Friday
December 9, 2016

Homework Help: 2nd Grade

algebra
Jane is taking a class and asks you to help her figure out what her last grade must be in the class to get a 85 in the class. She tells you the following calculation is used to find your final grade: w2d2 x is her last score which has not been taken. Explain this equation and ...
Tuesday, November 29, 2011 by Jennifer

math
Jane is taking a class and asks you to help her figure out what her last grade must be in the class to get a 85 in the class. She tells you the following calculation is used to find your final grade: w2d2 x is her last score which has not been taken. Explain this equation and ...
Tuesday, November 29, 2011 by Jennifer

math 4th grade
writing a sequence for the rule a-4=b
Tuesday, November 29, 2011 by joe

differential equations
Solve the following equation explicitly by expanding up to order x5, the following 2nd order diff equation. y''(x) = (1 + x^2)*y(x) pls show working y =f(x)
Tuesday, November 29, 2011 by zac

7TH GRADE MATH
please help solve -5(9K-8) + 2 (8+6K)
Monday, November 28, 2011 by ASIA

Plz Help
You I'm entering this contest Scholastic Arts and Writing Award, and I'm a bit confused so I have to register online, then fill out a form since I'm doing it and mail my art work and writing in???? I check the site but I'm confused. I'm in 7th grade by the ...
Sunday, November 27, 2011 by Laruen

2 grade math
% of 0.66? Answer 66. Am I right
Thursday, November 24, 2011 by Anonymous

MAth grade 8
x+5/6 = 3x-5/8 Solve for x
Tuesday, November 22, 2011 by 17halimk

MAth grade 8
how do you convert 2 4/5 to decimals
Tuesday, November 22, 2011 by 17halimk

My Award Binder
I have a award binder to keep all of my award from 1st grade to now and I need ideas to organize it and make it pretty. I don't have any award from 7th grade but my pricipal said that I will have a lot of awards (as I was walking to go to the library during my lunch period...
Saturday, November 19, 2011 by Laruen

Another Question
Is 8th grade is hard?
Saturday, November 19, 2011 by Laruen

4th grade
75-3m when m=8. Thanks!
Friday, November 18, 2011 by Dominique

Linear Programming
Riverside oil company in eastern Kentucky produces 3 different grades of gasoline. They are regular, premium, and supreme grades. Each barrel of regular grade sells for $77 while premium grade sells for $82 per barrel and supreme grade sells for $89 per barrel. Petroleum ...
Thursday, November 17, 2011 by Ashley

Pre-Algebra
Question is: What is the algebraic equation to determine when they will meet? For the following information, I understand 5(x+y) = 3000 for 1st plane & 10(x-y) = 3000 for 2nd plane. When an airplane flies with a given wind, it can travel 3000 km in 5hrs. When the same airplane...
Sunday, November 13, 2011 by Carol

Pre-Algebra
Question is: What is the algebraic equation to determine when they will meet? For the following information, I understand 5(x+y) = 3000 for 1st plane & 10(x-y) = 3000 for 2nd plane. When an airplane flies with a given wind, it can travel 3000 km in 5hrs. When the same airplane...
Sunday, November 13, 2011 by Carol

8th Grade Help
My sister is gradating grade 8th this year and she wants to create her own 8th grade yearbook using a "marble notebook" she doesn't want to use a scrapbook she need cover ideas memorable quotes and funny ideas background ideas (when putting pictures she needs ...
Tuesday, November 8, 2011 by Laruen

6th grade math
which is bigger? 17/19 0r 0.85
Monday, November 7, 2011 by Kate

6th grade math
Which comparison is correct? A. < 0.05 = 50% B. 0.7 = < 10% C. < 25% < 0.9 D. 0.3 < 36% =
Sunday, November 6, 2011 by Kate

7th grade math
8/9 \1/4
Saturday, November 5, 2011 by Aaron

8th grade math in pre-algebra
6(2x+3)=42
Friday, November 4, 2011 by Anonymous

english
for my comparison essay i am analysis of the 2nd device for katy perry song fireworks.. i need help explaining this line into details. could somebody give me like at least 1-2 sentence explaining it. the device im using is imagery and the line is:“After a hurricane comes ...
Thursday, November 3, 2011 by lalala

english
for my comparison essay i am analysis of the 2nd device for katy perry song fireworks.. i need help explaining this line into details. could somebody give me like at least 1-2 sentence explaining it. this is what i got so far: Perry then uses imagery when she stated that “...
Thursday, November 3, 2011 by lalala

basic math
I am not sure the solvent in this problem, as far as what you do when lining this problem up. The math problem..... Add 150 and 93.17. I don't know if I should be placing 150 at the first decimal or the second. I know I would usually do 150.00 93.17 but the 2nd decimal is ...
Thursday, November 3, 2011 by kristen

8th grade math
collect like terms 3a+2a^2+a-a^2
Wednesday, November 2, 2011 by Hector

Math
Solve the system using any algebraic method. 2x - 2y + z = 3 5y - z = -31 x + 3y + 2z = -21 ______________________ The answer I got for this is ( -26, 6,67) but I know its wrong and I don't know why. Help please >< my work is at the bottom I used substitution method ...
Tuesday, November 1, 2011 by Linda

MATH 7th GRADE
7ã3 / ã 5
Saturday, October 29, 2011 by PLEASE HELP

Math
There are many pairs of numbers (positive and negative) of which the sum is worth the unit. Of those, find the 2 numbers whose sum, double the square of the first number and the square of the 2nd number would give a minimal value.
Thursday, October 27, 2011 by Raf

Math
There are many pairs of numbers (positive and negative) of which the sum is worth the unit. Of those, find the 2 numbers whose sum, double the square of the first number and the square of the 2nd number would give a minimal value.
Thursday, October 27, 2011 by Raf

Math
There are many pairs of numbers (positive and negative) of which the sum is worth the unit. Of those, find the 2 numbers whose sum, double the square of the first number and the square of the 2nd number would give a minimal value.
Thursday, October 27, 2011 by Raf

Fourth grade math
What's range mean?
Thursday, October 27, 2011 by Zoe

MAth grade 8
y^2-4y+4/2-6y x 2y+4/3y^2-12
Wednesday, October 26, 2011 by Aldwin

Maths Grade 8
m^2-m-6 m^2 _________ x ______ m^2-9 m^2+2m
Wednesday, October 26, 2011 by Aldwin

4 grade math
complete the following problem 4+8+7/3*72
Monday, October 24, 2011 by Maria

5th Grade Science
Creation of landforms??
Thursday, October 20, 2011 by Julie

math
the number of 5th grade students in a school is a prime number greater than 50.What is the least number of 5th grade students there could be in a school
Thursday, October 13, 2011 by clayton

4th grade math
how do I find the mean of 92;96;99;103;88
Wednesday, October 12, 2011 by carter

arthmetic
in an arthmetic progression or series,the 13th term is 27 and the 7th iterm is 3 times the 2nd term ,find first term the common difference the sum of rhe squence
Wednesday, October 12, 2011 by Anonymous

Grade
Ok today during social studies I got this mini progress report (it's a overview on what grade I have right now before they send our real progress report which they may send this week or next week) and like I just want to know what GPA i got. Here it is & other classes ...
Tuesday, October 11, 2011 by Laruen

math
Studies have shown a particular television commercial is understood by 25% of first grade students and 80% of fourth grade students. If a television advertising agency randomly selects one first grader and one fourth grader, what is the probability neither child would ...
Tuesday, October 11, 2011 by Khizar

5th Grade Math
what fraction is the largest? 3 2/3 or 3 3/4 or 3 1/2 or 3 3/5?
Tuesday, October 4, 2011 by Nicole

5th Grade Math
I just wanted to Thank you Ms. Sue for the help my son is in 5th grade and some of his homework i don't understand, and i don't want him to turn it in wrong. So if i have more of an understanding then i can help him more with his homework so he gets a better ...
Tuesday, October 4, 2011 by Nicole

5th Grade MATH!
in Which set is 2/3 of the numbers composite? a. 21,29,15,9,27,30 b.18,5,19,33,23,20 c.10,28,21,35,19,11 d.34,12,16,32,22,8
Tuesday, October 4, 2011 by Anonymous

social psy
) Researcher wants to look at the correlation between class attendance and grade in class (higher numbers indicating a higher grade). The researcher found the following result r = .82. The correlation coefficient tells researchers two pieces of information, the strength of the...
Monday, October 3, 2011 by deb

chemistry
how many carbon-hydrogen bonds does ethane have? how many carbon-carbon bonds does ethane have? is it 6 for the 1st and 1 for the 2nd?
Sunday, October 2, 2011 by alexis

6th grade math
what is 1/3 of 3/2? is that means multiply??? or devide???
Thursday, September 29, 2011 by Kate

physics
Which statements are true for the resistivity of a metal conductor: It depends on the temperature of the material. It becomes smaller as the cross-sectional area of the material becomes smaller. It is positive for copper but negative for carbon. It has units of ohms/meter. It ...
Wednesday, September 28, 2011 by isabelle

MsSue I need YOU
Hi Mssue you helped me wonderfully before and I thank you. I would also like your help again.. My teacher says from previous papers that my summaries lack clarity/elaboration.. I was hoping maybe you could help me with that.. I have the 1st paragraph which I did also the 2nd ...
Wednesday, September 28, 2011 by Harold

3RD GRADE MATH
WHATS THE ANSWER TO 10 + ? = 20 + 110
Tuesday, September 27, 2011 by MAJESTI

Algebra 9th Grade
how would you solve this? x - 5 <(or equal too) - 8
Tuesday, September 27, 2011 by Bryce

math 11 grade
How do you do this 5a+(9)-12e*5a+(3)
Monday, September 26, 2011 by shay

6th grade social studies
what is world culture
Thursday, September 22, 2011 by Ja'Shawn

Math
what is y+19=9 plz help me i don't understand this im in 7th grade >.>
Wednesday, September 21, 2011 by someone

6th grade math
3/4x-2/3x=2/5
Wednesday, September 21, 2011 by Carol

fith grade math
well i'm trying to do 49 x27 how would you do that?
Monday, September 19, 2011 by ashley

5th grade algebra
4h=31-3 h=?
Thursday, September 15, 2011 by Dacia

6th grade math
but why is 2.0 bigger than 0.15?
Thursday, September 15, 2011 by Kate

7th grade math
what is a supplementary angle?
Wednesday, September 14, 2011 by saranghae12

7th grade math
what are complementary angles? Please help! Thank you!
Wednesday, September 14, 2011 by saranghae12

math
Polk Elementary School has three classes for each grade level,kindergarten through fifth grade.If there is an average of 27 students per classroom,about how many students attend Polk Elementary School?
Wednesday, September 14, 2011 by felix

5th grade math
what are the divisidles rules
Tuesday, September 13, 2011 by amber

5th grade math
what are the divisidles rules
Tuesday, September 13, 2011 by amber

third grade math
Does (4+5) + 2 = 9+2? Explain
Monday, September 12, 2011 by Alex

6th grade
interview some from 9/11
Sunday, September 11, 2011 by jonathan

6th grade
describe yourself mathamatically
Sunday, September 11, 2011 by jonathan

6th grade math
60x60x24x365x186000=???
Thursday, September 8, 2011 by kade

math 5th grade
What are the multiplication combinations for 180?
Monday, September 5, 2011 by andy

prealgebra
IM stuck on a question. PLease help. A teacher is giving candy to his periods. First period gets 1/3 and 2nd period gets 1/4 and 3rd period gets 1/3 and finally 4th period gets 22 pieces. How many pieces did each period get? Im stuck!!
Wednesday, August 31, 2011 by randy

math
Use the intersect command on a graphing utility to solve the following equation for the indicated value of b. X^3-218x=b b=2504 Can you please give me the exact steps of how to do it on calculator? i typed the below equation into the "y=..." page of my TI-84 Plus. y...
Tuesday, August 30, 2011 by Lola

math
i dot know how to do dividing apart and im in 5th grade
Tuesday, August 30, 2011 by lacie

5TH grade math
estimate each sum or differnce. 7.4 + 3.1+ 9.8 How do I do this?
Thursday, August 25, 2011 by Alyssa

MATH
We have two bags of marbles. The first bag has a ratio of 2 blue marbles to 7 red ones. The second bag has the same ratio. If the 2nd bag has 37 red marbles, how many blue ones does it have?
Wednesday, August 24, 2011 by Anonymous

6th grade math
2 2/3 \ 1 5/6
Thursday, August 18, 2011 by Aaron

math
a 4 digit number my 2 nd digitis twice my 3 digit the sum of all my digits is 3 times greater than my last digit the productof my 3rd and 4th digits is 12 times greater than the ratio of my 2nd to 3rd whats my number?
Thursday, August 18, 2011 by richard

Math grade 12
make F(x)=3/x-11 vertical asymptote
Saturday, August 13, 2011 by F(x)=3/x-11 vertical

Chemistry - please help
A substance was tested for Impurity A using liquid chromatography. 2 determinations were performed. In the 1st chromatogram, Impurity A was not detected, i.e. no Impurity A peak was observed and in the 2nd chromatogram, Impurity A peak was observed with a value of 0.3%. Is it ...
Saturday, August 13, 2011 by elizabeth

CHemistry - help needed
I performed a "related substances" test using HPLC on 1 sample. The 1st value for an impurity is 0% (not detected) and the 2nd value is 0.3%. THe passing limit is 4% for this test. Are the results acceptable, i.e. to take the average of the 2 values to give 0.15%?
Thursday, August 11, 2011 by elizabeth

Math
Mr. Doodle’s grade distribution over the past 3 years for a course in college algebra is shown in the chart below. Grade Number A 45 B 180 C 110 D 95 F 65 I 5 If Jane plans to take a college algebra course with Mr. Doodle, determine the empirical probability that she ...
Wednesday, July 20, 2011 by Jen

Math-Please help :(
(a) translate the argument into symbolic form and (b) determine if the argument is valid or invalid. You may compare the argument to a standard form or use a truth table. If Nicholas Thompson teaches this course, then I will get a passing grade. I did not get a passing grade...
Thursday, July 14, 2011 by Jen

stats
Can someone please help me, I have been working on this for 2 hours now and I keep getting a negative answer. You are given the following data. Number of Absences Final Grade 0 99 1 94 2 79 3 73 4 68 5 53 - Find the correlation coefficient for the data. - Find the equation for...
Thursday, July 14, 2011 by Celest

Math
(a) translate the argument into symbolic form and (b) determine if the argument is valid or invalid. You may compare the argument to a standard form or use a truth table. If Nicholas Thompson teaches this course, then I will get a passing grade. I did not get a passing grade...
Thursday, July 14, 2011 by Jen

Math
(a) translate the argument into symbolic form and (b) determine if the argument is valid or invalid. You may compare the argument to a standard form or use a truth table. If Nicholas Thompson teaches this course, then I will get a passing grade. I did not get a passing grade...
Thursday, July 14, 2011 by Jen

Math
(a) translate the argument into symbolic form and (b) determine if the argument is valid or invalid. You may compare the argument to a standard form or use a truth table. If Nicholas Thompson teaches this course, then I will get a passing grade. I did not get a passing grade...
Wednesday, July 13, 2011 by Jen

Math-geometry
(a) translate the argument into symbolic form and (b) determine if the argument is valid or invalid. You may compare the argument to a standard form or use a truth table. If Nicholas Thompson teaches this course, then I will get a passing grade. I did not get a passing grade...
Wednesday, July 13, 2011 by Jen

Math-geometry
(a) translate the argument into symbolic form and (b) determine if the argument is valid or invalid. You may compare the argument to a standard form or use a truth table. If Nicholas Thompson teaches this course, then I will get a passing grade. I did not get a passing grade...
Tuesday, July 12, 2011 by Jen

math
Select 2 cards from a deck of 52, a. Find the probability of getting 2 hearts b. Find the probability of getting a heart on the 2nd draw given that you got a heart on the first draw
Monday, July 11, 2011 by anonymous

Math
The table below shows the number of molecules in experiment B. Time(h) : 1st , 2nd , 3rd , 4th , 5th No. of molecules : 3 , 8 , 15 , 24, 35 (i) how many molecules will there be in nth hour? (ii) from which hour onwards would the no. of molecules be in experiment B?
Saturday, June 18, 2011 by Smartypants

Math
2004 (2nd) course2-3.2 Let P and Q be points on the line y=x+4 where the x-coordinates of P and Q are p and p+1,respectively.Let O denote the origin. (1)For 2 vectors OP(vector)and OQ(vector),the inner product OP(vector)*OQ(vector) takes its minimum when p is JK/L (2)For P and...
Friday, June 10, 2011 by Bayarbold

math
a number story for grade 4?
Wednesday, June 8, 2011 by tanvi verma

math grade 5
My sister in grade 5 needs help but i dunt exactly know how to do the answers myself, so if someone can help me out i can explain to her better. Thanks 3. You are using a tree diagram with 12 branches to show the possible outcome of a probability experiment What might the ...
Monday, June 6, 2011 by saira

3rd grade math
Explain how to compare 0.34 and 0.27?
Monday, June 6, 2011 by Rae

science
7th grade..... what is the function of the retina in the eye ?:)<3
Thursday, June 2, 2011 by ruth a.

MAT/116
I was just wandering if this was correct? 1. Your company is planning to spend no less than $80,000 and no more than $100,000 on a landscaping project, which will be used as a promotional park that promotes your toaster manufacturing company. Write an inequality with a ...
Monday, May 30, 2011 by Vic

MAT/116
I was just wandering if this was correct? 1. Your company is planning to spend no less than $80,000 and no more than $100,000 on a landscaping project, which will be used as a promotional park that promotes your toaster manufacturing company. Write an inequality with a ...
Sunday, May 29, 2011 by Vic

school in general
Hi i have a question im currently in 7th grade but i was held back a year in first do you think there would be any possible way to advance to 8th grade just curios I believe I have a wide enough knowledge span to pull it off but im just questioning the wheter or not it would ...
Friday, May 27, 2011 by JESSE

SCIENCE(PHYSICS)
A train travels 40 km/hr for 0.2 hr, 50km/hr for next 0.2hr and 60km/hr for next 0.4 hr.calculate the average speed of train. My Solution:-1st hr. distance=40 multiplied by 0.2=8km 2nd hr.= 50 multiplied by 0.2=10km 3rd hr. =60 multiplied by 0.4=24 km Average speed=10+24+8 ...
Wednesday, May 25, 2011 by YASH

world issuse
I'm a 7 letter word u read daily,my 5th 6th and 7th letter increase each year,my 3rd n 4th letter are the same,my 3rd 2nd n 5th letter cover 75% of the world.
Tuesday, May 24, 2011 by dan

math
i'm in 5th grade what is 9/26 with a remander
Monday, May 23, 2011 by angelina

AP Physics
A Young's double slit has a slit separation of 2.50x10 raised to the -5th power m on which a monochromatic light beam is directed. The resultant bright fringes on a screen 1.00 m from the double slit are separated by 2.30x10 raised to the -2nd power m. What is the ...
Sunday, May 22, 2011 by Sydney

4th grade math
Ms. Sue, so how would you write 50.90
Sunday, May 22, 2011 by bes

4th grade math
how do you write 50.09 in word form?
Sunday, May 22, 2011 by bes

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