Two people wearing skates facing each other. The 1st person is 75kg and pushes the second person 60 kg away at a speed of 2.0 m/s. What is the speed of the 1st person?
Saturday, March 23, 2013 by Gina
A teacher announces that exams count 20% of the 1st quarter's average. If a student has a 75 average, what must he get on his exam in order to bring his grade to at least to an 82?
Thursday, February 7, 2013 by Catilyn
A population of animals oscillates annually from a low of 1300 on January 1st to a high of 2200 on July 1st, and back to a low of 1300 on the following January. Assume that the population is well-approximated by a sine or a cosine function. a. Find a formula for the population...
Monday, December 3, 2012 by Alex
A 3rd baseman is throwing a ball to 1st base which is 39.0m away. It leaves his hand at 38.0m/s at a height of 1.50m from the ground and makes an angle of 20 Degrees. How high will it be when it gets to 1st base.
Tuesday, October 30, 2012 by Gee
Write a program that asks the user to input a grade that he or she received on an exam. The grade is an integer from 0 to 100 inclusive. The program should convert the numeric grade into the equivalent letter grade. Do the conversion by using a function Letter_Grade () that ...
Friday, May 18, 2012 by jermaine
abigail works at a skateboard shop. she earns $8 per hour and $1 commission for each sale she makes. from june 1st to june 5th, she saves all her money and doesn't spend anything. each day,from june 1st to june 5th, abigail worked 3 hours .on june 1st,abigail made 2 sales...
Wednesday, March 14, 2012 by yes
I am helping my little sister. SHe is in the first grade and learning about Abraham Lincoln. Her questions are- 1. What year was Abe president. What year did he die. 2. How old was he when he died? 3. When did he marry ____. Who did he marry. 4. Who made the first flag? 5. ...
Friday, March 9, 2012 by i.am..running.from.myself
I am a little confused about kinetic and potential energy regarding roller coasters. I understand that the first hill has to be the highest to gain the potential energy (PE). I hope someone can help with this example I just made up to help me understand: 1st Hill: 50 m from ...
Wednesday, March 9, 2011 by Paul
The 10th grade raffle sold 127 tickets. If they award 1st and 2nd prize, how many different pairs of winners are possible? a) 16,129 b) 254 c) 16,002 d) 8,001 the answer i picked was c
Friday, July 2, 2010 by sean
The "Critical Period" took place during the years when... w. the United States was governed by its 1st president x. George Washington served as the 1st president y. None of these answers are correct
Sunday, March 22, 2009 by Jennie
9th grade american government
What is required to become secretary of state? How it affects our govt? Job description? Salary? When 1st established? Where located? Why is it important?
Tuesday, December 16, 2008 by nay
math 7th grade
what is the change in temp when the thermometer reading moves from the 1st temp to the 2nd temp. 20degree F to -10 degress F.Please explain to me how you get the answer for future problems.
Monday, September 22, 2008 by keke
grade 5 math
the grade 5 class decided to collect cans of food to donate to the food bank .After the 1st week ,they had collected 8 cans . The next week they collected 11 more . By the 3 rd week they had 31 cans Following this pattern how long will it take for them to reach there goal of ...
Sunday, May 4, 2008 by Jeff
1st grade homework question
can the earths minerals be all used up or do they regrow?? That question has been answered just a few posts below. If you can't find it, please repost.
Monday, December 11, 2006 by ALEXIS
Two mirrors are inclined at each other such that a ray of light incident on the 1st mirror and parallel to the 2nd mirror is reflected from the 2nd parallel to the 1st mirror.Determine the angle between the mirrors and the deviation suffered by the incident ray.
Monday, June 27, 2016 by maina
1st grade math
Hi, my son Jackson needs a lot of help on addition facts. Is there some kind of way we can get my son to work on his addition facts? He's 6 years old. Any worksheets or practice problems you can loan me? Thanks! -Quianna B.
Friday, March 18, 2016 by Quianna B
An A is considered 4.0, a B is 3.0, a C is 2.0, a D is 1.0, and an F is 0. In your first semester you received the following grades. Calculate your grade point average English = credits 3.0 Grade = C Biology = credits...
Tuesday, September 22, 2015 by Kristen
. Lopez has $9118 in her bank account on March 1st. She saves $609 in March. Then she must pay $1011 in taxes in April. Mrs. Lopez is able to save $705 in May. At the end of May, approximately how much greater or less is her account balance than it was on March 1st?
Thursday, September 17, 2015 by Juan
I have a question I would really appreciate the answer. If 15% of my grade is 74% and 96 is 15% of my grade and 40% of my grade is a 60.5% without the final counting for 30% what is my grade? Please help thank you.
Friday, June 26, 2015 by kim
1st grade math
Draw a quick picture for 26+8. Show how to make a ten to model the number of apples a different way. Write a new number sentence I did 26 + 8 apples .. I drew 8 apples = 34 then I put 7+ 3 = 10 ?
Wednesday, May 27, 2015 by Sarah
Find the 10th term of a nonconstant arithmetic sequence whose 1st term is 3 with the 1st, 4th, and 13th term forming a geometric sequence. I've tried doing it differently everytime, but I always come to a dead end..
Saturday, March 14, 2015 by Anon
the 3rd term of a geometric progression is nine times the 1st term.if the 2nd term is one-twenty fourth the 5th term.find the 4th term.(my solution so far).ar^2=9a r=sqr of 9 r=3.help me find the 1st term
Friday, November 28, 2014 by james
Riding on a school bus are 20 students in 9th grade, 10 in 10th grade, 9 in 11th grade, and 7 in 12th grade. Approximately what percentage of the students on the bus are in 9th grade?
Monday, October 6, 2014 by jenna
1st digit is square root of 2nd digit 2nd digit is square of 1st sum of 3rd & 6th is 14 sum of 3rd 4th 5th & 6th is square of 4th sum of all digit is 37 multiplication of 1st & 5th is sum of 4th 5th & 6th sum of 2nd 3rd & 4th is multiplication of 1st & last.now
Wednesday, July 23, 2014 by Dhanashree
there are 400 students at smith Elementary school 1/4 of the students are in fourth and fifth grade, 1/10 of the students are in grade 3, 2/8 are in second grade and 2/5 are in first grade . How many kids are in each grade? (4th and 5th have an equal amount)
Monday, March 24, 2014 by MANISH
Need help on the question below. I have read all about all 3 laws but still don't understand if this would be 1st or 2nd law. "A ball is rolling in a straight line on a hardwood floor. A cat hits it from the right, so the ball rolls left. Which Law of Motion is this? ...
Friday, March 14, 2014 by Brandi
Math plz help
In the town of Mayfield, the precipitation totals are set to zero at the beginning of each year. Because of a drought early in the year, the totals on March 31st were below normal at -27 inches. The next three months were very rainy, and by July 1st the precipitation totals ...
Sunday, December 15, 2013 by Eden S.
(a) Find P(121 ¡Ü X ¡Ü 139), the probability that a randomly chosen girl at the start of 1st grade is between 121 and 139 centimeters tall. (Round your answer to three decimal places.) P(121 ¡Ü X ¡Ü 139) = 1
Saturday, November 30, 2013 by Anonymous
On December 1, 2004 a $1,000.00 bond, paying 6% interest on January 1st and July 1st of each year is purchased for $950.00. The bond is sold on December 5, 2005 for $980.00. What would be the total monetary return including both interest and capital gains from holding this ...
Sunday, November 10, 2013 by Anthony
(x + 6y − 5z) − (x − 2y + 4z) Classify the answer by number of terms and degree. 1st-degree monomial 1st-degree binomial 1st-degree trinomial 2nd-degree binomial 2nd-degree trinomial
Saturday, October 19, 2013 by lisa
6 runners run in a 500 yard dash. Prizes are awarded for 1st, 2nd, and 3rd place. Assume there are no ties, how many different orders can the runners finish 1st, 2nd, and 3rd?
Monday, August 19, 2013 by peter
1. If the sound system hadn't failed,last night's show would have been better a. this is a correct sentence using the 1st conditional form b. this is correct sentence using the 2nd conditional form C. this is a correct sentence using the 3rd conditional form answer A 2...
Wednesday, June 12, 2013 by Jim Collum
The grades on the final examination given in a large organic chemistry class are normally distributed with a mean of 72 and a standard deviation of 8. The instructor of this class wants to assign an A grade to the top 10% of the scores, a B grade to the...
Sunday, March 24, 2013 by Sarah
the 1st term of arithmetic series is 2 .the 1st ,3rd and 11th terms are the first the terms of a geometric series. find the 6 terms of the arithemetic series
Thursday, March 14, 2013 by cebile
a small business loan in the amount of 50,000 need to interest rate of 9% that compounds monthly for 7 years. What is the payment for 7 years, need formula for this. And what is the balance of the loan at the end of the 1st year? Show the formula used for each variable and the...
Monday, November 12, 2012 by Becky
I'm taking Sociology 1st semester and Psychology 2nd semester when I go to the 9th grade. I'm just curious but is there any topics (interesting ones) in Sociology and Psychology.
Friday, September 28, 2012 by Laruen
grade 11 math
at giant tv sales, you can chose between 2 payments options for a new tv. 1st option is 2 pay $2399.99. 2nd option is to pay a $399.99 downpayment plus $2200.00 after one year. if interset is 4.2% per year, compunded quarterly, wich option is a better deal
Tuesday, May 15, 2012 by neha
bayside insurance offers 2 plans: plan A: pay the 1st $60 + 0.30 of the rest of the bills; plan b = pay 1st $140 + 0.25 of the rest of thebills. For what amount of medical bills will plan B save money? Assume there are over $140 in bills
Wednesday, April 11, 2012 by Michelle
Data given are related to the Born-Haber cycle for HCl Calculate the amount of energy lost when the ionic species return to their molecular form. Atomization of ½H2(g)=217.6KJ/mol 1st Ionisation of ½H2(g)=1312KJ/mol Atomization of ½Cl2(g)=121 KJ/mol 1st ...
Wednesday, March 28, 2012 by Francesca
intro law enforcement
date 9-22-08 fire in a lawyers office main st, ridgefield ct art work was smashed chairs, papers, and curtains started a fire ( match started it) building is empty over night .5 miles from downtown district 1st fire in a chain from arsonist left a law book on the porch what ...
Monday, January 30, 2012 by mike
Hardwork I done already! :)
7th Grade 7th grade Grades (1st quarter to 4th quarter): English 7 - 99 Math 7 - 91 Social Studies 7R - 91 Science 7R 80 Fine Art 7 (advance art) 100 Strings 7 100 Gym 7 and 8 A GPA: 1st Quarter 93.50 2nd Quarter 3rd Quarter 4th...
Friday, December 30, 2011 by Laruen
My Award Binder
I have a award binder to keep all of my award from 1st grade to now and I need ideas to organize it and make it pretty. I don't have any award from 7th grade but my pricipal said that I will have a lot of awards (as I was walking to go to the library during my lunch period...
Saturday, November 19, 2011 by Laruen
My Awards (to share with teachers)
1st Grade participation in summer reading and math program ------ 3rd Grade 2nd place in primary spelling bee Certificate of Achievement: Math, Music, Good Citizenship, Student of the month - June (4 awards) ---- 4th Grade Parp Ribbin Headliners Science Fair (scientific ...
Saturday, November 19, 2011 by Laruen
There are 3 spider webs. The 1st web is twice as large as the second web. The 3rd web is 3 inches larger than the 1st web. The combined width of the 3 webs is 1 foot 6 in. How long is each web?
Thursday, October 20, 2011 by Dena
I have a foster child (my niece) who has been through a lot in the past year. She is having huge difficulty in school. She is in 1st grade. My 21 year old daughter is home with her trying her best to help her but it is getting overwhelming to get her to look at words to learn ...
Friday, October 7, 2011 by Joanne
My 1st grade son needs to write a paragraph but is having a very hard time grasping the concept. How can I help him with this? He doesn't under stand that the paragraph has to blend/flow and be about the same topic all the way through. What shoudl I do?
Tuesday, March 15, 2011 by Jennifer
3rd grade Math
In Harry's attic there are 3 spider webs. The first web is twice as large as the second. The 3rd web is 3 inches larger than the 1st web. The combined width of the 3 webs is 1 foot and 6 inches. How long is each web? Please provide explanation along with answer. Thank you ...
Thursday, January 6, 2011 by Dominique
12th Grade Calculus
Find d^2y/dx^2 by implicit differentiation. x^(1/3) + y^(1/3) = 4 I know that first you must find the 1st derivative & for y prime I got 1/3x^(-2/3) + 1/3y^(-2/3) dy/dx = 0 Then for dy/dx I got dy/dx = [-1/3x^(-2/3)] / [1/3y^(-2/3)] I think that from here I would use the ...
Tuesday, December 14, 2010 by Liz
From this information- a + c_2_ ---> ac + c Slow ac + a ---> a_2_c Fast 2a + c_2_ ---> a_2_c + c Overall -you know that it is 1st order in a, 1st in c2, and 2nd overall. how? what about a reaction being fast or slow tells you if it's in first or second order?
Sunday, December 12, 2010 by Audrey
A map shows the distance between a corner of Cactus Road and 1st street and the corner of 1st street snd Merle oad as 3 inches. If the scale is 1 in: 3.7 mi what is the actual distance????
Sunday, November 14, 2010 by Edith
PHYSICS-LAW OF THERMODYNAMICS
A dinner plate drops and breaks. This best illustrates the ______ law of THERMODYNAMICS A. 1st b. 2nd c. 3rd d. 4th I am inclined to say the 1st because energy can be neither created nor destroyed, it can only change forms. Thus the plate falling lost it's energy as a ...
Saturday, November 13, 2010 by Jael
Beatrice throws the 1st calculator straight up from the edge of the roof of a building. She drops a 2nd calculator off the side of the building 2 seconds after she has thrown the first one. If the height of the building is 40m, what must the initial upwards velocity of the 1st...
Friday, November 12, 2010 by Heidi
in the ques they got a square divided in 2 each block has the number 4 in it and there r 4 block thats the 1st ques. the other 1 says 2 in the 1st and 2nd block and in the 3rd n 4th block it say 1 now hw to draw it on the grid
Saturday, July 24, 2010 by neill
Hello! On Wednesday I am teaching English as a foreign language - 1st grade of high school) The topic: animal proverbs (I need to teach them these 18 animal proverbs) There are 8 learners in the class. I have 18 pictures of these proverbs and of course written explanations. ...
Friday, April 16, 2010 by refy
Two cards are drawn in succession from a standard deck of 52 cards without replacing the first one before the second. a) Are these outcomes are independent? Why? b) Find P ( 3 on 1st card and 10 on the 2nd card) c) Find P( 10 on the 1st card and 3 on 2nd card) d) Find the ...
Tuesday, March 9, 2010 by Katlyn
Math - average grade
Does anyone know how to calculate average point grade? I have the following data: grade D - 2 students - 4,9 percent grade C - 6 students - 14,7 percent grade B - 12 students - 29,2 percent grade A - 21 students - 51,2 percent What is the average grade? This is NOT my homework...
Wednesday, February 17, 2010 by refy
Based on meteorological records, the probability it will snow in a certain town on January 1st is 0.480. Find the probability that in a given year it will not snow on January 1st in that town? Is the answer 0.520 ?
Sunday, January 17, 2010 by Christy
The students of litchfield High school are in grades 9,10,11,12. Of the students , 1/4th are in 9th grade, 1/3rd are in 10th grade, 1/6th is in 11th grade and there are 300 in the 12th grade, how many students are there all together?
Friday, November 6, 2009 by stefanie coplin
If tbone steak cost 12.00 a lb and 1st util is 48, 2nd is 42, and 3rd util is 36 and we also buy ground round at 4.00 a lb and we derive 24 utils for the 1st lb, 16 for the second and 12 for the third and all we have to spend is 40.00 then how many lbs. of t-bone and ground ...
Monday, October 19, 2009 by christina
I have a Q that im trying to solve: it says: the 1st , 2nd, and 3rd term of a geo. sequence is the same as the 1st, 7th and 9th terms of an arith. sequence.: I have to find the common ratio. So i know: a+8d = a(r^2) (1) a+6d = ar (2) but i don't know how to solve this ...
Monday, October 19, 2009 by Gemini
. (8 pts) In each case, consider what you know about the distribution and then explain why you would expect it to be or not to be normally distributed. a. The lifetimes of a set of batteries manufactured by a company in your town. b. The list of guesses of the number of ...
Tuesday, September 29, 2009 by Anonymous
In each case, consider what you know about the distribution and then explain why you would expect it to be or not to be normally distributed. a. The lifetimes of a set of batteries manufactured by a company in your town. b. The list of guesses of the number of marbles in a ...
Tuesday, September 29, 2009 by Clair
Each diagram in the sequence is obtained by drawing of a 1 unit square on each side that forms the perimeter of the previous diagram, the 1st digram contains (1) square, the 2nd diagram (4) squares and the 3rd diagram (13) squares, I would like to know how to find how many ...
Wednesday, June 17, 2009 by Brittany
1st grade social studies
the revolutionary war,my son has a project due on 2/23/09 about the revolutionary war.what are white oak tags,how do i go about doing this project.
Monday, February 16, 2009 by jenny
Choose a grade level and a scientific concept appropriate for that level. Plan a science experiment to explore this concept. In your paper, address the following points: o List the equipment and materials to be included in the science kit. o Explain what safety ...
Saturday, November 22, 2008 by troyer0269
3rd grade 1st year spanish
I am so confused. This is my first year of spanish and I only have it 1 day a week. Our books are really small without any translated information. I need 2 words that start with the following letters in spanish with the english translation. Thanks for your help. 2 words Y- K- ...
Sunday, November 16, 2008 by Claire
1st plane flew at 600km/h 15 minutes later..... 2nd plane flew at 700km/h how long did it take the 2nd plane to overtake the 1st plane? for my answre, I got 1.75h Is this correct? The book said it was 1.5 Thanks
Tuesday, September 30, 2008 by Larry
I am stumped with a problem we are supposed to help our 4th grader with ... Study the number of pairs: 3 - 8 ; 4 - 11; 5 - 14; 6 - 17; and the it has blanks down to 10 - 29; ... ok we get this part ... adding 2 more each set ... now the questions ... If 50 is the 1st number, ...
Friday, September 19, 2008 by Frustrated mom! 4th grd MATH
35 yrs ago babies are born here hospital celebrated the births of the last baby of feb 20th and the 1st baby of feb 21st w/gifts. 5 mothers including mrs keating were in labor as of midnight find the full name of each newborn 1 of the 1st name is crystal can you figure the ...
Thursday, February 21, 2008 by latisha
School Holcaust Unit
Okay, i know that this is a sad subject, but i'm getting confused. Was the Nurember Law written on August 20th, or September 1st 1935? Or did the meeting start on August 20th 1935 and ended September 1st 1935?? Any help would be nice...thanks.
Tuesday, January 29, 2008 by Dawn
Can someone check my answer please
Can someone check this for me? Suppose that the number of cars, C, on 1st Avenue in a city over a period of time t, in months, is graphed on a rectangular coordinate system where time is on the horizontal axis. Suppose that the number of cars driven on 1st Avenue can be ...
Saturday, December 15, 2007 by Cupcake