Friday
September 30, 2016

Homework Help: 1st Grade

9th grade algebra
2x^2+5x+2
Thursday, January 10, 2013 by Nicole

math
whats 4(2/3) im in 8th grade and i dont 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

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 by Jm

math
The question is a principal is choosing between field trips. The final cost is $600. The second costs $240 plus $40 per student. For what number of students is the first trip less expensive. I got the 1st trip would be less expensive with more than 9 students. Is this correct...
Sunday, December 30, 2012 by B6

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

physics
2 runners accelerate from rest to their top speeds. The 1st runner pat has an acceleration of 5.9 m/s^2 and reaches her top speed in 4 sec. The second runner steven accelerates at 4.4m/s^2 and takes 6.5 sec to reach his top speed the 2 runners run flat out for the remainder of...
Thursday, December 20, 2012 by ty

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

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

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

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

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

math 6th grade
what does y=x
Tuesday, December 4, 2012 by sally

Math 5th grade
9K=414
Tuesday, December 4, 2012 by Ishu

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

Algebra Grade 7 (Rotation)
If you rotate a clock clockwise 90° from 3:00, what will it be?
Thursday, November 29, 2012 by rawr... im a dinosaur.... rawr

5th grade math
i need help
Tuesday, November 27, 2012 by jacob

MATH 5TH GRADE
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

Spelling 4th grade
Down is to dive as up is to ____________?
Monday, November 26, 2012 by Caleb

chemistry
Sulfur vapor is analyzed by photoelectron spectroscopy (PES). Measurements determine that photoelectrons associated with the 1st ionization energy of sulfur move with de Broglie wavelength λ=4.091 A˚. What is the maximum wavelength (in meters) of radiation capable of...
Sunday, November 18, 2012 by Anonymouse

chemistry
Sulfur vapor is analyzed by photoelectron spectroscopy (PES). Measurements determine that photoelectrons associated with the 1st ionization energy of sulfur move with de Broglie wavelength λ=2.091 A˚. What is the maximum wavelength (in meters) of radiation capable of...
Sunday, November 18, 2012 by selly

chimistry
Sulfur vapor is analyzed by photoelectron spectroscopy (PES). Measurements determine that photoelectrons associated with the 1st ionization energy of sulfur move with de Broglie wavelength λ=3.591 A˚. What is the maximum wavelength (in meters) of radiation capable of...
Sunday, November 18, 2012 by School girl

chemistry
Sulfur vapor is analyzed by photoelectron spectroscopy (PES). Measurements determine that photoelectrons associated with the 1st ionization energy of sulfur move with de Broglie wavelength λ=5.091 A˚. What is the maximum wavelength (in meters) of radiation capable of...
Saturday, November 17, 2012 by amar chauhan

chemistry
Sulfur vapor is analyzed by photoelectron spectroscopy (PES). Measurements determine that photoelectrons associated with the 1st ionization energy of sulfur move with de Broglie wavelength λ=5.591 A˚. What is the maximum wavelength (in meters) of radiation capable of...
Saturday, November 17, 2012 by amar chauhan

science
Sulfur vapor is analyzed by photoelectron spectroscopy (PES). Measurements determine that photoelectrons associated with the 1st ionization energy of sulfur move with de Broglie wavelength λ=3.591 A˚. What is the maximum wavelength (in meters) of radiation capable of...
Saturday, November 17, 2012 by hi

6th grade math
What does this sign mean "| |"
Monday, November 5, 2012 by luv history

6th grade math
What does this sign mean "| |"
Monday, November 5, 2012 by luv history

Geo- 7th Grade
What are the Atlantic Provinces?
Friday, November 2, 2012 by rawr... im a dinosaur.... rawr

English
1. At Thanksgiving Americans eat a roast turkey. 2. On Thanksgiving Americans eat a roast turkey. (Which preposition, do we have to use 'at' or 'on' before 'Thanksgiving'? Are both OK?) 3. on/at the weekend 4. on/at Sunday 5. on/at New Year's Day 6...
Wednesday, October 31, 2012 by rfvv

Algebra Grade 7
Point S is the midpoint of RT. compplete the statement: ST = 11 in., RT = __
Saturday, October 27, 2012 by rawr... im a dinosaur.... rawr

math
how to solve identity property,2nd grade
Wednesday, October 24, 2012 by tyler

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

math 7th grade
what is 234(2-1+1092-924+18) ?
Thursday, October 18, 2012 by allie

lens surface
A spherical generator is used to produce a -15.00D surface on glass of refractive index 1.80. The diameter of the cutting tool is 80mm and the radius of the cutting surface is 4mm. What is the angle between the axis of the tool and the axis of the lens? Do I calculate the ...
Thursday, October 18, 2012 by kelly

4 grade math
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

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 by Sadie

Math 4th grade
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

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

7th grade math help quick
11/12 + (-2/3) = ?
Wednesday, October 3, 2012 by Delilah

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

biology
what statement describes the 1st step of ecological community it is known as? A. reed plants attract dragonflies and mayflies. B. frogs and snakes arive after emergent plants are established. C.climax trees such as ash and beech appear and eventually dominate the area. D. ...
Monday, October 1, 2012 by tameka

2nd grade math
____= 8+2?
Wednesday, September 26, 2012 by todd

math
5th grade equstions
Tuesday, September 25, 2012 by erickka

6th grade math
what does the |#| mean? Thanks
Sunday, September 23, 2012 by luv history

6th grade math
Simplify: |15|
Sunday, September 23, 2012 by need help

6th grade math
What is absolute value?
Sunday, September 23, 2012 by luv history

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 by dad pulling out his hair

6th grade science
What is porosity and permeability? Thanks
Sunday, September 16, 2012 by Allison

6th grade science
What is a A topographic map used for? thanks
Sunday, September 16, 2012 by Allison

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

6th grade math
9 + x = 17 I know that x=8 but how did you get it Thanks
Friday, September 14, 2012 by some girl

6th grade math
What is base measurement? thanks
Friday, September 14, 2012 by some girl

7th Grade Math
(-13) + (-1)
Friday, September 14, 2012 by Lauren

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

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 by Melinda

6th grade math
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
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

5th grade math
Which is more 0.33 or 0.333?
Tuesday, September 4, 2012 by Colby

7th grade math
-6(2r-4)
Tuesday, September 4, 2012 by nic

6th grade math
what is 13/16 minus 1/4?
Tuesday, September 4, 2012 by Al

9th grade chemistry
what is the
Monday, September 3, 2012 by simia

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 by John

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 by John

english 3 grade
aphabet on move words
Wednesday, August 29, 2012 by edwin

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 by Rey

5th grade english
is cactus already plural
Thursday, August 23, 2012 by brooke

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 by Reed

Math 5 grade
3/4 [5/2] The answer would be 15/8. Right?
Tuesday, August 21, 2012 by Shan

math
My son is in Kindergarten and I have no idea about the "Counters" in the question: 1st) Cover the teddy bears in the top row with different-color teddy bear counters. 2nd) Color the teddy bears in the bottom row to show the colors." Help. Thanks You.
Tuesday, August 14, 2012 by Laura

CTU
Part IV: You find that a small business loan in the amount of 50,000 is the amount you need to purchase the restaurant location. After researching banks to find the best interest rate, you find that banks for small businesses offer the best interest rate of 9% interest that ...
Monday, August 13, 2012 by Johjoh

Physics
Upon a flat only 10 m high (Is that possible?) there are two guns A and B attached together making a vertical angle of 60 degrees when A is flat on roof. They fire at the same time and has the same reloading time. Both guns are capable of giving an initial velocity of 5√...
Friday, August 10, 2012 by Imalka

biology
Trophic Level Cylinder Volume of H2O Volume of Oil Total Volume % Oil 1st 1000 ml 1000 ml 2nd 100 ml 100 ml 3rd 10 ml 10 ml
Thursday, August 9, 2012 by kiesha

Reimbursement Methodologies Final Exam
Can anyone please help me with Part A with the 1st question: You're the new director of a hospital health information management department. The chief financial officer has hired you for your experties in health care reimbursement and needs to know how your department can ...
Friday, July 20, 2012 by Priscilla

math grade 12
how to solve log basex 8=-1/2 pls help
Tuesday, July 17, 2012 by ted

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 by Anonymous

payroll
An employee's rate of pay is $40.00 per hour, with time and a half for all hours worked in excess of 40 during a week. The following data are available: Allowances claimed on W-4 4 Allowance amount allowed:$70 ea. Hours worked this week 50 Y T D Earnings prior 105,200 F I ...
Sunday, July 1, 2012 by jim

Foreign languages
Writeacher, can you please check these sentences? Thank you. 1 Talk about the place where you live using the following grid: . – What is your town like – How long have you lived there – if you like it or not and why – If you don’t like it where you ...
Thursday, June 21, 2012 by Mike

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 by Albert

us history grade 7
what are the pros and cons of the fur trade?
Thursday, June 21, 2012 by kyle

Art
Who is the artist of the Ngady Mwaash Mask (search on yah oo, then click images, it should be the 4th one) and the artist of the Sowo Mask, (same thing, go to yah oo search the name then click images, and it should be the 1st one)
Sunday, June 17, 2012 by Anonymous

math
In your biology class, your final grade is based on several things: a lab score, scores on two major tests, and your score on the final exam. There are 100 points available for each score. However, the lab score is worth 16% of your total grade, each major test is worth 21%, ...
Sunday, June 3, 2012 by Ashley

9th Grade Algebra
4x^2-11x+3=5x+4 How do I solve this?
Thursday, May 31, 2012 by hockeyfreak2011

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 by Vilma

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 by j

11th grade math
-2x+7+9x-4
Thursday, May 24, 2012 by sky'toria

8 grade
27.6 x 5.2 my answer is 138.00 is this right
Monday, May 21, 2012 by codey

8th grade math
how do you solve x+1/10= a whole number
Monday, May 21, 2012 by sam

Calculus
A Baseball Diamond has the shape of a square with sides 90 feet long. a player is running from 1st to 2nd base at a speed of 25 feet per second. find the rate at which his distance s is from home plate is changing when the player is 20 feet from 2nd base.
Sunday, May 20, 2012 by John

6th grade history
Where did the mound builders live???
Saturday, May 19, 2012 by Aria

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

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

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