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Homework Help: 1st Grade

Chemistry-help needed
Posted by candy on Monday, March 28, 2011 at 3:15pm. 0.3g of clotrimazole (C22H17ClN2) was dissolved in 80ml of anhydrous acetic acid. This was titrated with 0.1M perchloric acid using 0.3ml of naphtholbenzein as indicator until the colour changes from brownish-yellow to green...

Math
The mean weight of 75 2nd graders is 55.7 lbs and the mean weight of 25 1st graders is 42.6 lb. What is the mean weight of the 100 children

Math
The mean weight of 75 2nd graders is 55.7 lbs and the mean weight of 25 1st graders is 42.6 lb. What is the mean weight of the 100 children

math
Please Help!! The mean weight of 75 2nd graders is 55.7 lbs and the mean weight of 25 1st graders is 42.6 lb. What is the mean weight of the 100 children

math
The mean weight of 75 2nd graders is 55.7 lbs and the mean weight of 25 1st graders is 42.6 lb. What is the mean weight of the 100 children

Math
The mean weight of 75 2nd graders is 55.7 lbs and the mean weight of 25 1st graders is 42.6 lb. What is the mean weight of the 100 children?

chemistry - help
0.3g of clotrimazole (C22H17ClN2) was dissolved in 80ml of anhydrous acetic acid. This was titrated with 0.1M perchloric acid using 0.3ml of naphtholbenzein as indicator until the colour changes from brownish-yellow to green. 1ml of 0.1M perchloric acid is equivalent to 34....

7th grade math
what is an equation?

7th grade math
what is an equation?

7th grade math
2x+7=4x+3 ? 3x+6=5x+1 ? 2n+6=8N+3 ? 6N+9=9n+6 ?

3rd grade math
16 1/2 x 33 = is it 792

grade nine polynomials
(3/4) (1/-2) + (5/6) (-1/3)

grade 9 polynomials
7 (r+3s) - 2(2r -9s) I am having a hard time solving can anyone please help

6th grade math
s=5m find the area of square

english (for Sra) repost
The Lady of Shalott I have two events and have to find the quotation. 1st event The handsome, dazzling figure of Sir Lancelot rides by in his shining armour. The Lady sees him in the mirror and can no longer bear her imprisonment. 2nd event The Lady floats down the river past ...

Fractions-easy 5th grade
Multiply and divide. 1) -2 4/11(-2) 2) 5 1/7 / 4 1/8

Social Studies
Have you ever noticed that the most important man in America every day when you are shopping, looking through your wallet, and even going to the bank? Well…the most important man in America is our 1st president George Washington, and he is on our one dollar bill and even the...

Social Studies
Does the following, need any changes. I yes what are they: Have you ever noticed that the most important man in America every day when you are shopping, looking through your wallet, and even going to the bank? Well…the most important man in America is our 1st president ...

Second Grade Fractions
4/6 of 18 is ?

5th grade math
please show how to get the answer... w>2 d+6<15 s-1>4

5th grade math
please show how to get the answer... w>2 d+6<15 s-1>4

5th grade math
please show how to get the answer... w>2 d+6<15 s-1>4

MATH
A track meet awards 6, 5, 4, 3, 2 and 1 points for 1st, 2nd, 3rd, 4th, 5th and 6th places, respectively. Team A’s only two runners originally earned 6 points in the first race with both runners finishing in the top 6, but then the winner of the first race ...

English-writeacher
Hey, I just wanted to let you know that I got the grade back for that english paper you helped me write a few weeks back...the movie analysis on A Walk to Remember. I got a B! : ) But I have a chance to revise it according to the teachers comments and turn it in for a better ...

4th grade math
can u exsplain long division to me?

Physics * (Wht am I doing wrng? answ provided)
A 6 kg block slides on a horizontal frictionless surface with a speed of 1.5 m/s . It is brought momentarily to rest when it hits a bumper that compresses a spring. The acceleration of gravity is 9.8 m/s2 .How much is the spring compressed if its force constant is 7 kN/m? ...

Chemistry-help needed
0.3g of clotrimazole (C22H17ClN2) was dissolved in 80ml of anhydrous acetic acid. This was titrated with 0.1M perchloric acid using 0.3ml of naphtholbenzein as indicator until the colour changes from brownish-yellow to green. 1ml of 0.1M perchloric acid is equivalent to 34....

5th grade math
is 13/20 greater than 3/4

5th grade math
3m=63

math
Girls are one-half of the fifth grade class.Two-tenths of these girls have red hair.Red haired girls are what fraction of the fifth grade class?

math 5TH GRADE
does the pentagon shape right angle

8th grade science
What is the difference between speed and velocity?

helth
i am in the 5th grade and need to know the function of heart and how to draw it

Unix Script
"Using "if" statement checks for a file called "student.txt" in the current directory. Removes (deletes) the file if it exist. This file will collect last name, first name, and grade for 5 people. Use a while loop to get the information (last name, first name, and age) for 5 ...

MATH Grade 12
How do you sketch an equation like x+4=-2(y-3)^2 ???

3rd grade math
How do yu draw an array for the number 88

French
I have this chart thing made for french with all the months, and I basically have to list down holidays and stuff which occur in those months and that too in French. So this is what I have so far, and please add anything that I don't have. Thanks *I also have to give a ...

Math
What does I=prt mean in 7th grade verison?

grade 2
what is he probilty of rolling a dice and get a 5 if you rol it 5 time

8th grade math
-7x+7y=7 2x-2=-18 how many solutions does this system have ?

8th grade science
Why is water essential to life?

6th grade science fair project
Each week up until fair time we have to turn in one aspect of our project. This week it deals with our conrol, dependent and independent variables and constants. I will tell you that I got my idea form sciencebuddies. My project is Ocean Currents: Modeling the 'Global Conveyor...

geometry
The road rose at an 8 degree angle, what is the grade?

Homophones/ 8th grade English
What is a homophone for racecourse?

Math
Frank has a 65% chance of receiving an A grade in geology, a 60% chance of receiving an A grade in mathematics, and a 77% chance of receiving an A grade in geology or mathematics (or both). Find the probability that he receives A grades in both geology and mathematics. I get: ...

Statistics - can someone check me
Frank has a 65% chance of receiving an A grade in geology, a 60% chance of receiving an A grade in mathematics, and a 77% chance of receiving an A grade in geology or mathematics (or both). Find the probability that he receives A grades in both geology and mathematics. P(geo ...

math
im in the 5th grade and i need help is on metric measures and conversoins

Physics
A 1000kg car accelerates from 3m/s East to 24m/s East at a rate of 3m/s. If the force of friction is 500N West; how much ower must the car exert? If heat and mechanical losses make the car only 60% efficient, what total power must be exerted to accomplish the acceleration in ...

english
there is some unknown poet called M.T. Buckley whom seems to be known only to the the English teachers and himself. Wrote a poem called "Birthday" and some others like "Poem of Poems" that didn't make it into the whose who of Poets. Does anyone know about this poet. His(her) ...

Math
I need help with these three math question. 1st question. What is the additive inverse of 5 on the 12-hour clock? 2nd question. What is the equivalent number on the 12-hour clock. -22 the choices for this question is, 5 or 2 or 3 or 1. 3rd question. I need to find the additive...

Pre-Calculus
74. Road Grade When driving down a mountain road, you notice warning signs indicating that it is a "12% grade." This means that the slope of the road is -12/100. Approximate the amount of horizontal change in your position if you note from elevation markers that you have ...

math
what is a sixth grade division problem with the number 17 in it?

math
The third and seventh terms of an arithmetic sequence are 10 and 20. 1) What is the value of the 1st term? 2) What is the value of the 9th term? 3) What is the equation to find the nth term in the sequence? HELP!! PLEASE!!

7th grade math
21/8 divided by 5/6=? in simplest form

geomertry
what is radius and diameter in third grade math

6th grade math
What is 4 divided by n is 1/2?

6th grade math
what is 1/4*1/2=4d?

6th grade math
How did you get c=1/5 when you have 5c=2/3 divided by 2/3?

Statistics -Please help :/
I'm having a problem with the entire Chi-square thing.. I do have answers to these but I'm not sure how to work them out.. If you could help that would be great! :) 1st part: A,B,C are schools. Is the choice of math programs followed independently by school? Write the ...

statistics
I'm having a problem with the entire Chi-square thing.. I do have answers to these but I'm not sure how to work them out.. If you could help that would be great! :) 1st part: A,B,C are schools. Is the choice of math programs followed independently by school? Write the ...

6th grade math
Is the answer to G - 2 2/5 = 5 4/5 G = 7 6/5 ?

Math Grade 12 college
250(1.03)^n=400 solve for n

8th grade Science
In ionic bonds, what is the answer to these? Li + P and Rb + As and Pb + F and Bc + N ??

Science
I am in the third grade. Can u please explain to me what displacement is and how it is used. Thank you.

advance algebra
find three numbers such that the second is 6 less than 3 times the first , and the third is 2 more than 2/3 of the 2nd.The sum of the three numbers is 172. use x=1st number y=second number z= 3rd number please help...thanks a lot!!

Credit Cards
the credit card company will: -charge interest on remaining bill -send u another bill -ur credit card will be cancelled -add montly fee If u don't pay ur entire balance each month. I chose 1st one, is it correct?

6th grade math
What is the number of 5/6s in 3? Is the answer 18/ 5 ? If not, please explain.

6th grade math
How many 5/6's are in 1? Is the answer 6/5 ??

Math
the sum of the 4th term and the 5th term is 12.if the 4th term of the progression is 8, find the common ratio and the 1st term of the progression.

4th grade
i need help solveing crossword puzzle

11th grade math
How do you do Absolute Value Functions with graphs?

Math/3rd grade
If you forget the product of 9 and 9, what can you do to figure it out?

9th grade algebra
solve -5/6=2/3(3c+4)

9th grade algebra
solve df + 10h=3 for h

6 grade math
Dividing 22/7 / 5

7th Grade
Z+5/7=3 home work problem that was not taught in class?

7th grade math
6+x=2x-14. I'm not to sure how to solve this type of equation.

HELP MATH
lee looked at the results of an exam he had just given to his grade 2 math class. he saw that louise had a score of 95%. he also saw that the standard deviation for the test was 0. if arif was also in his grade 2 math class, what mark did arif get on the exam?

Physcial Science
How can I apply Newton's First and Second Law to walking? I'm thinking the 1st, is the muscles would apply an unblanced force to make us move? Second-if we're walking and the mass of our body is 130 lbs and we're accelerating at 4 miles per hour, then the force necessary to ...

3rd grade social studies
what is agora

4th grade
IF R X R X R = 27 AND R X B = 6 WHAT IS THE VALUE OF B X B X B

5th grade math
subtract 1/2 from 5/6

4th grade
if b x w = 24, b x b = 16 what is the value of w x w?

law
Over the past decade, some countries have shown high crime rates while other countries have lower crime rates. For example, the lowest homicide rates in 2000 existed in Saudi-Arabia and Japan, while France and Germany had the highest homicide rates. Their rates, however, were ...

law
What are some of the ways that organized crime impacts you and a community and/or city (of your choice) directly? (This element will account for 20% of your grade.) What are some of the ways that law enforcement agencies are working to reduce these types of organized crime in ...

grade 9 science biology
What happens to the available energy in an ecosystem?

5th grade
divide 6358 by 100

4th grade
which point is located at 7/12 on the number line below?

4th grade
23x17 in expanded algorithm

5th grade
what expression shows the factors of 27?

5th grade
what is the magnitude estimate for 78.6 divided by 6

9th grade science
where are the cell and plasma membranes located

7th grade
What are the two vegetation types of Ethiopian Highlands?

12th grade
C6H8O7 + 3NaOH --> NaC6H5O7 + 3H2O

12th grade
C6H8O7 + 3NaOH --> NaC6H5O7 + 3H2O

7th grade
how dose mitosis let you survive?

5th grade
7 5/12 - 5 7/12

5th grade
draw a line segment for 7/8 inches

Math 7th grade
40/n = 28/22 what is n?

6th grade
Why did people consider Nerfertiti a goddess?

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