Sunday

October 23, 2016
Number of results: 41,539

**Strategies for understanding Math**

How can a teacher use a word problems as a means of helping students construct strategies for the basic math facts?

*March 12, 2008 by Ashley*

**Math**

The teacher asked Laura to give each student 2/5 sheets of paper. If there are 20 students in the class how much paper did Laura pass out?

*December 17, 2012 by Marcus*

**Geometry**

Geometric Proofs.... Write a justification for each step Given: AB = EF, B is the midpoint of Line AC and E is the midpoint of Line DF. 1. B is the midpoint of Line AC and E is the midpoint of Line DF. 2. Line AB is congruent to Line BC and Line DE is congruent to Line DF 3. ...

*September 20, 2011 by David*

**Math**

Geometric Proofs.... Write a justification for each step Given: AB = EF, B is the midpoint of Line AC and E is the midpoint of Line DF. 1. B is the midpoint of Line AC and E is the midpoint of Line DF. 2. Line AB is congruent to Line BC and Line DE is congruent to Line DF 3. ...

*September 20, 2011 by David*

**8th grade Algebra**

Sharon and her camping group hiked 6 miles due north, stopped for lunch, and then hiked 8 miles due west, stopping at ther campsite for the night. What is the straight line distance from their original starting place to the campsite?

*January 30, 2011 by Elizabeth*

**Ethics**

Are hackers ethically wrong? i know they are but just asking for your opinion. Why they hack There many different reasons, for many different hackers. Some do it to see if they can beat security protocalls, like a game. Some do it to get richer, to use people's information in ...

*November 19, 2006 by Gurv*

**Oral presentation**

My teacher gave us a sonnet and he said that we have to do an oral presentation that faithfully interprets the meaning of the poem. Do you have any ideas on how to make an oral presentation describing a poem. Should I explain line by line or just put the sonnet in my own words...

*April 15, 2011 by Allison*

**Health of young children**

A teacher is in a prime position to observe children because A.the teacher sees children in relation to other children of the same age. B. the teacher sees each child for fewer hours than the parent and can, therefore be objective. C.he or she is often involved in children's ...

*March 25, 2009 by Cynthia*

**math**

From a survey of 200 college students, a marketing research company found that 140 students owned iPhones, 75 owned cars, and 60 owned both cars and iPhones. (a) How many students owned either a car or an iPhone (but not both)? 1 students (b) How many students do not own ...

*August 15, 2012 by Anonymous*

**statistics**

in a class of 100,84% of student have taken politics and 16% of the students have taken history. how many students have taken both subject of all the students take at least one these students?

*June 11, 2014 by satyam*

**to Anonymous, <3, and Thanks to all Jiskha Teacher**

We do not allow students to be successful imposters of our tutors. You have been banned from posting for this reason. Perhaps in a few days, you'll be unbanned ... to see if you've learned acceptable online behavior. =(

*December 5, 2010 by Writeacher*

**statistics**

A study was conducted in which the teachers were asked to rate students for a particular trait on a ten point scale. With the help of data given below. Find out whether significant difference exist in the rating of the student by the teacher. A B C D E F G X 7 3 7 1 5 5 5 Y 5 ...

*September 9, 2015 by Anonymous*

**statistics**

A study was conducted in which the teachers were asked to rate students for a particular trait on a ten point scale. With the help of data given below. Find out whether significant difference exist in the rating of the student by the teacher. A B C D E F G X 7 3 7 1 5 5 5 Y 5 ...

*September 9, 2015 by Anonymous*

**college algebra**

A line has the equation y = 5x + 4.(a) This line has slope of ___________? (b) Any line parallel to this line has slope _________? (c) Any line perpendicular to this line has slope _______?

*October 24, 2014 by Cathy*

**Calculus**

I asked for help on a question yesterday and I got really good help and I was wondering if someone could help with this problem too. This is the question: Find an equation of the line through the point (1,3) that cuts off the least area from the first quadrant. My work on the ...

*November 12, 2006 by Kristal*

**An Overview of Teaching Techniques**

I'm having trouble with this one. What type of teaching uses formal lectures? Student-centered Teacher-redirecting Teacher-centered Outdated styles. I'm thinking Teacher-centered I'm I right.

*April 12, 2011 by Mike*

**problem solve in math**

At a teacher’s conference on the first Saturday in November in Palm Springs, CA, 100 teachers meet in a large room. Each teacher shakes the hand of every teacher in the room, except for his or her own hand. How many total handshakes were made?

*January 22, 2012 by lily*

**algebra**

On a quiz worth 5 points, four students earned a 5, seven students earned a 4, six students earned a 3, two students earned a 2, and one student earned a zero. Find the average score. (round to one decimal place)

*September 21, 2015 by Kristen*

**Math**

The score for half of the students in a class on a certain test was 90. The score for another fourth of the students was 84. if the average (arithmetic mean) score for all of the students was 82, what was the average score for the remaining students?

*August 24, 2016 by Anonymous*

**math**

1. A teacher has 10 boys and 12 girls in her grade school class. In how many ways can she select 8 of the children to be in a play if she must select 5 boys and 3 girls. 2. The manager of the various displays in the Acme Fine Clothing Emporium has a window which will hold 4 ...

*July 29, 2012 by kwame*

**maths**

60 students appear for examination. Out of which 1/15 th were failed and total percent of students who got more than 90% were 0.125% .then if 1 student randomly choose find the probability of getting that students to be passed

*December 10, 2015 by sanjay*

**Obesrvation question**

Teacher observation and subjective analysis of children are: 1.similar and done in the same way. 2.different and should be done separately. 3.Easiest to do while supervising. I vote for # 2.

*April 10, 2007 by Rachel*

**Statistics**

Suppose a researcher wants to study the effectiveness of a new reading program for students who have not acquired the necessary reading skills by the time they reach the 8th grade. A randomly selected group of 50 students from a local junior high with poor reading skills will ...

*October 11, 2009 by Trey*

**English**

1. Soy, kimchi, olive oil, lentils and yogurt are the world's five healthiest foods. (Is this statement right in meaning and diction? What is 'soy'? Is 'soy' soy sauce or soybean in the sentence?) 2. Today lunch is free in this restaurant. 3. Today lunch is for free in this ...

*December 18, 2009 by rfvv*

**geometry/algebra**

I have tried to work this several ways and can not get the answer of 5 find x if the slope of a line passing through points A(4,3) and B(x,7)equals 4

*October 11, 2008 by Rose*

**Life orientation**

In 10-15 line critically discuss 5 ways in which the human problem impact on the communty.provide relevant source to support your claims.

*April 25, 2013 by Bongani*

**physics**

Cliff and Will are carrying a uniform 2.0m board of mass 69kg. Will is supporting the board at the end while cliff is 0.6m from the other end as shown in the following figure. Cliff has attached his lunch to his end of the board, and the tension in the string supporting the ...

*February 23, 2012 by brett*

**math**

stamjps are sold in bookiets of 100,50, and 10.find as many different ways to buy 200 stamps as you can. record your work in the chart. I don't understan what to do here. help

*September 17, 2014 by ann*

**Math**

In a group of 40 students, all students study maths, 28 study biology and math, 20 students study geography and maths and x students study all three subjects. a. Draw a venn diagram to represent the information above, showing in terms of x, the number of students in each ...

*September 25, 2011 by Shian*

**Math**

The Mills Lunch Shop prepares fresh take-out entrees each day. On Tuesday, 40 baked chicken dinners were prepared at a cost of $3.20 each. A 20% spoilage rate is anticipated. Mills Lunch Shop sells the dinners at an 80% markup based on cost. They decided to offer a $1.00-off ...

*February 28, 2014 by jnet*

**math**

The Mills Lunch Shop prepares fresh take-out entrees each day. On Tuesday, 40 baked chicken dinners were prepared at a cost of $3.20 each. A 20% spoilage rate is anticipated. Mills Lunch Shop sells the dinners at an 80% markup based on cost. They decided to offer a $1.00-off ...

*March 1, 2014 by Anonymous*

**Math**

The Mills Lunch Shop prepares fresh take-out entrees each day. On Tuesday, 40 baked chicken dinners were prepared at a cost of $3.20 each. A 20% spoilage rate is anticipated. Mills Lunch Shop sells the dinners at an 80% markup based on cost. They decided to offer a $1.00-off ...

*March 5, 2014 by Mike*

**English**

Thank you very much for your last corrections. Here are some more sentences about Christmas holidays I would like you to check. 1) How long did your Chrismas holidays last? 2) How long did it take you to eat your Christmas lunch? OR How much time (How long) did you spend ...

*February 3, 2010 by Franco*

**spelling**

Hi my name is Lily. This is the first time I am oing o be in a spelling bee. Our class is practicing my teacher will choose three students I really want to be one of them can you please help me so I can have a good peperation? Thank You in advance

*January 24, 2010 by Lilly*

**Linear Equation in Two Variables**

I have to take a college placement test and am studying the practive test. He is the question . . . What is the equation of the line that contains the points with (x,y) coordinates (-3,7) and (5,-1)? I know that the answer is y=-x+4, but I cannot remember from high school what...

*August 2, 2005 by J*

**Data managment math**

7: The basket ball team has total 14 players : 3-1st year player,5-2nd year player and 6-3rd year player (a) in how many ways can the coach choose a starting line up(5 players) with at least one 1 st player. (b) in how many ways can he set up a starting lineup with two 2nd ...

*January 28, 2008 by Samir*

**P.E.**

i live in california and it gets really hot around 105 lately. Can a pe teacher make us run is this kind of heat??? The PE teacher has little control over the temperature in California, but she can control how you get fit...and the teacher is trained on how to do it safely. no...

*August 29, 2005 by Nicole*

**Physics**

170 students in a lecture hall can scream at 115 dB. Thus, we should expect that: A. an average student can do 0.68 dB by him or herself. B.340 average students can do 125 dB. C.340 average students can do 230 dB. D.1700 average students can do 125 dB. E.85 average students ...

*May 7, 2008 by Carrie*

**Physics**

170 students in a lecture hall can scream at 115 dB. Thus, we should expect that: A. an average student can do 0.68 dB by him or herself. B.340 average students can do 125 dB. C.340 average students can do 230 dB. D.1700 average students can do 125 dB. E.85 average students ...

*May 8, 2008 by Courtney*

**Algebra 2**

In how many different ways can six people be seated in a six-passenger van?

*February 28, 2012 by Megan*

**math**

Tommy has 4 shirts and 5 pants. How many different ways can he wear a shirt and pants?

*May 18, 2014 by Jarron*

**business**

describe scenarios that depicts the different ways to manage business commerce

*June 8, 2014 by tracy*

**Science**

In what ways is Bohr's model of the atom similar to and different from Thomson's model?

*November 14, 2014 by Laura*

**ALGEBRA**

From a survey of 100 college students, a marketing research company found that 70 students owned iPhones, 30 owned cars, and 15 owned both cars and iPhones. (a) How many students owned either a car or an iPhone (but not both)? students (b) How many students do not own either a...

*May 16, 2012 by Monic*

**math**

From a survey of 100 college students, a marketing research company found that 70 students owned iPhones, 45 owned cars, and 40 owned both cars and iPhones. (a) How many students owned either a car or an iPhone (but not both)? 1 students (b) How many students do not own either...

*August 21, 2012 by Anonymous*

**Math**

From a survey of 100 college students, a marketing research company found that 60 students owned iPods, 50 owned cars, and 20 owned both cars and iPods. (a) How many students owned either a car or an iPod (but not both)? 1 students (b) How many students do not own either a car...

*April 14, 2013 by Denise*

**Spanish**

What are least two different ways you can ask what you or someone is like in Spanish?

*October 9, 2015 by Kaai97*

**permutations**

there are 3 numbers in a locker combination :19, 22 and 28. In how many different ways can the numbers be arranged?

*April 28, 2016 by Munna*

**physics**

Cliff and Will are carrying a uniform 2.0m board of mass 75kg. Will is supporting the board at the end while cliff is 0.6m from the other end as shown in the following figure. Cliff has attached his lunch to his end of the board, and the tension in the string supporting the ...

*July 3, 2016 by Leslie*

**english**

How do you spell misconnentation? I tried five different ways, but the spell checker won't recognize it!

*January 12, 2009 by Leanora*

**algebra**

Six people are going to be seated in a row of 8 chairs. How many different ways may they be seated?

*December 14, 2010 by Shane*

**algebra**

six people are going to be seated in a row of 8 chairs. how many different ways may they be seated?

*December 16, 2010 by tyler*

**algebra**

Six people are going to be seated in a row of 8 chairs. How many different ways may they be seated?

*December 16, 2010 by mw*

**English**

Coins Coins were first invented in the 7th century B.C.. in Lydia. They were made from gold and silver. People made coins of different sizes and gave them different values. Coins were good in many ways. First, they could be carried easily. Second, they made exact exchanges ...

*May 14, 2014 by rfvv*

**english**

I have to write a compare contrast essay does this sound ok? One of the toughest decisions that you are going to face as a parent is to decide where to send your children to get their education. There are many reasons why public schools are academically superior to home ...

*January 22, 2012 by westwood*

**English**

Need more aims! 1.activity: after the teacher puts the flascards on the board she writes above each flshcard a number and asks students what is number 2? and so on... aims?

*April 27, 2009 by cary*

**Chemistry Conductivity**

In my homework the teacher asks for us to use conductivity variables and explain why whole milk would have a different conductivity then skim milk. He really does not give us the information or on any math to back this up so to me it seems the answer is obvious that skim milk ...

*June 8, 2009 by Juggernaut*

**Algebra**

A number of students are planning an end semester party that is projected to cost $224.00. when six students decided to join in at the last minute, this reudced the contribution by $4.80 for each participanting student. how many students were there initially?

*March 20, 2015 by Yin*

**English**

1. I'd better put less food on my lunch plate tomorrow. 2. I'd better put less food on my lunch tray tomorrow. 3. I'd better put less food on my lunch food tray tomorrow. ---------------------------- Are they all the same in meaning? Does 'tray' mean 'plate'?

*April 8, 2015 by rfvv*

**Statistics**

A history class is comprised of 5 female and 8 male students. If the instructor of the class randomly chooses 8 students from the class for an oral exam, what is the probability that 2 female students and 6 male students will be selected? Round your answer to decimal places.

*March 10, 2015 by Ryan*

**Diversity in the Classroom**

How would a teacher go about handling five different ethnic and religious groups in a multicultural classroom?

*May 24, 2009 by B.B.*

**English**

I forgot to include these last sentences. Thank you very much for the help. 1) I’m ashamed of myself when my teacher reprimands my in the class register. (writes me a reprimand?). I felt ashamed of myself when I first talked to my girlfriend because I didn’t know what to say. ...

*April 16, 2011 by Mike1*

**math**

Three hundred thirty six students of school A and four hundred thirty two students of school B were to participate in a parade. For this, they had to stand in rows in such a way that no students of school A and B would get mixed up and the number of students in each row would ...

*July 15, 2014 by angela*

**geometry**

line xy bisects and is perpendicular to line ab and dc .line Ab = 48 in. line ap = 26 inches . what is the length of line xy

*May 25, 2011 by miguel butgos *

**Art**

Can you please check these statements, Writeacher. Thank you. 1) If I hadn't been waiting for you, I wouldn't have arrived late. I was having dinner (not: I had been having dinner) when the telephone rang. 2) He told me he had lost the keys of his car (or his car keys, or both...

*May 30, 2012 by John*

**Probabilities**

1.) two marbles are drawn without replacement from a bowl containing seven red, four blue, and nine yellow marbles. what is the probability that at least one is red? 2.)a card is drawn from a standard deck of 52 cards. what is the probability that the card is neither a four or...

*November 9, 2010 by J*

**Probabilities**

1.) two marbles are drawn without replacement from a bowl containing seven red, four blue, and nine yellow marbles. what is the probability that at least one is red? 2.)a card is drawn from a standard deck of 52 cards. what is the probability that the card is neither a four or...

*November 9, 2010 by J*

**statistics: dependent event**

A psychology class is comprised of 4 female and 6 male students. If the instructor of the class randomly chooses 6 students from the class for an oral exam, what is the probability that 2 female students and 4 male students will be selected? Round your answer to 3 decimal places

*February 22, 2011 by John*

**p6maths(non-algebra)**

There were 1000 students at the parade ground and indoor sports hall. 40% of the 600 students at the parade ground were girls. 60% of the students at the indoor sports hall were girls. After some students in both venues moved from one venue to the other, 30% of the students in...

*September 10, 2011 by jiejie*

**English**

Writeacher, here are my sentences on phrasal verbs I urgently need you to check. Thank you. 1) I can’t get around to thanking you for your hospitality.I’ll get back at you for being so rude to me. 2) When will you get around to clearing your room?He is a good writer but he can...

*February 29, 2012 by Henry*

**Math**

Paulo withdraws the same amount from his bank account each week to pay for lunch. Over the past four weeks, he withdrew one hundred twenty dollars. Which rule best applies to determine the change in his account each week? 1. The product of two positive integers is a positive ...

*September 11, 2013 by Bilbo*

**Math**

each face of a cube can be painted either yellow or red. how many different ways can you paint the cube?

*April 26, 2010 by Carol*

**biology**

Discuss the concept of species What ways do modern taxonomists use to distinguish different species?

*February 22, 2012 by sharday*

**biology**

Discuss the concept of species. What ways do modern taxonomists use to distinguish different species?

*June 17, 2014 by Anonymous*

**math**

Connie has 18 and mae has 16 apple also. How many apple they have? Solve in four different ways.

*September 24, 2016 by shirly*

**math**

how many different ways can you pick 2 objects from a set of 7 objects?

*March 27, 2011 by kaykay*

**Math**

if you had 60 songs how many different ways can you load 5 songs

*May 23, 2015 by Steve*

**math**

The average score on a reading test for 58 students was 87.3. Twelve more students took the test. The average of the 12 students was 90.7. What was the average for all students?

*November 11, 2009 by TSN*

**Grade 11 health**

This is an assignment, and it's a formal letter to parents about what they need to do when preparing their kid's lunch. Can somebody check it, please? I want some changes because it doesn't sound right. School Food Safety and Nutrition Program Dear Parent or Guardian, This is ...

*May 2, 2010 by AL 87*

**math**

I have 4 spinners each divided into 4 equal sections (labeled 1,2,3,4,) what is the probability of not all same? i have tried multiple ways of doing this and get different results and i don't know what is correct. I have tried 1/4*1/3*1/2*1 and got 1/24 but i know this is ...

*November 1, 2015 by Charlotte*

**Math**

I had to create a word problem. My final result was 8 < 8.56 but I am not sure how to graph it. I know you can't show graphs on this site but can you give pointers? 8 < 8.56 is an obvious statement of fact. I don't see how it can be the result of a word problem. On a ...

*July 30, 2007 by Misty*

**math**

Debbie goes to a diner famous for its express lunch menu. The menu has 5 appetizers, 3 soups, 7 entrees, 6 vegetables, and 4 desserts. How many different meals consisting of either an appetizr or a soup, one entree, one vegetable, and one dessert can Debbie order? i think that...

*May 27, 2008 by derek*

**math**

Debbie goes to a diner famous for its express lunch menu. The menu has five appetizers, three soups, seven entrees, six vegetables and four desserts. How many different meals consisting of either an appetizer or a soup,one entree, one vegetable, and one desert can Debbie order?

*April 15, 2009 by Anonymous*

**Chemistry**

How much heat (in Joules) is needed to raise the temperature from -79oC to 57oC for 31.5g of water? I remember my teacher using different temperatures for each equation, can someone show me what that is? thanks.

*March 4, 2013 by Denny*

**Psychology **

HI i don't know the synopsis of the ted talk " stroke of insight" i thought the bigger picture would be that the right and left part of the brain are different but .y teacher said that is not the case

*September 29, 2016 by Sam*

**4 grade math**

the estimate the number of cans of soda thet drink each week? number of student just pretend this is a bar graph. 0,1,2,3,4,5,6,7. number of student.number of can of soda 2 students of zero and 3 can of soda for 3 students,2 soda of 4 students, 3 can soda 1 student and 5 can ...

*November 12, 2009 by pat*

**PRE*******ALGEBRA**

WRITE A FUNCTION RULE TO DESCRIBE EACH SITUATION. PLEASE HELP I DO NOT UNDERSTAND THIS AT ALL. The number of pounds p(z)as a function of the number of ounces z. The selling price s(c)after a 45% markup of an item as a function of the stores' cost c. The total number of miles m...

*April 30, 2009 by Tanisha*

**all**

I am compiling a list of homework help lines for parents resources. Does this help line assist high school students?

*October 21, 2009 by mom*

**Spanish**

When you conjugate the word ir--to go in spanish, the vosotros conjugated word would be vais. But is the a accented in vais or not?My teacher has written it on the board both ways. I just need a clarification. Thanks!

*April 21, 2008 by Tiana*

**classroom management(last one)**

would you allow students to self-select into teams when assigning collaborative learning activities? why or why not? I say no because the students need to learn how to work with other students. Every student learns differently. What would your criteria be if you were ...

*May 14, 2010 by scooby*

**life orientation**

in 10-15 line critically discuse 5 ways in which the human or environmental problem impact on the community.provide relevant sources to support claims

*June 3, 2011 by raymond*

**Health**

In 10-15 line critically discuss 5 ways in which the human or environmental factor problem impacts on the community. Provide relevant source to support your claims.

*April 8, 2013 by Hulisani*

**math**

Ms.Hernandez has 17 tomato plants that she wants to plant in rows.She will put 2 plants in some rows and 1 plant in the others.How may different ways can she plant the tomato plants? make a table to solve.Ms.Hernandez can plant the tomato plants.....ways.

*November 26, 2013 by leisa*

**PreCalc**

Solve each inequality: (1/(2b+1)) + (1/(b+1)) > (8/15) (2/(x+1)) < 1 - (1/(x-1)) My teacher told me the answer is in interval notation, and that a number line is used to solve.

*January 10, 2015 by John*

**Chemistry**

List 4 different ways in which the function of hemoglobin could be changed by a single amino acid substitution. i have no sweet clue... the question is very vague

*January 31, 2008 by Jonny*

**college busines math**

The Mills Lunch Shop prepares fresh take-out entrees each day. On Tuesday, 40 baked chicken dinners were prepared at a cost of $3.20 each. A 20% spoilage rate is anticipated. Mills Lunch Shop sells the dinners at an 80% markup based on cost. They decided to offer a $1.00-off ...

*March 1, 2014 by jessica*

**math**

at a local community college, it costs 150 to enroll in a morning section of an algebra course. Supopose that the varible n stands for the number of students who enroll. then 150n stands for the total amount of money collected for this course. how much is collected if 41 ...

*January 26, 2012 by allie*

**AED**

What are some appropriate and effective ways to use technology in the mathematics classroom? How can you ensure that students do not depend too heavily on technology to complete mathematics assignments?

*November 17, 2008 by troyer0269*

**AED**

What are some appropriate and effective ways to use technology in the mathematics classroom? How can you ensure that students do not depend too heavily on technology to complete mathematics assignments?

*November 19, 2008 by troyer0269*

**Math (pre-celc 12)**

In how many ways can a school president, a vice-president, and secretary be chosen from 21 students? I'm not sure to find this answer since there is no order in which they are chosen.

*June 20, 2016 by Jana*