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Homework Help: 10th Grade

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statistics-?mean average with lowest number out?
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 3:26pm

statistics-?mean average with lowest number out?
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 2:46pm

Math *URGENT
Please give the answers and solutions for each. 1.If the second term is 2 and the seventh term of a geometric sequence is 64, find the 12th term. 2. Which term if the geometric sequence 18,54,162,486,... is 3,188,646? 3. Determine the geometric mean of 8 and 288 4.Find x if ...
Thursday, December 20, 2012 at 9:37pm

World history- does this sound okay?
if you had to give queen Elizabeth the first a grade on the enlightenment principles what grade would you give and why? I think I would give her a B bc for the most part she was a very big influence on the enlightenment era and she enabled quite a bit for us today. she changed...
Thursday, December 20, 2012 at 2:33pm

7 th grade math
How many 4/5 are in 1 ?
Wednesday, December 12, 2012 at 10:05pm

math 6th grade
what does y=x
Tuesday, December 4, 2012 at 11:51pm

Math 5th grade
9K=414
Tuesday, December 4, 2012 at 7:14pm

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 75, 80, and 74. To get an B in the course, you must have an average of at ...
Sunday, December 2, 2012 at 2:11pm

5th grade math
i need help
Tuesday, November 27, 2012 at 5:48pm

Algebra 1B Chapter 10
I'm reclassified but I'm still a 10th grader and the only class I need to take is Algebra1B So here's the problem. I'm 1990, the town of Belgrade, Montana, had a popuof of 3422. For each of the next 8 years, the population increased by 4.9% per year. a. Write ...
Tuesday, November 27, 2012 at 4:59am

Algebra 1B Chapter 10
I'm reclassified but I'm still a 10th grader and the only class I need to take is Algebra1B So here's the problem. I'm 1990, the town of Belgrade, Montana, had a popuof of 3422. For each of the next 8 years, the population increased by 4.9% per year. a. Write ...
Monday, November 26, 2012 at 10:38pm

Math Statistics
The table below shows Rico’s grades during the third term in four subjects. Subject Units Grade Math 1.5 98 Science 2 97 English 1.5 95 A.P. 1 99 What was Rico’s average grade in the four subjects?
Friday, October 19, 2012 at 11:30pm

Statistic
Number of Absences Final Grade 0 93 1 93 2 77 3 68 4 65 5 54 - Find the correlation coefficient for the data. I got this part of my answer. I believe the answer to be -0.9767 I am just going crazy with the second part. - Find the equation for the regression line for the data, ...
Thursday, October 18, 2012 at 9:18pm

4 grade math
what the rule for 58,-2
Sunday, October 14, 2012 at 4:50pm

c++
Your Mathematic school teacher want to use a program that can read the name and the mark of a student. Your teacher want the program to automatically find the grade of the mark and display the result(name, mark and grade). Help your teacher to develop a program that can solve ...
Thursday, October 11, 2012 at 5:16am

7th Grade x y input output tables
i need help with x and y input output tables for 7th grade i dont understand what 5x means or what to do! Math hw problems: 1. y=4x+3 x=1,2,5,10,20 2.d=3.5t t=1,2,5,10,20 Please help ASAP!!!!!
Tuesday, October 9, 2012 at 7:14pm

statistics
You are given the following data. Number of Absences Final Grade 0 95 1 91 2 82 3 69 4 67 5 58 - Find the correlation coefficient for the data. - Find the equation for the regression line for the data, and predict the final grade of a student who misses 3.5 days.
Thursday, October 4, 2012 at 11:05am

7th grade math help quick
11/12 + (-2/3) = ?
Wednesday, October 3, 2012 at 8:42pm

math
there are 15 boys and 18 girls in fifth grade. Find the ratio of boys to girls in fifth grade.(how do I get the answer) can someone show me how to work the problem
Monday, October 1, 2012 at 8:52pm

MATH
tHERE ARE 4 FIFTH GRADE CLASSES IN A SCHOOL. EACH CLASS Has 24 STUDENTS. fOR EACH GYM PERIOD, TWO FIFTH GRADE CLASSES TAKE GYM TOGETHER. tHERE ARE 10 GYM PERIODS IN ALL DURING SCHOOL WEEK. wHAT INFORMATION IS NOR NEEDED TO FIGURE OUT HOW MANY TOTAL STUDENTS TAKE A GYM PERIOD ...
Monday, October 1, 2012 at 8:01pm

2nd grade math
____= 8+2?
Wednesday, September 26, 2012 at 3:01pm

math
5th grade equstions
Tuesday, September 25, 2012 at 9:04pm

6th grade math
what does the |#| mean? Thanks
Sunday, September 23, 2012 at 10:29pm

6th grade math
Simplify: |15|
Sunday, September 23, 2012 at 10:23pm

6th grade math
Yes I am not smarter than a 6th grader. How do I show the math and in the simplest form for the following: A sixth grade class has 100 sheets of lightweight paper. They use 3/4 of the paper for a collection of class poems. What is the total thickness of the paper they use?
Monday, September 17, 2012 at 7:27pm

7th grade math
What is the difference? |-9| - |13| =? A)-22 B)-4 C)4 D)22
Sunday, September 16, 2012 at 4:49pm

6th grade math
9 + x = 17 I know that x=8 but how did you get it Thanks
Friday, September 14, 2012 at 6:24pm

7th Grade Math
(-13) + (-1)
Friday, September 14, 2012 at 9:41am

6th grade math
f + (–15) = –32
Tuesday, September 11, 2012 at 12:06pm

math
I'm in sixth grade What is the value of |–46| ?
Monday, September 10, 2012 at 12:57pm

math
y – (–19) = 25 i'm in sixth grade
Monday, September 10, 2012 at 12:45pm

7th grade math
-6(2r-4)
Tuesday, September 4, 2012 at 7:01pm

6th grade math
what is 13/16 minus 1/4?
Tuesday, September 4, 2012 at 5:57pm

9th grade chemistry
what is the
Monday, September 3, 2012 at 1:09pm

Business and math question
Isabella is hoping to get an A on her college algebra course. With just the final exam left to take, she currently has an average of 92 on her exercises. The quizzes count for 40%, exercises count for30% of the class grade. What is the minimal grade that Isabella must have on ...
Thursday, August 30, 2012 at 2:11pm

Business
Isabella is hoping to get an A on her college Algebra course. With just the finaL exam left to take, she currently has an average of 85 on her quizzes and average of 92 on her exercises. The quizzes count for 40%, exercises count for 30% of the class grade. What is the minimal...
Thursday, August 30, 2012 at 11:07am

Economics
Brian is taking three courses this semester: economics, statistics, and finance. He has decided to spend 19 hours per week studying (in addition to attending all his classes) and his objective is to maximize his average grade, which means maximizing the total of his grades in ...
Monday, August 27, 2012 at 3:29pm

9th grade algebra/Ms Sue
Okay Ms. Sue. I am in 8th grade but I am taking Algebra with 9th graders. I am very confused with my previous problem. I have asked my Dad but we are both getting confused. Now I have come up with 22. Is this my correct answer?
Wednesday, August 22, 2012 at 9:59pm

work
1. You are a member of Special Troop Battalion, 3d BCT, 10th Mountain Division. Your battalion will deploy to Iraq within six months. The battalion commander approved your unit’s METL. The METL identifies critical tasks for each platoon and now it is time for squad ...
Monday, July 16, 2012 at 6:08pm

math
not sure if this had to do with math but my professor gave us this last hw assignment that i don't understand at all. It has to do with the grade scaling he does. 4x Exams = 37450 HW = 9362 Final = 16385 Lab = 23407 Recitation = 7022 Total Points = 93626 He asks whats the ...
Thursday, July 5, 2012 at 8:35pm

Algebra
The final grade for a particular course is calculated by dividing total points earned by total points available. There are 120 points available in the first half of the course, and 140 points in the second half of the course. If a student earns 81% in the first half of the ...
Monday, May 28, 2012 at 12:46pm

11th grade math
-2x+7+9x-4
Thursday, May 24, 2012 at 10:51am

8 grade
27.6 x 5.2 my answer is 138.00 is this right
Monday, May 21, 2012 at 5:54pm

physics
1 a cyclist moving on a circular track of radius 100m completes one revolution in 2 minutes what is his average speed and average velocity in one full revolution. 2 moving with uniform acceleration a body covers150m during 10 sec so that it covers 24m during the 10th sec wat ...
Saturday, May 19, 2012 at 4:00am

physics
1.Moving with uniform acceleration a body covers 150m during 10sec so thet it covers 24m during the 10th sec .What is the initial velocity and teh acceleration of the body. 2.A runner travels 1.5 laps around a circular track of 50sec .The diameter of the track is 40m and its ...
Saturday, May 19, 2012 at 2:23am

6 grade math
Can you help me with this integer problem? -8+6+(-10)+(-2)*(-10) is it 8????
Tuesday, May 15, 2012 at 6:17pm

math
Suppose that you are responsible for predicting the cost of constructing a new office building. You find that the first story costs 500 dollars per square meter of floor space, and the second story costs 600 dollars per square meter. Assume that the costs per square meter form...
Friday, May 4, 2012 at 9:35am

calculus
4. You are at Lowes and a man is leaning against three sections of fencing that are 6,7 and 12 ft long. A Lowe’s person tells him to discard the 12 ft section and buy a 10ft section. She informs the customer that this would save money and would fence a bigger triangular ...
Monday, April 30, 2012 at 7:35pm

calculus
3. Your neighbor puts tiger on his flat roof shed. You and another neighbor argue over the ht of the tiger. At a distance of 80 ft from the shed your angle of elevation from the ground level to the top of the shed is 5.74 degree. The angle of elevation to the top of the tiger ...
Monday, April 30, 2012 at 7:35pm

2nd grade math
4/6 of 18 is?
Monday, April 30, 2012 at 5:23pm

Math
After a Math test, each of the twenty-five students in the class got a peek at the teacher's grade sheet. Each student noticed five A's. No student saw all the grades and no student saw his or her own grade. What is the minimum number of students who scored A on the ...
Thursday, April 26, 2012 at 5:24pm

Physics
HELP PLEASE. Hypothetically, you are standing on the balcony of an apartment on the 10th level of a building and you throw a ball at some angle, 0 , above the horizontal away from the building. the ball lands on the ground 10m from the building, 3.2s after it was thrown. the ...
Thursday, April 26, 2012 at 2:12pm

Physics
Hypothetically, you are standing on the balcony of an apartment on the 10th level of a building and you throw a ball at some angle,è , above the horizontal away from the building. the ball lands on the ground 10m from the building, 3.2s after it was thrown. the height ...
Thursday, April 26, 2012 at 6:21am

Operations Management 10th edition
The three station work cell illustrated in Figure S7.7, has a product that must go through one of the two machines at station 1 (they are parallel) before proceeding to station 2. Station 1-Machine A-Capacity: 20 units/hr Station 2-Capacity: 5 units/ Station 3-Capacity: 12 ...
Wednesday, April 25, 2012 at 5:34pm

Geometry 10th
A cone is inscribed in a sphere with a radius of 5 centimeters.The distance from the center of the sphere to the center of the base of the cone is x. Write an expression for the volume of the cone in terms of x (Hint: Use the radius of the sphere as part of the height of the ...
Tuesday, April 17, 2012 at 10:55pm

to ms.sue
thank you. how do you know im in 4th grade?
Tuesday, April 17, 2012 at 6:07pm

Math
Of the 300 tickets 240 were sold to sixth grade studentss What percent of the total number of tickets sold were sold sixth grade students
Saturday, March 31, 2012 at 10:51pm

6th grade math
35/(2+5)(2^3)-15
Wednesday, March 28, 2012 at 9:49pm

statistics
Calculate the z-score for each set of data. Determine who did better on her respective test, Tonya or Lisa. Student English Test Grade z-Score Student Math Test Grade z-Score John 82 Jim 81 Julie 88 Jordan 85 Samuel 90 Saye 79 Tonya 86 Lisa 82 Mean 86.50 81.75 St. Dev. 3.42 2...
Thursday, March 22, 2012 at 3:03pm

4th grade math
what is 5/6 of 288
Monday, March 12, 2012 at 3:20pm

4th grade math
what is 5/6 of 288
Monday, March 12, 2012 at 2:50pm

Math - HELP !
there are 50 students in the seventh grade , 62 percent of these students are involved in the drama club.how many seventh grade students are in the drama club ?
Saturday, March 10, 2012 at 11:15pm

1st grade
I am helping my little sister. SHe is in the first grade and learning about Abraham Lincoln. Her questions are- 1. What year was Abe president. What year did he die. 2. How old was he when he died? 3. When did he marry ____. Who did he marry. 4. Who made the first flag? 5. ...
Friday, March 9, 2012 at 1:55pm

math 2nd grade
what is 3/5 of 10? what is 1/3 of 12?
Monday, March 5, 2012 at 10:58pm

6th Grade History
What is the crucifixion?
Monday, March 5, 2012 at 3:46pm

4th grade
8+4
Tuesday, February 28, 2012 at 9:20am

statistics
12. A statistics student received a grade of 85 on a statistics midterm. If the corresponding z score equaled +1.50, and the standard deviation equaled 7, what was the average grade on this exam? a. 95.5 b. 74.5 c. 78.0 d. Cannot determine without knowing how many took the ...
Sunday, February 26, 2012 at 3:08pm

statistics
2. The grades on a statistics midterm exam were normally distributed with a mean of 72 and a standard deviation of 8. a. What is the proportion of students received a B grade. b. What is the proportion of students that failed the exam? c. What is the grade of the 92nd ...
Thursday, February 16, 2012 at 6:49am

math
aaron is skipping stones across a pond.(A "skip"is a short bounce in the water.)The first stone skips 1 time, the second skips 2 times, the third stone skips 4 times,and the fourth stone skips 8 times. if this patten continues,how many total skips will the 10th stone...
Sunday, February 5, 2012 at 1:00pm

math
aaron is skipping stones across a pond.(A "skip"is a short bounce in the water.)The first stone skips 1 time, the second skips 2 times, the third stone skips 4 times,and the fourth stone skips 8 times. if this patten continues,how many total skips will the 10th ...
Sunday, February 5, 2012 at 11:37am

math
aaron is skipping stones across a pond.(A "skip"is a short bounce in the water.)The first stone skips 1 time, the second skips 2 times, the third stone skips 4 times,and the fourth stone skips 8 times. if this patten continues,how many total skips will the 10th stone...
Sunday, February 5, 2012 at 1:21am

Math (11)
The sum of the first 16 terms of an arithmetic sequence is 23 times the sum of the first 4 terms. Find the 10th term of the sequence if the first term is 2
Friday, January 27, 2012 at 6:33pm

6th grade math
how to solve w/3=17
Sunday, January 22, 2012 at 9:30pm

6th grade math
1/4 * 1/2 =4D
Monday, January 16, 2012 at 6:46pm

5 th grade algebra
5a-a-2a=18
Saturday, January 14, 2012 at 10:17pm

math world problems.
If the length of each side of a regular hexagon is 10 ft, the what is the distance from a vertex to the center? Andrea and Carlos left the airport at the same time. Andrea flew at 180 mph on a course with bearing 80 degrees, and Carlos flew at 240 mph on a course with bearing ...
Wednesday, January 4, 2012 at 10:32am

Statistics
2. You are given the following data. Number of Absences Final Grade 0 93 1 90 2 79 3 66 4 60 5 56 - Find the correlation coefficient for the data. - Find the equation for the regression line for the data, and predict the final grade of a student who misses 3.5 days. Show all ...
Friday, December 30, 2011 at 12:31am

9th grade math
simplify x^5-x^3+x^2-1-(x^3-1)(x+1)^2/(x^2-1)^2
Wednesday, December 7, 2011 at 12:38pm

grade 7 math
which expression is equivalent to (n+10)x5
Sunday, December 4, 2011 at 11:06am

SAT's and ACT's
How to pass the SAT's and ACT'S for the John Hopkins Talent Search? Here are the grade chart. Awards Ceremony Eligibility Chart (valid for students who tested by June 30, 2011) SAT Grade 7 Math >=550 or Critical Reading >=550 ACT Grade 7 Math >=21 or Reading &...
Friday, December 2, 2011 at 7:25pm

math
Jane is taking a class and asks you to help her figure out what her last grade must be in the class to get a 85 in the class. She tells you the following calculation is used to find your final grade: 75+85+90+X ___________ > 4 x is her last score which has not been taken. ...
Wednesday, November 30, 2011 at 6:49pm

math
Jane is taking a class and asks you to help her figure out what her last grade must be in the class to get a 85 in the class. She tells you the following calculation is used to find your final grade: 75+85+90+X ----------- > or = to 85 4 x is her last score which has not ...
Tuesday, November 29, 2011 at 11:20pm

algebra
Jane is taking a class and asks you to help her figure out what her last grade must be in the class to get a 85 in the class. She tells you the following calculation is used to find your final grade: w2d2 x is her last score which has not been taken. Explain this equation and ...
Tuesday, November 29, 2011 at 9:43pm

math
Jane is taking a class and asks you to help her figure out what her last grade must be in the class to get a 85 in the class. She tells you the following calculation is used to find your final grade: w2d2 x is her last score which has not been taken. Explain this equation and ...
Tuesday, November 29, 2011 at 8:43pm

Plz Help
You I'm entering this contest Scholastic Arts and Writing Award, and I'm a bit confused so I have to register online, then fill out a form since I'm doing it and mail my art work and writing in???? I check the site but I'm confused. I'm in 7th grade by the ...
Sunday, November 27, 2011 at 10:04am

2 grade math
% of 0.66? Answer 66. Am I right
Thursday, November 24, 2011 at 11:10am

MAth grade 8
x+5/6 = 3x-5/8 Solve for x
Tuesday, November 22, 2011 at 8:02am

MAth grade 8
how do you convert 2 4/5 to decimals
Tuesday, November 22, 2011 at 7:37am

My Award Binder
I have a award binder to keep all of my award from 1st grade to now and I need ideas to organize it and make it pretty. I don't have any award from 7th grade but my pricipal said that I will have a lot of awards (as I was walking to go to the library during my lunch period...
Saturday, November 19, 2011 at 7:21pm

My Awards (to share with teachers)
1st Grade participation in summer reading and math program ------ 3rd Grade 2nd place in primary spelling bee Certificate of Achievement: Math, Music, Good Citizenship, Student of the month - June (4 awards) ---- 4th Grade Parp Ribbin Headliners Science Fair (scientific ...
Saturday, November 19, 2011 at 3:27pm

Another Question
Is 8th grade is hard?
Saturday, November 19, 2011 at 10:12am

4th grade
75-3m when m=8. Thanks!
Friday, November 18, 2011 at 12:07am

8th Grade Help
My sister is gradating grade 8th this year and she wants to create her own 8th grade yearbook using a "marble notebook" she doesn't want to use a scrapbook she need cover ideas memorable quotes and funny ideas background ideas (when putting pictures she needs ...
Tuesday, November 8, 2011 at 12:03pm

6th grade math
which is bigger? 17/19 0r 0.85
Monday, November 7, 2011 at 7:45pm

7th grade math
8/9 \1/4
Saturday, November 5, 2011 at 7:53pm

MATH 7th GRADE
7ã3 / ã 5
Saturday, October 29, 2011 at 9:21pm

MAth grade 8
y^2-4y+4/2-6y x 2y+4/3y^2-12
Wednesday, October 26, 2011 at 10:04am

Maths Grade 8
m^2-m-6 m^2 _________ x ______ m^2-9 m^2+2m
Wednesday, October 26, 2011 at 9:44am

PLZ HELP....STATS
You are given the following data. # of Absences Final Grade 0 96 1 92 2 71 3 66 4 60 5 51 A. Find the correlation coefficient for the data. B. Find the equation for the regression line for the data, and predict the final grade of a student who misses 3.5 days.
Sunday, October 23, 2011 at 11:52pm

Stats
You are given the following data. # of Absences Final Grade 0 96 1 92 2 71 3 66 4 60 5 51 A. Find the correlation coefficient for the data. B. Find the equation for the regression line for the data, and predict the final grade of a student who misses 3.5 days.
Sunday, October 23, 2011 at 1:04pm

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