Tuesday

July 7, 2015

July 7, 2015

Total # Posts: 2,232

**slope(algebra1)**

can a slope be 158/120? if there are multiple data points on a graph that aren't the same (ex: up 2 over 3), do i use the first and last points to find the slope?
*November 2, 2008*

**slope(algebra 1)**

i know that slope is rise over run, but how do i find the slope of a line with data points with a positive correlation that vary on the line? because there are points that the line doesn't go through. the data points represent number of heartbeats per second. what do i do?
*November 2, 2008*

**Math**

Write the ratio of 4 1/3 to 6 in simplest form. I am not sure how to do this can someone explain how?
*November 2, 2008*

**chemistry**

a)indium-115 has a half life of 4.5 hours. if you start with a 12.0-mg sample of indium-115, how much will remain after 13.5 hours? b)how much of a 3.50-mg smaple of nickel-63 will remain after 368 years? the half-life of nickel-63 is 92 years?
*October 31, 2008*

**psy**

I don't know if we are in the same school or even have the same textbook, but until I came to this site I could not get the gist of them material either. My text book is like reading stereo instructions.
*October 30, 2008*

**college-Linear Algebra**

Let V={f(x)=c0 + c1x + c2x2 : ç01 f(x)dx=1}. In other words, V is the set of all polynomials of degree 2 or less such that their integral from 0-1 is equal to 1. a)Show that the sum of two polynomials in V is not in V b)Show that an affine combination of two ...
*October 29, 2008*

**Linear Algebra**

Suppose A and B are non-zero matrices such that A^2=0 and B^3=0(But B^2 does not =0) find in simplst form: a)(A+B)^2 b)(A+B)^3 c)(A+B)^4 d)(A+B)^5 e)(A+B)^6
*October 29, 2008*

**Math**

Let V={f(x)=c0 + c1x + c2x2 : ç01 f(x)dx=1}. In other words, V is the set of all polynomials of degree 2 or less such that their integral from 0-1 is equal to 1. a)Show that the sum of two polynomials in V is not in V b)Show that an affine combination of two ...
*October 29, 2008*

**Math**

Suppose A and B are non-zero matrices such that A^2=0 and B^3=0(But B^2 does not =0) find in simplst form: a)(A+B)^2 b)(A+B)^3 c)(A+B)^4 d)(A+B)^5 e)(A+B)^6
*October 29, 2008*

**statistics**

A box of tickets averages out to 75 and the SD is 10. One hundred draws are made at random with replacement from this box. a)Find the chance that the average of the draws will be in the range 65 to 85. b)repeat for the range 74 to 76.
*October 27, 2008*

**Math**

When Tammy was 4, the ratio of Tammy's age to fer father's age was 1:7. What will the ratio of their ages be when Tammy's father is 48. If so what would it be in simplest form.
*October 27, 2008*

**grade seven**

A scale on a map is 1cm to 250km. What does this mean?
*October 27, 2008*

**7th grade**

At a certain time of day, a person's shadow is twice her height. What ratio describes this relationship? At this time of day, Gene's shadow measures 320cm. What is his height?
*October 27, 2008*

**math**

The ratio of height of an object in a photograph to the actal height is 1:100. The height of a statue in the photograph is 5cm. How tall is the statue?
*October 27, 2008*

**6th grade**

HOW DO YOU CHANGE AN IMPROPER FRACTION INTO A WHOLE OR MIXED NUMBER
*October 26, 2008*

**Math**

The ratio of seven dimes to three quarters. It wants me to write this ratio in simpliest form. I really need to understand how to do this. I have a few more like this that I have to do. Thank You
*October 25, 2008*

**Mnemonic Device**

Thanks!
*October 22, 2008*

**Mnemonic Device**

Can someone help me make a mnemonic device for the order of my scales? Here is the order... D G C F B flat E flat A flat D flat F sharp B E A
*October 22, 2008*

**6th grade**

well, you could always wear a togo. or something like that.
*October 19, 2008*

**biology, heart rate**

Exercise makes your hear pump faster increasing your heart rate.
*October 19, 2008*

**Thesis statement help**

I need help writing a thesis. Here are my topic sentences. Question: Analyze the concerns and goals of participants in teh Pilgrimage of Grace and of those who opposed the movement. 1. Participants in the Pilgrimage of Grace consisted of common people and men of status who ...
*October 16, 2008*

**Statistics**

the sum of the draws... basically the net gain
*October 15, 2008*

**Statistics**

Roll a die 100 times. the casino pays 2to 1. you have a 12 in 38 chance to win. the sum could be ___ give or take___
*October 15, 2008*

**Math**

Statistics. The following table gives the free throws attempted (FTA) and the free throws made (FTM) for the top five players in the NBA for a recent season. Calculate the free throw percentage for each player by writing the FTM over the FTA and converting this fraction to a ...
*October 14, 2008*

**biology 2**

what is kingdom fungi
*October 9, 2008*

**psychology**

try and look through your book
*October 9, 2008*

**English**

how the verb is acting
*October 9, 2008*

**statistics**

Suppose that in one week at a certain casino there are 25,000 independent plays at roulette. On each play, the gamblers stake $1 on red. Is the chance that the casino will win more than $1000 from these 25,000 plays closest to 2% 50% or 98% explain.
*October 7, 2008*

**statistics**

shouldn't the standard deviation be 1? i have all the info... i just don't know how to find the z score from the info that i have: avg= 2 SD= 1 sum= 200 SE= 10
*October 6, 2008*

**statistics**

One hundred draws will be made at random with replacement from the box 1, 1, 2, 2, 2, 4... The chance that the sum will be bigger than 250 is what percent?
*October 6, 2008*

**Cultural Diversity**

Thank you. I could not find anything on this when I googled it.
*October 3, 2008*

**Cultural Diversity**

What is the difference between Muslims and Arabs?
*October 3, 2008*

**math**

I got 12
*September 30, 2008*

**algebra scales**

the actual length of the dust mite is 0.3 mm. the length in the image is 21 mm. what is the scale of the image? i dont know what propotion to use!!
*September 24, 2008*

**scales in algebra**

the actual length of the dust mite is 0.3 mm. the length of the image is 21 mm. what is the scale of the drawing?
*September 24, 2008*

**statistics**

For the men age 18 and over the avg height was 69 inches with an SD of 3 inches and avg weight was 190 lbs with an SD of 42 pounds. the r value is around 0.41. Estimate the average weight of the men whose heights were 66in, 24 in, and 0in.
*September 23, 2008*

**math**

what are two whole numbers whose product is 1224 and whose sum is 70
*September 18, 2008*

**Science**

Which paint fades the quickest? (that's all info we have)
*September 15, 2008*

**Psychology**

Anyone know what the article "Night Pilot" is?? Its from a long time ago. Anyone know what its about??
*September 14, 2008*

**Psychology**

I need to find a historical person or a well-known person that is alive today who has a psychological disorder. I was wondering if I could get ideas on who to write about.
*September 13, 2008*

**government**

what is limited government?
*September 11, 2008*

**statistics**

A personality test is administered to a large group of subjects. Five scores are shown below, in original units and in standard units. Fill in the blanks. 79 64 52 72 _ 1.8 .8 _ _ -1.4
*September 11, 2008*

**algebra**

the cube root of the volume of a cube gives the length of one side of the cube. volume=343cm cubed a. find the side length of the cube shown b. find the area of each face of the cube i have no idea how to do this!
*September 7, 2008*

**civics today**

what powers dot the sate gov. adn the federal gov. share?
*September 7, 2008*

**Calculus - repost**

Find the derivative of F(x)= integral from -2 to x of sqrt(t^3+8)dt? My answer: sqrt(x^3+8)? Is this right?
*September 6, 2008*

**Calculus**

Find the derivative of F(x)= integral from -2 to x of sqrt(t^3+8)dt? My answer: sqrt(x^3+8)?
*September 6, 2008*

**math**

how many 2-point coupons and 5-point coupons does Noelani have?
*September 3, 2008*

**Ethnic Diversity**

HA ha ha, I am also an Axia student struggling to find the same answer. I think the instructors need to find some new material!
*September 2, 2008*

**intermediate algebra**

21r^5-14r^4 factor completly: the numbers after the ^ are exponents
*August 24, 2008*

**math**

-8+ -4- -9
*August 14, 2008*

**MICROBIOLOGY**

WHAT WOULD ALLOW A CANCER PATIENT TO DEVELOP A RESISTANCE TO SALMONELLA? THE PATIENT IS RECIEVEING A DRUG THAT INHIBUTS CELL DIVISION.
*August 9, 2008*

**Algebra**

I just wanted to verify the answer I came up with. Solve by the substitution method. 5x+2y=-31 x=-3-2y What is the solution of the system? y=2 x=-7 The ordered pair would be (-7,2)
*August 2, 2008*

**Math**

The length of a rectangle is fixed at 16 cm. What widths will make the perimeter greater than 88 cm?
*August 2, 2008*

**eth- need some info. please**

Hello, I need help finding two creditable sources about bilingualism in politics. Please help my essay is due today. Thank you!
*July 23, 2008*

**Law and Ethics**

Iam on 109 Research projecct and its kicking my butt..
*July 20, 2008*

**Law and Ethics**

thanks a lot, I am myself also having problems on how to do the citation. But I will need to figure it out.
*July 20, 2008*

**Law and Ethics**

i am also taking a course at Penn Foster, I am having such a difficult time in doing the research, can someone tell where can i get most of the info. thanks
*July 20, 2008*

**Law and Ethics**

Hi Stephanie, I am also taking the course at Penn Foster, and I am still searching for good information. good luck, i know the feeling on how hard this research paper is. If i find anything I will definitely share it.
*July 20, 2008*

**lines**

The line through (2,-3) and parallel to 2x+5y=3. The line through (2,-3) and perpendicular to 2x+5y=3. I just can't remember how to solve either of these kinds of problems and i can't find my notes on the subject.
*July 15, 2008*

**ap euro history**

1)what is meant by "western" "civilization"?what concepts are unigue aspects of the west? 2) what accounts for the different methods of dating time?
*July 8, 2008*

**history**

Usually if you try and sow you've done the research the teacher doesn't mark you down too much. aslong as you try and showed you made an effort.
*July 2, 2008*

**trig**

how would you verify this trig identity (1+cos(x) / 1-cos(x)) - (1-cos(x) / 1+cos(x)) = 4cot(x)csc(x) ? help please!
*June 25, 2008*

**Science**

So the moles of H2O is equal to the mols of HCl. Thanks
*June 24, 2008*

**Science**

The number of moles of H2O produced in reaction of 50ml 1.0 M HCl and 50mL 1.0 M Naoh
*June 24, 2008*

**Math**

Suppose you want to cover the backyard with decorative rock and plant some trees as the first phase of the project. You need 30 tons of rock to cover the area. If each ton cost $60 and each tree is $84, what is the maximum number of trees you can buy with a budget for rock and...
*June 21, 2008*

**English**

Question number 12 I think it is a subject
*June 14, 2008*

**Physics**

A 4.1-g bullet leaves the muzzle of a rifle with a speed of 300 m/s. What force (assumed constant) is exerted on the bullet while it is traveling down the 0.81-m-long barrel of the rifle?
*June 9, 2008*

**Math**

Simplify: 9z(sqrt8z)-3(sqrt2z^3) This is the only problem on my summer homework i can't figure out.
*June 8, 2008*

**Chemistry**

also written as 4-methyl-2-pentyne
*June 5, 2008*

**science**

what are the consequences of earthquakes? what are foreshocks and aftershocks how can you prepare for an earthquake?
*June 3, 2008*

**Science**

what is a seismograph and how does it work? what other methods do scientist use to measure earthquakes
*June 2, 2008*

**Science**

what causes earthquakes to occur?
*June 2, 2008*

**Science**

I need to find info. about earthquakes, such as what causes them..what are the consequences of earthquake..definition of earthquake...etc. Thank you
*May 30, 2008*

**Science**

I have to write a paper on what I consider to be "bad science" and proved an example of what is bad science such as something from the media, commericals, scientist's statement. I was wondering if someone could help me find an example of "bad" science ...
*May 25, 2008*

**SCIENCE**

I have to find research about Jan van Helmont's work on Spontaneous Generation and I am having trouble finding info. about it and how he conducted the experiment..also i have to figure out the strengths and weaknesses of the experiment and is it considered good science or ...
*May 24, 2008*

**Science**

I have to research about Francisco Redi's Spontaneous Generation. I am having a hard time finding info. about it and how he did the experiment. I have found a little bit but not enough. I was wondering if someone could help me find info. about it. Also I have to define the...
*May 24, 2008*

**Math**

I am not understanding Frequency Tables and Line plots. I need to complete a frequency table, but the dta given does not have any repeats. HELP!!
*May 14, 2008*

**Cost Accounting**

Estimating a cost function, high-low method? Reisen Travel offers helicopter service from suburban towns to john F. Kennedy Airport. Each of it's 10 helicopters makes between 1,000 and 2,000 round trips per year. The records indicate that a helicopter that has made 1,000 ...
*May 10, 2008*

**Math (Calculus)**

y= x^(2x+1) find the derivative of the function using natural log
*May 7, 2008*

**statistics**

Hypothesis testing on a paired sample, using the sign test. An educational psychologist suspects that having cats improves performance on statistics finals. With funding from the Socks foundation, she did a pair study, with carefully chosen pairs of students, one having a cat...
*May 5, 2008*

**Essay helpplease**

Ohh. Okay, i get it now. Thanks so much!
*April 27, 2008*

**Essay helpplease**

"In Emily Dickinson’s poetry, there are images and ideas that all humans can identify with, including love, beauty, and loneliness" , isnt that the third sentence of "Purpose of essay(can be implied)"? Urms , I'm suppose to be doing an essay on ...
*April 27, 2008*

**Essay helpplease**

Yes, the characters and the roles they fulfill are stated in my thesis. is my 'explicity stated plan' written correctly?
*April 27, 2008*

**Essay helpplease**

this is for sentence 4. the 'explicity stated plan'
*April 27, 2008*

**Essay helpplease**

That's me *May btw.. i was on my sister's computer who also uses jiskha.
*April 27, 2008*

**Essay helpplease**

My teacher gave us an outline in how to write the intro paragraph. He said to follow: The things u have to have are: 1. Linkage to real life 2. Thesis statement 3. Purpose of essay(can be implied) 4. Explicity stated plan. So, im guessing he wants the thesis somewhere after &#...
*April 27, 2008*

**AP US History**

What is the best book to buy to help me review for the AP test?
*April 25, 2008*

**Math**

so they dont cut in line
*April 22, 2008*

**FRENCH I REALLY NEED HELP PLZ!**

SraJMcGin answered it. She said : 1. What the reasons for which the children leave the house when they are older? 2. Why are there more children who are raised by parents living in a common-law marriage. (that's what "free union" means here)
*April 22, 2008*

**Science**

How much energy is released when a 5600-g sample of water cools from 99 degrees C to 28 degrees C. The specific heat capacity of water is 4.18 J/(g*degrees C) Can someone please tell me the steps to do this?
*April 22, 2008*

**Literature (short story)**

hey guys i the same exam.. did you guys pass? and how can i get the answers?
*April 18, 2008*

**Math**

19-7-5=
*April 17, 2008*

**year 7 science**

My science homework is to collect 10 food labels which i have done and write down the food energy per 100g from each food in kilogrammes but the food labels i have have only got the energy in kj. i`m cofussed because i don`t understand the question and i can`t ask my teacher ...
*April 15, 2008*

**To Kill A MockingBird ..please help.**

They are significant because they helped the readers of the time see the social injustice in segregation. They help form the way we see social classes today.
*April 14, 2008*

**Algebra 2**

Find an equation of variation where y varies directly as x and inversely as the square of w, and y=24 when x=8 and w=3.
*April 13, 2008*

**Algebra 2**

Find an equation of variation where y varies directly as x and inversely as the square of w, and y=24 when x=8 and w=3.
*April 13, 2008*

**philosophy**

Thanks.
*April 13, 2008*

**philosophy**

For some philosophers, writing is an unfortunate necessity, a means of communication that is at best irrelevant to the philosophical thought it expresses and at worst a barrier to that thought. The words in which the philosophical investigator writes up his or her results, ...
*April 13, 2008*

**philosophy**

For some philosophers, writing is an unfortunate necessity, a means of communication that is at best irrelevant to the philosophical thought it expresses and at worst a barrier to that thought. The words in which the philosophical investigator writes up his or her results, ...
*April 13, 2008*

**English**

Officials are considering placing the sturgeon on the endangered species list. If such an action is taken, ships, including those that carry goods and produce, will not be allowed to travel on the large rivers in our region that serve as breeding grounds for the fish. If ship ...
*April 13, 2008*