Saturday
April 18, 2015

Homework Help: 9th Grade

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

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 at 8:16pm

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

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
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
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

Math
Theo made the table below to show the number of middle school students who attented the last football game. if this data were displayed in a circle graph, how many degrees would be in the sector representing the 8th grade Grades 6,7,8 # of students in 6th grade: 375 7th grade...
Monday, March 16, 2015 at 5:40pm

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

arithmetic
Determining the first three terms of an ArithmetiC progressionof which the (a.)10th term is 31 and the 15th term is 49 (b.)7th term is 3 and 12th term is -3 (c.)5th term is 8 and the 11th term is -28 (d.)9th term is7+9x and d=2x,Show all calculations
Tuesday, January 27, 2015 at 1:00pm

Mathematics
If the 9th term of an A.P is five times the 5th term. Find the relationship between a and d?
Wednesday, January 14, 2015 at 2:17am

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

maths
The 4th term of an ap is 15 while the 7th term is 27, find the sum of the 9th and 10th term.
Sunday, November 23, 2014 at 1:31pm

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

Maths
The 4th term of an AP is 6 if d sum of d 8th and 9th term is -72 the common difference is
Saturday, November 1, 2014 at 9:36am

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

maths
The sum of the 3rd and 7th term of an A.P is 38 and the 9th term is 37..Find the first term and common difference
Tuesday, October 21, 2014 at 3:04pm

maths
the first term of arithmetic progression is -8 .and the ratio of the 7th and the 9th term is 5 :8 .find the common difference.
Monday, October 20, 2014 at 6:29am

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

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

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

History
Ms.Sue, I asked this earlier, and you said I was wrong so I come back with a "re-answer" in sorts, haha, 9th? Which amendment was introduced to prevent anyone from assuming that the rights enumerated in the bill of rights are the only protected rights?
Friday, May 2, 2014 at 3:37pm

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

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

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

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

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:A.P.
The 1st,3rd and 9th terms of an A.P are the three terms of a G.P.if the 7th term of the A.P is 19.calculate the 20th term of the A.P and the sum of the first 12terms of the G.P(LEAVING YOUR ANSWER IN INDEX FORM)
Thursday, February 6, 2014 at 9:26am

maths
Given that the first term of an A.P is 7 and its 10th term is twice its second calculate a)19th term b) sum of 28 term c) different between the 9th and 6th term
Tuesday, February 4, 2014 at 3:40pm

math
find the 4th term of an arithmetic sequence whose first term is -8 and whose 9th term is 32.
Thursday, January 30, 2014 at 7:20pm

Maths
if the 29th term of arithmetic series is double of 19th term then find the 9th term.
Thursday, January 30, 2014 at 2:21am

Maths
If 9th term of an arithmetic progression is 0, prove that its 29th term is double the 19th term.
Thursday, January 9, 2014 at 6:55am

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

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

algebra
i need help: A national achievement test is administered annually to 9th graders. The test has a mean score of 100 and a standard deviation of 15. If John’s z-score is 1.20, what was his score on the test?
Tuesday, November 19, 2013 at 7:41pm

9th algebra
the sum of the digits of a two place fraction is 9. When its digits are reversed, the new fraction exceeds the original by 0.09. Find the original fraction.
Sunday, November 10, 2013 at 7:27pm

9th algebra
1.Jeff can weed the garden in 4 h. His wife takes the same amount of time. After they worked for 1 hr, their son helped them finish in 1/2 h. H long would it have taken Rory by himself to weed the garden?
Thursday, November 7, 2013 at 7:23pm

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

pigskin geography
October 9th is leif Erickson day. Which nfl team do you think is most likely to commemorate Leif Erickson day?
Wednesday, October 9, 2013 at 8:57pm

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

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

Sociology
Diane Kendall,9th edition, the question for assignment 1 is the review the top 10 values listed in textbook and decide which values are missing from the list and why were they not listed.
Monday, August 19, 2013 at 11:43am

math
pls help me out in dis ? dat says The 9th term of an Ap is 52 while d 12th term is 70 find d sum of it's 20th term?
Wednesday, August 7, 2013 at 4:12am

math
d 9th term of an Ap is 52 while d 12th term is 70. find sum of it's 20th term?
Tuesday, August 6, 2013 at 8:52am

arithmetic progression
the 9th term of an AP is 52 while the 12th term is 70. find the sum of it's 20th term?
Tuesday, August 6, 2013 at 8:19am

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

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

?
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

math
The 9th term of an AP is 8 and the 4th term is 20. Find the first term and the common difference.
Saturday, April 6, 2013 at 9:21pm

5th grade math
how do i convert milligrams to grams- i am in fifth grade-easiest way please.
Thursday, March 28, 2013 at 9:25am

English
Why should grade 8 students have to do volunteer hours to graduate grade 8? Please provide me with atleast 6 points and so I can expand on it. Your help is very much appreciated!:)
Saturday, March 23, 2013 at 5:38pm

ALL subjects..
Hi!! Well,I'm in tenth grade And I was wondering if there are any practice test websites for the 10th grade Test.. I believe Pct? Please!! Help..
Friday, March 8, 2013 at 8:22am

help
can someone help me with the pythagorean theorem? VERY HARD IM IN 7TH GRADE AND THIS IS SOME 7TH GRADE MATH HOMEWORK THAT I NEED HELP WITH!!!!!!!!!!!
Thursday, March 7, 2013 at 5:26pm

maths
The mean grade of 10 students was 72.if 2 of the students with grades of 53,75 are cancelled. What should be the mean grade of the remaining?
Wednesday, March 6, 2013 at 8:57pm

Similarity
What is one similarity between 4th grade and 5th grade?
Wednesday, February 27, 2013 at 8:53pm

writing
For my writing, it has to be a three paragraph essay.I have to include 2 differences and 1 similarity about 4th grade vs. the 5th grade. How do I start my paragraph?
Wednesday, February 27, 2013 at 8:11pm

Trigonometry
Mountain Descent A road sign at the top of a mountain indicates that for the next 4 miles the grade is 12%. Find the angle of the grade and the change in elevation for a car descending the mountain.
Monday, February 4, 2013 at 1:45am

Community technical college
Given that 1st term of an A.P is 7 and it's 10th term is twice the second term,calculate the (a) 19th term (b)sum of 28 terms (c) difference between 9th and 6th terms
Sunday, February 3, 2013 at 9:16am

4th grade math
In helping my 4th grade grandson last night with his math, he had problems like this 93 * 18. I asked what the asterisk meant and he said the teacher said to "figure it out"
Wednesday, January 30, 2013 at 11:38am

MATH
In Marissa's Calculus course, attendance counts for 5% of the grade, quizzes count for 15% of the grade, exams count for 60% of the grade, and the final exam counts for 20% of the grade. Marissa had 100% average for attendance, 93% for quizzes, 82% for exams, and 81% on ...
Sunday, January 27, 2013 at 8:27pm

math
I need to solve this problem. A teacher can grade 25 papers in 4 hours. How many papers can he grade in 6 hours?
Tuesday, January 22, 2013 at 5:58pm

Statistic- Average
A mean average of 60 on 6 exams is needed to pass a course. on his first 5 exams, Adam received grades of 46,73,73,63 and 70. If the lowest grade of the exams already taken is to be dropped, what grade must he receive on his last exam to get a C in the Course?
Monday, January 7, 2013 at 6:23pm

math
A mean average of 60 on 7 exams is needed to pass a course. on his first 6 exams, Adam received grades of 46,74,70,59,66 and 72. if his lowest grade of the exams already taken is to be dropped,what grade must he receive on his last exam to pass?
Monday, January 7, 2013 at 2:02pm

physics
A person listening to a tone of 500 Hz sitting at a distance of 450m from the source of the sound. Calculate the time interval between successive compressive from the source.(velocity of sound=330m/s) [class 9th]
Wednesday, December 26, 2012 at 9:49am

math
if 40 percent of my grade is at a 97 percent average and 40 percent of my grade is at a 92 percent average and my final test is worth 20 percent of the grade then what do i have to score on my final test to have a grade of 91.5 percent or better?
Tuesday, December 18, 2012 at 10:21pm

Grading
How do you find out what your grade is on a paper? For example if there is 70 questions and you miss 10 how do you find out what your grade is? Do you subtract 70 and 10 and when you get your answer you divide it by 100?
Tuesday, December 18, 2012 at 7:28pm

Math ave grade
a student scores 76,82,83 on the first three test, she has a 92 homework averge. if the final exam is 50% of grade and homework is 10% and the test average (nit including the final) is 40% then what grade should she get on the final exam to get a 87.5 in the class?
Sunday, December 16, 2012 at 11:59pm

Math 8R - HW Qs. Check
Write the product of (1.7 x 10 to the 9th power) x (1.4 x 10 to the 2nd power) in scientific notation My Answer - 2.38 x 10 to the 11th power am i correct and please reply this post
Sunday, December 2, 2012 at 4:51pm

Computer Science (Programming Logic And Design)
Create a program that outputs a letter grade for a student based on the following table:  From To Grade  90 100 A  80 89 B  70 79 C  0 69 F  I dont understand how to do this. Would you mind helping me get the answer to this Program?
Sunday, December 2, 2012 at 2:18pm

Computer Science (Programming Logic And Design)
Create a program that outputs a letter grade for a student based on the following table:  From To Grade  90 100 A  80 89 B  70 79 C  0 69 F  I dont understand how to do this. Would you mind helping me get the answer to this Program?
Sunday, December 2, 2012 at 2:18pm

Programming (CSI 150 Programming Logic and Design)
Create a program that outputs a letter grade for a student based on the following table:  From To Grade  90 100 A  80 89 B  70 79 C  0 69 F  I dont understand how to do this. Would you mind helping me get the answer to this Program?
Sunday, December 2, 2012 at 2:14pm

Programming (CSI Programming Logic and Design)
Create a program that outputs a letter grade for a student based on the following table: From To Grade 90 100 A 80 89 B 70 79 C 0 69 F I dont understand how to do this. Would you mind helping me get the answer to this Program?
Sunday, December 2, 2012 at 2:10pm

math
Hannah's grade on her last math test was 4 points more than Mark's grade. Write an expression for Hannah's grade, using m as a variable. Evaluate the expression if m=92.
Sunday, November 11, 2012 at 9:48pm

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