Tuesday
September 30, 2014

Homework Help: 7th Grade

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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
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

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

6 grade math
How do you solve this problem: x + 2 1/5 = 7?
Monday, March 3, 2014 at 10:36pm

4TH GRADE MATH
MS T BOUGHT CUPCAKES FOR HER 3RD GRADE CLASS. MS. CASA BOUGHT TWICE AS MANY CUPCAKES AS MS T, AND 4 TIMES AS MANY CUPCAKES AS MS. G. MS. G BOUGHT 241 CUP CAKES. A. HOW MANY CUPCAKES DID MS T BUY? B. MS.. B CAME LATE TO THE PARTY AND HALF OF THE CUPCAKES HAD ALREADY BEEN EATEN...
Wednesday, February 26, 2014 at 5:03am

economic
Suppose, unfortunately , your mathematics and economics professors have decide to give tests 2 day from now and you can spend only a total of 12 hours studying for exams .After some thought, you conclude that dividend your study time equally between each subject will give you ...
Sunday, February 9, 2014 at 12:24am

economic
10. Suppose, unfortunately , your mathematics and economics professors have decide to give tests 2 day from now and you can spend only a total of 12 hours studying for exams .After some thought, you conclude that dividend your study time equally between each subject will give ...
Sunday, February 9, 2014 at 12:18am

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

12th Grade Vocabulary Antonyms Practice
Does anyone know of a good place that I can practice 12th grade vocabulary antonyms?
Saturday, February 1, 2014 at 3:17pm

statistics
What is the probability for a: a.       Randomly selected person being a male in grade E? b.      Randomly selected male being in grade E? c. Why are the results different?
Sunday, January 19, 2014 at 11:23pm

LA....help!!!????
Someone from connections academy 7th grade gifted and talented LA??!!! help! check answers, dunno whether to send in or not!! 1. Which of the following statements about "3BCB: Three" by Clay Bennett is NOT true? (1 point) the cartoonist is concerned about the ...
Tuesday, January 7, 2014 at 5:50pm

statistics
Last week Tom had exams in Math and in Spanish. He had a score of 45 on the Math exam and a score of 65 on the Spanish exam. For which class should Tom expect the better grade? a. Math b. Spanish c. The grades should be the same because the two exam scores are in the same ...
Tuesday, December 31, 2013 at 8:07pm

linear optimization
During a summer session a student enrolls in two courses, psychology for four hours and engineering for three hours. The student wants to use the available time to amass the largest number of grade points (numerical grade multiplied by the number of hours). Students who have ...
Sunday, December 29, 2013 at 10:45am

language arts
Identify the appositive phrase in the following sentence. Mrs.Talavera,an eight grade teacher at Rosewood Middle School,led the community meeting about childhood obesity. -Mrs.Talavera -an eight grade teacher at Rosewood Middle School -led the community -about childhood obesity
Tuesday, December 17, 2013 at 8:30pm

4th Grade Math: Help Is Needed ASAP
My son is in the fourth grade and is needing help with these math problems. Can someone please help him with these problems. 1. 2/3+2/9= 2. 3/5+3/10= 3. 5/12+1/3= 4. Find the sum of 1/6 and 1/12 5. Add 1/4 to the answer in Exercise 4. 6. What is the sum of 1/8, 1/4, and 3/8? 7...
Monday, November 18, 2013 at 8:21pm

math
Carlos was 5feet,8inches tall at the beginning of ninth grade. he grew 4 3/4inches during that school year and 2 1/4inches during follow the summer. how tall was Carlos at the beginning of tenth grade? Express his height in feet and inches.
Monday, November 18, 2013 at 12:02pm

english
Please help me. I wanna make sure if all corrects this. Thanks. Some people are so (1)ominous 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 right to safety. Shannon is (3)endowed ...
Wednesday, October 23, 2013 at 2:36am

Geology
Can someone please help me with my review? 1)What grade of metamorphism common rocks are formed in- --- Is it high grade? 2)What is the name of the most rapid kind of mass wasting is> -- Weathering? 3)How to tell is a rock is igneous, metamorphic or sedimentary. 4)How to ...
Thursday, October 17, 2013 at 11:50pm

Geogoly
Can someone please help me with my review? 1)What grade of metamorphism common rocks are formed in- --- Is it high grade? 2)What is the name of the most rapid kind of mass wasting is> -- Weathering? 3)How to tell is a rock is igneous, metamorphic or sedimentary. 4)How to ...
Thursday, October 17, 2013 at 11:42pm

Pre Algebra
In Wilbur's math class, his grade is based on the average score of six tests, each worth 100 points. Wilbur always worries about his grade. He knows that his average on the first four tests is 88.5. What is the lowest average he could get on his next two tests and still ...
Thursday, October 17, 2013 at 8:58pm

Shurley English Grade 4
I'm suppose to write sentences from Grade 4 Shurley English book. I was suppose to bring book home and use page 25 - I forgot the book - anyone know what is on page 25? Thanks
Wednesday, October 2, 2013 at 5:41pm

Second Grade Reading
Hello. I am a tutor. I tutor second grade students. I need a good website that will give me great tips on how I can better teach my students how to read, spell, and pronounce words. Can you please help me find a website like that?
Saturday, September 28, 2013 at 10:42pm

grades
your average grade if you get a b- then you get a d+ ?
Thursday, September 26, 2013 at 5:45pm

statistics
suppose that grade point averages of undergraduate students at one university have a bell shaped distribution with a mean of 2.55 and a standard deviation of 0.43. Using the empirical rule, what percentage of students have grade point averages that are between 1.26 and 3.84
Monday, September 23, 2013 at 9:10pm

Life Science
Im doing 7th grade life science. (im 13.) I need to make sure my answers are right because my homework is being graded. I think i have most of them right but we'll see. I DO NOT want you to tell me the answer to my homework. I just want you to tell me if its wrong or not. ...
Friday, September 13, 2013 at 8:42pm

pre-algebra
There are 1,400 students in a school.The number of girls is 3/4 the number of boys.How many students are in the other grade levels if 1/6 of the girls and 1/5 of the boys in first grade?
Thursday, September 12, 2013 at 9:18pm

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

health 5 grade
i need help in health subject for my son 5 grade Question 1- connect suppose you have a cold. this affects your physical health. does if affect your mental,emotional,family, and social health, too? explain why or why not. Question 2- practice healthful behaviors Make a list of...
Friday, September 6, 2013 at 8:21pm

Math
The fifth and sixth grades at Oak Street School are having fair.There are 50 students total and 3/5 of the students are fifth grade students.How many fifth grade students are entered in science fair?
Wednesday, September 4, 2013 at 10:47pm

Math
The fifth and sixth grades at Oak Street School are having fair.There are 50 students total and 3/5 of the students are fifth grade students.How many fifth grade students are entered in science fair?
Wednesday, September 4, 2013 at 9:49pm

math
Ez stop fast gas sold 10957 worth of gasoline yesterday. Redular grade sold for 2.30 a gallon and premium grade sold for 2.55 a gallon. If the station sold 420 more regular than premium, how many gallons of regular were sold
Monday, August 12, 2013 at 2:12am

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

9th grade math
Solve -4(x-3)>2x A. x>6 B. x<2 C. x>3/2 D. x<-1/2
Tuesday, June 4, 2013 at 2:48pm

Music
23. If the fourth chord of a note is a seventh above the root, the chord is: a. a 7th chord b. a triad c. non-tertian d. a 4th chord Not sure 33. The inversion of triads can be written with roman numerals and a. letters b. small numbers c. percentage signs d. tiny stars B?
Saturday, June 1, 2013 at 1:44pm

arithmetic
there are n arithmetic means between 5 and 32 such that the ratio between the 3rd and 7th means is 7:13,find the value of n.
Tuesday, May 14, 2013 at 1:45pm

Science
A constrained string with a length of 8.5 meters is vibrating at its fundamental frequency of 113.1 Hz. What is the frequency of the 7th harmonic on this string?
Wednesday, May 8, 2013 at 11:41pm

Math
I'm having a hard time coming up with the right equation to solve this one. E-Z Stop Fast Gas sold $10,957 worth of gasoline yesterday. Regular grade sold for $2.30 a gallon and premium grade sold for $2.55 a gallon. If the station sold 420 more gallons of regular than of ...
Wednesday, May 1, 2013 at 5:47pm

Math
A math class has girls and boys in the seventh grade and girls and boys in the eighth grade. The teacher randomly selects a seventh grader and an eighth grader from the class for a competition. What is the probability that the students she selects are both girls? Write your ...
Wednesday, May 1, 2013 at 11:43am

Biology
Is 9th grade biology hard? Is it interesting...?? I love life science but I just wondering if 9th grade biology hard??? I'm taking biology next year.
Monday, April 29, 2013 at 7:48pm

maths
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,true if heads and false if tails). What is the chance ...
Saturday, April 27, 2013 at 3:25am

Math 7th Geometery
I have a complex figure like a U shape. I understand the formula for this is l x w = a Can you show me the steps? 31m is parael to 31m this would be the height (sides of the U)?? or is this the width? Length 69m Width is on the right top of U 23m. Inside the middle of the ...
Wednesday, April 24, 2013 at 10:27pm

math 7th
When the temperature is 68°F, the speed of sound in air is approximately 343 meters per second. Approximately how many kilometers does sound travel in five seconds? Can some one help with the steps?
Wednesday, April 24, 2013 at 8:34pm

?
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

4th grade math
4 1/4 minus 1 3/4
Monday, April 22, 2013 at 9:03pm

Math
Meagan bought a 3 liter soda and a bag of cups to a party. Each cup holds a volume of 250ml How many cups will be needed for soda 12 Ms.Baggett took a total of 3 hours to grade 120 papers Which of the following can be used to find m the number of minutes Ms.Baggett took to ...
Wednesday, April 17, 2013 at 7:16pm

programming
Write a program that requests the numeric grades on a midterm and a final exam and then uses a Function procedure to assign a semester grade (A, B, C, D, OR F). The final exam should count twice as much as the midterm exam, the semester average should be rounded up to the ...
Tuesday, April 16, 2013 at 10:31pm

arithmetic
If the first term of an arithmetic sequence is 2 and the 7th term is 3278, what is the common difference?
Tuesday, April 16, 2013 at 10:29pm

Probabilities
In a cookie jar, there are 6 chocolate cookies and 8 oatmeal cookies. I take out the cookies one at a time and proceed to eat them. The probability that the 7th cookie that I eat is a chocolate cookie is a/b, where a and b are positive coprime integers. What is the value of a+b?
Tuesday, April 9, 2013 at 4:17am

Probability
In a cookie jar, there are 6 choco chip cookies and 8 oatmeal cookies. Kim takes out the cookies one at a time and proceeds to eat them. The probability that the 7th cookie that Kim eats is a choco chip cookie is a/b, where a and b are positive coprime integers. What is the ...
Monday, April 8, 2013 at 10:51am

7th Grade Language Arts
4. The Latin word alius means "other." Which of the following words contains this root? (1 point) alien alight alike alignment 5. The Anglo-Saxon root sla- means "to strike." Which of the following words does not share this root? (1 point) slap slaughter ...
Thursday, April 4, 2013 at 1:14pm

Algebra 8th grade
3a + 5b = 70 6a + 9b = 135
Monday, April 1, 2013 at 5:44pm

pre calculus
If you are driving down a 10% grade, you will always be 10% below where you would have been if you could have driven on flat ground from where you started. Suppose you descend to where you are 20 feet below your starting point. What concept does the “grade” relate to...
Monday, April 1, 2013 at 9:17am

algebra 10th grade
Solve for x? 0 = -9/5 x -9
Thursday, March 28, 2013 at 8:20pm

7th Grade Sience
1. A person's belief that he or she needs a drug to feel good or function normally (1 point) addiction psychological dependence emphysema tolerance 2. A large, dome-shaped muscle below the lungs (1 point) trachea alveoli diaphragm emphysema 3. Smoke that is inhaled and ...
Thursday, March 28, 2013 at 2:46pm

10 grade algebra
solve 10(x+5)=130
Tuesday, March 26, 2013 at 7:29pm

10 grade algebra
Solve the equation 2(x =10)=80
Tuesday, March 26, 2013 at 7:05pm

English
i have a hard time calculating my grade & am in college. Please tell me the grade I have so far & will have, thank you!365 points in the course is needed. Lecture exams and quizzes are worth about 60% of the total grade &90 ≤ A 80 ≤ B < 90 70 ≤ C < 80 ...
Monday, March 11, 2013 at 12:50pm

6th grade math
n/4+32=72
Tuesday, February 26, 2013 at 7:36am

5th grade math
Is 3/9 <,>,= to 9/14?
Monday, February 25, 2013 at 7:13pm

Algebra
Express the radical as a power. Then evaluate it. Round to the hundredths place. I can't figure out how to type the symbols on my computer, but there are 3 problems. 1) 795 "square-rooted to the 3rd power" 2) 9876 "square-rooted to the 5th power" 3) 845...
Wednesday, February 13, 2013 at 10:36pm

6 grade math
(100-7•2+3)÷10 =
Tuesday, February 12, 2013 at 10:33pm

math 4th grade
my mistake will it be 8
Tuesday, February 12, 2013 at 4:36pm

statistics
this is a problem in my statistics class, and I am lost to me, it is confusing or missing something here is the problem please help grade points are assignede as follows: a=4,b=3,c=2,d=1,f=0. grades are weighted according to credit hours. if a student receives an A in a four-...
Sunday, February 10, 2013 at 10:42pm

Algebra
simplify 9to 6th power times 3 to the 7th power all over 9 to the 8th power times 3 to the 6th power
Sunday, February 10, 2013 at 9:02pm

Math
Instructions Suppose we have a sequence (1), (2, 3), (4, 5, 6). (7, 8, 9, 10), (11, 12, 13, 14, 15), ... where (1) is the first element of the sequence, (2, 3) is the second, etc. What is the first number in the 100th element of the sequence? Be sure to do more than answer the...
Saturday, February 9, 2013 at 4:04pm

7th grade language arts Ms. Sue please
1. Which of the following is not a part of evaluating sources? (1 point) checking the author's credentials questioning possible bias making sure the information is current agreeing with the author's opinions 2. Which of the following websites would you most likely use ...
Friday, February 8, 2013 at 5:47pm

7th grade health please help Ms. Sue!
1. Which substance found in tobacco is a drug that speeds up the heartbeat? (1 point) Tar Carbon monoxide Nicotine Emphysema 2. Which substance found in tobacco causes emphysema, a disease of the lungs? (1 point) Tar Carbon monoxide Nicotine Secondhand smoke 3. Which substance...
Wednesday, February 6, 2013 at 6:37pm

math
franklin school has 3 boys for every 4 girls in the fifth grade.there is 140 students in the fifth grade. A. how many are boys and how many are girls??? pleassseee helpppp meeeeee!!!!
Saturday, February 2, 2013 at 12:12pm

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
There are 12 girls on a gymnastics team. Less than 1/4 of the girls are in second grade. How many girls on the gymnastics team could be in second grade?
Monday, January 28, 2013 at 9:00pm

6 grade Math
How do I divide this ... 3 divided by 1/2
Wednesday, January 23, 2013 at 6:23pm

4th grade math
How do you solve 41/2-1/4=?
Sunday, January 20, 2013 at 4:22pm

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