Thursday
March 30, 2017

How do you solve 41/2-1/4=?
Sunday, January 20, 2013 by beka

Science
What are 6th grade examples of negative feedback mechanism?
Thursday, January 17, 2013 by jonah

Draw a model to show 84/12=7
Wednesday, January 16, 2013 by johnathan

IF C=2M+D THEN M=
Tuesday, January 15, 2013 by KIM

math
Tuesday, January 15, 2013 by janiah

Discuss society's tendency to fear the unknown.
Thursday, January 10, 2013 by George Bishop

2x^2+5x+2
Thursday, January 10, 2013 by Nicole

solve each equation. Check your solution. 1) 7 2 -X = - 3 3 2) 2 1 7c- - = - 3 2
Wednesday, January 9, 2013 by Dingbat

math
whats 4(2/3) im in 8th grade and i don't understand
Tuesday, January 8, 2013 by diana martinez

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 by tony

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 by tony

math
Saturday, January 5, 2013 by devon

maths --.
If sin theeta=3/5 , cos alpha= -12/13 and theeta,alpha both lie in 2nd quadrant,find the value of tan (theeta+alpha).
Monday, December 24, 2012 by Anonymous

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 by BaileyBubble

ECC
When do parents start to socialize their children in earnest? 1) The 1st year when babies can interact socially. 2) The 2nd year when toddlers are first able to comply with parental directions. 3) The preschool years when children start formal schooling. 4) Early adolescence ...
Wednesday, December 19, 2012 by Denice

25 cents __?__ 3/10 of a dollar
Monday, December 17, 2012 by Kk

How many 4/5 are in 1 ?
Wednesday, December 12, 2012 by noah

Physical Education
What is the average weight for 8th grade girls?
Sunday, December 9, 2012 by Maria

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 by TJ

Math challenge
There are 3 circles divided into thirds with a number in each third. The 1st cirlcle has 18, 23 & 49. 2nd cirlce has 25, 62, 38. The 3rd cirlce has ?, 17 & 39. We need to figure out what number is missing from the 3rd circle, and how you figured it out.
Thursday, December 6, 2012 by Gabby

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 by Jerald

Math
Please help! How do I find the mean weight of 2 groups of 100 kids... 1st grp mean weight is 55.7lbs and 2nd grp mean weight is 42.6lbs.
Wednesday, December 5, 2012 by Damon

what is a word problem for 4.23x10
Wednesday, December 5, 2012 by kaitlyn

what does y=x
Tuesday, December 4, 2012 by sally

English
For english class, I have to read a biography/autobiography of an author and then read two of the author's books that have been influenced by their real life. I chose F. Scott Fitzgerald as my author. I want to read The Great Gatsby as one of the books, but I'm not sure which ...
Tuesday, December 4, 2012 by Ceci

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 by amanda

What are the pros and cons to democracy? Thank you.
Thursday, November 29, 2012 by Donnie

how do you divide 1/4 by 1/2? please tell answer and explain
Thursday, November 29, 2012 by Anonymous

If you rotate a clock clockwise 90° from 3:00, what will it be?
Thursday, November 29, 2012 by rawr... im a dinosaur.... rawr

i need help
Tuesday, November 27, 2012 by jacob

HOW MANY TIMES MORE IS 2000 THAN 20?
Tuesday, November 27, 2012 by frank

calculus
A multistoried building has a floor area of 2,000 square feet on the ground floor, 1,995 square feet on the 1st floor, 1,990 square feet on the 2nd floor, and so on. If the areas of the higher floors follow this sequence, what is the expression to calculate the area of the nth...
Tuesday, November 27, 2012 by Chelsy

Down is to dive as up is to ____________?
Monday, November 26, 2012 by Caleb

computing extrapolation
Derive the central difference approximation for f''(x) accurate to O(h^4) by applying Richardson extrapolation to the central difference approximation of O(h^2). where f'' = 2nd derivative of x
Saturday, November 17, 2012 by ryan

English 8R - help!!!!!
Thursday, November 15, 2012 by Laruen

How can I do distributtive property to break apart each multiplication 5*13=5*(6+_)=(5*_)+(_*7)
Thursday, November 15, 2012 by Jamila

computing/maths
Derive the central difference approximation for f′′(x) accurate to O(h4) by applying Richardson extrapolation to the central difference approximation of O(h2). (Note that f''(x)= 2nd derivative of x)
Sunday, November 11, 2012 by royston

What does this sign mean "| |"
Monday, November 5, 2012 by luv history

What does this sign mean "| |"
Monday, November 5, 2012 by luv history

What are the Atlantic Provinces?
Friday, November 2, 2012 by rawr... im a dinosaur.... rawr

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 by Laruen

Point S is the midpoint of RT. compplete the statement: ST = 11 in., RT = __
Saturday, October 27, 2012 by rawr... im a dinosaur.... rawr

It is possible to estimate the length of a line. True?
Friday, October 26, 2012 by rawr... im a dinosaur.... rawr

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 by Milen

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 by Ashley S

what is 234(2-1+1092-924+18) ?
Thursday, October 18, 2012 by allie

English ms. sue
ms. sue for the book catcher in the rye i am being ackley describing holden, and i choose the 2nd incident when holden goes to ackleys room that one night after getting socked from stradlater. i not know what be a good title for this creative writing thing?
Sunday, October 14, 2012 by Mohammad

A proportion is shown below. 7/10 = 17.5/x What is the value of x?
Sunday, October 14, 2012 by Lauren

what the rule for 58,-2
Sunday, October 14, 2012 by Monta

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 by sarah

Linear Algebra
1. Considering 2 planes with equations: x + 2y - 3z = 1 x + 2y - 3z = 18 (a) Given (a,b,c) a point on the first plane, find the point where the line perpendicular to both planes passes by (a,b,c) and through the 2nd plane.
Wednesday, October 10, 2012 by Ben

Linear Algebra
1. Considering 2 planes with equations: x + 2y - 3z = 1 x + 2y - 3z = 18 (a) Given (a,b,c) a point on the first plane, find the point where the line perpendicular to both planes passes by (a,b,c) and through the 2nd plane.
Wednesday, October 10, 2012 by Ben

7th Grade x y input output tables
i need help with x and y input output tables for 7th grade i don't 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 by Sadie

How do you find the properties of addition?
Tuesday, October 9, 2012 by Penny

ELEMENTARY
How to prepare PSAT test from 3rd grade
Monday, October 8, 2012 by josh

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 by Tesa

Intergated chemistry/physics
A 10 pound bowling ball with a speed of 2.0 meters/second hits a 6 pound bowling ball. If the 10 pound bowling ball stops after the collision, what is the resulting speed of the 2nd ball in meters/second
Thursday, October 4, 2012 by Laura

11/12 + (-2/3) = ?
Wednesday, October 3, 2012 by Delilah

7th grade fraction subtracting ms. sue help asap
10 5/18 – 8 5/6 (1 point) 2 5/9 2 13/18 1 4/9 1 11/18
Wednesday, October 3, 2012 by Delilah

10(square root400 - 15) 10(20-15) 10(5)= 50 would this be correct?
Tuesday, October 2, 2012 by jill

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 by lhyza

so is it okay if you explain to me why we multiply first and then divide???
Monday, October 1, 2012 by catalina

THINK OF ALL THE WAYS TO BREAK 10 X 6?
Monday, October 1, 2012 by DENISE

math
Tuesday, September 25, 2012 by erickka

math
an object released from rest will fall 16t^2 feet, t seconds after it is dropped. 2 pebbles are dropped, one after the other, from a cliff that is 64 feet high. the 2nd pebble is released the instant the first pebble has fallen exactly one foot. how far above the ground is the...
Monday, September 24, 2012 by dan

what does the |#| mean? Thanks
Sunday, September 23, 2012 by luv history

Simplify: |15|
Sunday, September 23, 2012 by need help

What is absolute value?
Sunday, September 23, 2012 by luv history

Physics
A) Gravity pulls an area of wet soil and rock downward in a landslide B) An ... Many people know that the weight of an object varies on different planets, but did ... If the Earth's gravitational force causes a falling 74 kg student to accelerate .... the acceleration of ...
Sunday, September 23, 2012 by ray

9,000+600+50+4 in standard form
Wednesday, September 19, 2012 by yasmine

Chemistry- rate laws
CH3CHO decomposes into methane gas and carbon monoxide gas. This is a 2nd order reaction. Rate of decomposition at 140 degrees Celsius is .10M/s when the concentration of CH3CHO is .010. What is the rate of the reaction when the concentration of CH3CHO is .50M? Have not been ...
Tuesday, September 18, 2012 by Nancy

I have 5 ones and 19 hundredths. What number am I?
Monday, September 17, 2012 by Angie

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 by dad pulling out his hair

What is porosity and permeability? Thanks
Sunday, September 16, 2012 by Allison

What is a A topographic map used for? thanks
Sunday, September 16, 2012 by Allison

What is the difference? |-9| - |13| =? A)-22 B)-4 C)4 D)22
Sunday, September 16, 2012 by Lauren

9 + x = 17 I know that x=8 but how did you get it Thanks
Friday, September 14, 2012 by some girl

What is base measurement? thanks
Friday, September 14, 2012 by some girl

(-13) + (-1)
Friday, September 14, 2012 by Lauren

writing
who knows any 5th grade transition words?
Wednesday, September 12, 2012 by jessica

f + (–15) = –32
Tuesday, September 11, 2012 by Allison

math
I'm in sixth grade What is the value of |–46| ?
Monday, September 10, 2012 by Allison

math
y – (–19) = 25 i'm in sixth grade
Monday, September 10, 2012 by Elizabeth

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 by Laruen

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 by Laruen

For whom do members of the JVC work?
Wednesday, September 5, 2012 by Madison

jvc what year was the organizaion founded?
Wednesday, September 5, 2012 by Madison

Math
A year on Mars is 686 Earth Days. (1) Which is longer, a year on Mars or a year on Earth? (2)By how many weeks is it longer? Submit two answers. Please explain how you got the answers. My 1st answer was Mars the 2nd answer I 82 1/2 weeks. Please help
Wednesday, September 5, 2012 by Nakia

Which is more 0.33 or 0.333?
Tuesday, September 4, 2012 by Colby

-6(2r-4)
Tuesday, September 4, 2012 by nic

what is 13/16 minus 1/4?
Tuesday, September 4, 2012 by Al

Johan
Given angle 1 = (x + 7)degree, angle 2 = *(2x -3)degree, angle ABC = (x 2nd power) degree, angle D = (5x - 4)degree. Show that angle ABC congruent to angle D I can't seem to solve this?
Tuesday, September 4, 2012 by Sia

Microeconomics
When you golf, you receive 18 units of pleasure from the first hole and on each hole thereafter your pleasure drops by one unit, so that the 2nd hole gives you 17 units of pleasure etc. If you play 5 holes and the rain hits so that you quit playing, what is the total pleasure...
Monday, September 3, 2012 by Robson

what is the
Monday, September 3, 2012 by simia

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 by John