Sunday
May 24, 2015

Homework Help: 7th Grade

Math
I am in 7th Grade and have some holiday homeworks. Please help. 1. Write all the algebraic identities. 2. Write the statement & proof for remainder theorem & factor theorem each. 3.Write all the quadrilaterals and their properties. 4. Write the formulae for finding the area ...
Wednesday, May 14, 2008 at 10:52pm

geometrey
The grade of a road is 7%. What angle does the road make with the horizontal? I'm confused!! What is the grade of a road? Thanks for the help!
Monday, March 10, 2008 at 8:51pm

MATH-PERCENTILES
I JUST TOOK A TEAS TEST(FOR PRACTICAL NURSING ADMISSIONS). THE REQUIREMENTS MUST BE A GRADE IN AT LEAST THE 40TH PERCENTILE IN EACH SUBJECT. THERE WAS A MATH, READING,ENGLISH, AND SCIENCE SECTION. TOTAL OF QUESTIONS WERE 170.MATH-45? READING-40? ENGLISH-55 ? SCIENCE-30 ? I WAS...
Saturday, February 9, 2008 at 1:10pm

Current Events Assignment
How does the conflict in the Congo affect me, a 7th grader in Washington state and what are the world-wide ramifications of the conflict?
Sunday, November 25, 2007 at 3:39pm

Science 7th
I have to create an Advertisement for Nitrogen. I am lost and have no ideas.
Thursday, November 1, 2007 at 7:29pm

7th science
What is the mass of an object if the volume is 10 mL, and the density is 20g/mL^3? Is it 200 g?
Saturday, October 20, 2007 at 10:17pm

algebra
Sam must have an average of 70 or more in his summer course to obtain a grade of C. His firs three test grades were 75,63, and 68. Write an inequality representing the score that Sam must get on the last test to get a C grade.
Wednesday, October 10, 2007 at 12:50am

Science
What would be the defination of the word science through a 7th graders eyes?
Tuesday, September 4, 2007 at 4:09am

random
I dunno. Why don't u wait 4 a teacher 2 answer that? I guess any grade that can type and ask Qs. :p any grade.
Monday, May 7, 2007 at 6:27pm

Science question needs answering
Please note that we don't do students' homework for them. Once YOU have come up with a response to YOUR questions, please re-post and let us know what you think. Then someone here will be happy to critique your work. list the characteristics scientists use to ...
Monday, March 19, 2007 at 4:48pm

math
Ted must have an average of 70 or more in his summer course to obtain a grade of C. His first three test grades were 75, 63,and 68. Write an inequality representing the score that Ted must get on the last test to get a C grade. Let X be the grade on the next test. The average ...
Monday, March 19, 2007 at 11:58am

math
what is the difference between translation , rotation, relections, and dilation in 8 grade work In 8th grade talk, I recommend you check the examples in your book. OR, if you put your definitions here, I can critique them.
Sunday, January 28, 2007 at 10:59am

7th Grade Math 123
Write one or two equations to represent the situation below. Solve the equation(s). Show all your work. A collection of dimes and quarters totals 72 coins. Together the dimes and quarters are equal to $11.70. How many of each coin are in the collection? 2 and 6 tenths? Can you...
Tuesday, November 7, 2006 at 6:31pm

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 at 6:01pm

science
what are a+ topics i could use to write a 2 page 7th grade science report http://en.wikipedia.org/wiki/Ursinae_hyb​rid http://www.ctv.ca/servlet/ArticleNews/st​ory/CTVNews/20060511/grizzly_cross_06051​1?s_name=&no_ads=
Tuesday, October 24, 2006 at 6:47pm

FRENCH HELP
I don't get french It is to hard help me understand plz someone help I can't fail grade six plz help French is the most beautiful language in the world. Thank you for using the Jiskha Homework Help Forum. In order to help you, please give us some examples of what you ...
Sunday, October 8, 2006 at 9:16pm

Math
Homework grades are 5% of the overall grade. Lab work is 15% of the overall grade. Tests are 60% of the overall grade. The Final is 20% of the overall grade. Could a student that has a 75 homework average, 80 lab average, 40 test average, and 50 on the final pass the course? ...
Tuesday, September 19, 2006 at 11:49pm

7th Grade Science
1. Which of the following statements about continental glacial movement is correct? A. Continental glaciers can only flow uphill. B. Continental glaciers can flow in all directions *** C. Continental glaciers can only flow downhill. D. Continental glaciers do not flow at all. ...
Friday, May 22, 2015 at 4:15pm

1st grade math
what is a common factor
Thursday, May 21, 2015 at 6:16pm

math
lilly made a 75 on her history test and an3 on her math test. the mean grade on the history test was 72 with a standard deviation of 5. the average grade on the math test was 81 with a standard deviation of 4. which test did lilly do better?
Thursday, May 21, 2015 at 6:03pm

7th grade math (probability)
I'm re-posting corrections originally from Wednesday in addition to new ones. Still not sure how to answer #4. 2. Edwin rolls a number cube and then spins a color from a color card (red, yellow, blue, green, white). What is the probability that he will roll an even number ...
Friday, May 8, 2015 at 8:16am

math
I have a question on my math that my teacher cant help me with because this one is for try it. Can you help me see if it is right?: It says: 12 . Wich is equal to 30 hundreths? A)3 thousandths B)3tenths C)3 tens D)3thousands I think the answer is B but, it really confuses me ...
Thursday, May 7, 2015 at 5:07pm

7th grade math (probability)
I'm posting corrections from yesterday in addition to new ones. Still not sure how to answer #4. 2. Edwin rolls a number cube and then spins a color from a color card (red, yellow, blue, green, white). What is the probability that he will roll an even number and choose a ...
Wednesday, May 6, 2015 at 9:46pm

7th grade math (probability)
1. Cmdr's coffee shop offers a coffee special with coffee syrups of vanilla, chocolate, and caramel. You can also choose between a latte, and cappuccino. How many different coffees can you make for the special? Ans: 6 (VLatte, ChocLatte, CLatte; VCap, ChocCap, CCap) 2. ...
Tuesday, May 5, 2015 at 10:58pm

Math - 7th grade
Can you check/explain the following: 1. If you roll a number cube 66 times, how many times should you expect to roll a 1? a. 9 times b. 11 times c. 8 times d. 10 times Ans. P(1) = favorable outcome/possible outcome = 66/396 , (1 x 66rolls, and 6sides x 66 rolls = 396) = 16.66...
Tuesday, May 5, 2015 at 6:39pm

English
WORDS: Averse Detract Disdain Divulge Elation Endow Expulsion Mortified Nullified Ominous ------------- Some people are so (1)averse to living near a nuclear plant that they want the plant’s license to be (2)nullify. They say the plant infringes on every homeowner’s ...
Friday, April 24, 2015 at 7:00am

math
if 4th term of an arithmetic progression is 3 times the 1st term nd 7th term exceeds twice the third term by 1. find the first term and common difference
Monday, April 20, 2015 at 1:07pm

7TH MATH HELP
1. Which ordered pair is not a solution of y = –12x – 3? (–3, 33) (8, –98) (–9, 105) (3, –39)* 2. Find three solutions of the equation. y = 2x – 6 (–2, –10), (1, –4), (2, –1) (–2, –10), (1, –4), (0, –6...
Sunday, April 19, 2015 at 5:21pm

math
Sarah was trying to figure out her grades for her math course. She only knew the grade of 4 tests she had taken, however the class had taken 5 tests total. She scored a 94, 67, 83 and 93. If Sarah ended up with a grade of 90, what did she get on the 5th and final test?
Saturday, April 18, 2015 at 9:05pm

Algebra (check my work?)
1. Write a proportion using an unknown value x and the ratio 5:6 then solve it. 5/6 = x/12 6 * 2 = 12 5 * 2 = 10 x = 10 2. In an orchestra, the ratio of trombones to violas is 1 to 3. There are 9 violas, Write a proportion that gives the number t of trombones in the orchestra...
Friday, April 17, 2015 at 12:49am

connexus
anybody go to flvs academy and is 8th grade
Thursday, April 16, 2015 at 3:12pm

algebra
what is the first step when solving x/15=3/5? write a proportion using an unknown value x and the ratio 5:6 then solve it. in an orchestra, the ratio of trombones to violas is 1 to 3. a. there are 9 violas. write a proportion that gives the number t of trombones in the ...
Wednesday, April 15, 2015 at 10:31pm

Algebra 8th grade
(y2-3y)
Monday, April 13, 2015 at 4:36pm

Math
Jeremy uses the linear function G=12h+50 to represent the grade, G (in points out of 100), that he can earn on an exam as a function of h, the number of hours he spends studying for the exam. 1.) Identify the slope and y-intercept of Jeremy's function and explain what they...
Thursday, April 9, 2015 at 12:54pm

7TH MATH HELP
3. What is the correct description for the translation of A to A'? A(10, 3) A'(1, 6) right 9; up 3 left 9; down 3* right 9; down 3* left 9; up 3 The point C(x, y) is reflected over the x-axis. Use arrow notation to describe the original point and its reflection. (1 ...
Wednesday, April 1, 2015 at 5:08pm

Math
Sarah was trying to figure out her grades for her math course. She only knew the grade of 4 of the tests she had taken, however the class had taken 5 tests total. She scored a 94, 67, 83, and 93. If Sarah ended up with a grade of 90, what did she get on the 5th and final test...
Thursday, March 26, 2015 at 10:22pm

Maths lit
Fraction for grade 10 assessment
Wednesday, March 25, 2015 at 3:53pm

7th grade math
1. Evan withdrew a total of $160 from an ATM machine over a 4-day period. He withdrew the same amount of money each day. a. Write an expression to represent the total amount that Evan's account changed each day. Ans: 4d b. What integer represents the total amount that Evan...
Tuesday, March 24, 2015 at 9:39am

mathematics
THE 1ST, 3RD AND 9TH TERM OF A LINEAR SEQUENCE A.P ARE THE 1ST THREE TIMES OF G.P. IF THE 7TH TERM OF THE LINEAR SEQUENCE IS 14. CALCULATE (A) 20TH TERM OF THE LINEAR SEQUENCE (B) SUM OF THE 1ST, 12TH TERM OF THE G.P
Thursday, March 5, 2015 at 10:09am

math(5th grade)
In the choir, 1/2 of the members are boys and 1/2 are girls. If 1/4 of the boys are5th graders what fraction of the whole choir is 5th grade boys?
Thursday, February 26, 2015 at 12:54am

algebra-6th grade
what is a coefficient?
Wednesday, February 25, 2015 at 4:08pm

math
simplifying radical expressions 3\/""""4""​7" 250z x sorry it was hard to type some of the characters.so it's cube on outside of 250 z to the 4th, xto the 7th inside the radical sign
Monday, February 23, 2015 at 5:03pm

Social Studies/6th Grade Geography.
"Why do most people live in the Western part of Columbia?" A - to enjoy the cooler climate of the mountains, B - to be closer with the boarder of Venezeula, C - to live along the Pacific coast, D - to benefit from the country's lush rainforests. I was trying to ...
Friday, February 20, 2015 at 6:20pm

Science - 7th grade
Can you check the following: 1. Draw a Punnett Square to show a dog breeder inbreeding to maintain a purebred line of golden retrievers. Ans: would the parental cross look like Gg x GG or GG x GG? 2. Draw a Punnett Square to show a farmer crossing a plant that produces a large...
Sunday, February 15, 2015 at 7:29pm

7th grade science
Can you help me with genetics questions? Directions: In each set, tell which word does not fit with the others. Then explain why you think it does not. You must mention all words. 1. Aa, Heterozygous, Hybrid, Homozygous Ans: Homozygous doesn't belong because letters are ...
Thursday, January 29, 2015 at 7:56pm

7th grade science
Can you help me with genetics questions? Directions: In each set, tell which word does not fit with the others. Then explain why you think it does not. You must mention all words. 1. Aa, Heterozygous, Hybrid, Homozygous Ans: Homozygous doesn't belong because letters are ...
Thursday, January 29, 2015 at 2:21pm

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

statistics
suppose a sample of 2404 tenth graders is drawn.Of the sampled, 601 read at or below the eighth grade level. using the data, construct the 98% confidence interval for the population proportion of tenth graders reading at or below the eighth grade level.
Friday, January 23, 2015 at 1:49pm

math
suppose a sample of 2404 tenth graders is drawn.Of the sampled, 601 read at or below the eighth grade level. using the data, construct the 98% confidence interval for the population proportion of tenth graders reading at or below the eighth grade level.
Friday, January 23, 2015 at 12:54pm

Math
Sarah was trying to figure out her grades for her math course. she only knew the grade of 4 of the tests she had taken, However the class had taken 5 tests total. She scored a 94, 67, 83, and 93. If Sarah ended up with a grade of 90, what did she get on the 5th and final test...
Wednesday, January 21, 2015 at 8:45pm

grade 6 math
13 more than product of m and 5
Wednesday, January 21, 2015 at 7:16pm

7th grade LA
Can you check the following? Punctuate the following sentences with appropriate apostrophes. 1. Whos the partys candidate for vice president this year? Ans: Who's, party's 2. Our neighbors car is an old Chrylser, and its about to fall apart. Ans: neighbor's, it'...
Wednesday, January 21, 2015 at 7:18am

math
At a given time, Saturn was 9.1 x 10 to the 8th miles from the sun and the earth was 9.3 x 10 to the 7th miles from the sun. by what distance is one planet closer to the sun than the other planets?
Wednesday, January 14, 2015 at 8:17pm

Grade
If there are 70 questions and you get an 80 how many did you miss
Thursday, December 18, 2014 at 9:42pm

math
If Susan takes two tests and makes a makes a 54/100 on the first test and a 63/100 on the second test, and is given a third test and makes an 80/100(which can only count as 20% of her total grade for all three test, what is her final grade/score.
Thursday, December 18, 2014 at 1:14pm

Stats
Research shows that 14% of 6th graders in K-6 schools have tried cigarettes and 61% of 7th graders in 8-9 or 7-9 middle schools have tried cigarettes. what is the absolute increase to the nearest percent? A. 77% B. 336% C. 436% D. 47% I dont know this one can someone please ...
Monday, December 15, 2014 at 5:26pm

division
9/72=8 56/7=8 49/6=8 36/9=4 64/8=8 6/24=4 5/25=5 3/15=5 Easy I'm in fifth grade and I know this 😜
Monday, December 15, 2014 at 3:58pm

7th grade math
Can you check my homework? (wasn't really sure about #4 and #6) 1. Tekell ate 10 pieces of candy in the same time that Mackensay ate 4 pieces. How many pieces will Tekell have eaten when Mackensay eats 6? Ans: 10/x = 4/6 4x = 60 x = 15 pieces of candy 2. Savannah made $102...
Saturday, December 6, 2014 at 10:47am

5th grade math
how do i simplify
Thursday, December 4, 2014 at 10:02am

maths
Average weight 0f 6 balls is 6kg.average weight of 7balls is 7kg what's the weight of 7th ball
Tuesday, November 25, 2014 at 6:58am

idk
what grade level is physics??
Thursday, October 9, 2014 at 1:44pm

Math
1. Find the common ratio and 9th term of the sequence 6, -3, 3/2, -3/4, ..... 2. Find the 7th term of the sequence: 2, 6, 18, 54, ..... 3. Find the 11th term of the sequence 1, -1/2, 1/4, -1/8, .....
Wednesday, October 8, 2014 at 2:17am

Math
1. Find the common ratio and the 7th term of the sequence 2/9, 2/3, 2, 6, 18, ..... 2. The 3rd and 5th terms of a geometric sequence are 2 and 1/2 respectively. What is the first term? 3. Find the geometric mean between: a. 1/2 and 1/3 b. sqrt5 - sqrt2
Tuesday, October 7, 2014 at 9:31pm

Math
If a compact body falls vertically 16 ft. during the 1st second, 48 ft. during the 2nd second, and 80 ft. during the third second, how far will it fall during the 7th second? During the first 7 seconds?
Tuesday, September 9, 2014 at 9:13pm

Grade
What is my grade if I have two 100's and two 70's
Tuesday, September 9, 2014 at 8:34pm

5th grade math
What is the value of n 9*27+2*31-28=n
Monday, August 25, 2014 at 6:54pm

math
what is the base 10 of 469 3rd grade
Thursday, August 21, 2014 at 10:03pm

math
The average weight of 6 eight graders is 150 pounds and the average weight of 4 7th graders is 120 pounds what is the average weight of the 10 students twostudents
Monday, August 11, 2014 at 6:07pm

grade 7 maths
Missing input W+9=14
Monday, August 4, 2014 at 12:53pm

Essay Topic (Synthesis)
Is the topic of Immigration Reform in the United States to controversial for my synthesis essay? I am writing a synthesis essay for my class, and it is a big portion of my grade. I have a lot of information about Immigration, but I'm afraid the topic will be too ...
Sunday, August 3, 2014 at 12:37am

programming
Professor Merlin has asked you to help him. He has 5 students who have taken four tests. He wants a program where he can enter the students name and their four test scores. After entering all 5 students then he wants a grade report printed showing the student name and their ...
Thursday, July 24, 2014 at 12:16am

statistics
If you are told the mean grade in ECON 2023 is 80 with a standard deviation of 5, what is the probability that if you randomly selected 36 students you would find an average grade of 82 or more? I found the Z-score: 82-80/5 Which gave me .6554 then 1-.6554=.3446 So 34% would ...
Sunday, July 6, 2014 at 1:32pm

Calculus I
Hello! I am taking Calculus I and am in Sec. 4.3 of Stewart's 7th Edition. I ran across a problem that I don't understand the mechanics of, could someone show me? Thanks a bunch! For what values of the numbers a and b does the function f(x)= axe^{b(x^2)} have the ...
Thursday, June 26, 2014 at 10:47pm

Math for 7th graders///////
In a survey 182 people said they liked chocolate ice cream the best. This is 35% of all the people surveyed. How many people were surveyed??? Please tell me the answer and please show your work so I could understand how you figured it out!???
Wednesday, June 25, 2014 at 5:34pm

4th grade math
For a survey, 20 students in one class were asked to name their favorite sport. the tally chart shows the result. Basket ball - 6 soccer-7 hockey - 5 volleyball - 2 suppose all 100 students in the grade were asked to name their favorite sport. how many students would you ...
Thursday, June 5, 2014 at 7:37pm

I may fail the 8th grade?
My home life has been crazy so I missed a lot of school and got bad grades. My anxiety is through the roof right now and i'm shaking a lot. all i need to do is get a 75% in math. and i just can't this is my biggest fear I can't see how life goes on after failing a ...
Thursday, June 5, 2014 at 3:24pm

statistics
An 8th grade history teached studied the statistics for her mid-term exam. The average grade for the mid-term was 84 points, and the standard deviation was 8 points. The Z-score for a student who scores 90 on the exam is: 84-90/8= -0.75
Tuesday, June 3, 2014 at 7:36am

math
The 3rd term in an arithmetic sequence is 12, the 7th term is 24, a) How many common differences are there between a_3 and a_7? b) What is the common difference of the sequence? c) What is the first term in the sequence? a_1 d) What is the expression for this arithmetic sequence?
Wednesday, May 21, 2014 at 12:06pm

Math 8th Grade!!!!
27 - (-9) (-2) ÷ 3 * (-4) - 0 - 33 - (-39)
Wednesday, May 21, 2014 at 6:56am

math 8th grade
-15 - (3-7) + 6 * (-2) + (-8) - 9
Wednesday, May 21, 2014 at 6:49am

math Question
the 5th term in a geometric sequence is 160. The 7th term is 40. What are the possible values of the 6th term of the sequence +70 70 +80 80
Monday, May 19, 2014 at 4:49pm

algebra 2
What is the 20th term of the sequence that begins -3,6,-12,24? A. 524,288 B 524,288 C. 1,572,864 d. 3,145,728 The term in a geometric sequence is 160. the 7th term is 40. What are the possible values of the 6th term of the sequence? You roll a standard, six sided number cube. ...
Monday, May 19, 2014 at 4:37pm

math
Taylor surveys students in one grade level who own at least one pet. She finds that 50% of the students surveyed own 2 pets, 3 students own 3 pets each, and 2 students own 4 pets each. Eight of the students in the grade own 1 pet. Considering the number of pets as the random ...
Monday, May 19, 2014 at 10:21am

English
Coins Coins were first invented in the 7th century B.C.. in Lydia. They were made from gold and silver. People made coins of different sizes and gave them different values. Coins were good in many ways. First, they could be carried easily. Second, they made exact exchanges ...
Wednesday, May 14, 2014 at 5:36pm

math
Suppose that you are taking a course that has three exams which count for three-fifths of your grade and a final which counts for two-fifths of your grade. On your first three tests your scores on were 84, 72, and 96. To get an B in the course, you must have an average of at ...
Friday, May 9, 2014 at 9:07am

Science
GCSE Physics-Forces affecting falling objects. My falling object is a skydiver Can you please help me to find the information needed? Nothing too complicated please. Here is a list of things I need to include but I have no idea where this information can be found on the ...
Sunday, May 4, 2014 at 2:18pm

Science
GCSE Physics-Forces affecting falling objects. My falling object is a skydiver Can you please help me to find the information needed? Nothing too complicated please. Here is a list of things I need to include but I have no idea where this information can be found on the ...
Sunday, May 4, 2014 at 10:52am

Data math help 7th
Jeri asked 40 random students at his school to name their favorite ice cream flavor. Of the 40 students he asked, 25 of them preferred chocolate. Based on Barry's results, how many ff the 1200 students in the school most likely prefer chocolate ice cream?
Thursday, May 1, 2014 at 2:30pm

4 the grade math
What's 3/4 of blank=75
Tuesday, April 29, 2014 at 11:35pm

HELP! 5th grade math
Trying to help my child in 5th grade. Shannon pours 4 different liquid ingredients into a bowl The sum of the liquid ingredients is 8.53 liters. Two of her measurements are in milliliters and two of her measurements are in liters. Give an example of possible measurements for ...
Sunday, April 13, 2014 at 10:43pm

9th grade math
4x^2=80x-400
Tuesday, April 8, 2014 at 10:57pm

9th grade math
x^2+8x+16=25
Tuesday, April 8, 2014 at 10:56pm

9th grade math
4m^2-24m+36=0
Tuesday, April 8, 2014 at 10:51pm

3rd grade math
Explain how you know 6/6 and 1 are equivalent?
Tuesday, April 8, 2014 at 4:14pm

math - 6th grade
HELP! How do I solve for x: 4x+2=3x+9
Thursday, April 3, 2014 at 6:48pm

4th grade math
What is 1. 2/3 + 3/6 = 2. 3 1/10 + 17/5 = 3. 3 2/6 - 1 5/6 =
Monday, March 24, 2014 at 6:14pm

Grade 6 math
What is 2 to the 2nd power
Thursday, March 20, 2014 at 5:53pm

Science
How many minutes are required for a radio signal to travel for Earth to a space station in Mars if the planet Mars is 7.83 x 10 to the 7th km from Earth?
Thursday, March 20, 2014 at 12:45am

math 7th
a right triangular prism has a length of 11 units.Its right triangle face has legs of 3 and 4 and a hypotenuse of 5. what is the surface area of the right triangular prism.
Tuesday, March 18, 2014 at 8:35pm

to ms. sue
what was your 4th grade teacher and why
Wednesday, March 5, 2014 at 11:09pm

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