Sunday

December 28, 2014

December 28, 2014

Total # Posts: 410

**Algebra 2/Trigonometry**

How do I solve f(x)=x^3-6x^2+16x-96 using Descartes' Rule of Signs to find the number of positive and negative real roots, along with imaginary roots, but not with a graph?
*December 5, 2014*

**chemistry**

3moles KI in 500 g of H2O equals what molality?
*November 25, 2014*

**Pre-Calculus**

Use an Addition or Subtraction Formula to find the exact value of the expression: tan7π/12
*November 12, 2014*

**Physic**

What is g?
*October 17, 2014*

**Physic**

I need someone that can help with a formula any smart people. Law of universal gravitation f=g m 1 x m2 /r^2 needs to k ow what g is? Help?
*October 17, 2014*

**physics**

A metal sphere is launched with an initial velocity of 1.5 m/s as it leaves the ramp. The end of the ramp is 1.2 m above the floor. Calculate the range of the sphere.
*October 13, 2014*

**Chemistry Help! (Rydberg Equation)**

a) According to the Rydberg equation, the line with the shortest wavelength in the emission spectrum of atomic hydrogen is predicted to lie at a wavelength (in nm) of _____ b) According to the Rydberg equation, the longest wavelength (in nm) in the series of H-atom lines ...
*October 5, 2014*

**Pre-Calculus**

Find all solutions of the equation and express them in the form a + bi. 36x^2 − 12x + 2 = 0
*September 14, 2014*

**Pre-Calculus**

Find all zeros of the polynomial P(x)=x^3-x-6
*September 14, 2014*

**Accounting**

1. Compute the estimated uncollectible accounts at the end of the year using the following rates: Current 1% 1–30 days past due 3% 31–60 days past due 9% Over 60 days past due 25% 2. As of December 31, 2013, there is a credit balance of $208.20 in Allowance for ...
*September 12, 2014*

**Accounting **

Ultra Leather Products sells leather clothing at both wholesale and retail. The company has found that there is a higher rate of uncollectible accounts from retail credit sales than from wholesale credit sales. Ultra computes its estimated loss from uncollectible accounts at ...
*September 12, 2014*

**Math fractions**

70
*September 8, 2014*

**History**

Cross Out The One I Already Wrote
*August 15, 2014*

**History**

Choices –Choose only ONE for this section: (Social, Economic, or Political) • Include a specific piece of evidence from the “Analyze it” portion of your lesson to support your ranking of your “#1 Cost of the American Civil War.” • Include a ...
*August 15, 2014*

**History**

Explain in your own words why you listed this particular cost as the “#1 Cost of the American Civil War.”
*August 15, 2014*

** trigonometry**

To the nearest degree what is the angle formed with the ground by a 32 ft ladder if it is leaning against a wall at a height of 28 ft?
*May 8, 2014*

**College Physics **

A force platform is a tool used to analyze the performance of athletes measuring the vertical force that the athlete exerts on the ground as a function of time. Starting from rest, a 60.0 kg athlete jumps down onto the platform from a height of 0.600 m. While she is in contact...
*April 10, 2014*

**College Physics**

An astronaut of mass 84.0 kg is taking a space walk to work on the International Space Station. Because of a malfunction with the booster rockets on his spacesuit, he finds himself drifting away from the station with a constant speed of 0.570 m/s. With the booster rockets no ...
*April 10, 2014*

**College Physics **

Most of us know intuitively that in a head-on collision between a large dump truck and a subcompact car, you are better off being in the truck than in the car. Why is this? Many people imagine that the collision force exerted on the car is much greater than that experienced by...
*April 10, 2014*

**Physics (Help Please)**

Most of us know intuitively that in a head-on collision between a large dump truck and a subcompact car, you are better off being in the truck than in the car. Why is this? Many people imagine that the collision force exerted on the car is much greater than that experienced by...
*April 8, 2014*

**Physics (Help Please)**

An astronaut of mass 84.0 kg is taking a space walk to work on the International Space Station. Because of a malfunction with the booster rockets on his spacesuit, he finds himself drifting away from the station with a constant speed of 0.570 m/s. With the booster rockets no ...
*April 8, 2014*

**Physics (Help please)**

A force platform is a tool used to analyze the performance of athletes measuring the vertical force that the athlete exerts on the ground as a function of time. Starting from rest, a 60.0 kg athlete jumps down onto the platform from a height of 0.600 m. While she is in contact...
*April 8, 2014*

**math**

I am the greatest common factor of three numbers. Their sum is 36. The largest number is twice the smallest and the middle number is the mean of the other two. What are the three numbers? What number am I?
*March 31, 2014*

**Math**

One side of a triangular banner is 1 ½ times longer than the second side and 2 cm shorter than the third side. The perimeter of the triangle is 98 cm. How long is the shortest side?
*March 2, 2014*

**finance**

Texas Wildcatters Inc. (TWI) is in the business of finding and developing oil properties, and then selling the successful ones to major oil refining companies. TWI is now considering a new potential field, and its geologists have developed the following data, in thousands of ...
*February 25, 2014*

**social studies**

In 1846, the population of San Francisco, California, was only 200. By 1852, the city's population was 36,000. Which contributed the most to San Francisco's population change? (5 points) The Gold Rush The Mexican-American War The Monroe Doctrine The Trail ...
*February 23, 2014*

**Social Studies**

1.a 3.d 5.a
*February 13, 2014*

**Social Studies**

please help me! I need the answers! I'm desperate. PLEASE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
*February 13, 2014*

**Social Studies**

1.b 2.a 3.a 4.d 5.c
*February 13, 2014*

**LANGUAGE ARTS UGRENT!!! (Check Answers)**

1.b 2.b 3.b 4.b
*February 12, 2014*

**Science**

In a hypothetical experiment, the blood flow between two dogs is joined and one dog is stressed so that its heart rate goes up rapidly. What will happen to the heart rate of the second dog? a) It will remain calm because the heart rate is determined intrinsically in each heart...
*February 4, 2014*

**math**

i need all the answers
*February 3, 2014*

**math**

Help me please!
*February 3, 2014*

**math**

1. Which angles are adjacent angles? (1 point) ∠GBM and ∠FBC ∠CBX and ∠FBC ∠XBG and ∠FBC ∠MBY and ∠FBC 2. The measure of ∠3 is 101°. Find the measure of ∠1. (1 point) 101° 106° 74° 79° 3. Is line l...
*February 3, 2014*

**GEOMETRY MIDPOINT FORMULA steve how did this hapn**

hello, how did you got the ratio AB : BC = 1:3 ? Im just a little confuse, please explain briefly with the fraction, thanks.
*January 31, 2014*

**physics**

Heather and Matthew walk eastward with a speed of 0.76 meters per second east. If it takes them 50 minutes to walk to the store, how far have they walked? Answer in kilometers
*September 30, 2013*

**Math**

You are in charge of making punch for an upcoming school dance. The punch recipe makes 5 cups of punch by mixing 3 cups of cranberry juice with 2 cups of apple juice. What is the ratio of cranberry juice to apple juice?
*September 27, 2013*

**Math**

dsfe
*May 16, 2013*

**English**

Thank you!
*April 28, 2013*

**math ugh.**

ohhh
*April 4, 2013*

**math ugh.**

but how do u get 11 / 20
*April 4, 2013*

**math ugh. **

at a small private collage, 9/20 of the students are female. there are 2160 female students, then how much are male?
*April 4, 2013*

**sociology**

Which concept is stressed by symbolic interactionists?
*March 27, 2013*

**sociology**

Micah is studying child behavior in playgrounds throughout the world. He wants to see how the children react when teachers select the same child to be the first to use each piece of equipment. Which approach is Micah is using?
*March 27, 2013*

**sociology**

In what way were Karl Marx and Charles Wright Mills alike in their thinking and understanding of society?
*March 27, 2013*

**economics**

Is your consumer behavior influenced by advertising or the news? Discuss one or two examples of media that have influenced your desires or affected your consumer choices
*March 26, 2013*

**economics**

Give an example of a fairly major purchasing decision you've made in your lifetime. How did you justify the purchase? How did you prepare for it financially once you decided to make the purchase?
*March 26, 2013*

**physics**

a loaded cart, mass220-kg is pulled across the ground with the force of300n acting at angle 37 degree with the horizontal. how much work is done in moving the cart 20m?
*March 20, 2013*

**MATH - HELP PLEASE!!**

THANKS KEN!
*February 27, 2013*

**Physics**

The electric potential inside a charged spherical conductor of radius R is given by V = kQ/R, and the potential outside is given by V = kQ/r. Using Er = -dV/dr, derive the electric field inside and outside this charge distribution.
*February 15, 2013*

**chemistry Emergency TEST**

I was able to solve the frist one.Some of problems come when iam finding the limiting reactant and decompisition.
*February 14, 2013*

**chemistry Emergency TEST**

1.How many moles of sodium oxide are produced when3.9 moles of sodium combine with excess oxygen. 2. Sodium chloride decomposes into elemental sodium and elemental chlorine.How many grams of chlorine will be produced if 39.4 grams of sodium chloride decomposes 3.If 6.7 moles ...
*February 14, 2013*

**physics 112**

what is meant by a change in temp of 1 degree celcius on the scale of a platinum resistance thermometer
*January 27, 2013*

**Physics**

A 75.0kg bobsled is pushed along a horizontal surface by two athletes. After the bobsled is pushed a distance of 4.5m starting from the rest, its speed is 6.0m/s. Find the magnitude of the net force on the bobsled.
*January 10, 2013*

**Alegebra 1 **

(1,3) (-3,-5)
*December 4, 2012*

**Math**

What is the next number in the pattern 20,000;4,000;800;160;____
*November 13, 2012*

**Math**

11,310
*November 2, 2012*

**Math**

446 divided by 11
*October 19, 2012*

**Physics**

Mathematically determine the resultant force if two forces A and B act on an object. Force A is 85N and is at an angle of 20• to the horizontal. Force B is 125N and is at an angle of 60• to the horizontal.
*October 11, 2012*

**Geography(Eighth Grade)**

How did Europeans feel about Columbus's first voyages to america? Were they happy because they found new land or?
*October 3, 2012*

**Science**

Can you check my answers for me? The answers I picked have a check mark next to them. Thank you. 1. Darwin’s theory of evolution by means of natural selection proposes that changes happen from generation to generation from ____________ of an organism to the environment. (...
*October 2, 2012*

**Math**

Create an addition word problem and a subtraction word problem using fractions. Show how to find the solution to each problem. Once you find the solutions to your problems, rewrite the solutions as either a terminating or nonterminating decimal.
*October 1, 2012*

**Finance**

Suppose that five years ago Cisco Systems sold a 15-year bond issue that had a $1,000 par value and a 7 percent coupon rate. Interest is paid semiannually. a. If the going interest rate has risen to 10 percent, at what price would the bonds be selling today? b. Suppose that ...
*September 27, 2012*

**physical scinsce**

A cannon that is 10m long is designed to launch a 10kg ball over a castle wall. In order to do this the ball must have a speed of at least 50m/s as it exits the cannon. For every 10kg of explosives used, the force on the ball in the cannon increases by 1000N. How many kg of ...
*September 27, 2012*

**physical scinsce**

A cannon that is 10m long is designed to launch a 10kg ball over a castle wall. In order to do this the ball must have a speed of at least 50m/s as it exits the cannon. For every 10kg of explosives used, the force on the ball in the cannon increases by 1000N. How many kg of ...
*September 27, 2012*

**physical**

A cannon that is 10m long is designed to launch a 10kg ball over a castle wall. In order to do this the ball must have a speed of at least 50m/s as it exits the cannon. For every 10kg of explosives used, the force on the ball in the cannon increases by 1000N. How many kg of ...
*September 27, 2012*

**physics**

How far away did the ball land from the table? t=D/S t= 1.2m÷2m/s t= 0.6 s D=1/2 at^2 D=0.5*(9.8 m/s/s) * 0.6^2 D= 4.9 m/s/s * 0.36 D= 1.764m rounded to sig. figures: 1.8 m
*September 25, 2012*

**math**

a fencing company was asked to enclose three gardens with wire fences: a rectangular garden with a length of 270 meters and a width of 1123.62 meters; a square garden with a side length of 657.955 meters; and a rectangular garden with a width of 35 meters and a length that is ...
*September 20, 2012*

**Financial management**

Im having a little trouble can someone please help me. Im not sure if my answers were right or what the rest would be. 1. _________C__________ is the interest rate in which NPV equals zero. a. Required Rate of Return b. Annual percentage rate (APR) c. Internal Rate of Return ...
*August 6, 2012*

**CRITICAL THINKING**

Sorry
*July 8, 2012*

**CRITICAL THINKING**

How do you apply critical thinking to someone's else writing?
*July 8, 2012*

**5th grade math**

the points that amelia scored for each game are shown 325, 198, 262, 301, 275, 229 after her seventh ga, the range of her points was 129 points how many points did she score in the seventh game
*April 19, 2012*

**math**

colin is buying dirt to fill a garden bed that is a 9 foot by 16 foot rectangle. if he wants to fill it to a depth of 4 inches, how many cubic yards of dirt does he need? if dirt costs $25 per yard, how much will the project cost?
*April 19, 2012*

**Science**

The wood floated because it is less dense than water.
*April 17, 2012*

**American Literature**

wwho love it and understand it are the people who own it—for a little while”
*April 14, 2012*

**Electronics**

Can you help with questions that have diagrams you must use?
*March 29, 2012*

**Math**

Simplify with only positive exponents: (v^-1/2t)^-2(t^2/v^-2)^-3
*March 20, 2012*

**calculus**

Simplify with only positive exponents: (v^-1/2t)^-2(t^2/v^-2)^-3
*March 20, 2012*

**science**

how far will 350 jules raise a block weighing 7n
*March 12, 2012*

**world history**

its a
*March 9, 2012*

**calculus**

I just cannot get this one. I think I have to do something with log but that's as far as I can go. 5^x=100
*February 27, 2012*

**Chemistry**

When one of the following substances is dissolved in water, the only positive ions in the solution are hydrogen ions. NaOH NaH H2S Nh3
*February 25, 2012*

**Chemistry**

When one of the following substances is dissolved in water, the only positive ions in the solution are hydrogen ions. CH3OH LiOH PO4 -3 CO 3 -2
*February 25, 2012*

**Chemistry**

What species is classified as an Arrhenius base?
*February 25, 2012*

** life orientation**

Answers
*February 21, 2012*

**Algebra**

3/16=h/2 what is the value of H
*February 16, 2012*

**Chemistry**

Zinc sulfide and oxygen gas react to form oxide and sulfur dioxide. Determine the amount of ZnO that should be produced in a reaction between 46.5 g of ZnS and 13.3 g of oxygen. What is the mass of the xs reactant? Please show work
*February 15, 2012*

**math**

how do i write 94.6 as a fraction
*December 15, 2011*

**spanish**

is Ella bebe nunca cafe. grammatically correct
*December 11, 2011*

**Physics**

A stone is whirled at the of a rope 20cm long making 5 complete revolution in 2seconds.calculate the angular velocity and the linear speed and the distance covered in 10seconds.
*November 12, 2011*

**Algebra**

Flying with wind, a plane flew 800 miles in 5 hrs. Flying against the wind, the plane flew the same distance in 8 hrs. Find the still air speed and wind speed.
*November 7, 2011*

**math**

Explain why 0.7=0.70.
*November 2, 2011*

**math**

Explain why 2tenths is larger than 2 hundreths.
*November 2, 2011*

**math**

Explain why 0.7=0.70.
*November 2, 2011*

**s.s**

it is tea
*November 2, 2011*

**math**

Explain why one column in a hundredths grid is equal to one column in a tenths grid?
*November 1, 2011*

**math**

i am a number between 20 and 30. when u divide me into 6 equal groups, there is an even number in each group and 2 are left over. what number and I
*October 30, 2011*

**Math**

3(x+5)=3x(x+15) what math property is this
*October 21, 2011*

**English **

what is immperative sentence and interrogative sentence
*October 20, 2011*

**math**

The mass of a bag of sand was 2.95 kilograms when it was 2/3 full. When 1/6 of the sand was removed, the mass of the bag of sand became 2.325 kilograms. Find the mass of the empty bag in kilogrmas. Help!
*October 18, 2011*

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