Saturday
December 10, 2016

Homework Help: 7th Grade

7th grade science
problem:suppose a bacterium reproduces by binary fission every 20 minutes.the new cells survive and reproduce at the same rate. this graph shows how the bacterial population would grow from a single bacterium. use the graph below to show your results up to 120 minutes. ( the ...
Friday, March 6, 2009 by christopher crawford

Algebra
Snape has 2000 mL of a magic potion that is 30% DeMuggle Juice. He also has hundreds of 25 mL bottles that are full of 75% DeMuggle Juice solution. Every time he waves his wand, one of these bottles is added to his magic potion. How many times must he wave his wand to have a ...
Friday, February 6, 2009 by Meghan

7th grade Science
How does the internal structures of earth's density compare to the lithosphere's density? It is a lot greater, a little greater, a lot smaller or a little smaller?
Sunday, January 4, 2009 by Mary Grace

7th grade
A company made 34,000.00 in 2007. This company made 32,500.00 in 2008. What is the percentage of the difference. The difference is 1,500.00 Is the difference 44.3 %? 34,000.00 32,500.00 _________ 66,500.00
Saturday, December 6, 2008 by Lana

7th grade
There are at least 5 more than twice as many students taking algebra 1 than taking algebra 2. If there are 44 students taking algebra 2, what is the least number of students who could be taking algebra 1. Show all work
Thursday, November 20, 2008 by lee

7th grade
If i buy a lollipop and a pack of gum, the cost will be $1.19. If i buy a lollipop and a peppermint, the cost will be $1.45. If i buy a pack of gum and a peppermint, the cost will be $1.40. What are the individual prices?
Monday, October 27, 2008 by ladylake5

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 don't 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...
Friday, October 3, 2008 by Bernadette

7th Grade Math
Mayla's mother is 3 times as old as Mayla. Eight years ago her mother was 7 times as old as Mayla. What are their ages now? A: Mayla 10; her mother 30 B: Mayla 12; her mother 36 C: Mayla 13; her mother 39 D: Mayla 14; her mother 42 I think the answer is B. But I want to ...
Tuesday, September 30, 2008 by Missy

7th Grade Math
Sally wants to buy some chips for her party. The bags of chips at Kroger are sold in 10.5 cup bags. Sally thinks that each guest will eat about 3/4 cup of chips. If she bought two bags of chips how many guests can she feed? I got an answer of two guest, but I think that is ...
Sunday, September 28, 2008 by Missy

7th grade science hypothesis question
please help me with this challenge question, as i don't quite understand it.: Yolanda makes this hypothesis: "If salt is added to water, then the water will boil at a lower temperature." She sets up and experiment to test her hypothesis, but discovers that it ...
Monday, September 8, 2008 by Beth

7th grade math
katrina has 3 apples, 2 oranges, and 1 peach in a cowl. if she randomly selects one apple and one orange to practice sketching and then puts the fruit back in the bowl then repeats the steps, What are all the possible combinations for the sketches she can make? list all the ...
Thursday, May 22, 2008 by lola

math
A school has 6th, 7th and 8th period Social Studies classes. One student from each class will be chosen to represent the school in an essay contest. The 6th period finalists are Mike, Sara, Luis and Ed. The 7th period finalists are Ben, Eric, and Sandy. The 8th period ...
Saturday, April 26, 2008 by kevin

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

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

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

7th Grade Math
Please help - I don't know where to begin. My problem is this: Find the numbers "Y" and "Z" if (1 and 3/5 times "Y") + (3/5 times "Z") = 5 AND (1 and 3/5 times "Z") + (3/5 times "Y") = 6. Thank You! change 1 and 3...
Thursday, March 22, 2007 by Kyle

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 2/Trig.
I forgot some stuff from my 7th grade algebra class about complex numbers...like what do you do with a problem like this 5+5i 3-i divided by + divided by 2-i 4+3i thanks.(divided by refers to dividing line in a fraction) In each case, RATIONALIZE the denominator. Here is the ...
Sunday, November 19, 2006 by Tom

7th Grade Math
Write one or two equations to represent the situation below. Solve the equation(s). Show all your work. Two cars leave town going in opposite directions. The car heading north travels at 55 mph. The car heading south travels at 75 mph. How long will it take them to get 715 ...
Tuesday, November 7, 2006 by Danny

Speeches
I have to write/ present a speech to become treasurer for my 7th grade class... things i know: I am in accerated math I am responsible I was a representative in Student Council last year I am not certain how accelerated math is helpful in the position of Treasurer. ...
Saturday, September 16, 2006 by Cass

algebra
give the demensions of rectangles with the perimeters of 70 feet and length-to-width ratios of 3 to 4, 4 to 5, and 1 to 1. Ok, the perimeter is 70 and perimeter = 2(length + width) The ratio is length:with=3:4 so length = (3/4)width 70 = 2(length + width) =2((3/4)width + ...
Tuesday, September 12, 2006 by christine

English
Which one of the following sentences is grammatically correct. A. I really need to lay down. B. Sit it down over there by the window. C. I thought it would be best if I were to rise the curtin. D. The men came today to lay the carpet in the living room. (Broken Link Removed) (...
Saturday, July 22, 2006 by maha

harmonic progression.
find the 7th terms of the series 1/3+8/23+4/11.....
Thursday, December 8, 2016 by warnar

G.p.
The second term of a g.p. Is 27 and 7th term is 1/9. Find the first term and the common ratio.
Tuesday, December 6, 2016 by Warnar

Pre Algebra Review
Thirty-five students belong to the science club. This 1/4 the number in the 5 sections of the eighth grade. How many students are in the eight grade? How many in each section if each section has the same number of students?
Monday, December 5, 2016 by Bryan

Math
In math class, a student has an average grade of 85% for five tests so far. What grade must that student earn on the next test to reach an average grade of 90% for all six tests?
Thursday, December 1, 2016 by Sophia

Math
The average score on a recent test was 75%. One of the students earned a grade of 93% while another student earned a grade of 78%. A total of 23 students took the test. Find the average grade of the remaining 21 students.
Thursday, December 1, 2016 by Emily

mathe arithmetic progression
If the term 7th of an A.P are 18 and 30 respectively.find the 13th term
Friday, November 4, 2016 by nikhil

Personal question
How would you deal with someone that has been bullying you since fourth grade? I have talked to adults talked to councelors and I have talked to his mother who happened to be my fifth grade teacher yet he is still at it. I don't want to seem like a baby and file a no ...
Wednesday, October 26, 2016 by Madeline

Math
What is 6th to the 7th power?
Wednesday, October 26, 2016 by May

7th American History
Can someone help me please? I have to summarize why John Adams was not reelected in the election of 1800. I know that he wasn't because he declared war on his first term and Thomas Jefferson was a popular candidate, but are there any more reasons?
Wednesday, October 26, 2016 by Anonymous

Math/7th
It takes 2mins for 3photo copy's ?how many mints will it take for 14 copy's? Please help thank you
Tuesday, October 25, 2016 by Nay

Mathematic
Determine the first three terms of the geometric progression of which the 7th term is 192 and te second term is 6
Friday, October 14, 2016 by Babazile

7th Math
If there are 16 dark blue triangles,then how much fabric was used if each leg is 10 cm and the hypotenuse is 14.2 cm long? 10+10=14.2?
Wednesday, October 12, 2016 by JJ

Geometric progression
The 7th term of a g.p. is 8 times of the 4th term. find the series if its 5th term is 48.
Wednesday, October 12, 2016 by Vijay

Geometrc progression
The second term of a g.p. Is 27 and 7th term is 1/9. find the first trem and the common ratio
Wednesday, October 12, 2016 by Vijay

MATH
The forty and the 9th term of an AP is -3 and 12 respectively. Find the common difference and some of the frist 7th term
Monday, October 3, 2016 by JOHN

Science
So I have an 89% in my science class and we took a test worth 15 points. I only got 8 correct which is an F. I have 2 A's, a B, and a D as the other grades in the grade book. How will this F affect my grade? I need it to stay a B
Tuesday, September 27, 2016 by Laila

Math
In​ Marissa's calculus​ course, attendance counts for 10​% of the​ grade, quizzes count for 20​% of the​ grade, exams count for 55​% of the​ grade, and the final exam counts for 15% of the grade. Marissa had a 100% average ...
Monday, September 12, 2016 by Anonymous

Math
A nut wholesaler sell two types of mixes of cashews and peanuts. He makes low-grade mix containing 8 pound of peanuts and 4 pound of cashews and high-grade mixer containing 6 pound of peanuts and 6 pound of cashews. Let x and y denote the numbers of low-grade and high-grade ...
Wednesday, September 7, 2016 by Amartya

SAT Prep's
A survey asked students from grades 8 and 9 about their favorite sport. The table contains data from the survey. Baseball Basketball Football Hockey Soccer Grade 8 8 2 12 3 5 Grade 9 6 3 10 2 4 The percentage of 8th grade students who said football is their favorite sport is...
Sunday, September 4, 2016 by Ashley

Math
When you have a 76% in math and you need to get your grade up to a b and daily assignments are 10% and quizzes are 80%. How will I get my grade up to a b in 5 weeks
Friday, August 26, 2016 by Lola

7th grade Social Studies
Use the passages below to answer questions 3-4. "...it is much safer to be feared than loved, when, of the two, either must be dispensed with. Because this is to be asserted in general of men, that they are ungrateful...false, cowardly..." -Niccolo Machiavelli, The ...
Wednesday, August 24, 2016 by Lily

math
what is the 7th term of the geometric sequence 10,2.2/5,2/25 (show your solution)
Tuesday, August 16, 2016 by eljone

math
what is the 7th term of the geometric sequence 10,2.2/5,2/25 (solve here)
Tuesday, August 16, 2016 by eljone

math algebra
what is the 7th term of the geometric sequence 10,2.2/5,2/25 (solve here)
Tuesday, August 16, 2016 by eljone

GP
two consecutive terms of a GP are the 2nd ,4th and 7th terms of an A.P respectively.find the common ration of the GP
Wednesday, July 27, 2016 by Mike

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

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

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

7th Grade Math
Use familiar figures to to find the area of the figure shown. Show all work. Since I can't provide a picture, here is the description. It looks like a rocket ship. There is a triangle with a width of 4 inches. A rectangle with a base of 3 inches and a width of 10 inches. ...
Monday, June 6, 2016 by Music Lover 14

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

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

physics
A body thrown upward from ground covers equal distance in 4th and 7th second . With what initial velocity body was projected ?
Sunday, May 15, 2016 by omna

7th Math
A game requires drawing balls numbered 0 through 9 for each of four digits to determine the winning number. Describe a model that could be used to simulate the selection of the number.
Wednesday, May 11, 2016 by murph

math
A car is the 7th from each column, how many vehicles were in the line
Saturday, April 30, 2016 by Fickmann

Math/ELA
What can I do now as a 7th grader to prepare and save for college
Wednesday, April 27, 2016 by Sarah

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

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

7th Grade Science
Hi, I really need help with this. I'm supposed to find information about biodiversity and fishing or housing and answer these two questions: "What challenges does [your topic] pose to biodiversity? What do you think should be done and why?" The websites my school...
Friday, March 18, 2016 by Music Lover 14

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

7th Grade Science About Mitosis & Meiosis
Hello, I really need help about mitosis and meiosis. So in my project, it asks me to explain three differences between mitosis and meiosis. I only have one difference and this is what I wrote: Mitosis-A type of cell division in which daughter cells are identical to parent ...
Tuesday, March 15, 2016 by Music Lover 14

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

geometric progression
The 7th term of a g.p is 8th times of the 4th term .find the series if its 5th team is 48
Monday, March 7, 2016 by sanjeet Mishra

Math
There are 28 7th graders in Ms. Thomas's homeroom. Seven of the students are absent today. What percent of the class was absent?
Thursday, February 18, 2016 by Sidney

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

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

Math
The third term of a GP is 10, and the 7th term is 6250. What is the common ratio?
Thursday, January 21, 2016 by Ayo

Maths
The 7th term of an a.p is 11 and the nth term is 3. Find the first five term
Tuesday, January 19, 2016 by Tony

math
The 10th term of an arithmetic progress in 28 and the 7th term is 19.calculate the 1st,2nd and 3rd terms of the progression
Tuesday, January 19, 2016 by Kamogelo

math
If the 7th term of AP is 21,find the sum of first 13 terms of AP?
Sunday, January 3, 2016 by kishor

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

Advanced algebra
Find the 7th term of geometric progression if the second term is 75, the 5th term,3/5.
Sunday, December 13, 2015 by James

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 7th
the cost (c) is twice of the cost of a 7$ tape what is the price of the cd
Tuesday, December 1, 2015 by erika

History
which amendment protects citizens' freedoms of speech and press a.1st b.3rd c.5th d.)7th its c?
Monday, November 30, 2015 by Steve

History
19.)which amendment protects citizens' freedoms of speech and press A.)1ST B.)3RD C.)5TH D.)7TH Is it B
Monday, November 30, 2015 by YRN DJ

arvind mahila college
Find the G.p. in which 4th terms is 3 and the 7th term is 8/9.
Tuesday, November 24, 2015 by chandan

pre algebra
in a math class with 31 students 27 earned a passing grade in a biology class with 21 students 17 earned a passing grade... what fraction of the math students earned a passing grade
Tuesday, November 10, 2015 by tiawannnia

English 7th
The Vietnam war"The Chinese dragon". What is the connection between the war and Ha and her situation?
Monday, November 2, 2015 by jay jay

math
The sum of the first "n" terms of series is 2^(n+3) -8.Find the 7th term.
Thursday, October 22, 2015 by Melvin V.Rodriguez

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

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

Math
Your a 7th grade math teacher and you want to create an experiment for your class with red, yellow and purple marbles in a bag. You want to theoretical probability of drawing a red marble to be 1/2, the theoretical probability of drawing a yellow to be 1/2, and the theoretical...
Monday, September 14, 2015 by Anonymous

vocabulary
I need the word stratify in a sentence for a 7th grader
Sunday, September 13, 2015 by a

physics
7 pulles of 6 hanged with weighs 23kg,15kg,20kg,6kg,34kg,5kg then find the weight hanged to 7th pulley
Sunday, August 30, 2015 by umapathi

Math
(8*2_10)_2*3 to the 7th power = 4374
Wednesday, August 19, 2015 by Rachel

maths
the third term of an AP is 5 while the 7th term is 13 find the 30th term of the AP
Tuesday, August 11, 2015 by cynthia

new era
the third term of an AP is 5 while the 7th term is 13,find the 30th term of the AP
Tuesday, August 11, 2015 by cynthia

math (algebra)
In Professor Tuffguy's mathematics class, 36 students took the final exam. If the average passing grade was 78, the average failing grade was 60, and the class average was 71, how many of these 36 student passed the final?
Wednesday, July 8, 2015 by Samantha

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

civics 7th Grade
"the Laws of the United Statesand all Treaties made, or which shall be made, under the Authority of the United States, shall be the supreme Law of the Land; and the Judges in every State shall be bound thereby" Which type of government does the passage describe? (3 ...
Wednesday, June 3, 2015 by Nikol

civics 7th Grade
The chart below describes the how the governments of two countries share power: Country A: •local and state government share power with the central government •the central government has final authority Country B •local and state governments share power with the...
Wednesday, June 3, 2015 by Nikol

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