Monday

May 25, 2015

May 25, 2015

**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 at 4:41am*

**science fair- clown fish**

I need a topic for my science fair experiment-I'm in the 6th grade and I would like to do something w/ clown fish, but I'm not sure what my hypothesis should be, please help. We own a pet shop so have have a lot of access to salt water stuff. P.S. It can't do harm ...
*Sunday, January 21, 2007 at 7:48pm*

**Math**

how do i solve this: a over b divided by 11 over c = d over 6 I have to find out whaat the letters stand for --------------------------------------- questain for top: Give values a,b,c and d; to create your own division problom --------------------------------------- thank you...
*Friday, January 19, 2007 at 7:36pm*

**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 at 6:44pm*

**money maniging**

I am in the 6th grade and in "tech" I am learning about money maniging and I forgot all off the fees for acounting. there is one that has to do with "if you write to mant checks and you don't keep a record of them you get charged". What is that one ...
*Monday, September 4, 2006 at 6:43pm*

**Science 6th Grade Please Help!**

How does wind affect precipitation? a. Wind does not have any effect on precipitation. b. Winds that blow from over the land contain a lot of water vapor that will cause precipitation. c. Winds that blow inland from oceans or large lakes contain very little water vapor that ...
*Wednesday, May 13, 2015 at 10:50am*

**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 at 8:58pm*

**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 at 7:34am*

**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 at 12:18am*

**6th Grade Math Help & FAST!!!**

I only have 2 questions. 1 is multiple choice and one I have to type so please help. 1. Which set of output values correctly completes the function table? This is the function table: y= 2x - 4. Input (x) 6, 2, -4. Output (y) those three slots all have question marks. A. 8, 2...
*Tuesday, April 14, 2015 at 10:12am*

**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 at 5:55pm*

**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 at 11:18am*

**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 at 8:09pm*

**math**

there are half as many 11th grade students in the band the are 9th grade students. how many 11th grade students are in the band
*Wednesday, March 25, 2015 at 9:13pm*

**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 at 7:00pm*

**math**

Find the 6th term of the arithmetic sequence given an = (1/5)an-1, given a1 = 20
*Wednesday, March 25, 2015 at 11:06am*

**maths!!!!!!**

The 6th and 13th term of a geometric progression are 24 and 3/16 respectively.Find the sequence.
*Saturday, March 21, 2015 at 1:01am*

**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 at 11:10pm*

**MATH**

DRIVING DOWN A 10% GRADE, THEN YOU DESCEND TO 20 FEET BELOW YOUR STARTING POINT. wHAT CONCEPT DOES THE GRADE RELATE TO?
*Monday, March 16, 2015 at 9:05pm*

**language arts**

WEDNESDAY March 11, 2015 SCHOOL SUBJECTS Art Business Computers English Foreign Languages Health Home Economics Math Music Physical Education Science Social Studies GRADE LEVELS Preschool Kindergarten Elementary School 1st Grade 2nd Grade 3rd Grade 4th Grade 5th Grade 6th ...
*Wednesday, March 11, 2015 at 9:45am*

**4th grade math**

explain how you know that 21/30 is greater than 2/3. Please help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!. Also, I need a FOURTH GRADE ANSWER, nothing else, perferibly using fraction strips.
*Monday, March 2, 2015 at 4:31pm*

**math**

it takes about 20 minutes to grade a student's paper. How long, in hours, does it take to grade papers for a class of 25 people?
*Friday, February 27, 2015 at 12:04am*

**statistics**

In a course there is a midterm exam, worth 40% of the course grade, and a final exam worth 60%. On the midterm the mean grade was 80 with a standard deviation of 10, and on the final the mean was 75 with a standard deviation of 15. The correlation between the two exams is 0.6...
*Wednesday, February 25, 2015 at 11:20pm*

**mathematics concepts**

Select the answer choice that best describes children's readiness to understand how to tell time. A. Introduce the units of measurement in grade one; expect accurate measurement in second grade. B. It may be introduced in grade 2, but it will be beyond primary before ...
*Tuesday, February 24, 2015 at 6:31pm*

**mathematics**

if the sum of the 6th and 7th terms of an arithmetic progression is 60 and the 3rd term is -5 find the common difference
*Sunday, January 11, 2015 at 2:20pm*

**Chemistry **

Which electron would have the highest ionization energy for an oxygen atom? A. 2nd B. 1st C. 5th D. 6th If it is the highest I was guessing b or d.
*Monday, December 15, 2014 at 2:06pm*

**Chemsitry**

What courses should you take in each grade 9,10,11,12 to help you become a pharmacologist. i need courses for each grade
*Thursday, December 11, 2014 at 12:52pm*

**Math**

An oil company owns two refineries. The daily production limits and operating costs for each refinery are given in the table below. An order is received for 1540 barrels of high-grade oil, 1650 barrels of medium-grade oil, and 2860 barrels of low-grade oil. How many days ...
*Wednesday, December 10, 2014 at 11:09pm*

**7th grade math**

Can you check these? 1. Olivia typed 2 pages in 15 minutes. Write an equation relating the number of minutes m to the number of pages typed. How long will it take her to type 10 pages at this rate? Ans: 15/2 = 7.5 = 7.5 * 10 = 75 minutes 2. If the ratio of Type O to non-Type O...
*Saturday, December 6, 2014 at 3:42pm*

**Alg !**

What is the sum of the first 4 terms of the arithmetic sequence in which the 6th term is 8 and the 10th term is 13?
*Friday, November 28, 2014 at 11:25am*

**MATHEMATICS**

IN A GP THE 5TH AND THE 8TH IS 24 AND 72 FIND THE 6TH
*Wednesday, November 26, 2014 at 4:27pm*

**MATHEMATICS**

IN A GP THE 5TH AND 8TH IS 24 AND 72 FIND THE 6TH
*Wednesday, November 26, 2014 at 12:40pm*

**maths**

product of 6th and13th term
*Saturday, November 22, 2014 at 1:37pm*

**Math 6th**

Andy ran a 5-kilometer race in 40 minutes. If Andy maintains that same place, how many kilometers did Andy run In 1 hour?
*Sunday, November 16, 2014 at 6:08pm*

**Arithmetic Progression**

the sum of the first and second terms of ap is 4 and the tenth term is 19. find the sum of the 5th and 6th
*Wednesday, November 12, 2014 at 4:20pm*

**java programming**

Create a java program that will calculate the current grade in a classroom. The program should ask for 5 grades as well as total point value per grade available.
*Monday, November 3, 2014 at 2:12pm*

**Grades**

If I have an 80 in my class, and I get a 70 on my test which is 33.33% of my grade, what will my overall grade become
*Monday, October 27, 2014 at 6:47pm*

**Math**

A sixth grader weighs 90 pounds which is 120% of what he weighed in 4 th grade. How much did he weigh in 4th grade? 90x100=9000/120= 75 So he weighed 75lbs is this correct?
*Sunday, October 5, 2014 at 7:17pm*

**statistics**

how to identify the 5 W's in the problem of the student averages in a High School college algebra class for the last semester. the teacher wanted to see how well the class did and constructed the Distribution from the grade book. who- Students what- average when last ...
*Saturday, October 4, 2014 at 8:58am*

**algebra 1**

princess leia is a very good math student. Her average math grade was a 95 on her 15 tests. If Darth Mangham decides to drop her lowest grade, write an expression to determine her new test average.
*Friday, October 3, 2014 at 8:03am*

**6TH GRADE MATH**

Tony and Alice are trying to reduce the amount of television they watch. For every hour they watch television, they have to put $2.50 into savings. The table shows how many hours of television Tony and Alice have watched in the past two months. Tony watch 18.2 hours in March. ...
*Thursday, October 2, 2014 at 11:44pm*

**6th Grade Math**

If you are given a true equation and you add the same number to each side, the resulting equation is also a true equation. If you are given a false equation and you add the same number to each side, will the resulting equation be a true equation or a false equation?
*Thursday, October 2, 2014 at 8:59pm*

**Social studies**

I need help for my 6th grader how do we describe some of the similarites and difference between the southern and northern regions with each other
*Tuesday, September 23, 2014 at 10:32pm*

**programming**

create a program using java that calculates the current grade in a classroom. the program should ask for 5 grades as well as the total point value per grade available.
*Friday, September 12, 2014 at 11:29am*

**JAVA PROGRAMMING **

Create a java program that will calculate the current grade in a classroom. The program should ask for 5 grades as well as total point value per grade available.
*Friday, September 12, 2014 at 11:15am*

**statistics**

You want to estimate the difference in grade point averages between two groups of university students to be accurate within 0.2 grade point, with probability approximately equal to 0.95. If the standard deviation of the grade point measurements is approximately equal to 0.6, ...
*Wednesday, August 13, 2014 at 2:43pm*

**statistics**

The trends in international mathematic and science study (TIMSS) in 2007 examined eighth grade proficiency in math and science. The mean mathematics scale score for the sample of eighth grade students in the US was 508.5 with a standard error of 2.83. Construct a 95% ...
*Saturday, August 2, 2014 at 7:14pm*

**math**

An A.P. is given by k,2k/3,k/3, 0,... Find the 6th term.
*Tuesday, July 22, 2014 at 9:15pm*

**What does your overall grade have to be to pass?**

I'm in the eighth grade and mine is 64 percent am I passing?
*Thursday, June 5, 2014 at 10:57am*

**Algebra**

Alma can grade a batch of placement exams in 3hr and Kevin can grade a batch in 4hr. if they work together to grade a batch of exams, what percentage of the exams will have been graded by Alma?
*Saturday, May 24, 2014 at 2:36am*

**Trig**

Find the 6th term of the arithmetic sequence with a9=120 and a14=195
*Tuesday, April 29, 2014 at 4:51pm*

**math question**

If jack has a 63% as his grade.If he takes a test worth 9% and got 10/10 what would his grade be then?
*Monday, April 28, 2014 at 9:39am*

**Patterns and rules unit test 7th grade **

I go to connection acdeamy and I am in the 7th grade regular math Mrs. Janus I just need some help with this test Find the next three terms of the sequence -2,-12,-72,-432... A. -1,728,-6,912,-27,648
*Monday, March 31, 2014 at 8:36am*

**6th grade Lang Arts**

Can you check my answers? Name type of sentences 1. I believe my students are ready to take this test because everybody has worked hard to learn the material. Ans:complex independent - I believe my students are ready to take this test dependent - because everybody has worked ...
*Wednesday, March 26, 2014 at 10:00pm*

**Fractions**

Last night 16/28 of the tenth grade girls and 19/30 of the tenth grade boys went to go ice skating. Did a greater fraction of tenth grade girls or boys went ice skating? Prove it.
*Wednesday, March 26, 2014 at 7:50pm*

**math**

The 6th grade classes have started a contest to collect cans for recycling. The first class to reach 500 cans will win. The chart below shows the two classes in the lead. How many cans does each class have left to meet their goal? show the work . find how much they collected. ...
*Monday, March 24, 2014 at 3:17pm*

**Computer **

Home work:- Write a program to read 5 records consists of first name, last name, id and grade. Assign the grade according to the following specifications: 0<g<= 50 F 50<g<=60 D 60< g<= 70 C 70<g<=90 B 90<g <=100 A Use Stringtokenizer and buffering...
*Thursday, March 20, 2014 at 12:49pm*

**6th grade Lang **

Can you recheck these? I don't understand. 10. I enjoy it because the temperature is pleasant, and everything is green and pretty. ans: cd (compound) 11. I also love to hear the birds singing in the trees and to watch them building their nests. ans: SS (simple) 13. In the ...
*Tuesday, March 18, 2014 at 7:01am*

**algebra**

How would you solve polynomial equation for, a to the 8th power minus a to the 2nd power and b to the 6th power?
*Monday, March 17, 2014 at 5:26pm*

**6th grade math**

I have to determine which method - mean, median, or mode - would be best for answering the following question: Find the average number of athletes for the sample of 7 countries listed by deciding which measure of center is the best represntation of the number of athletes from ...
*Wednesday, March 12, 2014 at 4:14pm*

**math**

lenzy has a 77 a c. as a grade. if she fails a test worth 26% 0/22 what will her grade be
*Tuesday, February 18, 2014 at 3:36pm*

**brits orbit**

find the twenty-first term of an A.S of which the 6th term is 3 and the 14th is 19
*Tuesday, February 18, 2014 at 3:18pm*

**Statistics in Psychology**

What research steps must you go through to use the relationship between a person’s intelligence and grade average in high school so that, if you know a person’s IQ, you can more accurately predict the person’s grade average?
*Monday, February 10, 2014 at 1:17pm*

**STATISTICS**

What research steps must you go through to use the relationship between a person’s intelligence and grade average in high school so that, if you know a person’s IQ, you can more accurately predict the person’s grade average?
*Monday, February 10, 2014 at 5:29am*

**Math - Algebra**

Von's arcade uses 3 different colored tokens for its game machines. For 500, you can purchase any of the following combinations of tokens: 8 gold, 18 silver, and 7 bronze tokens; 8 gold, 14 silver, and 13 bronze tokens; or 16 gold, 6 silver, and 9 bronze tokens. What is ...
*Saturday, January 4, 2014 at 9:26pm*

**6th grade grammar**

Can you check these sentences? Identify whether each sentence includes an action verb, linking verb, or verb phrase. 1. Celina is coming to my house after dinner. Linking = is verb phrase = is coming 2. The weather was beautiful this past weekend. Linking = was verb phrase = ...
*Wednesday, December 11, 2013 at 6:33pm*

**Algebra 2**

A grocer mixes x kg of Grade A and Y kg of Grade B nuts to get 60 kg of mixed nuts. Write and equation involving x and y to represent this information. The grocer sells all the mixed nuts at 9.00 per kg. He receives the same amount of money as when he sells the Grade A nuts ...
*Thursday, December 5, 2013 at 8:45pm*

**6th grade grammar**

Can you explain linking verbs? I'm getting confused. (To decide, I used 'is' or 'was' to replace the verb). These are the ones I missed. 1. Paul's exhibit remained on display for an entire month. By replacing with 'was', the sentence still makes...
*Tuesday, December 3, 2013 at 8:34pm*

**6th grade math**

Can you check these, please? 1. A spool contains 18.5 feet of rope. Bob cuts off a piece of rope. There are 13.8 feet of rope left on the spool. Write 3 equations that could used to determine the length of the rope (r) Bob cut off. Ans 1: r + 13.8 = 18.5 Ans 2: 18.5 - r = 13.8...
*Thursday, November 21, 2013 at 7:34am*

**Math**

If my mid-term is worth 15%, and my grade is 100% right now. If I get 0 on the exam, my grade would be 85% right?
*Wednesday, October 23, 2013 at 1:13am*

**6th grade math**

From Monday..Can you check the following problems, please? 1. If the ratios for microphones to karaoke machines are all equivalent, how can you find the value of x? table: microphones 3 9 15 36 karoke 1 3 x 12 Ans: x=5 (because divide each ratio by 3) 2 There are 32 students ...
*Wednesday, October 16, 2013 at 7:34am*

**College Math 45**

Mrs. Brown has 17 children in her first-grade class, and Mr. Lopez has 20 children in his second-grade class. The principal has been asked to select 1 student from one of the classes to appear at a PTA meeting. How many ways can the selection be made?
*Sunday, October 6, 2013 at 11:23pm*

**Math**

A 154-pound woman walks at 3.0 mph 0% grade for 5 min, runs at 5.5 mph 5% grade for 32 min. What is her total caloric expenditure?
*Sunday, October 6, 2013 at 12:54pm*

**programming**

Grades are assigned on the standard 90, 80, 70, 60 scale. You are to write an algorithm which will receive a student name and a percentage grade and display the letter grade to be awarded
*Thursday, September 26, 2013 at 2:46am*

**physical science **

a sample gas occupies 1.00 x 10 to the 6th at 575 mm Hg. if the pressure is changed to 950 mm Hg, what will its volume be if the temperature remains the same?
*Tuesday, September 17, 2013 at 6:31pm*

**7th Grade**

I just wanna know anyone who's been in 7th grade what do you learn in science mostly throughout the year??
*Monday, September 16, 2013 at 9:51pm*

**math 5th grade**

Hunter school has a kindergarten and grades 1 through 6. there are 2 kindergarten and 2 classes in each grade. If the maximum class size is 25, what is the greatest number of students that could be in the school?
*Thursday, September 12, 2013 at 8:09pm*

**Math - Ratios**

In Mrs. Sotomayor's class, the final grade is based on 6 quizzes and 2 exams. If each exam counts for 3 times as much as each of the quizzes, what fraction of the final grade is determined by each exam?
*Tuesday, September 10, 2013 at 11:03pm*

**math 4**

at the 6th grade school dance, there are 132 boys, 89 girls, and 14 adults. A. write a ratio of number of boys to girls. b. write the same ration using another form (A:B vs A to B) c. write the ratio of number of boys to number of adults. d. write the same ratio using another ...
*Tuesday, September 10, 2013 at 3:59pm*

**statistics**

1. I took a sample of the grade point averages for students in my class. For 25 students, the standard deviation of grade points was 0.65 and the mean was 2.89. The standard error for the sample was:
*Sunday, August 11, 2013 at 2:58am*

**maths**

Find the ratio of the coefficients of the 4th and 6th terms in the expansion of (1 + 2x)^16
*Thursday, August 8, 2013 at 8:44am*

**Math**

As of Tuesday, August 6th 2013, what fraction of their games have the Red Sox won?
*Wednesday, August 7, 2013 at 5:12pm*

**Algebra**

1. what is the 6th root of 8j^6k^3m^3n? 2. What is the fourth root of 4f^2g^2?
*Sunday, July 14, 2013 at 3:00am*

**science **

Why do we want students to learn APA 6th edition formatting?
*Wednesday, July 3, 2013 at 5:08pm*

**science**

Why do we want students to learn APA 6th edition formatting?
*Wednesday, July 3, 2013 at 1:20pm*

**maths**

find the 20th term of an arithmetic progression whose 6th term is 3 and 14th term is 19
*Wednesday, June 12, 2013 at 4:18am*

**maths**

find the 20th term of an arithmetic progression whose 6th term is 3 and 14th term is 19
*Wednesday, June 12, 2013 at 4:16am*

**Statistics**

The accompanying data show the number of hours, x, studied for an exam and the grade received, y (y is measured in tens; that is, y = 8 means that the grade, rounded to the nearest 10 points, is 80). x 2 3 3 4 5 5 5 6 6 6 7 7 7 7 8 y 5 5 6 5 6 7 8 6 9 8 7 9 10 8 9 Maple ...
*Sunday, May 26, 2013 at 10:05am*

**hsa practice**

2.6, −5.2, 10.4, −20.8, . . . 6th term? what is an easier way to find this?
*Saturday, May 18, 2013 at 12:40pm*

**TRIG**

What is the 6th term of the geometric series with a1= -5 and r=2.5
*Saturday, May 11, 2013 at 8:25pm*

**Probability Math**

A committee of four students will be selected from a list that contains six Grade 9 students and eight Grade 10 students. What is the expected number of Grade 10 students on the committee?
*Tuesday, May 7, 2013 at 9:29pm*

**6th grade grammar please help**

I need a good grade in grammar so please check my answers! Identify the object of the preposition in each of the following sentences. 1. Ashley and her father arrived home from work. a. and b . father c. from d. work 2. Ashley’s bedroom was across the hall. a. bedroom b. ...
*Tuesday, April 30, 2013 at 9:20pm*

**?**

If there are 56 questions and you miss 10 what would your grade be? Your grade would be a 81.88 I divided 100/56 and got 1.78 than I multiplied how many questions I would get right by 1.78. So 46x1.78=81.88
*Wednesday, April 24, 2013 at 5:33pm*

**?**

Let me see if I understand how to find your grade now. So this time if there are 60 questions and you miss 15 your grade would be a 72?
*Tuesday, April 23, 2013 at 8:21pm*

**?**

If there's 60 questions on a homework paper and you miss 10 what would your grade be? I forgot how to find out your grade.
*Tuesday, April 23, 2013 at 7:17pm*

**statistics**

To get an A grade on the test, you need a total score of more than 16 points. One of the students knows the correct answer to 6 of the 20 questions. The rest she guesses at random by tossing a coin (one toss per question, as in 4B). What is the chance that she gets an A grade ...
*Sunday, April 21, 2013 at 2:35pm*

**Statistic**

To get an A grade on the test, you need a total score of more than 16 points. One of the students knows the correct answer to 6 of the 20 questions. The rest she guesses at random by tossing a coin (one toss per question, as in 4B). What is the chance that she gets an A grade ...
*Saturday, April 20, 2013 at 10:27am*

**science**

To get an A grade on the test, you need a total score of more than 16 points. One of the students knows the correct answer to 6 of the 20 questions. The rest she guesses at random by tossing a coin (one toss per question, as in 4B). What is the chance that she gets an A grade ...
*Saturday, April 20, 2013 at 10:22am*

**Geometry **

The grade of a road or a railway road bed is the ratio rise/run, usually expressed as a percent. For example, a railway with a grade of 5% rises 5 ft for every 100 ft of horizontal distance. 1. The Johnstown, Pennsylvania, inclined railway was built as a "lifesaver" ...
*Monday, April 15, 2013 at 5:23pm*

**Calculus**

The velocity of an object t seconds after it started moving is t(t-6). Find the total change in the object's position in the 6th second.
*Friday, April 12, 2013 at 10:52am*