Friday

May 27, 2016
Total # Posts: 1,506

**Organic chemistry**

draw the alkyne formed when 3,4-dichloroheptane is treated with an excess of a strong base such as sodium amide. I got CH3CH3C(triple bond)CCH2CH3 but was told it was the wrong answer.
*November 5, 2011*

**Organic Chem**

How would I assign priority to 1,2-dimethylcyclopropane?
*November 1, 2011*

**precal**

A pole 12 meters tall is perpendicular to level ground. A taut wire that is 20 meters long extends from the top of the pole to the ground. What is the angle of elevation, to the nearest degree, from the bottom of the wire to the top of the pole?
*October 27, 2011*

**Economics**

3.3 Trillion
*October 26, 2011*

**science**

Lab 1.1 Can somebody please, please help me with this lab?! I know it requires sketching and modeling which only i can do , but please, any help will be appreciated. I find these labs so hard to do, but my teacher said there's no alternative assignment and I HAVE to do ...
*October 23, 2011*

**science**

Lab 1.1 Can somebody please, please help me with this lab?! I know it requires sketching and modeling which only i can do , but please, any help will be appreciated. I find these labs so hard to do, but my teacher said there's no alternative assignment and I HAVE to do ...
*October 23, 2011*

**found of tech **

Lab 1.1 Can somebody please, please help me with this lab?! I know it requires sketching and modeling which only i can do , but please, any help will be appreciated. I find these labs so hard to do, but my teacher said there's no alternative assignment and I HAVE to do ...
*October 23, 2011*

**Algebra 2**

The surface area S (in square centimeters) of a large dog can be approximated by the model S = 11.2m^2/3 where m is the mass (in grams) of the dog. A Labrador retriever’s mass is about three times the mass of a Scottish terrier. Is its surface area also three times that ...
*October 23, 2011*

**Algebra 2**

As a rule of thumb, the power P (in horsepower) that a ship needs can be modeled by P = d^2/3 • s^3 / c where d is the ship’s displacement (in tons), s is the normal speed (in knots), and c is the Admiralty coefficient. If a ship displaces 30,090 tons, has a normal ...
*October 23, 2011*

**Mathematics**

There is a two-digit number such that the sum of its digit is 6 while the product of the digits is 1/3 of the original number. Find this number. Explain your solution
*October 23, 2011*

**chemistry**

aspirin tablets contain about 5 grains of aspirin. About 10 grams of aspirin constitute a fatal dose. How many tablets would this be? (There are approximately 15 grains in a gram)
*October 22, 2011*

**nutrition and wellness**

Write a 300-500 word essay. Provide Three examples of sporting events, or fitness activities, with which you have been involved. Describe what energy pathway was used in that sport or activity and explain why you are matching the pathway with the activity. Try to give an ...
*October 20, 2011*

**Algebra 2 **

I have a rectangular prism and I need to know the dimensions of it and the x values of it from the given information. x(15-x) by x(12-x).
*October 18, 2011*

**algerbra 2 **

x^5*x^3 simplify the expression
*October 17, 2011*

**algerbra 2 **

x^5*x^3 simplify the expression
*October 17, 2011*

**algerba 2 **

x=4y-1 solve the equation for y show steps
*October 17, 2011*

**algebra2 **

x+1/2y=5 solve the equation for y show steps
*October 17, 2011*

**algerba 2**

3x-2y=12 solve the equation for y
*October 17, 2011*

**algerba 2**

write the polynomial function of least degree that has real coefficeents the given zeros, and a leasing coefficiennt of 1. 1,-3,4
*October 16, 2011*

**algerbra 2**

evalute the function for x= -4, -3,-2,...,4. 1)y=x^4-2x^2-x-1
*October 16, 2011*

**Algebra 2**

Describe the end behavior of the graph of the polynomial function. Then evaluate the function for x=-4, -3, -2, -1, 0, 1, 2, 3, 4. Then graph the function. Number one: y=x^4-2x^2-x-1
*October 15, 2011*

**Algebra 2**

Describe the end behavior of the graph of the polynomial function. Then evaluate the function for x=-4, -3, -2, -1, 0, 1, 2, 3, 4. Then graph the function.y=x^4-2x^2-x-1 and y=(x-3)(x+1)(x+2)
*October 15, 2011*

**Algebra 2**

f(x)=x^3-7x^2+10x+6 (find the zeros of this quadratic equation)
*October 15, 2011*

**algebra 2**

write a polynomial function of least degree that has real coefficeints the given zeros and a leading coefficient of 1. the problem is 5,2i,-2i
*October 14, 2011*

**physics**

A 2.9 kg object oscillates with simple harmonic motion on a spring of force constant 430.0 N/m. The maximum speed is 0.8 m/s. What is the total energy of the object and the spring?
*October 12, 2011*

**calculus**

air expands adiabatically in accordance with the law PV =cost. pound per square inches ,at what rate is pressure changing when the volume is decreasing 1 cubic per second?
*October 10, 2011*

**Stats**

Each of 2 players, independently, play a game 5 times, with each game having probability of success 0.40. What is the standard deviation of the sum of the games they win
*October 9, 2011*

**Physical science**

A satellite that is 4175 miles from the center of the earth, orbits with a period of 90 minutes. What is its centripetal acceleration?
*October 6, 2011*

**physical science**

A satellite that is 4175 miles from the center of the earth, orbits with a period of 90 minutes. What is its centripetal acceleration?
*October 6, 2011*

**Algebra 2**

520.5 miles the equation should look something like this 23.95 + .1x= 76
*October 1, 2011*

**physics**

A 3.20 kg block is in equilibrium on an incline of 29.6 The acceleration of gravity is 9.81 m/s2 . What is Fn of the incline on the block? Answer in units of N
*September 30, 2011*

**physics**

A 22 kg box rests on the back of a truck. The coefficient of static friction between the box and the truck bed is 0.369. The acceleration of gravity is 9.81 m/s2 . What maximum acceleration can the truck have before the box slides backward
*September 30, 2011*

**Physics**

A 27.59 kg child is on a swing that hangs from 2.26-m-long chains. What is her maximum speed if she swings out a 48° angle?
*September 29, 2011*

**Physics**

a stone is thrown horizontally from the edge of the cliff with speed of 18m/sec. Cliff is 50 meters high
*September 20, 2011*

**Spanish**

Mi abuela y yo ______________ en baton rouge. Kiara ___________________ en la clase. Yo _____________________ hablando. Ella _____________________ durmiendo. Cody, Justino, y Roberto __________________ felices.
*September 20, 2011*

**geomtry**

when two planes intersect, their intersection is a:
*September 19, 2011*

**Math**

344.80 spebds of it 3/4
*September 15, 2011*

**math**

polynomials (8m + 7) (2m +3)
*September 13, 2011*

**algerbra 2**

-3x(squared 2)-6x=0
*September 12, 2011*

**probability**

A set of five marbles is selected (without replacement) from a bag that contains 4 blue marbles, 3 green marbles, 6 yellow marbles, and 7 white marbles. How many sets of five marbles contain no more than two yellow ones?
*September 11, 2011*

**History**

but it shoes multiple choice and it has the regions but in numbers and the only one that was on east africa was 6 but it wasnt in the answer choices
*September 9, 2011*

**History**

Thats Exactly What I Put And They Said I Was Wrong
*September 9, 2011*

**History**

The Earliest Remains Of Hominid Ansestor Of Human Have Been Found In Which Region.? Anyone Could Answer This
*September 9, 2011*

**math**

I have a few other problems that I can't seem to understand... Question: Rounded to the nearest ten. I am 12,750. I am a multiple of 2. I use only 4 different number's in my 5 places... :-o
*September 5, 2011*

**math**

I am so sorry, but I am still confused especially when I read the last part of the problem... The number in my ones place is 1 less than the number in my tens place...
*September 5, 2011*

**math**

I am getting so confused with my math problems... Can you help me please?... The question is - Rounded to the nearest ten I am 800. I am not odd. All of my places have a value greater than 0. The number in my ones place is 1 less than the number in my tens place...
*September 5, 2011*

**English **

help me pleasee.
*September 4, 2011*

**math**

i am taking a job related test with many math sections. I am long out of school and need some tutorials as well as practice questions and answers. The topics are as follows: -multiplication and division of fractions and mixed numbers -calculating percentages -calculating ...
*September 3, 2011*

**math**

I am taking a job related test consisting of several math sections. I have been out of school for quite some time and am looking to find the easiest place to get tips and tutorials to solve these questions. The topics are as follows: multiplication and division of fractions ...
*September 3, 2011*

**homelandsecurity**

• Prepare a report that discusses the positive aspects of this action and the potential hazards
*September 1, 2011*

**English**

make parallel
*August 30, 2011*

**English**

i am both a quick worker and careful
*August 30, 2011*

**geometry**

The height of triangle ACE is 12 and base AE=20. A rectangle is inscribed in triangle ACE as shown in the diagram a) express the rectangle's area as a function of x and y b)Use the fact that triangle ACE is similar to BCD to write y as a function of x. c)express the ...
*August 30, 2011*

**Math**

Find the ldc for the fraction -11/245, 13/175
*August 27, 2011*

**Algebra**

Solve for u -29 + -4 + 5u
*August 27, 2011*

**Math**

Is the answer to this problem 12 pounds? A cubical block of metal weighs 6 pounds. How much will another cube of the same metal weigh if its sides are twice as long? My work: 6/12=6/x
*August 22, 2011*

**Math**

What is the solution to the problem: 2^103+ 2^103 +2^103 +2^103?
*August 22, 2011*

**math**

what would it be if i had 8x = 10
*August 9, 2011*

**math**

how do I solve this following problem step by step. 8/x = 10
*August 9, 2011*

**geometry**

Determine whether or not the given side lengths will form a right triangle.15, 11, and 2 radical 26.
*July 28, 2011*

**Math**

The difference between two positive number is 72 and one of them is divided by the other, the quotient is 4.Find those numbers. Option: a) 22&94 b) 24&96 c) 20&92 d) 30&102
*July 25, 2011*

**algebra II**

use the properties of logarithms for the expression. 5^log5(7x)
*July 17, 2011*

**algebra II logarithms**

f(x)=log4 (x)+3 how could i get this so i could graph it?
*July 17, 2011*

**math**

what is the definition of area of circle formular.
*July 17, 2011*

**algebra 2**

The pH of a solution is given by the formula pH = -log H+ , where H+ is the concentration of hydrogen ions in moles per liter in the solution. Use this formula to solve the problem. Round answer to one decimal place if necessary. Find the pH of a sample of lake water whose [H...
*July 14, 2011*

**Algebra 2 logarithms**

Use the properties of logarithms to evaluate the expression. 1. 5^log(7x) 2. 10^x + 2 log(x)=x+2 or log(x)=x-2 ????
*July 14, 2011*

**physics**

12.5
*July 13, 2011*

**math**

what isthe area of a 8 inch circle?? what are the calculations. ???
*July 3, 2011*

**rapping>???**

what does it mean when they say i came down with a chip on shoulder
*June 27, 2011*

**English **

its ok i corrected it and got a 100 all i have to do is take my finale exam and im finish with this school thank you guys so much for helping me out alot
*June 23, 2011*

**English **

nope idk you just confused me even more
*June 23, 2011*

**English **

no but can you Check My answers please
*June 23, 2011*

**English **

ok i got nothing,impress.learning,pretending,differently,second,share, and gain
*June 23, 2011*

**English **

alright please do when i finsih
*June 23, 2011*

**English **

According to Kubler Ross, The lessons that dying people teach espically valuable . dying people can look back honestly, because they have ------ to ----- by ------ or trying to -------- anyone -------. They only want to thinking about how they would do things ------- if they ...
*June 23, 2011*

**reading**

According to Kubler Ross, The lessons that dying people teach espically valuable . dying people can look back honestly, because they have ------ to ----- by ------ or trying to -------- anyone -------. They only want to thinking about how they would do things ------- if they ...
*June 23, 2011*

**science**

when water is turn into steam it expands or contacts many times or both ??? i need help with this question
*June 19, 2011*

**reading **

Examine the evidence of the Earth's shape. The sharp horizon at first suggests a flat Earth with an edge. But as you walk toward the horizon, the "edge" recedes ahead of you, implying that the Earth's surface is curved. Look also at a ship sailing out to sea...
*June 14, 2011*

**Science**

I need an Acrostic poem for the word science
*June 10, 2011*

**calculus(equating coefficients)**

Can somebody explain to me why equating coefficients work? Example: 8x^3+13x = Ax^3 + 2Ax + Bx^2 + 2B + Cx + D expanded into: 8x^3 + 13x = Ax^3 + Bx^2 + (2A+C)x + 2(B+D) where A,B,C,D are constants. Why does 8 = A; 0 = B; 13 = 2A + C; etc. I know they have same power variables...
*June 6, 2011*

**Math Deadline Approaching: Please Help**

Thanks....
*June 6, 2011*

**Deadline Approaching: Please Help**

SIMPLEX METHOD - Table: Nutrient Peanuts Raisins M&Ms Pretzels Calories 855 435 1024 162 Protein 34.57 4.67 9.01 3.87 Fat 72.50 0.67 43.95 1.49 Carbs 31.40 114.74 148.12 33.68 Suppose that you want to make at most 10 cups of trail mix, using all the ingredients. You want each ...
*June 6, 2011*

**Math**

What is the proper constraint for this: "You want each of the ingredients to contribute at least 10% of the total volume of the mix made."
*June 6, 2011*

**Math**

I have the objective, I just need the constraints. If you can please list all of the constraints. The constraint that is stumping me is the one where I have to show 10% of the total. Thanks!!!!!
*June 6, 2011*

**Math**

MathMate - I'm still confused, please see below. Thanks!! SIMPLEX METHOD - Table: Nutrient Peanuts Raisins M&Ms Pretzels Calories 855 435 1024 162 Protein 34.57 4.67 9.01 3.87 Fat 72.50 0.67 43.95 1.49 Carbs 31.40 114.74 148.12 33.68 Suppose that you want to make at most ...
*June 6, 2011*

**Math**

MathMate, Sorry.. still confused. I set up the constraints as x1>1, x2>1, x3>1, x4>1 but I'm not getting the answer. Are those contraints correct or is there another way to write it?
*June 4, 2011*

**Math**

SIMPLEX METHOD - Table: Nutrient Peanuts Raisins M&Ms Pretzels Calories 855 435 1024 162 Protein 34.57 4.67 9.01 3.87 Fat 72.50 0.67 43.95 1.49 Carbs 31.40 114.74 148.12 33.68 Suppose that you want to make at most 10 cups of trail mix, using all the ingredients. You want each ...
*June 4, 2011*

**math **

a drum with a 24'' od has a circumference of _''. ????
*June 4, 2011*

**math **

6 cu ft contain_ cu in.???
*June 4, 2011*

**math **

18.84
*June 4, 2011*

**math **

985.96 is this correct
*June 4, 2011*

**math **

the volume of a tank that is 2'- 0'' in diameter and 6' -0'' long is _ cu ft. ???? please help
*June 4, 2011*

**math **

a 31'' diameter circle has an are of _ sq ft.????
*June 3, 2011*

**math**

96 cu in. is this correct
*June 3, 2011*

**math**

the volume of a container that is 8'' long , 4 '' deep, and 3'' high is _ cu in. ???
*June 3, 2011*

**math**

754.385 is this correct
*June 3, 2011*

**math**

a 31'' diameter circle has an area of _ sq ft. ???
*June 3, 2011*

**math**

the radius of a13.5' diameter circle is _ ' ???
*May 29, 2011*

**english / laungage**

3. C 4.d 5.c
*May 24, 2011*

**trig**

Find the angle between 0 and 2pi that is coterminal with negative one half pi; expressing the answer in radians in terms of pi.
*May 19, 2011*