Sunday

January 22, 2017
**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 by CHIMI*

**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 by Abisola*

**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 by oladepo*

**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 by oladepo*

**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 by Sue*

**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 by anonymous*

**?**

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 by Anonymous*

**?**

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 by Anonymous*

**?**

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 by Anonymous*

**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 by AmmanJordan*

**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 by AmmanJordan*

**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 by AmmanJordan*

**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 by Stacey*

**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 by lindsay*

**5th grade math**

how do i convert milligrams to grams- i am in fifth grade-easiest way please.

*Thursday, March 28, 2013 by cc*

**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 by bob*

**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 by Unknown*

**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 by juju*

**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 by minte*

**Similarity**

What is one similarity between 4th grade and 5th grade?

*Wednesday, February 27, 2013 by Celest*

**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 by Celest*

**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 by AwesomeGuy*

**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 by Benjamin*

**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 by wobble it*

**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 by Patricia*

**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 by Kristina*

**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 by Christina*

**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 by tony*

**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 by tony*

**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 by yogendra*

**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 by pat*

**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 by Lance*

**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 by James*

**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 by Laruen*

**Computer Science (Programming Logic And Design)**

Create a program that outputs a letter grade for a student based on the following table:Â From To GradeÂ 90 100 AÂ 80 89 BÂ 70 79 CÂ 0 69 FÂ I don't understand how to do this. Would you mind helping me...

*Sunday, December 2, 2012 by Derek Smith*

**Computer Science (Programming Logic And Design)**

Create a program that outputs a letter grade for a student based on the following table:Â From To GradeÂ 90 100 AÂ 80 89 BÂ 70 79 CÂ 0 69 FÂ I don't understand how to do this. Would you mind helping me...

*Sunday, December 2, 2012 by Derek Smith*

**Programming (CSI 150 Programming Logic and Design)**

Create a program that outputs a letter grade for a student based on the following table:Â From To GradeÂ 90 100 AÂ 80 89 BÂ 70 79 CÂ 0 69 FÂ I don't understand how to do this. Would you mind helping me...

*Sunday, December 2, 2012 by Derek Smith*

**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 don't understand how to do this. Would you mind helping me get the answer to this Program?

*Sunday, December 2, 2012 by Derek Smith*

**Math Statistics**

Kesha's mean grade for the first two terms was 74. What grade must she get in the third term to get an exact passing average of 75?

*Tuesday, November 6, 2012 by Milen*

**Math Statistics**

Kesha's mean grade for the first two terms was 74. What grade must she get in the third term to get an exact passing average of 75?

*Tuesday, November 6, 2012 by Milen*

**math**

the manager of a starbucks store plans to mix A grade coffee that cost 9.50 per pound with grade B coffee that cost 7.00 per pound to create a 20 pound blend that will sell for 8.50 a pound. how many pounds of each grade coffee are required?

*Tuesday, October 30, 2012 by faye*

**5th grade math word problems**

Frank saved 50% by purchasing his airline ticket early. His wife paid full price. If their total was $294 how much was Franks's ticket only? Can someone please explain this to me in 5th grade terms.

*Wednesday, October 24, 2012 by Anonymous*

**business statics**

a random sample of the grade of 78 students is taken. what is the probability that the average grade will be between 80.3% and 82.3%?

*Sunday, October 21, 2012 by kenneth*

**Math**

Jessieâ€™s average grade in Algebra for the first two terms is 73.5. What grade must he get in the third term to have an average of 75?

*Wednesday, October 17, 2012 by Milen*

**Math**

Sum of4th and the 6th terms of an a,p is 42 . While the sum of the 3rd and 9th terms of the same a.p is 52. Find the (a) first term (b)common difference (c) sum of the first ten terms of the progression. Solution

*Sunday, October 14, 2012 by Terfa sakaa*

**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 by mom*

**3rd Grade Math**

There are 25 students in Mrs. Roberts 3rd grade class. There are 9 more boys than girls in the class. How many boys and girls are in Mrs. Robert's class? How can I explain this to my 8yr old in 3rd grade? I've got myself so confused in the process of trying to figure ...

*Tuesday, October 2, 2012 by Lisa*

**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 by dan*

**math**

find the 3rd multiple of 100, the 4th multiple of 10,and the 9th multiple of 4

*Sunday, September 23, 2012 by kaci*

**math,social studies and heaalth**

I am in middle school and I want to know what my grade point average is. Do you know any websites where I can calculate my grade point average. Thanks.

*Wednesday, September 19, 2012 by Yog*

**physics**

A car coasts (engine off) up a 30 degree grade. If the speed of the car is 25m/s at the bottom of the grade, what is the distance traveled by the car before it comes to rest?

*Sunday, September 16, 2012 by Lorraine*

**Database**

Following report shows a grade report that is mailed to students at the end of each semester. Prepare an E-R diagram reflecting the data contained in the Grade Report. Assume that each course is taught by one instructor. MILLENIUM COLLEGE GRADE REPORT FALL SEMESTER 199X NAME: ...

*Sunday, September 16, 2012 by alhaji*

**Database**

Following report shows a grade report that is mailed to students at the end of each semester. Prepare an E-R diagram reflecting the data contained in the Grade Report. Assume that each course is taught by one instructor. MILLENIUM COLLEGE GRADE REPORT FALL SEMESTER 199X NAME: ...

*Saturday, September 15, 2012 by alhaji*

**7th grade science**

I did my calculations wrong and now Im going to get a bad, bad, bad grade on my lab report I need to know what how to find the highth and width and radius of several things are help me plz!!!!

*Saturday, September 15, 2012 by Olyvia*

**7 th grade math**

hey i need to new what it the answer for this question 35 fewer than 168 and this is 7 th grade math so plz tell me thanx

*Monday, September 10, 2012 by liliana hernandez*

**geography**

which country is the biggest (mongolia,china,southkorea,north korea,japan? p.s. i am 8 yaers old and going to 4th grade so use 4th grade words so thank you but no thanks to the geeks. sincerely, cesia xoxo

*Tuesday, August 21, 2012 by cesia*

**3rd grade math**

I CANNOT BELIEVE THIS IS A THIRD GRADE WORKSHEET! THIS IS SOO INAPPROPRIATE. THEY HAVE NEVER DONE LONG DIVISION OR REMAINDERS & THERE IS ONE WEEK OF SCHOOL LEFT & THIS IS WHAT THE TEACHER HANDS OUT.....86 DIVIDED BY 9, 17 DIVIDED BY 3, 73 DIVIDED BY 8 ! HOW MANY FLUID OUNCES ...

*Tuesday, May 29, 2012 by Trey*

**math**

mike has an average of 89 on the five tests he has taken so far this semester. what grade must mike earn on the next test to raise his average grade exactly to 90?

*Tuesday, May 29, 2012 by keke*

**Earth Science**

If you started with 100 grams of Potassium-40 how much would reamin Potassium-40 after 3.9 x 10 to the 9th years?

*Friday, May 25, 2012 by Donna*

**Math**

first three terms of a geometric sequence are the same as the 1st, 9th and 11th terms of an arithmetic sequence, respectively. What is the common ratio in the geometric sequence ? Thanks!

*Saturday, May 12, 2012 by Matthew*

**English**

WFE question in 9th chap agust say that women be problem, telling "it must be full moon" it actually be women or august that be problem? i not get this one

*Thursday, May 10, 2012 by Mohammad*

**Utech**

The 9th term of an Arithmetic Progression is 8 and the 4th term is 20. Find the first term and the common difference.

*Tuesday, May 1, 2012 by Jennifer*

**calculus**

1. A hill with a 35 degree grade (incline with horizontal) is cut down for a roadbed to a 10 degree grade. If the distance from the base to the top of the original hill is 800 ft., How many vertical ft will be removed from the hill rounded to the nearest ft

*Monday, April 30, 2012 by Nolan*

**science fair**

I need a science fir project!! I looked on a thousand of websites online but they give no interesting idea. I am in 6th grade and i need something at a 6 grade level that is easy a science fair project that is do in 1 week. i am in 6 grade and i don't need experiments ...

*Thursday, April 26, 2012 by Aisha*

**6th grade credits**

how many credits does a 6th grader in oklahoma need to pass into 7th grade?

*Thursday, April 12, 2012 by ♥rebelâ€¢stupidity=kathy*

**English**

Writeacher, I used one of the website you suggested to me. I made a few changes and I need your revision. In particular question 2 1) What is Siem Reap like and why do most people visit Siem Reap? (It is a small town near the world famous... People visit it because it is a ...

*Monday, April 2, 2012 by Matthew*

**7th grade math**

My friend is in the 7th grade and broke his wrist so he cannot type. Wat is the square root of pi.He said he knows pi=3.14 but he doesn't know how to work it out. He said thanks.

*Monday, March 5, 2012 by running.from.myself*

**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 by tim*

**Spanish-9th gradePlease check**

I have a question-I have to write the verb correctly for these two sentences Did I do them correctly? 1. nosotros/lavarnos Nosotros nos lavamos. 2. yo/ponerme Yo me pongo.

*Wednesday, January 25, 2012 by Sammy*

**maths**

Given the G.P x,y,15. Find the value of x and y find the 9th term find the sum of the 1st term

*Wednesday, January 25, 2012 by Allwell*

**9th gradae physical science**

teh density of copper is 8.92 g/cm3. If you plotted the mass of copper in grams versus the volume in cubic centimeters, what would the slope of the line be?

*Friday, January 20, 2012 by allie*

**Math**

What equation do I use to find out what I need to get on my exam to pass my class. I have a 65.9% and the exam is 20% of my grade....if you need any additional information let me know..... also a passing grade is 59.5

*Tuesday, January 17, 2012 by Christine*

**physics**

calculate speed of 8.0 times 10 to the 4th kilogram airliner with a kinetic energy of 1.1 times 10 to the 9th jewles

*Saturday, January 7, 2012 by mary*

**Question**

Will these clubs below help me get into one of these colleges: 1. Illinois state university school of arts 2. Yale University School of Arts 3. The Illinois Institute of Art â€” Chicago 9th Grade Club â€¢ Epiphany (Literary Magazine) â&#...

*Friday, December 30, 2011 by Lauren*

**math**

looking at a number sequence, I am being asked what the 9th term in the sequence is. I would like to know the definition of the word "term".

*Monday, December 19, 2011 by michael*

**math**

If I have a 66% in algebra Android we took a exam that's worth 20% of our grade Android I got a 54% on the multiple choice what would my average grade be?

*Wednesday, December 14, 2011 by madison*

**math**

Find the 265th term of an arithmetic sequence whose second term is 5/8 and whose 9th term is 71/24 pls help asap

*Friday, December 9, 2011 by Alicia*

**8th Grade**

Me and my friend are making our own 8th grade binder, you know like writing down planns for our 8th grade year. Here are the sections: - To-Do-List - Doodles (if you are bored) - Projects that are do (school plans) - Graduation Plans (speech, to-do-list, etc.) - Dates for ...

*Monday, December 5, 2011 by Laruen*

**AP Calculus**

The 9th term of an arithmetic progression is 4+5p and the sum of the four terms of the progression is 7p-10, where p is a constant. Given that common difference of the progression is 5, find the value of p.

*Wednesday, November 30, 2011 by Watermelon*

**- Math**

John Receive a 10,000 loan, with an interest rate of 6 %, for 6 years. What is the principal amount paid on the 6th through 9th payments?

*Monday, November 28, 2011 by Anonymous*

**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 by Laruen*

**Economics**

Im trying to figure out my grade what would i need to get a c average in the class;39%,of my grade is is based on 3 assignments(i got so far 62%,80%,haven't done the last assignment yet), 3 exams each worth 20%( i got a 2%,40%, haven't taken the last one) and 1% for ...

*Wednesday, November 16, 2011 by kay*

**Spanish 9th grade**

Are these correct the way I answered them? 1.CuÃ¡l es tu deporte favorito? Mi deporte favorito es el bÃ©isbol. 2. Para ti, Â¿el tenis es mÃ¡s interesante o menos interesante que el fÃºtbol? Para mi, el tenis es ...

*Friday, November 11, 2011 by Trish*

**statistics**

A researcher is investigating whether, on average, 3rd grade males have significantly different creativity scores than 3rd grade females. She samples students from a large school district where she works. What is the independent variable?

*Monday, October 31, 2011 by Anonymous*

**Logic**

Gene will teach 7th grade of Gene will teach 8th grade. If Gene teaches 7th grade, he will be assigned to the Sunset Road School. Gene will carpool with Chris if he is assigned to the Sunset Road School. If Gene teaches *th grade he will have his daughter Briana in his class. ...

*Sunday, October 30, 2011 by John*

**french**

How do I say I am ok with Wednesday 9th November in French?

*Sunday, October 30, 2011 by Michael*

**french**

How do I say I am ok with Wednesday 9th November in French?

*Sunday, October 30, 2011 by Michael*

**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 by Jennifer*

**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 by Jennifer*

**Math**

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.

*Friday, October 21, 2011 by Jen*

**Accounting**

How do I post an adjusted entry for the following: The company prepaid its 9th month rent agreement on 6-1-2010 and prepaid its 6th month insurance policy on 12-1-2010.

*Tuesday, October 18, 2011 by Tasha*

**math**

the 9th term of an AP is 52 while the 12th term is 70.find the sum of its 20th term

*Friday, October 14, 2011 by Anonymous*

**math**

the chess club has 55 members 22 of them are in 6th grade what percent of the club is not in 6th grade

*Wednesday, October 12, 2011 by faith*

**Algebra 2 (Linear Programming)**

The Carbon coal company has 2 mines, a surface mine ad a deep mine. it costs $200 per day to operate the surface mine and $250 to operate the deep mine. Each mine produces a medium grade and a medium-hard grade coal, but in different proportions. This surface mine produces 12 ...

*Tuesday, October 4, 2011 by Peter*

**Algebra**

A roof rises 2.3 feet vertically, and 7.4 feet horizontally. What is the grade of the roof? I do not understand how to even find what the grade would be..can anyone help?

*Friday, September 30, 2011 by Mary*

**College**

Is Harvard is really the best college ? also what high school grades are require to get to Harvard ??? When I be a 9th grader will they prepare me for SAT ???

*Thursday, September 29, 2011 by Kim*

**7 th grade math**

if all my grades are above an 80 how will a 38 affectn my grade.

*Thursday, September 22, 2011 by allie bartton*

**programming**

2-5 Grade Determination is says " Write a program that will input three test scores. the program should determine and display their average. the program should then display the appropriate letter grade based on there average. the letter grade should be determined using a ...

*Wednesday, September 21, 2011 by Jimmy*

**English**

I tried to summarize briefly Scotland's history. Can you please have a look at it? Which form is correct: in 9th century/in the ninth century? 6th century (AD): 500-599 (is it correct?) 9th century (AD): 800-899 10th century: 900-999 1) The first inhabitants of Scotland ...

*Monday, September 5, 2011 by Henry2*

**Math**

Hey umm what do you learn in the 5th grade math??? This is for my brother cause he is going to the 5th grade.

*Sunday, September 4, 2011 by Gen*