Thursday
November 27, 2014

Posts by erin


Total # Posts: 611

College Algebra 1
What is the interval notation for -4(x+9)^3(x-11)^4(x+6)>0
October 19, 2014

physics
We're you able to solve this? I cant find the answer!
October 11, 2014

Calculus
Would you please check my answer to make sure I did it right? Bus travel, a bus company finds that monthly costs for one particular year were given by C(t) = 100 + t^2 dollars after t months. After t months the company had P(t) =1000 +t^2 passengers per month. How fast is its...
October 9, 2014

Math
1. Find the common ratio and the 7th term of the sequence 2/9, 2/3, 2, 6, 18, ..... 2. The 3rd and 5th terms of a geometric sequence are 2 and 1/2 respectively. What is the first term? 3. Find the geometric mean between: a. 1/2 and 1/3 b. sqrt5 - sqrt2
October 7, 2014

Math
Find the number of the sides of a regular polygon, if the measure of one of its exterior angle is between 28 and 32.
October 3, 2014

Math
If the measure of an interior angle of a regular polygon is 165, find the sum of the measures of its interior angles
October 3, 2014

Math
The sum of the measures of four of the angles of a heptagon is 520. Two of the remaining three angles are congruent. The other remaining angle is 3/2 the measure of one of the two congruent angles. Find the measures of the remaining angles.
October 3, 2014

Math
1. Victor brought a brand new car for 750,000. IF the value of the car depreciates 20% per year, what will it be worth during the fourth year? 2. Given the terms a10 = 3/512 and a15 = 3/16384 of a geometric sequence, find the exact value of the first term of the sequence.
October 3, 2014

Calculus
Find all values of x if any where the tangent line to the graph of the given equation is horizontal? y= x - sqrt (x) I am very confused would I work it like this? y = x - x^-1/2 then set x = 0? Please explain. thank you!
October 2, 2014

physics
A net force of 5.34 N acting for 4.23 s on a mass initial at rest, causes it to travel 4.75 m in a straight line. What is the mass?
October 2, 2014

Math
1. A 16-team bowling league has 800,000 to be awarded as prize money. If the last-placed team is awarded 12,500 in prize money and the award increases by a constant amount for each successive finishing place, how much will the first-placed team receive? 2. In Museum A, a stamp...
October 1, 2014

Calculus
I am so lost, I have no idea what to do next. Find the equation of the tangent line to the graph at the indicated point f(x) =x^2 +x ; a=-1 I started out using f(-1)= (-1+h)-(-1)/h but i am so lost on what to do next. I have tried to look at examples in the book, but i do not ...
September 25, 2014

Math
What is a1 if a33 is equal to -2p and a74 = 26p? Our topic is arithmetic series and sequence. Thanks.
September 22, 2014

Algebra
What is a1 if a33 is equal to -2p and a74 = 26p? Our topic is arithmetic series and sequence. Thanks.
September 21, 2014

Reading
Where do I put it on the poster?
September 5, 2014

Reading
It was more of a curse.
September 5, 2014

Reading
If I'm putting it down on the poster, do I write it as it is or do I write it like this: "A faerie named Maleficent decided to cast a spell on the King and Queens new-born named Aurora. She did this in revenge of King Stefan cutting off her wings." -
September 5, 2014

Reading
A faerie named Maleficent decided to cast a spell on the King and Queens new-born named Aurora. She did this in revenge of King Stefan cutting off her wings.
September 5, 2014

Reading
When Maleficent heard that Stefan cut her wings off so he could become King, she was furious.
September 5, 2014

Reading
Yes.
September 5, 2014

Reading
The plot is that there was a young faerie named Maleficent who fell in love with a human. The human (Stefan) stopped seeing her as they got older, and intended to kill her so he could become king. Instead, he cut off her wings as proof that he killed her. When Maleficent heard...
September 5, 2014

Reading
For my movie poster, I decided to do one on the movie "Maleficent". I still don't know what to write for critic reviews focusing on the theme and plot.
September 5, 2014

Reading
Are critic reviews usually 1-2 sentences? (I'm writing one for a movie poster)
September 4, 2014

Reading
What is a critic review?
September 4, 2014

Physics
A sphere of radius R has inhomogeneous charge distribution on its surface. Its surface charge density is σ = σ0 cos θ, where σ0 is a positive constant, and θ is the angle from the “north pole” to the point of interest and satisfies 0 ≤...
September 4, 2014

Reading
For a movie poster, I'm supposed to have 2 critic reviews that should focus on the plot and theme. What should I write?
September 4, 2014

Math
640 acre is how big?
August 29, 2014

Literature-Help me Ms. Sue
It's not a reflective poem. It's discursive. It's an argument against death being the end-all, and an argument in poetry is referred to as discursive. Changes my mind about wanting to use this site for homework help when the teachers/tutors/instructors don't ...
June 29, 2014

math
A train leaves LAX traveling 65 MPH and another train leaves NY traveling at 35 MPH…at what destination will they collide
May 21, 2014

Chemistry
94.94 mL
May 7, 2014

Physics
An ornamental thermometer, commonly known as a Galileo thermometer, contains a number of spheres of hollow colored glass, representing different temperatures, immersed in a column of ethanol. A particular sphere rises from the bottom to the top of the column of liquid when the...
May 1, 2014

Biology
Does the adrenal gland have any role in DIRECTLY DETECTING a change in the blood glucose level? Or is only the pancreas involved?
May 1, 2014

Science
Please help! Is Mgl2 Magnesium iodide or Magnesium Chloride, I am confused
April 28, 2014

Science
Are the following Ionic, covalent or both? NH4Cl and NaOH Thanks
April 28, 2014

American History
Passed in 1935, Roosevelt's most significant reform measure was the what?
April 17, 2014

Physics
Which of the following is the equation of the circle with centre (-1.5, 0.5) and radius 3? A. 2x^2 + 6x + 2y^2 - 2y - 13 = 0 B. 2x^2 - 6x + 2y^2 + 2y - 13 = 0 C. 2x^2 - 6x + 2y^2 - 2y - 13 = 0 D. 2x^2 + 6x + 2y^2 - 2y - 23 = 0 E. @x^2 + 6x + 2y^2 - 2y -14 = 0
April 12, 2014

Physics
A man of mass 75 kg lies on a bed of 10,000 nails. The tip of each nail has an area of 1.0 square millimeter. What pressure does the man experience? [g=10 N/kg]
April 12, 2014

Physics
An object of mass 50 g floats in a liquid of density 2.5 g/ml. When the object is placed in a liquid of density 2.0 g/ml, it sinks to the bottom of the container. What is the force that the object exerts on the bottom of the container? [g = 10m/s^2 = 10N/kg]
April 12, 2014

Physics
A uniform bar length of 2.0m and weight 1000 N has its center of gravity at its center. The bar is pivoted 0.5m from the right, and supports a weight of 200N on the opposite end (left end). What is the weight needed at right end of the bar to balance the bar?
April 11, 2014

Chemistry
What is the pH of a solution of NaOH 10^-12 M?
April 8, 2014

physics
A car moving with an initial speed v collides with a second stationary car that is 50.7 percent as massive. After the collision the first car moves in the same direction as before with a speed that is 33.2 percent of the original speed. Calculate the final speed of the second ...
March 26, 2014

Physics
Thank you!
March 17, 2014

Physics
Suppose you pluck a string on a guitar and it produces the note A at a frequency of 440 Hz. Now, you press your finger down on the string against one of the frets, making this point the new end of the string. The newly shortened string has 4/5 the length of the full string. ...
March 17, 2014

Physics
Alfonso and Sarah like to go sky diving together. Alfonso has a mass of 86.0 kg and Sarah has a mass of 57.8 kg. While in free fall together (next to each other), Alfonso pushes Sarah horizontally with a force of 12.9 N. What is the magnitude of Alfonso's horizontal ...
March 12, 2014

Math
Mr.Ferris discovered in his 2013 copy of the world records book that the worlds largest pizza measured 5.83 feet in diameter. A regular pizza measures 0.6 feet in diameter. How much greater is the area of the larger rice cake?
March 9, 2014

Physics
You throw a beanbag in the air and catch it 3.3 seconds later. How high did it go?
February 26, 2014

Physics
You throw a ball downward from a window at a speed of 3.6 m/s. What will the speed of the ball be immediately before hitting the sidewalk 8.3 m below?
February 26, 2014

Physics
The Lamborghini Murcielago can accelerate from 0 to 27.8 m/s (100 km/hr or 62.2 mi/hr) in a time of 3.40 seconds. How fast will the car be traveling (m/s) after 5.1 seconds.
February 22, 2014

Physics
28.2+2.2*9
February 22, 2014

Physics
A car with a velocity of 28.2 m/s is accelerated uniformly at the rate of 2.2 m/s2 for 9 seconds. What is the car's final velocity?
February 22, 2014

Physics
74-39.7/5
February 22, 2014

Physics
Find the uniform acceleration that causes's a car's velocity to change from 39.7 m/s to 74.0 m/s in an 5 second period of time.
February 22, 2014

Math
Solve for variable 3/8 = 7/ x+1
February 20, 2014

math
34+28
February 8, 2014

Physics
Two cars pass a school when a stopwatch reads zero. They both travel in the same direction. Car A travels at a constant speed of 98 km/h and Car B travels at 64 km/h. How many meters apart are the two cars when the stopwatch reads 2.0 hours?
February 8, 2014

Physics
You and a friend each drive 54 km. You travel at 95 km/h; your friend travels at 118 km/h. How many minutes will your friend have to wait for you at the end of the trip?
February 8, 2014

chemistry
A sample of nitrogen gas is confined in a 8.278 x 10-2 L container at 2.236 x 102 torr and 50 oC. How many moles of gas are present in the sample?
January 27, 2014

education
A)are the same as functional skills. B)are different from functional skills. C)exclude functional skills d)include functional skills
January 17, 2014

education
adaptive skills
January 17, 2014

physics
A weight lifter lifts a set of weights a vertical distance of 2.07 m. If a constant net force of 335 N is exerted on the weights, how much net work is done on the weights? Answer in units of J
January 17, 2014

physics
A 395.0 g block is dropped onto a vertical spring with a spring constant k = 252.0 N/m. The block becomes attached to the spring, and the spring compresses 0.29 m before momentarily stopping. While the spring is being compressed, what work is done by the block's weight? ...
January 1, 2014

Physics - please help me..
A 395.0 g block is dropped onto a vertical spring with a spring constant k = 252.0 N/m. The block becomes attached to the spring, and the spring compresses 0.29 m before momentarily stopping. While the spring is being compressed, what work is done by the block's weight? ...
December 31, 2013

physics
A 395.0 g block is dropped onto a vertical spring with a spring constant k = 252.0 N/m. The block becomes attached to the spring, and the spring compresses 0.29 m before momentarily stopping. While the spring is being compressed, what work is done by the block's weight? ...
December 30, 2013

Physics Help..
Thank you sooo much!
December 30, 2013

Biology
***I read the textbook assignment and I have read all the information on the lesson, however I cannot find the answer to this question. Nor can I find anything written about it anywhere in the lesson. Please help a girl out.*** True or False? There are many origins of ...
December 19, 2013

Physics! Please help! :)
A concave mirror with a radius of curvature of 0.61 m is illuminated by a candle located on the symmetry axis 2.61 m from the mirror. Where is the image of the candle? Answer in units of m
November 20, 2013

physics
A concave mirror with a radius of curvature of 0.61 m is illuminated by a candle located on the symmetry axis 2.61 m from the mirror. Where is the image of the candle? Answer in units of m.
November 20, 2013

Chem
Please help I have no idea how to do this. There are three different dichloroethylenes (molecular formulaC2H2Cl2), which we can designate X, Y, and Z. Compound X has no dipole moment, but compound Z does. Compounds X and Z each combine with hydrogen to give the same product: ...
November 12, 2013

college Algebra
Reiny is right, this formula can't be right. Raising it to the power of x makes more sense.
November 4, 2013

college Algebra
Replace x with 50 and then multiply 78.5 x 1.001 x 50 to get your answer.
November 4, 2013

Math
Solve the system of equations. 2x - 4y = 3 -3x + 5y = 1
October 25, 2013

physics
A softball player hits the ball and starts running towards first base. Draw a motion diagram, using the particle model, showing her position and her average velocity vectors for the first few seconds of her run.
August 30, 2013

geometry
RS=8y+4 ST=4y+8 RT=15y-9 a.) what is the value of y? b.)find RS, ST, AND RT
August 7, 2013

Math
A corporation has 7 members on its board of directors. How many different ways can it elect a president, vice president,secretary, and treasurer?
July 29, 2013

chemistry
If you have 156g of SO2, how many molecules do you have?
July 10, 2013

statistics
the probability that a football game will go into overtime is 17%. In 240 randomly selected football games, what is the mean and the standard deviation of the number that went into overtime
June 23, 2013

Writing
can you check my grammar and spelling? and does it look better? Erin Oldham Calvin Brown 20 March 2013 ASL 2 ASL 2 Research paper I am writing about interviewing three Deaf Persons for my ASL research paper. The first person I interviewed is Christian DeGuzman. He has been ...
May 18, 2013

math
A hot air balloon descends at a rate of 320 feet per minute for 3 minutes. Whats the balloons total change in altitude?
May 17, 2013

Social Studies
The spread of the factory system resulted in: A. an increase in home production B. increased exports of British cotton good C. poorer quality of iron D. improved working conditions in factories. The industrial Revolution created new jobs in all of the following expect: A. ...
May 14, 2013

Social Studies
Which of the following contributed to Britain's Industrial Revolution? A. Large Labor force C. powerful monarchy B. Decreasing food supplies D. decreasing money supply. The textile industry met its last major challenge to full mechanization with the development of ? A. a ...
May 14, 2013

statistics
Consider a normal distribution with mean 20 and standard deviation 3. What is the probability a value selected at random from this distribution is greater than 20?
May 12, 2013

Early Childhood
For my early childhood education final exam/Ideas? My teacher said i have to create my child and choose 1 out? For my early childhood education final exam/Ideas? My teacher said i have to create my child and choose 1 out of 5 (ADHD,Aspergers syndrome, Cerebral Palsy, and ...
May 9, 2013

organic chemistry isomers
which of the following molecules has a conformational isomer? CHCH CH2CH2 CH3CH2CH2CH3 CH2CCCH2 I think its either 2 or 4 but leaning towards 4. I just need help being more confident in my answer.
April 26, 2013

Chemistry
1. Calculate the pH of a buffer solution that contains 0.32 M benzoic acid (C6H5CO2H) and 0.17 M sodium benzoate (C6H5COONa). [Ka = 6.5 × 10-5 for benzoic acid] Round your answer to two places past the decimal. 2. A solution is prepared by mixing 470 mL of 0.18 M Tris&...
April 8, 2013

Chemistry
1. Calculate the pH of a buffer solution that contains 0.32 M benzoic acid (C6H5CO2H) and 0.17 M sodium benzoate (C6H5COONa). [Ka = 6.5 × 10-5 for benzoic acid] Round your answer to two places past the decimal. 2. A solution is prepared by mixing 470 mL of 0.18 M Tris&...
April 8, 2013

grammar English
I am writing about interviewing Deaf Persons for my ASL research paper. The first person is Christian DeGuzman. He is profoundly deaf since birth, and about 2 or 3 years old later they found out that he was deaf that’s why. Christian grew up in Bay Area, went to ...
April 6, 2013

Honors Chemistry
what volume of solution does a 3.0 molar solution need to have in order to contain 1.8 moles of sodium sulfate?
April 3, 2013

English
Please help me!
April 2, 2013

English
American Life, stereotypes? Just like television, commercial, etc. When we are watching TV, it gives us a "snapshot" of American life. If you look at the commercials alone, what would this tell you about how we live? I ask you to pretend that you are from another ...
April 2, 2013

Math
Please help! 1. A taxi cost $2.25 for the first mile plus .15 for each additional tenth of a mile. For a 5.2 mile trip Eric paid $10 and told the driver to keep the change. How much was the drivers tip? 2. 2 trillion is how much more than seven hundred fifty billion. Write the...
April 1, 2013

Physics please help!!
A cart of mass M1 = 5.00 kg and initial speed = 3.00 m/s collides head on with a second cart of mass M2 = 3.00 kg at rest. Assuming that the collision is elastic, find the speed of M2 after the collision. I have tried the answer 5.0 m/s however it says it is wrong. Please help!
March 23, 2013

english romeo and juliet
I am writing an essay which has to have 3 character traits of romeo and 2 quotes to support each trait. I still need quotes for impulsive and fearless. Can you please help?
March 20, 2013

Math
Thank you
February 25, 2013

Math
You have 34 math and science problems for homework. You have 10 more math problems then science, how many of each do you have?
February 25, 2013

Math
Factor the polynomial 4x^2- 81
February 25, 2013

Physics
A bicycle wheel of radius 0.30 m is spinning at a rate of 60 revolutions per minute. What is the centripetal acceleration of a point that is 0.11 m from the outer edge of the wheel?
February 17, 2013

maath HELPPPP
a ball is thrown into the air at a speed of 96 feet/sec. The equation that expresses the height of the ball as a function of time is: h(t) = -16t2 + 96t + 5 How long does the ball stay in the air after it is thrown? (Round answer to the hundreths of a second)
February 14, 2013

math
a ball is thrown into the air at a speed of 96 feet/sec. The equation that expresses the height of the ball as a function of time is: h(t) = -16t2 + 96t + 5 How long does the ball stay in the air after it is thrown? (Round answer to the hundreths of a second)
February 14, 2013

Languege arts
1. Which is the BEST summary of "LAFFF"? (1 point) Angela used a time machine to win a writing contest. Peter and Angela invented a time machine. Peter used a time machine to travel to the future. 2. The author describes Peter's Halloween costume in order to (1 ...
February 7, 2013

Physics
It's definitly 1J
January 23, 2013

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