Sunday

December 11, 2016
Total # Posts: 1,207

**Trigonometry **

Could someone please help me with the following q's I'm having some trouble: 1.) cot θ (theta) = 0.791, find sec θ and tan θ 2.) tan θ = 9/40, what is the value sin^2θ + cos^2θ

*November 26, 2013*

**math ergent please**

Given the function f(x)=Kx^3-mx^2+3x+7, determine the values of k and m if the remainder is -2 when f(x) is divided by x+1 and -4 when f(x) is divided by x-1

*November 25, 2013*

**math**

A company that manufactures a specialty line of high performance racing boats has determined that its profit margin can be represented by the equation, PM(x)=-x^3+7x^2-10x, where x is in thousands of dollars. a) graph without technology. b) determine the production numbers ...

*November 25, 2013*

**math**

divide the polynomial x^3-3x^2+x+2 by x+2. Express your answer in the form f(x)=d(x)q(x)+r(x).

*November 25, 2013*

**science**

suppose you have the 7 pieces of wood shown to the right. predict what will happen to the mass of the pieces of wood if you put them together without cutting them to make a birdhouse. explain?

*November 21, 2013*

**Math**

The answer to the problem is: 30

*November 14, 2013*

**english**

Though not sedking any attention or credit, the volunteer organization was (adulated) for its many (quibbling) activities. are the two vocabulary words correct

*October 16, 2013*

**english**

can you help me with my last paragraph

*October 13, 2013*

**english**

Facebook is a site that is used by hundreds of teenagers daily for many purposes of communication. Teenagers use it for communicating with friends and family that live far away. It is also used for a way of reminding of meeting and events that are going to take place. Most ...

*October 13, 2013*

**english**

Facebook is a site that is used by hundreds of teenagers daily for many purposes of communication. Teenagers use it for communicating with friends and family that live far away. It is also used for a way of reminding of meeting and events that are going to take place. Most ...

*October 13, 2013*

**english**

can you help me with the assertion with an example can be facebook is like a calender and great for communicating with friends and family. This site gives you reminders on when events are going to happen at school

*October 13, 2013*

**english**

A way a cellphone creates a safety net is because it can have a safe way of parents being in contact with their kids at all times. While their kids are away from their parents, the parents will have a good way of communication of what going on with them and if they need ...

*October 13, 2013*

**english**

1st time

*October 13, 2013*

**english**

my teacher said we need to do the 3 body axes paragraphs first than go to the introduction also this is my 2st time sing this site

*October 13, 2013*

**english**

we need 3 body paragraphs with an axes form

*October 13, 2013*

**english**

my thesis is In these days technology can greatly impact teens in many advancing ways an example can be that A cellphone creates a safety net for teens and gives parents the ability to stay connected with them at all times.

*October 13, 2013*

**english**

i need to know how to write a axes paragraph on how technology can advance teens can you help

*October 13, 2013*

**english**

is ap physics very challenging and difficult because i need to know if im going to be able to go through t next term

*October 10, 2013*

**english**

the technolog helps advances teens

*October 10, 2013*

**english**

im writing an persuasive essay on technological advances help teens an i cant figure a thesis please help me with a thesis

*October 10, 2013*

**eglish **

1. Is their no (dissuade)Ed from attempting that difficult dive. dissuading 2 Mr. Largen wont accept your paper unless it has adequate (substantiate)substantiatation

*October 8, 2013*

**english**

can you check the rest the word in the paranthesis has to be ritten in a derivative way

*October 8, 2013*

**english**

it says only change the words in paranthesi

*October 8, 2013*

**english**

complete the sentence by writing the correct form of the word shown in parentheses. You may not need to change the form that is given. 1. Is their (dissuade) Ted from attempting that difficult dive. dissuading 2. That statement is absolutely (fallacy). fallacious. 3.Dr.Kims ( ...

*October 8, 2013*

**english**

Although she never actually said it, mom (blank) that we were going to get a pet. a=refuted b=implied c=substantiated d=inferred answer is b

*October 6, 2013*

**question**

if your a highschool student for the the summer can you go to community college and earn credit for highschool

*October 5, 2013*

**matla**

4.6 g of an oxide of nitrogen contains 3.2 g of oxygen. Calculate the empirical formula of the compound.

*September 7, 2013*

**Spanish**

Would it be "despedida del verano" ? Not sure.

*September 5, 2013*

**Spanish**

How would I say, " goodbye summer" in Spanish? Thx in advance.

*September 5, 2013*

**Math**

Jill and Bill are two members of the Hill family. Jill is 8 years old and Bill is 9 years old. What will Bill's age be when the total of the digits in both their ages is once again 17?

*September 3, 2013*

**French**

How would I say, "I love it here, like my second home" in French

*August 10, 2013*

**French**

Someone asked me: "t'aime le quebec?" What does that mean? How could I respond? Thx.

*August 10, 2013*

**Analytical Chemistry**

I use the Given concentrations? and solve for [H3O]?

*July 24, 2013*

**Analytical Chemistry **

Determine the pH of a solution that is generated when 2.623 g Na3PO4 is added to a 100mL of 0.0800 M H3PO4.

*July 24, 2013*

**math**

a manufacturer markets 2 products. each unit of Product A requires 3 hours in the moulding department, 4 hours in the Paint Shop, 1 Hour in Finishing. Each unit of B requires 3 hours in moulding, 2 hours Painting, and 2 hours finishing. Each week there are 210 hours available ...

*July 16, 2013*

**science**

kill yourself you muppet

*July 10, 2013*

**physics**

actually it is false

*June 12, 2013*

**science**

How many grams of glucose C6H12O6 would you need to make 250 mL of 1.0M solution?

*May 29, 2013*

**science**

How many moles of sucrose C12H22O11 does 300 mL of a .10M sucrose solution contain?

*May 29, 2013*

**math**

I am a number with 2 more tens than one. I have 5 mores ones than hundreds. the sum of my digits is 18. What number I am?

*May 13, 2013*

**Chemistry**

If I used 100% larger sample mass of an unknown substance what effect would that have on the empirical formula that would be obtained?

*May 13, 2013*

**Math**

When Sarah takes the bus to work, the trip takes 30 minutes. When she takes the train to work, the trip takes 20 minutes. The average speed to the train is 15 mph faster than the speed of the bus. Find the distance to work.

*May 9, 2013*

**Math**

When Sarah takes the bus to work, the trip takes 30 minutes. When she takes the train to work, the trip takes 20 minutes. The average speed to the train is 15 mph faster than the speed of the bus. Find the distance to work.

*May 9, 2013*

**Algebra**

A test consist of 15 multiple choice questions, 12 true-false questions and 10 fill in the bland questions. you got 8 questions wrong. what percent of the answers were correct?

*May 8, 2013*

**Spanish **

The 1st Sentence is me trying to do the work and the second is the actual paragraph. I am trying to put the verb form into preterite or imperfect can you see if i am right? Thanks erase una vez una nina hermosa que se llamaia Capercuita roja todos los animales del bosque ser ...

*May 8, 2013*

**Service management**

An outpatient clinic has kept a record of walk-in patients during the past year. The table below shows the expected number of walk-ins by day of the week: The clinic has a staff of five physicians, and each can examine 15 patients a day on average. a. What is the maximum ...

*May 8, 2013*

**Algebra 2**

A culture started with 2,000 bacteria. After 6 hours, it grew to 2,200 bacteria. Predict how many bacteria will be present after 12 hours. Round to the nearest whole number.

*May 7, 2013*

**Geomtry**

Triangle

*May 7, 2013*

**Computers**

Help guys..here is what I need.. and unfortunately I need this in like 2 hours...my computer crashed with all my work so please anyone help... Write a console application that has a furniture and appliance dealership needs you to create a sales screen to allow the salesperson ...

*May 6, 2013*

**Physics**

Consider

*April 27, 2013*

**statistics**

The duration of time it takes General Motors to build a car is normally distributed with a mean of 31 hours and a standard deviation of 2 hours. a) What is the probability that a single car, selected at random, will take between 28 and 34 hours? b) What is the probability that...

*April 25, 2013*

**statistics **

adult males have normally distributed heights with mean of 69.0 in and a standard deviation of 2.8 in. if a clothing manufacture decides to produce goods that exclude the shortest 12% and the tallest 12% of adult males, find the minimum and maximum heights that they will fit.

*April 24, 2013*

**statistics**

Suppose that the test scores for a college entrance exam are normally distributed with a mean of 450 and a standard deviation of 100. If a student is selected at random what is the probability that the student will score above 600?

*April 24, 2013*

**Physics**

Neglecting air resistance, how high could a 0.15kg baseball be thrown if it is throw straight up at a speed of 25m/s?

*April 22, 2013*

**math**

melissa walks 1 and a half miles to school. After school she walks 7 eights of a mile to the park. how many more miles does she walk to school?

*April 18, 2013*

**Math (Percentage)**

Chet bought a rug that cost $280. He had a coupon for a 10% discount. 1. How much money did he save with the discount? 2. How much did he pay for the rug?

*April 10, 2013*

**algebra 2**

f(x)= X-5 +2

*April 5, 2013*

**Mathematics**

Please help me !!!!!!!!!!!!!! a farmer wants to enclose a rectangular field he needs to put fence posts every 10 ft. how many posts will he need for 200 ft of fencing

*March 31, 2013*

**Math**

a farmer wants to enclose a rectangular field he needs to put fence posts every 10 ft. how many posts will he need for 200 ft of fencing

*March 31, 2013*

**Calculus**

F(x)= ln((3x+6)^4 (x^3 -2)^5 ) F'(x)=

*March 23, 2013*

**physics**

The real image produced by a concave mirror is found to be 0.303 times the size of the ob ject. If the distance from the mirror to the screen on which the image appears is 1.14 m, what is the focal length of the mirror? Answer in units of m

*March 22, 2013*

**Math**

a contractor's designing one side of an office building 48 feet in length the windows are each 5 feet long and will be placed Six feet apart and 5 feet from the end of the building wall how many windows can a contractor design

*March 18, 2013*

**Math**

the first one is on the link, but not the second one

*March 16, 2013*

**Math**

Evaluate the following indefinite integrals. Show all steps please A) ∫xe^x^2+10 dx b) ∫(1/2x+x)(ln(x)+x^2)^10 dx

*March 16, 2013*

**Math**

Optimization Problem A right circular cylindrical can of volume 128tπ cm^3 is to be manufactured by a company to store their newest kind of soup. They want to minimize the surface area of the can to keep costs down. What are the dimensions of the can with minimum surface ...

*March 15, 2013*

**geometry**

A pyramid has a square bottom, with an area equal to 64 squares meters. the height of the pyramid is 7 inches. if you start at the top of the pyramid and slide all the way down the middle of one of the sides how many feet will you move?

*March 12, 2013*

**science**

how much sugar is dissolved in 50grams of a solution if the solution is 20% sugar by mass

*March 10, 2013*

**Math**

Oh wait never mind I see why you don't need to do 1/2. Your trying to find the volume and thank you for your help you two are life savers!

*March 5, 2013*

**Math**

Dr.Jane and Ashley,But don't I need to divide it by 1/2 since its a triangular prism?

*March 5, 2013*

**Math**

The base of the skateboard ramp has an area of 2.3 m square meters the height of the ramp is 1.2 m find the volume of the rectangular prism? Can you help me Dr.Jane or Ms.Sue?!?

*March 5, 2013*

**Math**

there is no brackets for question 3. Although i am still confused. would you be able to give step by step solutions?

*February 28, 2013*

**Math**

Find the dy/dx for each of the following 1)y=ln(2x^6-15) 2)y= 3√ 2x^2-3x-1/5 3) y= x^4/x^2+1

*February 28, 2013*

**trig**

solve tan2x = -28/45 Thank you

*February 28, 2013*

**math**

How many btu's are absorbed when100 lbs of water is heated from 100f to200f

*February 26, 2013*

**Algebra**

On a math test, k students in the class averaged 80%. The remaining students in the class,q students, averaged 94% on the test. The class average on the test was 88%. Express the ration of k/q in simplest form.

*February 25, 2013*

**Algebra**

A large cube is formed by using many small 1"x1"x1" cubes. Once the large cube is formed, all the outside faces are painted. There are now exactly 27 small cubes that do NOT have any paint on any face. How many 1"x1"x1" cubes were used to form the...

*February 25, 2013*

**Finance**

Suppose that an insurance agent offers you a policy that will provide you with a yearly income of $40,000 in 30 years. What is the comparable salary today, assuming an inflation rate of 5% compounded annually?

*February 24, 2013*

**Algebra**

Suppose that an insurance agent offers you a policy that will provide you with a yearly income of $50,000 in 30 years. What is the comparable salary today, assuming an inflation rate of 5% compounded annually?

*February 24, 2013*

**Calculus**

Question 1. A stuntman falls from a hot air balloon that is hovering at a constant altitude,100 feet above a lake. A television camera on shore, 200 feet from a point directly below the balloon,follows his descent. At what rate is the angle of elevation, theta, of the camera ...

*February 22, 2013*

**math**

In a recent survey, it was determined that 1 out of 500 people had more then 6 siblings, based on this statistic what percent of people have more than 6 siblings? Please show me how to solve this!!!

*February 20, 2013*

**math**

reduce 3ar/t

*February 14, 2013*

**math**

solve x (proportion) 2r:3t= x:6a

*February 14, 2013*

**Statistics **

1. Each of 4 people is presented with gourmet coffee and ordinary coffee and asked to identify the gourmet coffee. None of the 4 can really tell the difference and are merely guessing. a. What is the probability that exactly 2 of the 4 correctly identify the gourmet coffee? b...

*February 12, 2013*

**Physics Conservation of Energy**

During a rockslide, a 740 kg rock slides from rest down a hillside that is 500 m long and 300 m high. The coefficient of kinetic friction between the rock and the hill surface is 0.18. (a) If the gravitational potential energy U of the rock-Earth system is set to zero at the ...

*February 10, 2013*

**Physics Conservation of Energy**

During a rockslide, a 740 kg rock slides from rest down a hillside that is 500 m long and 300 m high. The coefficient of kinetic friction between the rock and the hill surface is 0.18. (a) If the gravitational potential energy U of the rock-Earth system is set to zero at the ...

*February 10, 2013*

**Physics**

An electron is projected with an initial speed of (1.6x10^6 m/s) into the uniform field between two parallel plates. Assume that the field between the plates is uniform and directed vertically downward, and that the field outside the plates is zero. The electron enters the ...

*February 5, 2013*

**english**

Just because they are gay, it doesn’t mean they are wrong or weird, it just means they feel a different way about their own genders.

*February 2, 2013*

**english**

i need help, i am writing a paper on gay marriage. I need to write a compound-complex sentence on it too. help!

*February 2, 2013*

**Computer (C)**

I need help with c programming, i need to fill in the code and I got these (need help with question 4), I run the grader and I only got question 1 right. grader code: gcc worksheet.c; ./a.out 0; if [ $? -eq 0 ] then echo 'Question 0 Correct'; else echo $? 'is not ...

*February 1, 2013*

**geometry**

The verticles of triangles BAD are B(1,3) A(7,5) and D (9.-3). If E is the midpoint of segment BA and F is the midpoint of segement AD show that a. segement EF is parallel to BD b. Ef = 1/2BD

*January 29, 2013*

**Physics**

A point particle that has a charge of 12.5 µC is located at x = 0, y = 0 and a point particle that has a charge q is located at x = 10.0 cm, y = 0. The electric force on a point particle that has a charge of 5.0 µC at x = 20.0 cm, y = 0 is -(19.7) N . Determine the...

*January 29, 2013*

**Physics**

A point particle that has a charge of 12.5 µC is located at x = 0, y = 0 and a point particle that has a charge q is located at x = 10.0 cm, y = 0. The electric force on a point particle that has a charge of 5.0 µC at x = 20.0 cm, y = 0 is -(19.7) N . Determine the...

*January 29, 2013*

**ENGLISH (thanks)**

so how should i explain this

*January 14, 2013*

**ENGLISH (thanks)**

how is that interpretation above

*January 14, 2013*

**ENGLISH (thanks)**

In every story there is always someone that represents the wrong traits and the right traits of a person. Right vs wrong.

*January 14, 2013*

**ENGLISH (thanks)**

"All Conflict in its simplest form its struggle between good and evil. I need a good interpretation. I cant use good and evil in the interprestation. There needs to be another word for good and evil. I don't know how to interpret without good and evil.

*January 14, 2013*

**chemistry**

electrostatic interaction is important with what type of bond

*January 14, 2013*

**math**

5/6 x 10/23 how do i find the simplest form. thank you

*January 12, 2013*