Wednesday

August 24, 2016
**9th grade -physical science**

a the top of a hill a rollercoaster has 67,500j of kinetic energy and 290,000j of potential energy. gradually the roller coaster comes to a stop due to friction. if the roller coaster has 30,000j of potential energy when it stops, how much heat energy is generated by friction ...
*Monday, May 3, 2010 by robbie*

**9th grade**

at the top of a hill a rollercoaster has 67,500j of kinectic energy and 290,000j of potential energy. gradually the rollercoaster comes to a stop due to friction. If the rollercoaster has 30,000j of potential energy when it stops, how much heat energy is generated by friction ...
*Monday, May 3, 2010 by robbie*

**find my grade average**

-10% of my grade *82 -20% of my grade *100% *100% *100% *100% *100% *100% *100% *100% *82% -30% of my grade none -40% of my grade *76% reply as soon as possible. thank you!!!!
*Sunday, April 18, 2010 by magy*

**slis**

hi, im in the 9th grade and i need help I need help with my math. the following questions are? we are learning parallel lines and perpendicular lines. think you can help me? e) parallel to y=0 and passes through (1,2) f) perpendicular to x=-1 and passes through (3,5) g) slope ...
*Friday, April 2, 2010 by shanen desir *

**Math 157-1**

Use the data in the grade-distribution Use the data in the grade-distribution table below to construct a circle graph showing the distribution of grade types in Ike’s class. Grade Frequency A 2 B 8 C 11 D 2 F 1 How would the graph change if there were twice as many of ...
*Friday, March 19, 2010 by Tyga*

**9th grade**

the debate club needs $240.00 to attend a debate tournament. the club decides to sell iced tea and lemonade at baseball games. iced tea will be sold for $.50 per cup and lemonade will be sold for $.80 per cup. write the equation to find how many cups of each beverag must be ...
*Wednesday, March 10, 2010 by silvia*

**9th **

Solve for: -20 <= 3x - 7 <= -2 The solution is xl __<= x <=__
*Wednesday, March 10, 2010 by Kimmie*

**9th grade**

Trains A and B are traveling in the same direction on parallel tracks. Train A is traveling at 100 mile per hour and train B is traveling at 125 mile per hour. Train A passes a station at 3:15pm. If train B passes the same station at 3:27 pm at what time will train B catch up ...
*Wednesday, March 10, 2010 by Kimmie*

**classroom instruction**

Search the Internet to locate and review your state’s educational standards for a grade level and subject that interests you, such as second-grade language arts or fifth-grade science. i need help finding information on the state of wisconsin and 1st grade P.E.
*Thursday, February 18, 2010 by scooby*

**Biology**

What would happen to a protein in this example if the 9th base in the original DNA strand was changed to thymine ?
*Thursday, February 18, 2010 by Jannel*

**9th grade**

A reporter covering a naturalization ceremony wants to randomly select new citizens to interview. Out of the 200 new American citizens, 7 of them are from Ecuador, and 10 of them are from Kenya. What is the probability that the reporter will randomly select a person from ...
*Wednesday, January 13, 2010 by Basima*

**1st grade Math Fair**

My school is planning a Math Fair. Each grade will compete with same grade team members. The rules are: TO make it fun and use Al. math strands . The problem is I dont know where or how to begin this project. Can anyone help?
*Friday, January 1, 2010 by Joyce*

**9th grade**

each question is 10 points each, and i dont get 4 questions. I am in Earth Science and in 9th grade i would appreciate it if some one would help me. THANKS ! Where have earthquakes occurred most frequently during the last one hundred years? 1) in the polar regions 2) in the ...
*Monday, November 23, 2009 by Alicia*

**9th grade**

Mr. Mist’s ramp broke so he tried to lift the his 150 Newton box of ungraded papers with a pulley system. Mr. Mist had to pull the rope in his system 3 meters. The papers were lifted into his car by the pulley system which lifted the box 1.5 meters, while Mr. Mist only ...
*Saturday, November 14, 2009 by Kevin*

**9th Chemistry**

Why is there a big space in the periodic table between the 2nd & 3rd periods? The activity of the electrons is related somehow.
*Sunday, November 8, 2009 by Marie*

**9th grade Math**

Tittle: Police Officer Salary: $3,142/month Average work hours per week:40 School Loan:$15,000 Responsible for patrolling an assigned area to prevent and discover crime and to enforce regulations.Duties may include:conducting investigations,making arrests,and testifying in ...
*Thursday, November 5, 2009 by Ashley *

**Math**

Use the data in the grade-distribution table below to construct a circle graph showing the distribution of grade types in Ike’s class. Grade..Frequency A......2 B......8 C......11 D......2 F......1 How would the graph in Exercise 7 change if there were twice as many of ...
*Sunday, November 1, 2009 by Anonymous*

**Math**

Use the data in the grade-distribution table below to construct a circle graph showing the distribution of grade types in Ike’s class. Grade..Frequency A......2 B......8 C......11 D......2 F......1 How would the graph in Exercise 7 change if there were twice as many of ...
*Tuesday, October 27, 2009 by Anonymous*

**Algebra 1A**

From a base elevation of 8200 ft. a mountain peak in colorado rises to a summit elevation of 14588 ft. over a horizonal distance of 15842 ft. find the grade of the peak. The grade of the peak. The grade of the peak is %. Round to the nearest tenth as needed. Someone help ...
*Thursday, October 8, 2009 by Don*

**9th grade**

1. when non-human things are given simple human characteristics, this is an example of what? 2. however, when non-human things are given the ability to think, talk, and act consciously like humans, that is an example of what? 3. in what point-of-view is the narrator outside ...
*Sunday, May 31, 2009 by samantha*

**visual basic**

Cant get my message dialog box to display anbody see waht wrong with it? The message box is located in my if then else statement Dim total As Integer = 0 Dim gradeCounter As Integer = 0 Dim grade As Integer = 0 Dim average As Double = 0 ' sum grades in ListBox Do ' ...
*Thursday, May 7, 2009 by cl*

**Romeo and Juliet (proofread essay )**

This question goes with the essay: Describe the reactions of Juliet's father and mother when Pais proposes marriage to their daughter. How are their opinions the same and how are they different? Essay: Lord Capulet, and Lady Capulet had the same reactions to Paris's ...
*Thursday, April 23, 2009 by Hugs n kisses*

**9th grade**

A glass jar holds a single germ. After one minute, the germ splits into two germs. One minute after that, the two germs each split again, forming a total of four germs, continuing at this rate, a single germ can multiply to fill the whole jar in exactly one hour. Know this, ...
*Wednesday, April 1, 2009 by Marie*

**9th Pre Algebra**

I need help with exponents -n6 for n=2
*Monday, March 23, 2009 by Erin*

**9th grade**

A flagpole casts a shadow 27 feet long. A person standing nearby nearly casts a shadow 8 feet long. If the person is 6 feet tall, how tall is the flagpole
*Sunday, March 1, 2009 by ANdRAYiA*

**Social Studies/Missouri Facts**

Could you also check these thanks. Could I get a letter grade I'm in 9th grade 1. Who is the Governor of the State of Missouri? Answer: Jay Nixon 2. Name the two major cities in Missouri. Answer: St. Louis and Kansas City 3. Where is the capital of Missouri? Answer: ...
*Thursday, February 19, 2009 by Tammie*

**Math**

you have 9 terms, the first is 0 and the 9th is 12 one of the outputs is 27 what is the equation for the pattern?
*Sunday, February 8, 2009 by Ted*

**9th chemistry**

I don't understand the formula for sodium hydrogen phosphate. Can you please tell me it and explain it?
*Friday, January 2, 2009 by alexa*

**URGENT!!!!9th grade tech**

i have my ISUs due tomorrow and if i dont get them in tomorrow they take off 50% the thing is idk wat 2 do 4 something its confusing me basically im supposed to find three different types of airplanes (being monoplanes, different models with the weird alphanumeric names?) and ...
*Thursday, December 18, 2008 by Anonymous*

**9th grade science**

if the turns of the output gear over the turns of the input gear is equal to the number of teeth on the input gear over the number of teeth on the output gear, the input gear has 36 teeth and the output has 10, the output gear has turned twice as much as the input gear, how ...
*Friday, December 5, 2008 by Mr. Me*

**9th**

2(3a+2)=-8
*Wednesday, November 5, 2008 by visiree herrera*

**science 9th**

a toaster uses chemical energy to make toast ( true or false )
*Wednesday, October 29, 2008 by lacrosse*

**3rd grade**

There are 33 students in the band. There are 6 more fifth-grade students than third-grade students. There are an equal number of third- and fourth-grade students. How many third-grade students are in the band?
*Wednesday, October 8, 2008 by Kristina*

**english**

I need you to grade my paper for me . I dont have a car and I don't know the area well enough to ask anyone to grade it for me I just want you to grade it for me. and leave the red marks on it for me so I can correct it my self and send it back to me through email. If it&#...
*Friday, October 3, 2008 by Bernadette*

**history**

explain 9th amendment
*Sunday, September 28, 2008 by karen*

**9th grade Social**

What modern tools do these early tools resemble? 1.> Small sharp tipped tool which is made of bone. 2.> Roughly the size of arrowhead, the 1.5 inch tip of this hand held tool is made of flint, a very hard rock. the wooden handle is about three inches long. 3.> X-rays ...
*Sunday, September 7, 2008 by Alisha*

**la 9th**

what are the emotions for the word precipice
*Thursday, September 4, 2008 by spencer*

**9th lit**

kith will only buy his groceries at bandbMarkets'the freshest store in town.
*Monday, June 23, 2008 by allen*

**Reading**

For summer reading i have to chose a fiction book, at 9th grade level or above and a global historial book (not usa) from paleolithic to 1550 AD. For global i have a list: Dance of the Tiger: a novel of the ice age Child of Morning Escape from Egypt The Murder of Tutankhamen: ...
*Friday, June 13, 2008 by Anonymous*

**English Expression**

What grade/year are you in? I'm in the first grade in middle school. I'm a first grader in middle school. I'm in the 7th grade. I'm a 7th grader. ----------------------- Are the answers all acceptable? Which one is commonly used? Can we use both 'grade'...
*Friday, April 18, 2008 by John*

**working with data**

josephs final averages in science class are shown in the table below. homework % toward final grade-20% average-93 quizzes % toward final grade-20% average-92 tests % toward final grade-40% average-85 final exam % toward final grade-20% average-? what is the minimum score ...
*Sunday, February 24, 2008 by mike*

**Algebra II**

The problem states: Saturn is approximately 1.4x 10 to the 9th power kilometers from the Sun. If light travels at approx. 3.0 x 10 to the 5th power kilometers per second, how long does it take light from the Sun to reach Saturn? Express your answer in scientific notation. The ...
*Sunday, February 3, 2008 by Lucy*

**english**

when writing the word GRADE ONE in a sentence...would it be Grade One (where there both capital) Grade one (where only grade is capital) or grade one (where none are capital)
*Sunday, January 13, 2008 by spelling-grammer*

**English**

Any one got any book recommendations for a 8th to 9th grader?
*Sunday, October 28, 2007 by Anonymous*

**physics-energy conservation**

some people refer to heat as "low grade energy. a)how is low grade energy different from high grade energy? b)give two example of high grade energy When heating a cup of tea, which would be preferable...a stove with a burner on top, or a heating pad? High grade energy is ...
*Tuesday, May 8, 2007 by Emma*

**math / linear programming**

Two factories manufacture 3 different grades of paper. The company that owns the factories has contracts to supply at least 16 tons of low grade, 5 tons of medium grade, and at least 20 tons of high grade paper. It costs $1000 per day to operate the first factory and $2000 per...
*Tuesday, January 2, 2007 by Tim*

**algebra**

How do I do substitution equations out of the equations in the system, pick the one that has the least amount of funky numbers. then make that equation equal to either x or y(or any other variable dependin on what kind of systems youre doing, usually just x and y in algebra 1...
*Thursday, November 30, 2006 by Adraen*

**english**

I woul like to review my essay please? Post it. Can you please help me write that essay" A way to decrease your chance of becoming a victim of random ciolence". Hmmm. You have an assignment to write an essay, a teacher offers to review your essay, and you respond ...
*Thursday, November 30, 2006 by louise*

**RE**

I am going to take the Regents Algebra 1(Common Core)and I'd like to know whether a certain procedure of mine could lower my grade. When solving linear equations I do this: x+2=20 I just pass the 2 negative to the other side without subtracting it from the left . Can this ...
*Friday, July 22, 2016 by Liah*

**math **

Are trigonometric functions taught in 11th grade, if so ,is it wrong that i wasn't tought that topic in 11th grade????plz help!!!!
*Tuesday, July 12, 2016 by Lauren*

**arithmetic sequence **

find the 9th term of the arithmetic sequence with Asub1=10 and =1/2
*Wednesday, July 6, 2016 by alex *

**Maths**

This is KINDA a homework question, but would it be a good idea to review the topics learnt in seventh grade for maths before going into eighth grade? Thanks :)
*Sunday, June 19, 2016 by Stoof*

**Science**

A body covers 80 meter in 7th second,124 meter in 9th second, how much shall it covers in 15 second?
*Thursday, June 16, 2016 by Harsh*

**8th grade algebra 1 b**

Does anyone have the answers to the Unit 4 Lesson 10 test? The connection academy eighth grade one. It is the Quadratic Functions and Equations Unit Test that has 24 questions. Thanks.
*Friday, June 10, 2016 by HELP I'M DESPERATE *

**Economics**

A student taking economics, statistics, and finance has decided to spend 9 hours per week studying. The objective is to maximize the average grade, which means maximizing the total grade in the three courses. 1. How should the student allocate her time
*Wednesday, June 8, 2016 by tonya*

**Math ---HELP!!!!!**

30% of the fifth grade students in a large school district read below grade level. The distribution of sample proportions of samples of 100 students from this population is normal with a mean of 0.30 and a standard deviation of 0.045. Suppose that you select a sample of 100 ...
*Tuesday, May 31, 2016 by angela*

**Math ---HELP!!!!!**

30% of the fifth grade students in a large school district read below grade level. The distribution of sample proportions of samples of 100 students from this population is normal with a mean of 0.30 and a standard deviation of 0.045. Suppose that you select a sample of 100 ...
*Tuesday, May 31, 2016 by angela*

**Maths**

The 6th term of an g p is 12 15 is grieven that the common ration is 3 find the 9th term
*Monday, May 16, 2016 by Mohammed aliyu*

**java programming**

Test Average and Grade Write a program that asks the user to enter five test scores. The program should display a letter grade for each score and the average test score. Write the following methods in the program: • calcAverage—This method should accept five test ...
*Sunday, May 15, 2016 by ignatius*

**stats**

Scores on a test are approximately normally distributed with a mean of 70 and a standard deviation of 9. The teacher wants to give A’s to the top 10% of students, B’s to the next 25%, and C’s to the next 42%. a.) what is the bottom cutoff for a C grade? b.) what...
*Monday, April 25, 2016 by vanessa*

**Math**

I have a 92 average right now. I got a 93 on a major grade test, but my teacher has not posted the grade in Skyward yet. Will my average get lower or higher?
*Saturday, April 23, 2016 by Rhea*

**math**

the 9th term of an arithmetic sequence is 29. the 16th term is 50. what is the 20th term ?
*Wednesday, April 20, 2016 by kadedria*

**dramatic art .tourism. history and math lit **

I'm doing grade 11 next year grade 12 I don't know which job can do with this subject pls help me to found more information about it plss
*Sunday, April 17, 2016 by annita*

**Science**

What should I take next year? I am in the 5th grade. I want to know what classes i should take for 6th grade.
*Wednesday, March 16, 2016 by Lokelani Kekumu*

**Math**

Joely's Tea Shop, a store that specializes in tea blends, has available 45 pounds of A grade tea and 70 pounds of B grade tea. These will be blended into 1 pound packages as follows: A breakfast blend that contains one third of a pound of A grade tea and two thirds of ...
*Monday, March 14, 2016 by Hi*

**electrical electronics engineering**

I was give an assignment to be submitted on 9th of march please help out topic write a term paper on "MySQL database engines: an overview of MyISAM and InnoDB". Pls help out
*Monday, March 7, 2016 by kaycee *

**math**

If I have an 89 and get a 70 on something that is worth 50% of my grade what would my grade become
*Monday, February 15, 2016 by Anonymous*

**algebra**

the 9th term of an A.P is 52 while he 12th term is 70. find the sum of is 20 term
*Sunday, February 14, 2016 by wisdom*

**Statistics**

2.5 Points 30% of the fifth grade students in a large school district read below grade level. The distribution of sample proportions of samples of 100 students from this population is normal with a mean of 0.30 and a standard deviation of 0.045. Suppose that you select a ...
*Wednesday, February 10, 2016 by Amy*

**input output**

I'm in 12th grade. But I find this 6th grade problem a bit CHALLENGING. X: 4 12 Blank Blank Y: 6 18 Blank 60 Someone please solve this. Like.. WHAT. (Solve the blanks)
*Tuesday, January 26, 2016 by lucas*

**Maths**

the 5th, 9th and 16th term of an AP are consecutive terms of the GP. Find. 1. the common ratio of the GP 2. given that the 13th term of the AP is 200, find the common difference of the AP.
*Tuesday, January 19, 2016 by Elisha*

**Algebra**

Determine the explicit formula for each arithmetic. The 9th and 10th yerm of an arithmetic sequence are -24 and -30 respectively. What is the 30th term?
*Monday, January 18, 2016 by Kimmy*

**Math**

I can grade 5 papers in 45 minutes how many papers can I grade in 1.5 hours
*Monday, December 14, 2015 by C*

**Grades **

If I have an 82 in a class right now and a test is 50% of my grade but I get a C what would my total grade in the class be
*Thursday, December 10, 2015 by Anonymous*

**math**

If x, (3x+5) and (7x+4) form the first three terms of an A.P, 1.Find X 2. Find the 9th term
*Tuesday, November 24, 2015 by Prof*

**Day secondary school kataeregi**

The first and last terms of an a.p are 79 and 5 and it's sum is 814 find(a) the number of terms in the a.p(b)the common different between them.(c) the 9th terms is of an a.p is 52, while the 12th terms is 70 find the sum of it's 20th terms.
*Sunday, November 1, 2015 by Muhammad haruna ubandawaki*

**St charles**

The third term of an A.P is 8 and 9th term of the A.P.exceeds three times the third term by 2.find the sum of its first 19th terms.
*Tuesday, October 20, 2015 by Harsha*

**pre calc**

Joely's Tea Shop, a store that specializes in tea blends, has available 45 pounds of A grade tea and 70 pounds of B grade tea. These will be blended into 1 pound packages as follows: A breakfast blend that contains one third of a pound of A grade tea and two thirds of a ...
*Friday, October 9, 2015 by allexelle*

**pre calculos**

Joely's Tea Shop, a store that specializes in tea blends, has available 45 pounds of A grade tea and 70 pounds of B grade tea. These will be blended into 1 pound packages as follows: A breakfast blend that contains one third of a pound of A grade tea and two thirds of a ...
*Friday, October 9, 2015 by allexelle*

**language**

What is a 13 letter word whose 9th letter is "O" and describes a relationship between two people or mood?
*Sunday, September 20, 2015 by dav*

**Algebra**

In his mathematics class, John has taken 3 tests, each worth 20% of his total grade. His grades on those tests were 92%,83%,and 85%. He has an 100% average on his homework, worth 10% of his grade. All that remains is a final exam worth 30% of his total grade. To the nearest ...
*Thursday, September 17, 2015 by -N*

**chemistry**

1.2x10 to the 9th power gallons of water per day converted to gallons per second
*Tuesday, September 15, 2015 by Art*

**Math**

A number to the 12th power divided by the same number to the 9th power equals 125. What is the number? 125 - Am I correct
*Tuesday, September 15, 2015 by Americal*

**math please help 9th grade**

Which sum will be irrational? (1 point) 3 + 2 start root 19 end root plus start fraction 7 over 2 end fraction Start Fraction 18 over 3 End Fraction plus Start Fraction 11 over ten thousand End Fraction. –6 + (–3.251) Which product will be rational? (1 point) 17 ...
*Tuesday, August 25, 2015 by XenaGonzalez*

**Biology, please help 9th**

how the brain is related to human behavior and what the brain’s role is in the field of psychology.
*Friday, August 14, 2015 by XenaGonzalez*

**Physics**

A Particle moving with uniform acceleration is found to travel 35m in the 8th second and 51m in the 9th second. its velocity in m/sec at the beginning of 11 seconds is a> 49 b> 45 c> 47 d> 51
*Tuesday, June 30, 2015 by ChuLbuLi*

**Nursing**

My current overall average is a 76%. Another grade of 67 needs to be added in. That grade is worth 10%. What will my final average be?
*Wednesday, June 24, 2015 by Elaina*

**Math**

x to negative 3, x to 9th power, y to 5th power, y cubed Is the answer x to the 6th, y to the 8th?
*Thursday, June 11, 2015 by Rosemary*

**algebra**

how do you expand completely: (x to the fourth power y to the fifth)entire problem to the fifth. do you just add the exponents? (answer x to the 9th - y to the 6th)
*Saturday, June 6, 2015 by lamar*

**math**

Monday -4 degrees Fahrenheit increase 6 degrees. On Tuesday it increased 2 degrees. For the next 7 days it increased. What is the temperature on the 9th day?
*Friday, May 15, 2015 by tanisha*

**Math**

The sixth term of an arithmetic sequence is 20.6 and the 9th term is 30.2. Find the 20th term and find the nth term.
*Wednesday, May 13, 2015 by Anonymous*

**Algebra 1**

A teacher graded the tests for each of her students. She calculated a mean grade of 80 and a standard deviation of 3. One of her students, Katrina, had a z-score of 2. What grade did Katrina get on the test?
*Sunday, May 10, 2015 by Jacob*

**math**

The 9th term of an arithmetic sequence is 12 and the 17th term is 28, find the 4th term of the arithmetic sequences
*Friday, April 24, 2015 by Lillian *

**math**

Of the 6796 students in one school district, 1537 cannot read up to grade level. Among a sample of 812 of the students from this school district, 211 cannot read up to grade level. Find the sample proportion of students who cannot read up to grade level. A. 0.14 B. 0.26 C. 211...
*Friday, April 17, 2015 by HELP*

**statistics**

Of the 6796 students in one school district, 1537 cannot read up to grade level. Among a sample of 812 of the students from this school district, 211 cannot read up to grade level. Find the sample proportion of students who cannot read up to grade level. A. 0.14 B. 0.26 C. 211...
*Friday, April 17, 2015 by Jane*

**programming**

Write a Java application that computes and prints the grade of a student according to the following algorithm: 1) It should read from the user TMA score and MTA score. 2a) If their sum is less than 15, the grade "FC" should be printed and the program will stop. 2b) ...
*Saturday, April 11, 2015 by pooja*

**ICT (Programming) **

Design program logic that receives the letter grades for 4 subjects and then based on the grades, calculate the total grade point. The program should use IF statements to determine the grade point corresponding to the letter grade (as given in the table below). Once all the ...
*Saturday, April 11, 2015 by Zee*

**7th grade math (probability)**

I'm not sure how to answer this: 3. THe 7th grade wants to have a back-up representative just in case the first teacher is absent. Based on the same scenario as #2, if a math teacher was chosen to be the 7th grade representative, what is the probablility that the back-up ...
*Monday, March 30, 2015 by Alexis*

**Math**

Kami has an average of 64% in her class. School ends soon and she would like to raise her grade to a 74%.She has 2 tests left and tests counts as 80% of her grade, what would she have to get on the next to test to get her average up to a 74%?
*Wednesday, March 25, 2015 by Kammi*

**Math**

Theo made the table below to show the number of middle school students who attended the last football game. If the data were displayed in a circle graph, how many degrees would be in the sector representing the eigth graders? Grade 6 Number of students in attendance 375. Grade...
*Tuesday, March 17, 2015 by Anonymous*