Wednesday

July 23, 2014

July 23, 2014

Post a New Question | Current Questions

**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*

**dma040**

42inch board is cut into 3peices. Peice 2 is twice as long as the 1st & 3rd peice. Peice 3 is three times as long as peice 1. What are the lengths of all 3 peices? Pc 1 Pc 2 Pc 3
*Monday, September 16, 2013 at 10:13am*

**dma 040**

42 inch board is cut into 3 pieces. Piece 2 is twice as long as the 1st & 3rd piece. Piece 3 is three times as long as piece 1. Find inches of all three pieces
*Saturday, September 14, 2013 at 10:42pm*

**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*

**Money and Banking**

1. A firm uses capital to produce revenue. The marginal revenue from the first 5 units of capital is as follows: 1st unit has MR 2.30, 2nd unit has MR 1.9, 3rd unit has MR 1.70, 4th unit has MR 1.35, and 5th unit has MR 1.15. If the interest rate is 50%, what is the optimal ...
*Sunday, September 8, 2013 at 6:37pm*

**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*

**Statistics**

There is a $2 raffle with a first prize of $10000, a second prize of $500, and a 3rd prize of $100. If 1000 tickets are sold find the expected value. How much should the raffle ticket cost to make this a fair game?
*Sunday, July 28, 2013 at 10:38pm*

**PHYSICS**

An arrangement of 3 blocks A ,B,C such that block A of mass 5 kg is over block B of 6 kg, with a friction between them of 0.8. both the blocks are connected to the 3rd block C of mass m by a string and frictionless pulley. Now to find at what value of m will both pulley A and ...
*Friday, July 12, 2013 at 1:33pm*

**math**

Jane uses a jar to save her money. She saves $10 from her weekly allowance in the 1st week, $12 in the 2nd week, $14 in the 3rd week, and so on. How much money will she have saved in 10 weeks?
*Friday, June 21, 2013 at 9:33am*

**GEOMETRY **

How to solve for x in geometry ? for example - there is a line segment with 3 points first point to the second point is 3x while second point to the third is 5 and below the line segment there is a bracket, it is named 14 . it starts from the 3x to 5 ( it ranges from the first...
*Wednesday, June 12, 2013 at 4:58am*

**English Pls Ms. Sue help me by checking my work**

Please replace the incorrect words with correct words in the following sentences using AP Style. There may be more than one error per sentence; all sentences contain at least one error. Use correct AP style, punctuation, grammar and spelling errors.) 11. Original: More than ...
*Monday, June 10, 2013 at 6:36am*

**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*

**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*

**statistics**

The manager of a local gym has determined that the length of time members spend at the gym is a normally distributed variable with a mean of 80 minutes and a standard deviation of 20 minutes. What proportion of members spend less than 55 minutes at the gym? Use the standard ...
*Friday, April 26, 2013 at 5:30am*

**?**

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*

**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 at 2:35pm*

**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 at 10:27am*

**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 at 10:22am*

**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*

**7th grade math**

There are 150 students in 7th grade. After signing up for electives for next year, the counselor posted the following data: Art - 65 students Band - 70 students Theatre - 50 students Not all students signed up for an elective. Display this data using Venn Diagrams. I do not ...
*Saturday, April 6, 2013 at 7:24pm*

**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*

**mathematics**

the 1st term of arithmetic series is 2 .the 1st ,3rd and 11th terms are the first the terms of a geometric series. find the 6 terms of the arithemetic series
*Thursday, March 14, 2013 at 10:54pm*

**Math**

I have 5 friends. I bought three pizzas (all the same size). One was divided into 4 equal parts, the 2nd was divided into 6 equal parts and the 3rd pizza was divided into 8 equal parts. Is there any way I can show how to share these pieces so that each of of us gets the same ...
*Tuesday, March 12, 2013 at 6:55pm*

**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*

**Physics**

A stationary bomb of 10kg mass explodes into 3 fragments. two of these parts having mass 4kg and 2kg,fly apart perpendicular to each other with a velocity of 2ms-1 and 3ms-1.find magnitude and direction of 3rd part.
*Saturday, March 9, 2013 at 1:45am*

**Physics**

A stationary bomb of 10kg mass explodes into 3 fragments. two of these parts having mass 4kg and 2kg,fly apart perpendicular to each other with a velocity of 2ms-1 and 3ms-1.find magnitude and direction of 3rd part.
*Saturday, March 9, 2013 at 1:45am*

**Math(problem solving)**

Four darts are thrown at this dartboard. If all four darts hit the board, how many different point totals are possible? there are 4 circles with point totals: working out from the middle bulls eye.. bulls eye = 9 2nd circle = 7 3rd circle = 4 outter circle = 1 please help, i&#...
*Wednesday, March 6, 2013 at 6:10am*

**3rd grage math**

there are 6 teams in the youth basketball league. during the season, each team plays 15 games.how many total quarters of basketball are played in all of the teams games during the season.
*Tuesday, March 5, 2013 at 5:50pm*

**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*

**albebra**

a cubic millimeter of the blood contains 22 to the 3rd power of white blood cells and 22 to the 5th power of red blood cells What is the ratio of whiteblood cells to red blood cells?
*Monday, February 18, 2013 at 8:14pm*

**Math on graphs**

If 30 3rd graders owned birds, how many third graders were surveyed? Reptiles 5% Birds 5% Fish 10% Cats 35% Dogs 45% I did 5% of 30 = .05 x 30 = 1.5 30/1.5 = 20 third graders BUT I am thinking I am doing something wrong? Where did I go wrong? Should it be 30/.05 = 600 students...
*Thursday, February 14, 2013 at 11:57pm*

**Math help**

If 20 3rd graders owned birds, how many third graders were surveyed? Reptiles 5% Birds 5% Fish 10% Cats 35% Dogs 45% I did 5% of 30 = .05 x 30 = 1.5 30/1.5 = 20 third graders BUT I am thinking I am doing something wrong? Where did I go wrong? Should it be 30/.05 = 600 ...
*Thursday, February 14, 2013 at 11:15pm*

**FInance**

Assume that you have $10,000 which you plan to invest for 3 years. How much more would you have if you invested the funds at 10% with annual compound interest versus 10% with simple interest? No funds will be paid until the end of the 3rd year.
*Thursday, February 14, 2013 at 10:08pm*

**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*

**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*

**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*

**Maths**

Thato caught 4 snails and placed them all in the same small circle on the ground and organised a race......1st snail travelled 24cm in 4minutes,2nd snail travelled 35 cm in 7minutes,3rd snail travelled 33cm in 5minutes and the 4th snail travelled 39cm in 6minutes..... (1)how ...
*Wednesday, February 6, 2013 at 6:32am*

**maths**

A man borrows Rs 18000 at 5% per annum compound interest .If he repays Rs 6000 at the end of the first year and Rs 8000 at the end of the second year; how much should he pay at the end of the 3rd year in order to clear the account?
*Monday, February 4, 2013 at 6:03am*

** 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*

**American History**

docs(DOT)google(DOT)com/file/d/0B3_sydO5xXRZOUpwTVZIbUdvNXM/edit I have to write a childrens book(3rd-4th grader) for a history project. I have to somehow incorperate/represent the cold war, containment, truman doctrine, domino theory, and korean war. I don't even ...
*Thursday, January 24, 2013 at 1:28am*

**9TH GRADE MATH**

IF C=2M+D THEN M=
*Tuesday, January 15, 2013 at 5:43pm*

**math 7 th grade asap **

6(b-4)=
*Monday, January 14, 2013 at 10:03pm*

**9th grade algebra**

2x^2+5x+2
*Thursday, January 10, 2013 at 9:24pm*

**maths**

A monkey ascends a greased pole 30 m. high. He ascends 3 m. in Ist minute and descends 1m. in the next minute, again ascends 3m. in 3rd minute, but descends 1m. in 4th min and so on. In what time he reached the top?
*Tuesday, January 8, 2013 at 10:17am*

**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*

**maths**

A monkey ascends a greased pole 30 m. high. He ascends 3 m. in Ist minute and descends 1m. in the next minute, again ascends 3m. in 3rd minute, but descends 1m. in 4th min and so on. In what time he reached the top?
*Monday, January 7, 2013 at 6:59am*

**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**

A curve has equation y= 2 + x - x^2. Find coordinates of 3 unknown points on the line. 1st point is at negative x, y value. 2nd point is at x=0 and y is positive. 3rd value is at y=o and x is positive.
*Sunday, December 9, 2012 at 3:16pm*

**Math**

Elsa had a rubber disc that was red on one side and blue on the other. She tossed this disc 3 times. Draw a diagram showing all the possible outcomes she could get in 3 tosses of the same rubber disc 1st toss can be red or blue 2nd toss can be red or blue and 3rd toss can be ...
*Thursday, December 6, 2012 at 7:21pm*

**math 6th grade**

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

**math**

A Caribbean cruise is offered if the average quarterly sales for just the 3rd and 4th quarters is $120,000, what is the 4th quarter? How do you divide two quarters to get the average? Thank you in advance. Edna
*Tuesday, December 4, 2012 at 12:19pm*

**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*

**Physics - Astronomy**

A hypothetical moon is orbiting Saturn in a circular orbit that has exactly 3 times the period that an object orbiting in one of one of the gaps in Saturn's rings would have. As measured from the center of Saturn at what fraction [to 3 decimal places] of that moon's ...
*Thursday, November 15, 2012 at 12:48am*

**college physics**

A 3rd baseman is throwing a ball to 1st base which is 39.0m away. It leaves his hand at 38.0m/s at a height of 1.50m from the ground and makes an angle of 20 Degrees. How high will it be when it gets to 1st base.
*Tuesday, October 30, 2012 at 5:38pm*

**Math 8R: Homework Check - Part 3 **

Part 3 : Evaluate when x = -2, y = 5 21. 4x + 2y, Answer: 2 22. 3(x) *to the 3rd power*, Answer: -221 23. (x + y) *to the 2nd power*, Answer: 9 24. -4x + 2y, Answer: 18 Please check to see if my answers are correct. Thank You!!! :)
*Monday, October 29, 2012 at 2:31pm*

**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 at 2:40pm*

**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**

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 at 4:28am*

**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*

**math**

an altitude of triangle is 5/3rd of the length of its corresponding base if their altitude be increased by 4cm and the base is decreased by 2cm, the area of the triangles remain the same. find the base and altitude of triangle ?????
*Sunday, October 7, 2012 at 2:56am*

**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*

**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*

**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*

**Arithmetic Progression**

In an AP the 6th term is half the 4th term and the 3rd term is 15. a. Find the fist term and the common difference. b. How many times are needed to give a sum that is less than 65?
*Monday, September 17, 2012 at 2:49am*

**math**

A piano manufacturer has a daily fixed cost of $1200 and a marginal cost of $1500 per piano. Find the cost C(x) of manufacturing x pianos in onde day. Use your function to answer the following questions: a)On a given day, what is the cost of manufacturing 3 pianos? b)What is ...
*Saturday, September 15, 2012 at 11:23pm*

**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**

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

**Math 8R - HW Qs. Check**

Topic - Logic In the clues below, each variable represent a different digit ranging from 0-9. Determine what digit each variable represent g+g+g = d (3+3+3 = 9) j+e = j (2+0 = 2) g (to the 3rd power) = d (3, to the 2nd power = 9) b+9 = d (6+3 = 9) f-b = c (7-6 = 1) i+h = a ...
*Sunday, September 9, 2012 at 4:35pm*

**Math 8R - HW Qs. Check**

Topic - Logic In the clues below, each variable represent a different digit ranging from 0-9. Determine what digit each variable represent g+g+g = d (3+3+3 = 9) j+e = j (2+0 = 2) g (to the 3rd power) = d (3, to the 2nd power = 9) b+9 = d (6+3 = 9) f-b = c (7-6 = 1) i+h = a ...
*Sunday, September 9, 2012 at 2:04pm*

**3rd math**

okay Math genius! Help me out here. I am a number greater than 99 and less than 1,000. Two of my digits that aren't next to each other are the same. My tens digit could not be greater and it is 1 more than my hundreds digit. What number am I?
*Thursday, September 6, 2012 at 7:08pm*

**7th grade math**

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

**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*

**Lockers**

I'm starting middle school and during the orientation they let us try out our lockers with our combination. I couldn't open it so my parents just told me that I would learn during school. It's the 3rd day and I still can't open it that good. Can anyone help me? D:
*Wednesday, August 29, 2012 at 6:53pm*

**algebra**

Tony went to the racetrack with $80. He won $15 on the 1st race, lost $12 on the 2nd, lost $6 on the 3rd and won $8 on the 4th. How much money did he have after the 4th race.
*Tuesday, August 28, 2012 at 6:58am*

**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*

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