Tuesday

January 17, 2017
Total # Posts: 2,066

**pre calc**

A math teacher uses four algebra books, two geometry books, and three pre-calculus books for reference. In how many ways can the teacher arrange the books on the shelf if books coiver the same subject matter are kept together?

*September 25, 2011*

**Fractions**

I got it x>93/72?

*September 23, 2011*

**Math the end**

The answers are -5 and -3 I need to know hoe to write the solution {x x> } help

*September 23, 2011*

**Math the end**

Can domeone help me with this? solve 7x + 4 ¡Ý - 31 or 9x + 4 ¡Ý - 21 I need to know how to write the solution {x x> } This is my last day of this class

*September 23, 2011*

**math**

A Freight train passed through a town. Behind the engine was the coal car. The cattle car was between the milk car and the lumber car. The open boxcar was in front of the flat car but directly behind the milk car. Of course, a caboose was at the end. In what order were the ...

*September 23, 2011*

**Math**

Thank You

*September 23, 2011*

**Math 116a**

Solve and Graph 2x+9¡Ý5 and 2x-13¡Ý-9 The solution is {x|x¡Ý } Help

*September 23, 2011*

**Math 116a**

Solve 9/10(3+8x)+3¡Ý15 The solution is {x|x }

*September 23, 2011*

**Algebra 116 A**

solve and graph 2x+9 greater or equal to 5 and 2x-13 greater or equal to -9 the solution is {x x greater or equal to ?} What is the ? help

*September 23, 2011*

**Algebra 116 A**

I thought I needed Brackets or such

*September 23, 2011*

**Algebra 116 A**

I need to write an interval notion for 9<x<14 = how do I write this?

*September 23, 2011*

**Chemistry**

What is the frequency of radiation that has a wavelength of 12um about the size of a bacterium

*September 22, 2011*

**algebra help bad!!!!**

Thanks Steve

*September 22, 2011*

**Math**

Solve 3(3-8x)+5<2(9+6x) Use set builder notion to describe the solution? I got x=9/31 is this correct???

*September 22, 2011*

**Math**

What is the classify system of Y=-3 and X=2

*September 22, 2011*

**Math**

What is the classify system of Y=-3 and X=2

*September 22, 2011*

**math**

.0051813

*September 22, 2011*

**Algebra 116 A**

What kind of interval notion do you get for this 9<x<14?

*September 22, 2011*

**Math help!!**

Solve 3(3-8x)+5<2(9+6x) Use set builder notion to describe the solution? I got x=9/31 is this correct???

*September 22, 2011*

**Math 116**

Solve 3(3-8x)+5<2(9+6x) Use set builder notion to describe the solution? I got x=9/31 is this correct???

*September 22, 2011*

**Math 116a**

Graph and write the interval notion? 9<x<14

*September 22, 2011*

**Math 116 A**

Do I use the [ ] or the () on the number line?

*September 22, 2011*

**Math 116 A**

7X+4>-13 or 9x+4>-23 The solution of the compound inequality is ? I am totally lost!!!!!!!!

*September 22, 2011*

**Math a**

7X+4>-13 or 9x+4>-23 The solution of the compound inequality is ? I am

*September 22, 2011*

**Math 116 A**

Solve 3(3-8x)+5<2(9+6x) Use set builder notion to describe the solution?

*September 22, 2011*

**Math 116a**

7X+4>-13 or 9x+4>-23 The solution of the compound inequality is ? I am totally lost!!!!!!!!

*September 22, 2011*

**Math 116 a**

9<x<14 write an interval notion?

*September 22, 2011*

**Math 116A**

Solve 3(3-8x)+5<2(9+6x) Use set builder notion to describe the solution? Help!!!!!

*September 22, 2011*

**Math 116**

How would the order be (2,-3)?

*September 22, 2011*

**Math 116**

If I graph these is there only one line? Is the system consistant or inconsistant? Is it dependent or Independent?

*September 22, 2011*

**Math 116**

How do you graph X=2 and y=-3 what is the order pair if any?

*September 22, 2011*

**Math 116**

OOps sorry 8x-5y=35 -8x+5y=-35 are these consistant?

*September 22, 2011*

**Math 116**

would the graph of 8x+5y=35 be consistant or non consistant? I think consistant

*September 22, 2011*

**Math 116**

what is an interval notation and how do you find it? or write it?

*September 21, 2011*

**Math**

whay would you need to add that just add the 38+ 45?

*September 21, 2011*

**Math**

Subtract 5 from 88?

*September 21, 2011*

**Math 116**

How would you write an interval notation for 9<x<14? would it be {x x9<x<14}?

*September 21, 2011*

**Math**

The aunt lives farther out add them together

*September 21, 2011*

**Math 116**

How would you write an interval notation for 9<x<14? would it be {x x9<x<14}?

*September 21, 2011*

**Math 116**

I believe the car is worth more or equal to 7500? X=7500.00

*September 21, 2011*

**Math 116**

miguels insurance company will replace his car if repair cost exceed 80% of the cars value the car recentlly sustaned $6000 in damage but it was not repalced what was the car's value?. Was it more the $7500 or is it 7500

*September 21, 2011*

**physics**

a car starts from rest and accelerates for 7.8s with an acceleration of 2.3 m/s squared. how far does it travel

*September 20, 2011*

**anatomy**

What contains blood vessels that nourish the growth zone of the hair? -hair shaft -arrector pili muscle -hair root -hair bulb in follicle -cortex -hair papilla

*September 19, 2011*

**Statistics**

20. A study involves measuring the number of days absent from work for 216 employees of a large company during the preceding year. As part of the results, the researcher reports, “The number of days absent during the preceding year (M = 9.21; SD = 7.34) was . . . .” ...

*September 17, 2011*

**ochem**

Predict a reasonable melting point of a mixture prepared by combining 25mg of biphenyl (mp=70-71C) with 75mg of acetyl salicylic acid (mp=138-140C). Answer should have temps in it.

*September 15, 2011*

**Physics-can anyone check my work?**

A particle starts from the origin with velocity 2i m/s at t = 0 and moves in the xy plane with a varying acceleration given by 2 (sq root t) where is in meters per second squared and t is in seconds. (a) Determine the velocity of the particle as a function of time. So I ...

*September 14, 2011*

**Physics**

A particle starts from the origin with velocity 2i m/s at t = 0 and moves in the xy plane with a varying acceleration given by 2 (sq root t) where is in meters per second squared and t is in seconds. (a) Determine the velocity of the particle as a function of time. So I ...

*September 14, 2011*

**math**

So there are 6 different grade levels with 3 classes in each. So 6*3 = 18 classes total. If there are approximately 27 children in each class, than 27*18 = ? your answer.

*September 14, 2011*

**Calculus II**

Find the volume of the solid obtained by revolving the graph of y= 6x sqrt (9-x^2) over [0,9] about the y-axis.

*September 14, 2011*

**math math**

How do you write the solution to represent the point if intersection?

*September 13, 2011*

**algebra 11**

How do you write the solution to represent the point if intersection?

*September 13, 2011*

**Math**

When using the elimination method does it matter which variable you choose to eliminate? How do you write the solution to represent the point if intersection? I guess it doesnt matter

*September 13, 2011*

**sociology**

It needs to be formal.

*September 12, 2011*

**sociology**

I am writing an essay about my unique,distinctive and universal characteristics. I started my into and i was wondering if someone good proof read for an errors. Thank you

*September 12, 2011*

**physics**

A person walking with a speed of 1.44 m/sec releases a ball from a height of h = 1.28 m above the ground. Use the point on the ground, directly below where the ball is initially released at the origin of your coordinate system. (a) What is the ball's position at 0.25 ...

*September 11, 2011*

**Siddhartha**

Why was the ferryman, Vasudeva so important in the book Siddhartha?

*September 11, 2011*

**physics**

when the shuttle bus come to a sudden stop to avoid hitting a dog, it decelerates uniformly at 4.6 m/s^2 as is slows from 8.2 m/s to 0 m/s. How long does it take for the acceleration for the bus. Answer in units of s

*September 6, 2011*

**Physics**

A car moving with a constant acceleration covers the distance between two points 80 m apart in 8.0 s. Its velocity as it passes the second point is 14 m/s.How far behind the first point was the car at rest?

*September 5, 2011*

**Physics**

Police find skid marks 66 m long on the highway showing where the car made an emergency stop. Assuming that the acceleration was -10 m/s2 (about the maximum for dry pavement), how fast was the car going?

*September 5, 2011*

**Physics**

When would instantaneous speed be the same as average speed? would it be when the speed is constant? when the position changes linearly with time or would it be in the limit when the time interval goes to zero? I thought it would be when the speed is constant, but i'm not ...

*September 5, 2011*

**Physics**

When would instantaneous speed be the same as average speed? would it be when the speed is constant? when the position changes linearly with time or would it be in the limit when the time interval goes to zero? I thought it would be when the speed is constant, but i'm not ...

*September 5, 2011*

**statistics**

One year, professional sports players salaries averaged 1.6 million with a standard deviation of .7 million. Suppose a sample of 100 major league players was taken. Find the approximate probability that the average salary of the 100 players exceeded 1.1 million.

*September 4, 2011*

**PreCal**

x^2+y^2-4x-12y+31=0

*September 3, 2011*

**Math Algebra**

f(x)=x^3+4 f=1, f=-1 Are the answer to this 5 and 3 I must not understand

*September 2, 2011*

**math**

f(x)=x^3+4 f=1, f=-1 would the answer be 5 and 4? help Thought I knew this

*September 2, 2011*

**math**

Function M described by M(x)= 3x+16 can be used to predict the circumference of the waist of a male in x inches who is obese . Predict the circumference of a male’s waist whose inches are 49 would this be 3(49)+16=163 I hope I did this right

*September 2, 2011*

**math**

You deposit $2200 in an account that pays 3% annual interest. After 15 years, you withdraw the money, what is the balance if the interest is compounded quarterly? so I figure you would get 2650.00 help please

*September 2, 2011*

**math**

So is the function, f(x)= 2x²- 3x + 4 linear or nonlinear? Find f(-3) and f(3) for this function. I have the answer f(x)= 2(3)²- 3(3) + 4 =29 and f(x)= 2x²- 3x + 4 =49 I hapo this is correct and this is non linear?

*September 1, 2011*

**math**

What are three points that you can plot to graph the function f(x)=2x²- 5? I don't understand this

*September 1, 2011*

**Math Graphs**

If you were going to graph this function what would be the coordinates of the points that you would plot? Is this a linear or nonlinear function? Explain. f(x)= 2x+5 inputs (5) and (8) f(8)= 2(8)+5=16+5=21 f(5)= 2(5)+5=10+5=15 Would the points be (5,15) and (8,21)?

*September 1, 2011*

**math**

If you were going to graph this function what would be the coordinates of the points that you would plot? Is this a linear or nonlinear function? Explain. f(x)= 2x+5 inputs (5) and (8) f(8)= 2(8)+5=16+5=21 f(5)= 2(5)+5=10+5=15 Would the points be (5,15) and (8,21)?

*September 1, 2011*

**Math**

Thank you I think I forgot to sqaure and cube the first time.

*September 1, 2011*

**Math**

Then when I use five it iwould be the same way 25+10^3=46656

*September 1, 2011*

**Math**

y=(x^2+10)^3 using 4 and 5 would the answer be 4 and 7?

*September 1, 2011*

**math**

A fisherman had to be at an appointment at 10:30. He went fishing at 7:00 and was 20 miles from the boat dock. If the fisherman's boat goes 80 miles per hour,what time will he reach the dock if he left at 9:30 from his current position?

*August 30, 2011*

**math**

f(x)= 2x+5 inputs (5) and (8) So would the answer be 15 and 21

*August 30, 2011*

**Math**

An example of a nonlinear function would be f(x) = 2x² + 3. What do you think makes it a nonlinear function? Is this because when itis graphed it would curve instead of make a straight line?

*August 30, 2011*

**Math**

do I have the right answers? f(x) = (5 - x)² Find f(2) and f(-2) I end up with 24 on both equations

*August 30, 2011*

**calculus (PLEASE HELP!)**

f(x)=((x+1)^3)-2 1. Describe the long term behavior of this function. Give the power function that f resembles. 2. Determine the number of turning points f has.

*August 30, 2011*

**math**

68 810 116

*August 29, 2011*

**math**

would the answer be 5/3? 5divided by 5-2 is 3 5/3 the answer?

*August 29, 2011*

**math**

what is the answer to f(x)=5/(x-2) if f(5)?

*August 29, 2011*

**algebra**

Can someone help me Create an equation of a nonlinear function and provide two inputs for your classmates to evaluate.

*August 29, 2011*

**math**

is it 15 yards

*August 29, 2011*

**Calculus**

infinite not infamous my bad :)

*August 22, 2011*

**Calculus**

Find the points of intersection for y=e^x and y=sin(2x). are there an infamous (sp?) number of points of intersection for these equations?

*August 22, 2011*

**Chemistry**

How many milliliters of a 0.1 Molar NaOH solution is needed to neutralize 1 liter of lemonade containing 25% citric acid?

*August 5, 2011*

**world history**

During the fourteenth century, Japanese women of aristocratic rank

*August 2, 2011*

**Math**

The length of a rectangle is 6 inches less than 3 times its width. Find the dimensions of the rectangle if its area is 45 square inches.

*July 27, 2011*

**Chemistry**

an electron has an uncertainty in its position of 552 pm. what is the uncertainty in its velocity?

*July 25, 2011*

**AP Bio (but its a question about chemistry)**

no idea how to do this... describe how you would prepare from the specified stock solution: 400 mL of 0.45 M urea starting with a 6 M urea stock solution

*July 24, 2011*

**AP Bio (but its a question about chemistry)**

i have no idea how to do this! Calculate the volume of the specified titrant required to neutralize 35 ml of .4 M NaOH. Titrant: 0.75 M H2SO4 [2NaOH + H2SO4 „» 2H2O + Na2SO4]

*July 24, 2011*

**Chemistry**

What mass of water, in grams, would have to be decomposed to produce 25.1 L of molecular oxygen at STP?

*July 22, 2011*

**Chemistry**

4 FeS(s) + 7 O2(g) ==> 2 Fe2O3(s) + 4 SO2(g) 7.82 moles of FeS are required to produce 3.91 moles of Fe2O3 What is the maximum number of liters of Fe2O3(s) that can be made from 10.95 L of O2(g) and 18.64 L of FeS(s) at STP?

*July 22, 2011*

**Chemistry 101 college**

you have 10 mL of a 1.0 M Ba(OH)2 solution and add it to 2.5 L of water. What is the concentration of hydroxide ionsin the diluted Ba(OH)2 solution?

*July 19, 2011*

**Chemistry 101 college**

How many grams of chloride ions are in a 2.5L of a 1.0 M calcium chloride solution?

*July 19, 2011*

**Chemistry 101 college**

you have 10 mL of a 1.0 M Ba(OH)2 solution and add it to 2.5 L of water. What is the concentration of hydroxide ionsin the diluted Ba(OH)2 solution?

*July 19, 2011*

**Calc 3**

intersect x^2+y^2=36-8x^2-8y^2

*July 13, 2011*

**physics**

Number of beats heard per second = 15/5 = 3 beats/sec. We know number of beats heard per second = difference in frequency of the two sound waves. So 3 = 440 - fp, where fp is the frequency of the piano key which is slightly lower than 440 Hz. Solving for fp, we get fp = 337 Hz.

*July 9, 2011*