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August 30, 2014

Homework Help: 2nd Grade

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8th grade
I need help on this equation: -5(-3n+4)-12=13
Monday, October 19, 2009 at 7:07pm

4th grade
What is a PRIME NUMBER?
Monday, October 19, 2009 at 3:46pm

economics
If tbone steak cost 12.00 a lb and 1st util is 48, 2nd is 42, and 3rd util is 36 and we also buy ground round at 4.00 a lb and we derive 24 utils for the 1st lb, 16 for the second and 12 for the third and all we have to spend is 40.00 then how many lbs. of t-bone and ground ...
Monday, October 19, 2009 at 10:39am

arithmetic
I have a Q that im trying to solve: it says: the 1st , 2nd, and 3rd term of a geo. sequence is the same as the 1st, 7th and 9th terms of an arith. sequence.: I have to find the common ratio. So i know: a+8d = a(r^2) (1) a+6d = ar (2) but i don't know how to solve this ...
Monday, October 19, 2009 at 6:29am

9th grade
y=7 y=-1
Saturday, October 17, 2009 at 1:37pm

12th grade
1/7+3/5
Friday, October 16, 2009 at 10:41am

9th grade
what is physical education?
Friday, October 16, 2009 at 10:37am

Math
In a class 85% of the student recieved the highest grade in English Literature, 80% in Math, 75% in History, and 30% in Chemistry. About what percentage of the students could you say for sure that they recieved the highest grade in all 4 subjects?
Thursday, October 15, 2009 at 5:18pm

6th grade
Were could I find LA.
Thursday, October 15, 2009 at 4:31pm

9th grade
(x+4)^5
Wednesday, October 14, 2009 at 5:40pm

7th grade
5f-6=
Wednesday, October 14, 2009 at 5:11pm

Chemistry
Write the two chemical equations that describe the conversion of magnesium into magnesium oxide. 2Mg(s)+O2(g)->2MgO(s?) First off, would MgO be a solid or gas? And I have no idea what the 2nd equation could be.. Can anyone give me a hint?
Tuesday, October 13, 2009 at 8:30pm

6th grade
y-12=16?
Tuesday, October 13, 2009 at 6:10pm

3rd grade
what causes drought
Sunday, October 11, 2009 at 7:59pm

Quantum mechanics, eigenfunctions!
Determine if the function sin(x)*e^(ax) where a=constant is an eigenfunction of the operators d/dx and d^2/(dx)^2 Okay. My understanding is that you use the operator and perform its "thing" on the function. In this case, you will have to find the 1st derivative of ...
Thursday, October 8, 2009 at 9:30pm

4th grade
if a=11 b=2 c=18 then what does a+c-b=?
Thursday, October 8, 2009 at 8:57pm

Economics
I'm completely stuck on this question.. Trade barriers only work when..? -infant industries receive the protection. -the United States does not have a trade deficit. -American money is kept in the United States. -other countries do not use trade barriers. I want to say the...
Thursday, October 8, 2009 at 2:48pm

10th grade
-8(-3-4 v)+5(5v+2)=-80 solve for v
Wednesday, October 7, 2009 at 7:24pm

3rd grade
What is a compound sentence?
Wednesday, October 7, 2009 at 2:49pm

english grade 6
what is a double consonant?
Tuesday, October 6, 2009 at 6:37pm

5th grade math
9m + 45-3=60 What does M equal.
Tuesday, October 6, 2009 at 5:48pm

8th grade
Can you help me solve this equation. 6n-(-2n)+8
Monday, October 5, 2009 at 10:27pm

5th grade
What is the definition of energy???
Sunday, October 4, 2009 at 5:09pm

4th grade
In a fifth grade class of 16 students, one-half of the students arrived at school early,one-fourth arrived on time, and one-eight arrived late. On that day how many were absent? Solve using comparison bars.
Wednesday, September 30, 2009 at 8:06pm

5th grade
22 x n is between 80 and 85
Tuesday, September 29, 2009 at 9:11pm

5th grade
62.7-43.85=
Tuesday, September 29, 2009 at 5:53pm

5th grade
62.7-43.85=
Tuesday, September 29, 2009 at 5:52pm

5th grade
62.7-43.85=
Tuesday, September 29, 2009 at 5:52pm

6th grade
need help with my hypothesis
Sunday, September 27, 2009 at 7:11pm

8th grade
20_140
Friday, September 25, 2009 at 11:29pm

8th Grade Math
If x/y=4, x-y=9, and y-x=(-9) then what is x and y?
Thursday, September 24, 2009 at 8:00pm

8th Grade Math
If x/y=4, x-y=9, and y-x=-9, what is x & y?
Thursday, September 24, 2009 at 7:49pm

7th grade
a submarine
Wednesday, September 23, 2009 at 10:44pm

8 grade
6 is what percent of 75
Wednesday, September 23, 2009 at 8:41pm

7t grade math
What numbr is 45% of 246?
Wednesday, September 23, 2009 at 8:29pm

5th grade
what is my error n+17,n+18,n+15,n+16,n+13,n+14
Wednesday, September 23, 2009 at 7:54pm

Org. Chem.
what is the precipitate formed when HCl is added? I believe the answer is NaCl, but I am not sure and this precipitate only formed in the first NaOH extract, as precipitate was essentially nonexistent in the 2nd extract? Below is what was done in the experiment. Also, does the...
Monday, September 21, 2009 at 10:38pm

FRENCH HELP
list each of the activities that follow under the appropriate heading. base your decisions on whether the activity promotes or jeopardizes good health. i think i get this but . can anyone please help me on the 2nd part where it says base your decisions on whether the activity ...
Sunday, September 20, 2009 at 9:42pm

socials
charles I and the civil war 2 1642-49 name a parliamentary victory of 1644 on july 2nd 1644 when the royalist forces were busy cooking their suppers, the roundheads made a surprise attack , scattered the royalist forces and won the vital battle of marston moor. is this right, ...
Saturday, September 19, 2009 at 10:29pm

6th grade
Multiply 13*(-7)
Saturday, September 19, 2009 at 9:13pm

math
Sue is able to make six beaded bracelets each month. If Sue begings on January 1st, how many bracelets will she be able to finish in time for the craft sale on May 2nd? What strategy might work to solve this problem
Thursday, September 17, 2009 at 10:19pm

math
3 lights started at the same time..1st blinks at 5 seconds, 2nd at 6 seconds and 3rd at 4 seconds...how often will they blink at the same time
Wednesday, September 16, 2009 at 8:42pm

11th grade Algebra2
4x = 2x+30
Monday, September 14, 2009 at 8:47pm

9th grade
what is an interior deserts
Monday, September 14, 2009 at 8:38pm

algebra
A student threw a ball directly upward from the balcony of a building. The height of the ball as measured from the ground "t" seconds after it was thrown, is given by the expression h= -16t(2nd power) + 64t + 768 When does the ball reach the ground?
Monday, September 14, 2009 at 1:25pm

7th grade math
7.5*8.4
Thursday, September 10, 2009 at 10:31pm

9th grade
what is a landform
Wednesday, September 9, 2009 at 12:13am

9th grade
what is the purpose of a neighborhood?
Tuesday, September 8, 2009 at 9:20pm

Statistics
My teacher is averaging up our grades in one area instead of including them all on our report card. For example, he is putting in one grade for the tests (the average of the grades) instead of including each individual grade for all of the tests. Are these two the same thing, ...
Tuesday, September 8, 2009 at 3:48pm

English
1. - What's wrong? - I have an important exam tomorrow. - Don't worry too much. (Is the short dialogue grammatical?) 2. Food also can help people's feelings. 3. Food can also help people's feelings. (Which one is correct between 2 and 3? Are both OK?) 4. You ...
Monday, September 7, 2009 at 6:02am

5th grade
n +37 if n is 16
Thursday, September 3, 2009 at 8:34pm

3rd grade
what is a synonym
Wednesday, September 2, 2009 at 7:19pm

6th grade
map
Monday, August 31, 2009 at 9:49pm

7th grade
1/3 converts too?
Monday, August 31, 2009 at 9:22pm

6th grade
Why are words important
Monday, August 31, 2009 at 7:13pm

7th grade integers
8 - 7 = 4=?
Monday, August 31, 2009 at 5:29pm

5th grade
MS. SUE***WHAT IS A FACTOR?
Thursday, August 27, 2009 at 6:11pm

4th grade
what are variable symbols
Thursday, August 27, 2009 at 3:46pm

5th grade
what is the opposite of a compass
Wednesday, August 26, 2009 at 10:03pm

10th grade
5x+6/10+=4x-8/6
Tuesday, August 25, 2009 at 8:15pm

6th grade
write 50% in a fraction
Tuesday, August 18, 2009 at 12:06pm

Grammar
i am wanting to make sure this is correct. the complete subject and the simple subjects of the following. The two-and-a-half-month-old child received 2nd degree burns across the bridge of his nose. Complete: The two-and-a-half-month-old child simple is child? It was suggested ...
Tuesday, August 11, 2009 at 2:53pm

Chemistry
What percent by mass does the water constitute in Na2SO4*10H2O? Determine the formula for the hydrate of cobalt (II) acetate from the following data. Mass of crucible and lid= 28.945g Mass of crucible, lid, and hydrate= 29.986g Mass of crucuble, lid, and anhydrous salt= 29....
Sunday, August 2, 2009 at 7:48pm

6th grade- Antartic Treaty
What is it?
Thursday, July 30, 2009 at 8:03am

9th Grade Courses
For 9th grade science, which would be easier to take? Environmental Science or Life Science? Thanks -MC
Wednesday, July 15, 2009 at 1:59pm

11th grade
what is Ralational schemas
Thursday, July 9, 2009 at 8:22pm

Child Psychology
Sara sets up an experiment with a control group and an experimental group to study how reading to preschool children may improve their first-grade reading achievement scores. In her study, the independent variable will be a. first- grade reading achievement scores. b. reading ...
Saturday, July 4, 2009 at 6:04pm

7th grade
What is a feature article?
Monday, June 29, 2009 at 2:32am

9th grade
what is the amplitude of y=6 sin 1/8x
Friday, June 12, 2009 at 1:24pm

Math
In a competition, only the top 3 horses recieve prizes. How many possible ways can a 1st, 2nd, and 3rd prize be awarded if the competition has 12 horses? A. 36 B. 220 C. 440 D. 1320 Also, is this a permutation or a combination? Please Help!! Thank you.
Wednesday, June 10, 2009 at 9:11pm

Math
In a competition, only the top 3 horses recieve prizes. How many possible ways can a 1st, 2nd, and 3rd prize be awarded if the competition has 12 horses? A. 36 B. 220 C. 440 D. 1320 Please Help!! Thank you.
Wednesday, June 10, 2009 at 8:27pm

4th grade
can u help me solve 3.8+2-1.5
Wednesday, June 10, 2009 at 8:04pm

Chemistry
I am hoping to receive help getting started with this problem, possibly some steps in the correct direction. Here is the question: 5.0mLs of a 6.0M solution of HCl was transferred to a 1000ml volumetric flask and diluted to volume w/ water. 50mLs of this solution was then ...
Tuesday, June 9, 2009 at 6:31pm

12th grade
what are substitutes
Tuesday, June 9, 2009 at 10:33am

7th grade
What is Indirect measurement?
Sunday, June 7, 2009 at 8:42pm

7th grade
awhat is a polygon
Sunday, May 31, 2009 at 10:14pm

9th grade
Evaluate 3x^2 + 5y + 7 if x = -2 and y = 3 thanks in advance
Wednesday, May 27, 2009 at 6:31pm

8th grade
n+3=12
Wednesday, May 27, 2009 at 5:06pm

7th grade home ec
HELP
Wednesday, May 27, 2009 at 11:43am

grade 7 math:algebra
6x+5y+2x+3y=
Tuesday, May 26, 2009 at 10:22pm

grade 7 math:algebra
what is -2x-x+3x
Tuesday, May 26, 2009 at 9:28pm

grade 7 math:algebra
what is 2-3+9-1
Tuesday, May 26, 2009 at 9:24pm

9th grade classes
I'm choosing which classes I want to take for freshman year but I'm not sure what I need to take. Right now I've only decided on Geometry and English 1. What science do I take for 9th grade? I'm looking for the easiest courses available. Thanks -MC
Tuesday, May 26, 2009 at 1:42pm

10th grade
How do u do (3x)cubed
Friday, May 22, 2009 at 10:07am

quantitative comparison
compare the two quantities and determine whether the first one is the greatest, the second is the greatest, the two are equal, or the relationship cannot be determined from the information given... 1st: the slope of the line that contains A(2,4) and B(-1,3) 2nd: the slope of ...
Monday, May 18, 2009 at 10:01pm

6th grade Math
15>6x-9
Thursday, May 14, 2009 at 12:09am

6th grade math
How many oz are in 12 cups
Wednesday, May 13, 2009 at 8:30pm

8th grade
how do you simplify: 3x+6 ---- 3x^2
Monday, May 11, 2009 at 7:39pm

algebra I need immediate help with this question T
The 2nd question has a fraction and I think this is confusing me on this one f(x)=1/5(x+7)^2+7 I need to find the vertex line of symmetry max/min and is the value f(-7)=7 a minimum or a maximum?
Sunday, May 10, 2009 at 2:35pm

math
help me with sequences problem.So if the sequence is 2,5,10,17,26 +3 +5 +7 +9 1st difference +2 +2 +2 2nd difference then the nth term can be worked out by writing out : n 1 2 3 4 n squared 1 4 9 16 original sequence 2 5 10 17 nth term= n squared+1 but what about this question...
Saturday, May 9, 2009 at 10:02am

7th grade
11x=8x-6
Friday, May 8, 2009 at 6:45pm

7th grade
(3x-14)+(2x+9)??
Tuesday, May 5, 2009 at 9:17pm

10th Grade Math
What is 3X^2-7=11
Monday, May 4, 2009 at 5:53pm

9th grade
y/6>y/12+1
Sunday, May 3, 2009 at 12:46pm

8th grade
how do diagram a sententce
Sunday, May 3, 2009 at 9:21am

4th grade
can you convert 23 percent? -- 92
Thursday, April 30, 2009 at 5:54pm

science
CAN SOMEONE PLEASE HELP ME AND TELL ME IF IM RIGHT Explain which statement is correct: energy is lost when water is boiled or the energy used to boil water is present, but it is no longer in a usable form unless you use work or heat to make it usable. i think that the 2nd one ...
Tuesday, April 28, 2009 at 8:37pm

SCIENCE
CAN SOMEONE PLEASE HELP ME AND TELL ME IF IM RIGHT OR WHAT ????!!!!!!!!! Explain which statement is correct: energy is lost when water is boiled or the energy used to boil water is present, but it is no longer in a usable form unless you use work or heat to make it usable. i ...
Tuesday, April 28, 2009 at 7:52pm

4th grade
31% to decimal and then to fraction?
Monday, April 27, 2009 at 9:55pm

11th grade
xe^(x)-1 =0
Sunday, April 26, 2009 at 8:05pm

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