Saturday

February 6, 2016
Total # Posts: 421

**math 115**

Thank you I met 45
*September 17, 2010*

**math 115**

You can use functions to figure how much money you earn in a day..if you work "x" hours in a day and you make $"y" in a day. So let's say that you work 5 hours in a day and you make $9 an hour y=5x+9 9x5=40 would this be the right way of working this ...
*September 17, 2010*

**math 115**

find (-4) when f(x) = 4-2x f(-4)+4-2 f(-4)=-2 Is that correct I am having a hard time with this and I know it so easy my brain is frozen...
*September 16, 2010*

**math/115**

thank you again
*September 16, 2010*

**math/115**

f(x) = 2x - 14 Find f(3) and f(-3). f(3)=2 -14=7 f(3)=2+14 is this correct
*September 16, 2010*

**math 115**

Thank you Rachel I understand much better
*September 16, 2010*

**math 115**

h(x) = 19-x when x is 5 and when x is -5 I need to write and expression so is this the right way? h(x)=19 h(5)x19 h(5)x 19=-5
*September 16, 2010*

**math/116**

How can I determine if two lines are perpendicular?
*September 15, 2010*

**math/116**

How can I determine if two lines are perpendicular?
*September 15, 2010*

**math/116**

How can I determine if two lines are perpendicular?
*September 15, 2010*

**algebra**

a) What year would be represented by x = 2? 2002 x 1 = 2003 so it would be 3x2=6 b) How much did it cost per gallon of gasoline in the year represented by x=2? .99
*September 15, 2010*

**Math/116**

Thank you for your help
*September 15, 2010*

**Math/116**

2. Suppose that the linear equation y = 0.3x + 0.9 represents an estimate of the average cost of gas for year x starting in 2002. The year 2002 would be represented by x = 1, for example, as it is the first year in the study. Similarly, 2008 would be year 7, or x = 7. a) What ...
*September 15, 2010*

**Math/116**

Thank you can you explain to me how you got the 17.5 answer please
*September 15, 2010*

**Math/116**

1. Suppose you are at the gas station filling your tank with gas. The function C(g) represents the cost C of filling up the gas tank with g gallons. Given the equation: C(g) = 3.5 (g) a) Find C(2) 3.5 x 2 = 7 b) Find C(5) 7/5 = 1.4 would this be correct ?
*September 15, 2010*

**Algebra **

f(8)=8
*September 15, 2010*

**Algebra **

They want me to solved this problem tha is what I thought...we are working on linear function does that help any.
*September 15, 2010*

**Algebra **

I have a problem with linear funtion is f(8)=8 f(x) = x + 10=what is x is that always 0 so this answer would 10
*September 15, 2010*

**Alegbra 116 Help Please**

why the line x = 4 is a vertical line. Name three points on the line represented by x=4. Then explain why, when we connect these points, the line goes straight up and down and does not slant to the left or right. Is the three point becasue on a graph we have -4 =4 on a graph ...
*September 9, 2010*

**Algebra **

Thank you making me understand that better
*September 8, 2010*

**Algebra **

I am having a hard time with this problem 3. You are going to plant trees in your hilly backyard. Tree A is located at coordinates (1,2) and Tree B is located at (3,12). What is the slope of the hill between the two trees? Show how you arrived at your answer
*September 8, 2010*

**Alegbra 116**

I am having problem with this one you are going to help a neighbor build a ramp so he can easily go into his house in a wheel chair In order to meet federal guideline the ramp must not rise mor than 1 foot over a horizontal distane of 12 so would my answer be y x 12 - 1
*September 8, 2010*

**math 116 Help Please**

1. Suppose you are at the gas station filling your tank with gas. The function C(g) represents the cost C of filling up the gas tank with g gallons. Given the equation: C(g) = 3.5 (g) a) Find C(2) (2 pts.) b) Find C(5) (2 pts.) 2. Suppose that the linear equation y = 0.3x + 0....
*September 8, 2010*

**Alegbra 116 Help Please**

Buying a Home For most people, buying a house is a great investment that can offer security in an uncertain world, but buying a house is also a commitment. Application Practice After putting your name on this document, above, answer the following questions. SHOW YOUR WORK FOR ...
*September 8, 2010*

**Alegbra 116 Help Please**

1) Your are planning to spend no less than $8000.00 and no more than $12,000 on your landscape project a) Write an inequality that demonstrates how much money you will be will to spend on the project B) Suppose you want to cover the backyard with the decorative rock and plant ...
*September 8, 2010*

**Alegbra 116**

1) Your are planning to spend no less than $8000.00 and no more than $12,000 on your landscape project a) Write an inequality that demonstrates how much money you will be will to spend on the project 8000< + x < 12,000 B) Suppose you want to cover the backyard with the ...
*September 7, 2010*

**Alegbra 116 Help Please**

1) Your are planning to spend no less than $8000.00 and no more than $12,000 on your landscape project a) Write an inequality that demonstrates how much money you will be will to spend on the project B) Suppose you want to cover the backyard with the decorative rock and plant ...
*September 7, 2010*

**Alegbra 116**

I guess no one wants to help me and my friend sydney....
*September 7, 2010*

**Alegbra 116**

1) Your are planning to spend no less than $8000.00 and no more than $12,000 on your landscape project a) Write an inequality that demonstrates how much money you will be will to spend on the project B) Suppose you want to cover the backyard with the decorative rock and plant ...
*September 7, 2010*

**math 116 Help Please**

1) Your are planning to spend no less than $8000.00 and no more than $12,000 on your landscape project a) Write an inequality that demonstrates how much money you will be will to spend on the project B) Suppose you want to cover the backyard with the decorative rock and plant ...
*September 7, 2010*

**math 115**

Thank you
*September 7, 2010*

**Math 116**

So would this be the right answer? $8000< x < $12,000
*September 7, 2010*

**Math 116**

Thank you Ms.Sue..
*September 7, 2010*

**math**

how do you find the domain of f if f(x)= (2x-3)/(4x+5) Thank you
*August 23, 2010*

**Math**

how do you solve 5z-43=2z+80
*June 2, 2010*

**2nd grade**

there are 16 children in room a. there are 11 children in room b. can they make 2 equal teams? How many children would be on each team?
*April 20, 2010*

**math**

double my tens digit to get my ones digit. double me and i am less than 50? who am i
*March 31, 2010*

**11th grade**

7662.3223 moles C
*March 12, 2010*

**`Math**

Can someone show me an example of area of compound figure? and how to solve
*March 3, 2010*

**5th grade**

How do you figure out area of compound figure
*March 3, 2010*

**CHEMISTRY!!**

A student determined the calorimeter constant of the calorimeter. The student added 50.00 mL of cold water to 50.00 mK of heated , distilled water in a styrofoam cup. The initial temp of the cold water was 21,00C and the hot water, 29.15C. The maximum temp pf the mixture was ...
*March 3, 2010*

**spanish**

what does los dias de clase mean
*March 2, 2010*

**math**

how do you find the slope
*February 19, 2010*

**Physics**

The general relationship of oscillation T of a mass m suspended on a spring is T=2(pie)square root of m/k, where k is the spring constant. how would i change this equation into a straight line equation to graph?
*January 25, 2010*

**Science**

Of COURSE it is! I'm in 6th grade too and that sounds great. Don't worry about it ^_^ Just do it and forget what other people think. All you have to do is make it accurate and well done. Your teacher won't judge you for childness. Just the quality of your work.
*November 16, 2009*

**10th grade algebra **

4.3
*November 12, 2009*

**10th grade algebra**

4.3
*November 12, 2009*

**Geometry**

32/100=16/50=8/25? Is this the correct way to write 32% as a reduced fraction
*October 20, 2009*

**Math**

solve x^2 = 2^x
*September 20, 2009*

**Math**

please help me x^3-3x-3=0 thanks
*September 20, 2009*

**math**

tn = a1 + (n-1)d t2 = 12 and t3 = 24 so d= 24-13=11 so we need to find a1 t2=a1 + (n-1)d 12 = a1 + (2-1)11 12 = a1 +11 1 = a1 then t15 = 1 + (15-1)11 t15 = 1 + 154 t15 = 155
*September 20, 2009*

**math - probability**

where did you get the 8/7/6 from 3 warehouse * 8 outlets = 24ways
*September 20, 2009*

**math**

i) 105 = 5A + 3B 63 = 4A + 1B ii)you solve this system equation by either by substitution or elimination cheers
*September 20, 2009*

**Pre-Algebra**

what is 8, 9, and 11?
*September 15, 2009*

**math**

What is three eighths of 32 pieces? And how do i write out the problem to find the answer?
*September 2, 2009*

**college algebra**

The interest rate is 8%.
*August 8, 2009*

**college algebra**

I am dealing with Interest Compounded Continuosly. I am looking for the balance after 10 years. The book shows that P(10) = 2oooe^0.08(10) = 2000e^0.8 = $4451.08 My questions is how do you calculate 2000e^o.8 and end up with 4451.08?
*August 8, 2009*

**math**

Thank you very much, you have been a great help!!!
*July 26, 2009*

**math**

Solve X + 1/x – 2 ≥ 3 I know you have to subtract the 3 from both sides to get the zero on right of the inequality sign. I don't understand how to make one fraction after I do this.
*July 26, 2009*

**College Algebra**

I'm working on vertical asymptotes when factoring 6x^2 - 6 (denominator). I came up with 6(x^2-1). Then I was trying to find the zeros of the denominator but 6 does not = 0 and x^2-1=0 then I got x^2=1 and x = plus or minus sqrt 1. Can you tell me what I am doing wrong?
*July 25, 2009*

**Chemistry**

Please help! Thanks. An ammonia solution is made by diluting 0.105L of the concentrated commercial reagent until the final volume reaches 1.00L. What is the final molar concentration?
*July 19, 2009*

**Chemistry**

Okay thank-you!
*July 18, 2009*

**Chemistry**

Please help me! Thank-you! Calculate the concentration, in moles per liter, of a fertilizer solution if 500.0 mL of the solution contains 1.84 g of copper sulphate, CuSO4.
*July 18, 2009*

**Chemistry**

Well it says to find valence electrons to make the Lewis dot diagram, I'm not sure if that helps.
*July 15, 2009*

**Chemistry**

How many valence electrons are in carbon tetrachloride?
*July 15, 2009*

**Math**

It is found that 99% of a particular design of sport parachute have k-values greater than or equal to 1.650/s. If the mean value of k is 1.730/s, determine, to the nearest thousandth, the standard deviation of the distribution of k-values. Help, thank-you!
*June 2, 2009*

**Physics**

Thank-you, very much!!!
*June 1, 2009*

**Physics**

Okay, relevant equations: v(subscript)t=g/k or k=g/v(subscript)t My attempt at the soloution, honestly, I have no clue, me and a friend have attempted this question and we still cannot figure it out. Please help me, I am totally lost.
*June 1, 2009*

**Physics**

Somebody please help me, I am really having problems. Thank-you!
*June 1, 2009*

**Physics**

For beginner parachutists, the terminal velocity must be less than 5.00 m/s, and the parachutes used have a k-value that is normally distributed with a mean of 2.05/s and a standard deviation of 0.04/s. If the acceleration due to gravity is 9.81 m/s^2, determine the ...
*June 1, 2009*

**Physics**

The equation describing the velocity of the ice falling from the wing as a function of time is v=45(1-(0.804)^t). Determine algebraically the time required, to the nearest tenth of a second, for the ice to reach a velocity of 98% of its terminal velocity of 45 m/s. (v=velocity...
*June 1, 2009*

**Math**

Can somone please help me with this question. Thank-you! Solve for x if 125^3x-1=25^x+4
*May 17, 2009*

**Math**

Hi, I'm really having problems with this question, can someone please help me. Thank-you! Algebraically solve for 0<phaeta<2pi, 2cos^2 phaeta-7 cos phaeta +3=0
*May 17, 2009*

**Math**

I asked this question yesterday, but I am still having alot of trouble, can someone please help me. Thanks. If 1-cos^2x=0.8725, and x is acute, determine the value of x correct to the nearest tenth of a degree.
*April 19, 2009*

**Math**

Can someone please help me I am really strugling with this question. Thanks!
*April 18, 2009*

**Math**

If 1-cos^2x=0.8725, and x is acute, determine the value of x correct to the nearest tenth of a degree.
*April 18, 2009*

**ict-SraJMcGin**

Sorry i didn`t reply sooner ive only just looked at the post.Thankyou so much for finding the images it was kind of you to use the time you had spare to help me. thanks again:)
*March 29, 2009*

**ICT-Sra + Writeacher**

Thanks both of you for your help .
*March 27, 2009*

**ICT**

I need to design a cyber anti-bullying logo. ive got no idea. any ideas id be so grateful for . thankyou
*March 27, 2009*

**Math/Algebra do u know how to do slope intercept?**

yo sup peops 2x - is y -
*March 26, 2009*

**Math**

Solve for the value of x. x to the power of -2/3=9/4
*March 8, 2009*

**6th grade**

Is there a web site that helps make sentences with the words that I have?
*February 3, 2009*

**BEH 225**

Behavioral analysis and diagnosis of medical conditions used in the DSMIII such as schizophrenia, bipolar, add, and depression .... Various medications have effetively allowed people to live close or close to normal lives by equalizing biological imbalances : ).
*January 20, 2009*

**science**

Thank you the sites look very helpful!
*January 20, 2009*

**science**

I need a really cool unusual idea for my 5th grade science fair project - any ideas would be appreciated. Thank you,
*January 20, 2009*

**Chem**

That's correct. Just play around with the number of sig figs (there should be 3) and your answer will be correct.
*January 18, 2009*

**american literature**

In "Where the Cross is Made" how does O'Neill indicate what is real or fantasy?
*January 12, 2009*

**writing**

what should we do to write a good paragraph?
*December 30, 2008*

**first aid**

when do we experience nose bleeding?
*December 30, 2008*

**disease**

how can we control asthma?
*December 30, 2008*

**English**

for your first question, we use would as a past tense.
*December 30, 2008*

**science**

i"m in seventh grade
*December 30, 2008*

**science**

what science project can i create in the category of space?
*December 30, 2008*

**science**

different inventions
*December 30, 2008*

**Writing Paper**

what should we do to write a good paragraph?
*December 29, 2008*

**please help me unscramble this word**

RSECERBAINR
*December 11, 2008*

**science**

what kind of change is it when water goes through a water cycle
*November 15, 2008*

**English**

Answer the freaking qusitions
*October 8, 2008*

**US History**

the thirteen colinies of what country from Europe and In what year did the thirteen colinies declare their independence from britan what year was it
*September 28, 2008*

**science**

cells are the basic units of structure and function in living organisims ture or false
*May 17, 2008*