Tuesday

April 21, 2015

April 21, 2015

**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*

**Can someone help me?!**

The 1st, 5th and 13th terms of an arithmetic sequence are the first three terms of a geometric sequence with a common ratio 2. If the 21st term of the arithmetic sequence is 72, calculate the sum of the first 10 terms of the geometric sequence.
*Thursday, January 3, 2013 at 6:06pm*

**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*

**Chemistry**

Can someone help me identify the functional groups and what the chiral carbons are? NOTE: THE LAST C HAS A DOUBLE BOND POINTED UPWARDS CONNECTED TO O. SORRY I TRIED MAKING IT AS CLEAN AS I CAN. STARTING FROM LEFT TO RIGHT THE 2ND C HAS A NH3 ATTACHED. THEN NUMBER 3 HAS A CH2-O...
*Wednesday, December 19, 2012 at 10:28pm*

**maths**

A building is in the form of a cylinder surmounted by a hemispherical vaylted dome and contains 1144/21 m3 of air. If the internal diameter of the dome is equal to 4/5th of the total height above the floor, find the height of the building
*Wednesday, December 19, 2012 at 6:50am*

**3rd grade math **

25 cents __?__ 3/10 of a dollar
*Monday, December 17, 2012 at 6:51pm*

**7 th grade math**

How many 4/5 are in 1 ?
*Wednesday, December 12, 2012 at 10:05pm*

**math**

Patsy has cheerleading practice on every fourth school day. She wants to be in the school play, but they have practice on every sixth school day. If both started on September 5th, what would be the first date that she has to choose between cheerleading and play practice? I ...
*Wednesday, December 5, 2012 at 10:00pm*

**Math word problem **

Patsy has cheerleading practice on every fourth school day. She wants to be in the school play, but they have practice on every sixth school day. If both started on September 5th, what would be the first date that she has to choose between cheerleading and play practice? I ...
*Wednesday, December 5, 2012 at 9:33pm*

**English**

Read the sentence add missing exclamation marks, question marks or periods John lives at 5044 Colonial Dr John lives at 5044 Colonial Dr. Did Dr Brown talk to you before class Did Dr.Brown talk to you before class? Have you learned about Dr Martin Luther King Jr Have you ...
*Wednesday, December 5, 2012 at 6:32pm*

**Physic**

1. Water at a pressure of 3.00 x 10 5th Pa flows through a horizontal pipe at a speed of 1.00 m/s. The pipe narrows to one-fourth its original diameter. What is the speed of the flow in the narrow section? Not sure was successfully posted
*Wednesday, December 5, 2012 at 12:02pm*

**computers**

1. Water at a pressure of 3.00 x 10 5th Pa flows through a horizontal pipe at a speed of 1.00 m/s. The pipe narrows to one-fourth its original diameter. What is the speed of the flow in the narrow section?
*Wednesday, December 5, 2012 at 11:38am*

**math 6th grade**

what does y=x
*Tuesday, December 4, 2012 at 11:51pm*

**maths**

the sum of 3rd and 5th terms of an a.p is 38 and sum of 7th and 10th terms of an a.p is 83,find the a.p. please help all questions please help please.
*Monday, December 3, 2012 at 6:43am*

**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*

**Math**

Patsy has cheerleading practice on every fourth school day. She wants to be in the school play, but they have practice on every sixth school day. If both started on September 5th, what would be the first date that she has to choose between cheerleading and play practice? ...
*Friday, November 30, 2012 at 4:28am*

**5th grade Language Arts**

Thanks Ms. Sue! I have other sentences I would like to try to get right. 1. Mr. Morton, the best reading teacher in the world, taught me sentence structure. Complex: Mr. Morton taught me sentence structure = indep & best reading teacher in the world = dep 2. I left early so ...
*Monday, November 26, 2012 at 5:25pm*

**math 121**

Henry will reject a cookie with less than 8 raisins.In the past, one out of every 100 cookies had less than 8 raisins. Find theprobability that the first cookie Henry rejects is the 5th cookie on the line.
*Tuesday, November 20, 2012 at 1:59pm*

**math**

the sum of two numbers is 42 their prodcut is 185 what are the two numbers. Need to know how to get the answers for a 5th grader
*Wednesday, November 14, 2012 at 11:43pm*

**math**

do not know how to get answer on kathleen spent $30.50 on two shirts. One shirt cost $3.50 more than the other. How much did each shirt cost?How do you get the answer for X +X+3.50 = 30.50. Trying to explain how to get answer to a 5th grader.
*Wednesday, November 14, 2012 at 11:01pm*

**math**

do not know how to get answer on kathleen spent $30.50 on two shirts. One shirt cost $3.50 more than the other. How much did each shirt cost?How do you get the answer for X +X+3.50 = 30.50. Trying to explain how to get answer to a 5th grader.
*Wednesday, November 14, 2012 at 10:48pm*

**5th Gr Math**

Mikail used 220 inches of wire to make this figure. The figure is made up of 2 indentical triangles, a 15 inch by 12 inch rectangle & a square of side 19 inches. What is the length of 1 side of each triangle if all the sides of the triangles are equal in length?
*Monday, November 12, 2012 at 5:47pm*

**6th grade math**

What does this sign mean "| |"
*Monday, November 5, 2012 at 8:36pm*

**6th grade math**

What does this sign mean "| |"
*Monday, November 5, 2012 at 8:29pm*

**Geo- 7th Grade**

What are the Atlantic Provinces?
*Friday, November 2, 2012 at 9:12pm*

**math**

if 400 customers come to a grand opening and every 5th customers receives a coupon for jeans and every 7th customers receives a coupon for a free sweater. how many customers will leave with both
*Thursday, November 1, 2012 at 10:35pm*

**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*

**Math**

A certain computer can perform 10 to the 5th power calculations per second. How many calculations can it perform in 10 seconds?
*Thursday, October 11, 2012 at 5:06pm*

**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*

**Science**

How much time is required for reflected sunlight to travel from the Moon to Earth if the distance between Earth and the Moon is 3.85 x 10 to the 5th exponent?
*Monday, October 8, 2012 at 1:58am*

**English**

I'm a 7 Letter Words, You Read me daily, My 5, 6, 7th Letter increases every Year. 3rd and 4th Letter are the Same. My 3rd, 2nd and 5th Letter Covers 75% of the World. What am i?.
*Saturday, October 6, 2012 at 4:03am*

**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*

**Geomatic Sequence**

In a geomatic sequence, the 7th term exceeds the 5th term by 48. Find the first term if the common ratio is 2.
*Monday, October 1, 2012 at 10:59pm*

**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*

**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 **

What is absolute value?
*Sunday, September 23, 2012 at 10:21pm*

**earth**

how long would it take a radio wave with a frequency of 4.3 X10 to the 5th power Hz to travel from Mars to Earth if the distance between the two planets is approximately 8.00 x 10 to the 7th power km?
*Sunday, September 23, 2012 at 7:44pm*

**math 5th**

number puzzles You say this number when you start at 0 and count by 15. You say this number when you start at 0 and count by 25. This number is less than 200. This number is even.
*Wednesday, September 19, 2012 at 10:40pm*

**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*

**6th grade science**

What is porosity and permeability? Thanks
*Sunday, September 16, 2012 at 8:26pm*

**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*

**6th grade math **

What is base measurement? thanks
*Friday, September 14, 2012 at 4:10pm*

**7th Grade Math**

(-13) + (-1)
*Friday, September 14, 2012 at 9:41am*

**math**

randall opened a savings account on June 1st and made the following deposits: $212.19, June 5th $23.03, June 12 $307.15, June 19th $652.00 and June 30, $78.75. Assuming he made no withdrawals, approximately how much did he have in the savings account at the end of the month of...
*Tuesday, September 11, 2012 at 8:28pm*

**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*

**english 3 grade**

aphabet on move words
*Wednesday, August 29, 2012 at 8:31pm*

**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*

**math**

This was on my 5th grader's homework: what is the least number you can make using all of the digits from 0 through 9 exactly once? My answer was 1,023,456,789. The teacher says it's 0,123,456,789. I think that if the zero is the first digit, it's not actually part ...
*Tuesday, August 21, 2012 at 11:02pm*

**Math 5 grade**

3/4 [5/2] The answer would be 15/8. Right?
*Tuesday, August 21, 2012 at 1:04am*

**Personal Finance**

During a job interview Pam Thompson is offered a salary of $2800. The company gives annual raises of 6 percent. What would be Pams salery during her 5th year on the job?
*Sunday, July 15, 2012 at 10:49pm*

**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*

**Physics**

A body covers a distance of 25m in the 5th sec of its motion and 40m in the 8th sec.of its motion. Calc.initial velocity and acceleration.
*Wednesday, July 4, 2012 at 12:43pm*

**Calculus grade 12**

hi i need help differentiating these.. 1. y = cos(3x^2 + 2x) 2. y = ln(3x^2 + 5) thank you
*Thursday, June 21, 2012 at 1:46pm*

**9th Grade Algebra**

4x^2-11x+3=5x+4 How do I solve this?
*Thursday, May 31, 2012 at 2:53pm*

**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*

**Calculus grade 12**

7. Where does the line r = (1, 2, -5) + t (2, -3, 1) meet the plane 2x + 5y - 3z = 6?
*Saturday, May 26, 2012 at 1:27am*

**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*

**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**

Make a model of a rectangular prism that is not a cube and has a surface area of 62 cm squared. What are the measurements of this rectangular prism? I know the formula, is 2ab+2bc+2ac=sa, and I know the answer to this problem... a=5, b=3, and c=2... I did this by trial and ...
*Monday, May 7, 2012 at 10:29pm*

**2nd grade math**

4/6 of 18 is?
*Monday, April 30, 2012 at 5:23pm*

**English Grade 11 College**

I have trouble understanding of this article and how to answer the questions given. I just started new to school in Toronto; I was living in Turkey for Years So I do please to take your time to look and examine my homework. I greatly appreciate your patience and time and ...
*Thursday, April 26, 2012 at 8:54pm*

**math**

pam is offered a salary of 28,000 a year for 30 years with annual raises of 6 % what would be pam's salary during her 5th year on the job
*Thursday, April 26, 2012 at 7:10pm*

**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*

**to ms.sue**

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

**Math 8th Grade**

What is the y-int of the graph of 4x+2y=12
*Tuesday, April 10, 2012 at 10:04pm*

**Math**

If I missed 24 problems out of 40, what is my grade?
*Tuesday, April 3, 2012 at 9:57am*

**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*

**Math**

Barb and tammy shared a sub sandwich, but while Tammy was setting the table, Barb ate 2/5th of it. When Tammy came back, she ate 3/4 of what was left. How much of the sub did Tammy eat? Write a math equation.
*Thursday, March 29, 2012 at 9:04pm*

**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*

**7th grade health**

What does anemic mean?
*Tuesday, February 21, 2012 at 10:47pm*

**math**

Every 5th customer gets $2 off coupon. Every 7th customer gets $5 coupon and every 15th customer get $20 coupon. Some get 2 prizes and a few get all 3 prizes. If 400 customers come in how many people will get prizes? How much money is given out?
*Saturday, February 18, 2012 at 6:46am*

**physics helpppp!! **

The 2nd harmonic of a string of length 40cm and linear mass density 1.11g.m has the same frequency as the 5th resonance mode of a closed pipe of length 1.4m. Find the tension in the string. use 340 for speed of sound
*Thursday, February 16, 2012 at 3:25pm*

**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*