*

**Physics**

Thank you, but it did actually say meters haha
*September 18, 2015*

**Physics**

Two airplanes leave an airport at the same time. The velocity of the first airplane is 730 m/h at a heading of 44.6 degrees. The velocity of the second is 610 m/h at a heading of 100 degrees. How far apart are they after 2.3 h? Answer in units of m.
*September 18, 2015*

**Physics**

A model rocket is launched from rest with an upward acceleration of 6.30 m/s2 and, due to a strong wind, a horizontal acceleration of 1.50 m/s2. How far is the rocket from the launch pad 5.30 s later when the rocket engine runs out of fuel?
*September 9, 2015*

**Culler middle school**

-4*3=
*August 30, 2015*

**language arts**

I guess just foods that are good for you
*August 16, 2015*

**language arts**

what are some examples of benign foods
*August 16, 2015*

**ENGLISH**

2)Writing 3)Checking for mistakes 4)revising
*July 7, 2015*

**algebra**

Susan is on her way home in her car. She has driven 24 miles so far, which is one-half of the way home. What is the total length of her drive?
*June 29, 2015*

**Algebra**

1 year
*April 29, 2015*

**Biology**

What is osmosis
*April 27, 2015*

**Further maths**

Show graphically the solution sets of the following inequalities: (a) X square - 7 * h2 > 0 (b) 3X square - 5X - 2 > 0
*April 27, 2015*

**Physics**

A 250kg car initially at rest was travelling with acceleration of 10m/s square. Calculate the kinetic energy after 3 seconds
*April 27, 2015*

**calculus check**

Find the limit as x approaches 3 of [(2x^3-5x^2+7)/(3sin(xpi/6)-cos(xpi))] When I plugged in 3, I got 4.
*April 26, 2015*

**math**

Raymond has four more sisters than Tyler.Write a number sentence to show Raymond=r tyler=t
*April 26, 2015*

**calculus**

If f(x)=the integral of (3x^2+2x+4) dx, find C if f(1)=10.
*April 26, 2015*

**physics**

A charge of -4.50 10-6 C is placed at a point in space where the electric field is directed toward the right and has a magnitude of 9.00 104 N/C. What are the magnitude and direction of the electrostatic force on this charge?
*April 23, 2015*

**Physics**

Two disks are originally separated. The mass of Disk #1 is 1.5 kg, and the mass of disk #2 is 2.6 kg. Disk #1 has a radius of 10 cm, and it is rotating at an angular velocity of 15.0 rad/sec. Disk #2 has a radius of 15 cm, and it rotates in the opposite direction at an angular...
*April 6, 2015*

**physics**

2. On the spin cycle on a washing machine, the drum holding the clothes goes from zero to 180 rpm (revolutions per minute) in 8.0 seconds. (Hint: Be sure to change rpm to radians/sec.) (a) What is the angular acceleration (in radians/sec2) during this time period? (b) How many...
*April 6, 2015*

**math**

3 times 2 and 2/5
*March 21, 2015*

**chemistry**

net ionic equation for reaction between copper carbonate and the hydroiodic acid
*March 21, 2015*

**Algebra**

HI can you please help this is the only question I cant figure out :) Graph the linear function y = 1/3x - 4 1/3 is one third :)
*March 17, 2015*

**Algebra**

What are the first four terms of an arithmetic sequence if the common difference is 1.5 and the first term is 15? 15,30,45,60 15,16.5,18,19.5 15,22.5,33.75,50.625 none of the above What are the first four terms of a geometric sequence if the common ratio is 10 and the first ...
*March 9, 2015*

**math**

A spring is attached to the ceiling and pulled 12 cm down from equilibrium and released. The amplitude decreases by 17% each second. The spring oscillates 16 times each second. Find an equation for the distance, D the end of the spring is below equilibrium in terms of seconds, t.
*March 1, 2015*

**Algebra II**

Let 1990 be 1, 1991 be 2, 1992 be 3, and 1994 be 4 3885=10(3^3)+115(3^2)+25(3)+2505 3885= 270 + 1035 + 75 +2505 3885=3885 1992 is the answer
*March 1, 2015*

**math**

I multiplied my number by 102,then subtracted 228. I then divided by 6.Finally I added 51. My result was 200. What number was I thinking of ?
*February 22, 2015*

**bioilogy**

Discuss possible benefits and drawbacks of a transgenic organism such as Bt corn?
*February 12, 2015*

**math **

use these 5 digits to make 24 0-1-2-3-4 Use each digit only once. record how you made 24
*February 8, 2015*

**math**

use an array to explain how you can solve 15 x 6 using facts that you already know
*February 7, 2015*

**Chemistry**

Arrange the following compounds in order of decreasing ease of elution from a column of silica gel: a) 2-octanol; b) 1,3-dichlorobenzene; c) tert-butylcyclohexane; d) benzoic acid
*February 4, 2015*

**Algebra**

If x is the length and y is the width of a rectangle, find and graph all integer pairs(x,y) that create a rectangle with a perimeter of 12 cm.
*January 26, 2015*

**business math**

The French company has a beginning inventory of $77,000 and an ending inventory of $80,000. sales were $280,000. assume French's markup rate on the selling price 40%. based on the selling price what is the inventory turnover at cost. please explain?
*January 23, 2015*

**physics **

The driver of a car traveling at 60 ft/sec suddenly applies the brakes. The position of the car is s(t) = 50t - 2t2, t seconds after the driver applies the brakes. How many seconds after the driver applies the brakes does the car come to a stop?
*January 22, 2015*

**calculus **

The driver of a car traveling at 60 ft/sec suddenly applies the brakes. The position of the car is s(t) = 50t - 2t2, t seconds after the driver applies the brakes. How many seconds after the driver applies the brakes does the car come to a stop?
*January 22, 2015*

**Math/physics**

Steve??? Can you help me?
*January 16, 2015*

**Math/physics**

This is my last problem. Please help! A motorcycle rider starts out on top of a ramp 10 m high and then rides down and jumps the motorcycle when he comes to the end of the ramp (like evil knivel). The rider is at the peak of his jump at 5 m. How fast is the motorcycle going ...
*January 16, 2015*

**Math**

Thank you, Steve!
*January 15, 2015*

**Math**

Can someone please help me set this up. I didn't quite understand how to do this today. Before leaving Earth, the mass of an astronaut is measured to be 60kg. The astronaut lands on the Moon and measures the acceleration of gravity to be 1.6 m/s2(squared). What would the ...
*January 15, 2015*

**Math - Ratio**

A map scale is 1:10,000. Find the actual distance in centimetres represented on a map by 5cm. Convert your answer to metres and kilometres.
*January 13, 2015*

**Physics**

Right now in physics we are learning about electric potential energy and electric potential. My question is: P and Q are points within a uniform electric field that are separated by a distance of 0.1 m. The potential difference between P and Q is 50 V. How much work is ...
*January 9, 2015*

**fractions**

In Mr. Johanessen's class, 1/4 of the students failed the final exam. Of the remaining class, 1/3 scored an A. What fraction of the whole class passed the test but scored below an A?
*January 8, 2015*

**algebra**

Two positive whole numbers are in a ratio of 3 to 4. If the smaller of the two numbers is 9, what is the average of the two numbers?
*January 8, 2015*

**Algebra PLEASE?**

Using the numbers 5, 8, and 24, create a problem using no more than four operations (addition, subtraction, multiplication, division, square, square root, cube, cube root) where the solution will be an irrational number. Explain why the result of your operations is an ...
*January 6, 2015*

**Math**

Evaluate 1/3 + square root(3)/12 + 1/16 + square root (3)/64. I hope this makes sense. Right now we're learning sequences and series and I'm really confused on this question.
*December 15, 2014*

**English Help**

I got it :) I realized that Thank you!
*December 10, 2014*

**English Help**

To what extent can goals and behaviors change as a result of learning
*December 10, 2014*

**Algebra please?**

This is my last test question :) How does finding the square root of a number compare to finding the cube root of a number? Use the number 64 in your explanation.
*December 9, 2014*

**MY BRO'S B-DAY HELP!!!**

Bruh you can let him play your videogames if you have any with you! :) I always liked it when my brother let me play with him :D
*December 9, 2014*

**AP Calc **

A spherical snowball is uniformly melting art of rate of pi/18 in^3/min. At what rate is its diameter decreasing when its surface area is 3 in^2?
*December 9, 2014*

**Algebra Help please?**

is it 256?
*December 6, 2014*

**Algebra Help please?**

what is the value in "x" in 16^2 = x
*December 6, 2014*

**Algebra PLEASE Help**

3(4 - 2x) - -2x SHow how you did it?
*December 4, 2014*

**Math**

isn't it 7m + 3m = 10m?
*November 20, 2014*

**Pls Help **

:/ Im sorry but its not that i'm impatient I has to go somewhere soon D:.
*November 20, 2014*

**Science help URGENT**

Muscles located in the walls of the small intestine help push digested material along. Muscles located in the walls of arteries help push blood along. Based on this information and your understanding of muscle types, which of the following statements is correct? Both sets of ...
*November 20, 2014*

**LA - 2 questions**

She will go to paris next autumn Im not sure But, bleak means Like cold and cloudy, Unwelcomeing, or discouraging
*November 19, 2014*

**Algebra Help! Please**

So there is no solution?
*November 19, 2014*

**Algebra Help! Please**

Ok so I did what you told me reiny but I cant figure out number three which is here 10x - 2 - 6x = 3x - 2 + x Please show how You did it please?
*November 19, 2014*

**ALGEBRA Help Please**

Decide whether each equation has one solution, no solution or infinitely many solutions 2(x - 3) = 2x 3(y - 3) = 2y - 9 + y 10x - 2 - 6x = 3x - 2 + x 4(x + 3) + 2x = x - 8 Please Show how you did it if possible please thanks! :)
*November 19, 2014*

**Science? Help**

Summarize the steps of sexual reproduction and explain how it increases genetic diversity.
*November 18, 2014*

**Algebra Help**

Oh Ok thank you
*November 18, 2014*

**Algebra Help**

Last one 3(x - 4) = 5(x + 2) Please show how you did it
*November 18, 2014*

**Algebra Help**

Than You Mrs. Sue :D
*November 18, 2014*

**Algebra Help **

8x – 3 = 15x + 18 x = –3 x = 3 x = 2.1 x = .9 Can you show how you did it please?
*November 18, 2014*

**math (stats)**

but how do use percent?
*November 17, 2014*

**math (stats)**

The cholesterol levels of adult American women are approximately normal with the mean of 188 mg/dl and a standard deviation of 24 mg/dl. a company wants to test a certain medication for women falling in the highest 15% of cholesterol readings. what is the lowest cholesterol ...
*November 17, 2014*

**one more history question please?**

How did sectionalism emerge in the 1820s? Compare the priorities of the regions
*November 13, 2014*

**Math**

Your welcome!
*November 13, 2014*

**Math**

2.001,2.01, 2.011 , 2.1, 2.11 :)
*November 13, 2014*

**History Help Please?**

Thank You All!
*November 13, 2014*

**History Help Please?**

What resources led to the appearance of the Industrial Revolution in New England?
*November 13, 2014*

**Algebra Help URGENT Please?**

1,900?
*November 11, 2014*

**Algebra Help URGENT Please?**

Ooops lol crap wrong answer
*November 11, 2014*

**Algebra Help URGENT Please?**

so like 38.7 increase? the is closest in my answers
*November 11, 2014*

**Algebra Help URGENT Please?**

Jamie is a salesperson in a shoe store and earns $95 per week, plus 20% of her weekly sales. If Jamie makes $475 in one week, what are her sales for that week?
*November 11, 2014*

**Algebra help URGENT Please?**

Ok I got $4.15 but ok thx :D
*November 11, 2014*

**Algebra help URGENT Please?**

Chris and five of his friends go out to dinner. The total bill comes to $124.29. They decide to leave a 20% tip. Each person will contribute an equal amount to the total tip. Estimate what each person should contribute. a$29.00 b$21.00 c$5.00 $4.15
*November 11, 2014*

**Science plz?**

Identify the process that is necessary for sexual reproduction, explain why it is necessary, and identify how this process increases genetic variation.
*November 10, 2014*

**English**

What are some words that start with 'w" and mean the same as "change"?
*November 9, 2014*

**science**

green
*October 30, 2014*

**algebra 2**

d=0.5*g*t^2 therefore, t^2= d/ (0.5*g) where: d= 2500 ft g = 32.2 ft /sec^2 solving t: t^2 = 2500/ (0.5*32.2) t^2 = 155.28 sec^2 t= 12.46 sec
*October 27, 2014*

**physics**

an airplance traveling at 450 km/h needs to reverse its course. the pilot decides to bank the wings at 12 degrees. find the time needed to reverse the course
*October 19, 2014*

**S.S.**

You are correct
*October 18, 2014*

**Math Algebra**

Thank you
*October 18, 2014*

**Math Algebra**

Ok so I have figured out that u multiply the coordinates by 2 so am I right? V(12,4) W(-4,8) X(-6,-4) Y(6,-10)
*October 18, 2014*

**Math Algebra**

The coordinates of quadrilateral VXY Are given below. Find the coordinates of its image after a dilation with the given scale factor V(6, 2), W(-2, 4), X(-3, -2), Y(3, -5) scale factor of 2 This question is confusing me and is worth 3 points please help :)
*October 18, 2014*

**Music**

And dubstep
*October 18, 2014*

**Math algebra Help please**

thanks guys
*October 16, 2014*

**Math algebra Help please ms.sue**

Plz halp
*October 16, 2014*

**Math algebra Help please**

A right triangle has an area of 24 ft^2 the dimensions of the triangle are increased by a scale factor of 6 A.48ft^2 B.72ft^2 C.144ft^2 D.864ft^2
*October 16, 2014*