Friday

October 9, 2015
Total # Posts: 114

**Chemistry**

The equation for lowering the freezing point of a solvent is given in your manual. Given that the freezing point for the pure solvent is 79.4 °C , the molality is 0.1 m , and the freezing point depression constant is 6.9 °C/m , determine the freezing temperature for ...
*September 13, 2015*

**math**

Flipo is building a rectangular sandbox for his younger brother.The length of the sandbox is 1 foot longer than twice the width of the sandbox. The perimeter of the sandbox is 29 feet
*April 17, 2015*

**Spanish**

in spanish Tell 3 things you do in the morning using reflexive verbs
*November 21, 2014*

**math help**

please help I need to write the equation in slope-intercept form y=4x-3;(-3,12)
*November 27, 2013*

**Algebra **

6p - 2 -3p= 16
*November 25, 2013*

**Algebra **

72 + 4 -14d= 36
*November 25, 2013*

**English**

Thanks! a bunch I thought it was c
*November 14, 2013*

**English **

Help please What change if any? Michael phelps is one of the best know athletes who endorse products in television commercials Is it c? a sentence is correct b change endorse to endorsing c change endorse to endorses
*November 14, 2013*

**algebra**

How do I find the digit to make the following statement true 2.48>2.4 1>2.463?
*October 9, 2013*

**math**

wha is the value of x if AB=56
*June 6, 2013*

**algebra 2**

what is the value of the rational expression below when x is equal to three? 17+x/x+2
*April 21, 2013*

**math**

for the given functions f and g, find the specified value of the following functions and state their domains: f(x)=x-5; g(x)=2x^2 a.(f+g)(3)= b.(f/g)(3)= Can someone help me figure this out? pleeeease????
*March 27, 2013*

**pre calculus**

use the seven step method to graph the following rational function: f(x)=3x^2+x-4/2x^2-5x a. determine the symmetry of the function. b. find the x and y intercepts. c. find the verticle asymptote d.find the horizontal asymptote e.plot the points between and beyond the x ...
*March 26, 2013*

**Physical Science **

A 1.00 kg block of ice at zero degrees celsius is added to a picnic cooler. How much heat will the ice remove as it melts to water at zero degrees Celsius?
*March 10, 2013*

**Physical Science **

Calculate the number of grams of ice at 32 celsius that can be melted by 1g of 100 degrees celsius steam
*March 10, 2013*

**statistics**

1.A magazine reported that 6% of Americans read the news paper while driving. 100 drivers are selected at random, find the probability that exactly 25 of them say they read the newspaper while driving.(normal binomial formula to solve) 2. A survey of 30 adults found that the ...
*February 13, 2013*

**statistics**

ten randomly selected people were asked how long they slept at night. The mean time was 7.1 hours and the (sample) standard deviation was 0.78 hours. Find the 95% confidence interval of the mean time. Assume the variable is normally distributed.
*February 13, 2013*

**Algebra2**

Factor the polynomial p(x)=x^4-x^3-6x^2+4x+8
*February 8, 2013*

**science**

what is the 7 characteristics of birds
*January 29, 2013*

**Government**

You need to read a book and do your own homework. I am not giving you the answers. Especially, for free@!!!!
*January 5, 2013*

**Math**

I have no clue HOW to do this kind of problem, I don't want the answer, I just want an explanation. Here is the question: Carla gets a base salary of $15,000 per year plus 5% commission on every house that she sells. If she sold $900,000 in homes last year, what was her ...
*December 19, 2012*

**Physics**

Rather than taking the stairs, Javier gets from the second floor of his house to the first floor by sliding down the banister that is inclined at an angle of 30.0 degrees to the horizontal. If Javier has a mass of 49.1 kg and the coefficient of kinetic friction between Javier ...
*December 11, 2012*

**Physics**

A server at a diner slides a 0.521 kg root beer from the end of the counter to a thirsty customer. A force of friction of 1.32 N brings the drink to a stop right in front of the customer. What is the coefficient of kinetic friction between the glass and the counter?
*December 11, 2012*

**Physics**

A robot probe drops a camera off the rim of a 105.0 m high cliff on Mars, where the free-fall acceleration is -3.70 m/s2. Find the velocity in m/s with which the camera hits the ground.
*November 13, 2012*

**Physics**

A girl riding a bicycle at 2.16 m/s throws a tennis ball horizontally forward at a speed of 1.38 m/s relative to herself. The tennis ball lands 1.84 m horizontally from the point at which the girl released the ball. How high above the ground was the ball released?
*November 13, 2012*

**Physics**

A ball rolls off the edge of a table that is 1.03 m high, and it strikes the floor at a point 1.40 m from the base of the the table. What is the initial speed in m/s of the ball?
*November 13, 2012*

**Physics**

Frida hits a volleyball so that it moves with an initial velocity of 6.76 m/s straight upward. If the volleyball starts from 1.84 m above the floor, how much time will it be in the air before it strikes the floor?
*November 13, 2012*

**Physics**

A person standing at the edge of a seaside cliff kicks a stone horizontally over the edge with a speed of 14.3 m/s. The cliff is 47.6 m above the water's surface. How far in meters from the base of the cliff does the stone land?
*November 13, 2012*

**Physics**

A person standing at the edge of a seaside cliff kicks a stone horizontally over the edge with a speed of 14.3 m/s. The cliff is 47.6 m above the water's surface. How far in meters from the base of the cliff does the stone land?
*November 13, 2012*

**personal finace**

Calculate the return on investment in dollars and as a percentage for an investment that you purchase for $500 and sell for $600.
*October 31, 2012*

**science**

a star has a size of 0.1 solar radius. How many times larger is the sun than this star
*October 6, 2012*

**Math**

Employer receive a base pay of $900.00 plus a sales commission of 6% of sale sum of base pay and commission deduction 18% of gross pay gross pay minus deduction My answer : base pay $900.00 + $54.00 = $954.00 -$171.72= net pay $782.28
*September 19, 2012*

**Reading**

Who are sabastian bach's grandparents
*September 5, 2012*

**math**

please help choose the expression that forms an equation with the given expression 18-4*3=
*August 30, 2012*

**Physics**

A vector F of magnitude 30 N points 45 South of West directed away from the orgin. The x component of the vector in North is?
*June 11, 2012*

**criminal justice**

· Write a 700- to 1,050-word paper in which you describe the issues facing police departments in today’s society. · Include a description of how local, state, and federal law enforcement agencies currently interact with the U.S. Department of Homeland ...
*May 18, 2012*

**History **

European immigration in the 19th century was lower in South Carolina than it was in many other areas because the state what ?
*April 19, 2012*

**statistics**

A normal distribution has a mean of µ = 100 with standard deviation = 20. If one score is randomly selected from this distribution, what is the probability that the score will have a value between X = 80 and X = 100?
*March 7, 2012*

**Math**

2y/3+27+3y/4=-24
*February 25, 2012*

**psy230**

A health researcher wanted to know if there was a difference in success rates between three methods of quitting smoking: A, B, and C. She designed a study with 15 participants, 5 in each group, and asked participants to track how many cigarettes they smoked in a 2-week period...
*February 16, 2012*

**Physics**

PLEASE HELPPP! An ice skater hits a patch of rough ice. The rough patch has a kinetic coefficient of friction with her skates of 0.13. The skater's mass is 51 kg. She passes over the rough patch in 0.55 s. What impulse does the rough patch of ice give her?
*December 7, 2011*

**7th grade math**

please help me solve n-16= -23
*December 1, 2011*

**7TH GRADE MATH**

please help solve -5(9K-8) + 2 (8+6K)
*November 28, 2011*

**psy230**

A business researcher has to decide which of three employees should be placed in a particular job that requires a high level of perceptual-motor coordination. All three employees have taken tests of perceptual-motor coordination, but each took a different test. Employee A ...
*August 15, 2011*

**accounting 205**

•Describe for the students the primary objectives of accounting. •Explain the basic terminology of the accounting process or financial reporting. •Explain how accounting can affect your personal life emphasizing professional ethics
*January 9, 2011*

**math**

Wow there is no one is there to help here
*December 4, 2010*

**math**

can anyone help
*December 4, 2010*

**math**

Multiplication of fraction 21/25*3 8/9
*December 4, 2010*

**College-Business Investments**

Ok. Thank you!
*November 10, 2010*

**College-Business Investments**

Ii don't know it didn't say. That's the full question!
*November 10, 2010*

**College-Business Investments**

An investor bought 100 shares of Copier Corp. for $65 a share. The firm paid an annual dividend of $2 a share. Commissions were $75 to purchase and $75 to sell. The price of the stock rose to $100 and the investor sold. What is the percentage earned on the investment?
*November 10, 2010*

**language**

thank u very much
*October 23, 2010*

**language**

explain what metaphor means 1. At the end of the day, the sun is a freshly ripened orange.
*October 23, 2010*

**language**

ya its fast thank u again. I will next time.
*October 22, 2010*

**language**

some one help please..
*October 22, 2010*

**Language**

thank u very much
*October 22, 2010*

**Language**

Whrite a sentence to explain what each metaphor means 1. while Adam held the weight overhead, his arms were bands of steel.
*October 22, 2010*

**math**

thank u very much
*October 12, 2010*

**math**

i think its 8*3+5 is this right
*October 12, 2010*

**math**

the grocer puts 3 green peppers in each of 8 packages. He puts 5 green peppers in the ninth package. How many green peppers des the grocer have?
*October 12, 2010*

**math**

got it thank u very much
*October 12, 2010*

**math**

can someone please help
*October 12, 2010*

**math**

there r 6 ears of yellow and 2 ears of white corn in each bag.There r 8 bags. How many ears of corn are there?
*October 12, 2010*

**math**

thank u very much you guys r awesome.
*October 12, 2010*

**math**

what do u mean
*October 12, 2010*

**math**

there are 4 people in joan's family. each person saves 5 cans each week for recycling.How many cans have they saved after 3 weeks?
*October 12, 2010*

**math**

how to solve a prism with a square base that has a height of 45cm and its volume is 72000000cm^3. how do I solve it?
*September 29, 2010*

**math**

a prism with a square base has a height of 45 cm and its volume is 7,200,000 cm^3. Would the answer be 9,720,000,000? if not,I need help figuring out how to solve and answer
*September 29, 2010*

**math**

thank u very much
*September 27, 2010*

**math**

can u explain it more clear please....
*September 27, 2010*

**math**

vicky scored 6 two point basket and 6 one point free throws. Li scored 6 three point basket. explain how you know each girl scored the same total?
*September 27, 2010*

**math**

entire trial one time
*September 23, 2010*

**math**

please help with my question
*September 23, 2010*

**math**

thank u very much,
*September 23, 2010*

**math**

it said one time
*September 23, 2010*

**math**

the appalachain trial is 2,174 miles long. If andy hiked the entire trail one time how many miles did he hike.
*September 23, 2010*

**MATH:-)¤**

Jay-Z's office contains 12 file cabinets. Three cabinets have 4 drawers,all the other cabinets have 5 drawers. Jay-Z's assisant is typing new labels for each file cabinet drawer. How many labels will she need?
*September 20, 2010*

**Social Studies**

How would being located on a lake and river benefit both a fort and traiding post?
*September 14, 2010*

**math**

thanks janae
*August 30, 2010*

**math**

why do you only need to look at the number of dollars to know that $5.12 is greater then $4.82
*August 30, 2010*

**Science Please give me a hint thank you**

how can two observers measure a different speed for the same moving object
*March 28, 2010*

**math**

how would i use substitution for the equations x+y=56 and x+(3y)=56
*January 21, 2010*

**physics**

A 1100 kg car rolling on a horizontal surface has speed v = 70 km/h when it strikes a horizontal coiled spring and is brought to rest in a distance of 2.2 m. What is the spring stiffness constant of the spring?
*January 11, 2010*

**4th grade, social studies**

Project Invention. My assignment is to do an invention of a current invention and up date it or invent a new one and draw pictures also, I need tell what the invention was. tell why i invented it or up dated this one, does it solve the plrblem and make life easier, and how ...
*December 21, 2009*

**physics**

whats re?
*December 18, 2009*

**physics**

What is the distance from the Earth's center to a point outside the Earth where the gravitational acceleration due to the Earth is 1/22 of its value at the Earth's surface? _ m
*December 18, 2009*

**physics**

the .1 and .2 or like blanks where the number should be
*December 18, 2009*

**physics**

A bucket of mass 1.60 kg is whirled in a vertical circle of radius 1.30 m. At the lowest point of its motion the tension in the rope supporting the bucket is 25.0 N. (a) Find the speed of the bucket. Enter a number.1 m/s (b) How fast must the bucket move at the top of the ...
*December 18, 2009*

**Math Quotations place value **

Math - 612.512 what does the 5 stand for in this number? show it 2 ways?
*September 10, 2009*

**social studies**

How does technogly affect the way Americans live and work?
*May 20, 2009*

**5th grade**

The Texas state dish is chili. Alexi made 6 quarts of chili and served it at a party. He had 1/3 of the chili leftover. How many quarts did he have left? I can't figure this out! Please help, my math worksheet is talking about equivalent fractions!
*February 12, 2009*

**math**

how do you factor 2x^4-14x^2+24 ?
*January 22, 2009*

**Criminal procedures**

Do you think the Bill of Rights should apply to all state and local governments? If not all ten which ones
*December 8, 2008*

**reading articles in english**

I want to ask one more thing. when I read a text which includes lots of unknown words, fistly I look their meaning one by one. but this method takes long times.what do you think about my method?? thanks a lot for your advice and help:)
*November 7, 2008*

**reading articles in english**

could you give me some advice how to read academic articles in english?? english is my second language and also I have to read sociological and philosophical texts in english for my master thesis. do you have any idea??
*November 7, 2008*

**Calculus**

solution for part B for the normal line equation firstly you have to find again slope. product of tangentline's slope and normal line's slope must be -1. there fore line's slope.(-4/3)=-1 line's slope= 3/4 then the line equation is y-3= =(3/4)(x-4) we get y= 3x...
*November 7, 2008*

**Calculus**

I solved the question in A but please check.. first of all you have to find y while x=4 and as you find y^2=25-16=9 and y=3 then you have to find slope. It's derivative of y function so (slope)m=1/2(1/25-x^2)(2x). if we write 3 instead of x we will get m(slope) as -4/3. ...
*November 7, 2008*

**Calculus**

2x+2y.y'-4+7y'=0 y'(2y+7)=(4-2x) y'=(4-2x)/(2y+7) as you found:)
*November 7, 2008*

**exam questions**

I've already seen some of these sites but not all. thanks for your advice.
*November 6, 2008*