Friday

April 18, 2014

April 18, 2014

Total # Posts: 1,663

**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 car...

**Math **

Thank You

**Math 116a**

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

**Math 116a**

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

**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

**Algebra 116 A**

I thought I needed Brackets or such

**Algebra 116 A**

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

**Math**

Yes

**algebra help bad!!!!**

Thanks Steve

**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???

**Math**

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

**Math**

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

**math**

.0051813

**Algebra 116 A**

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

**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???

**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???

**Math 116a**

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

**Math 116 A**

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

**Math 116 A**

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

**Math a**

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

**Math 116 A**

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

**Math 116a**

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

**Math 116 a**

9<x<14 write an interval notion?

**Math 116A**

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

**Math 116 **

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

**Math 116 **

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

**Math 116 **

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

**Math 116**

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

**Math 116**

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

**Math 116**

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

**Math**

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

**Math**

Subtract 5 from 88?

**Math 116**

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

**Math**

The aunt lives farther out add them together

**Math 116**

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

**Math 116**

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

**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

**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

**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

**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 . . . .” ...

**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.

**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 calcul...

**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 calcul...

**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.

**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.

**math math**

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

**algebra 11**

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

**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

**sociology **

It needs to be formal.

**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

**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 secon...

**Siddhartha**

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

**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

**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?

**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?

**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 ...

**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 ...

**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.

**PreCal**

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

**Math Algebra**

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

**math **

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

**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

**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

**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?

**math **

What are three points that you can plot to graph the function f(x)=2x²- 5? I dont understand this

**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)?

**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)?

**Math **

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

**Math **

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

**Math **

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

**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?

**math**

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

**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?

**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

**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.

**math**

68 810 116

**math **

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

**math **

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

**algebra**

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

**math**

is it 15 yards

**Calculus**

infinite not infamous my bad :)

**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?

**Chemistry**

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

**world history**

During the fourteenth century, Japanese women of aristocratic rank

**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.

**Chemistry**

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

**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

**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]

**Chemistry**

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

**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?

**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?

**Chemistry 101 college**

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

**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?

**Calc 3**

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

**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.

**math**

what is the arithmetic average of the following numbers: 16, 35, 42, 57, and 60?

**geometry**

In rectangle ABCD, if the coordinates of A are (0, 0) and the coordinates of C are (r, s), what are the coordinates of B.

**Chemistry**

PLease help how many grams of potassium chlorate decomposes to potassium chloride and 638 mL of O2 at 128°C and 752 torr? the formula given: 2KClO3(s) 2KCl(s) + 3O2(g)

**chem**

how many grams of potassium chlorate decomposes to potassium chloride and 638 mL pf o2 at 128°C and 752 torr? 2KClO3(s) 2KCl(s) + 3O2(g)

**geometry**

In parallelogram ABCD, A (0,0),B(a,b)and D(c,0)are three of it's vertices, what are the coordinates of C in terms of a,b,c

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