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July 22, 2014

Homework Help: 11th Grade

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Grade 10-Math
x+2y=3 5x+4y=8 I isolated x+2y=3 to make: x=3-2y then i began to sub in equation one with equation two: 5x+4y(3-2y)=8 5x+12-8y=8 after that i began to try to solve the equation but my answers were not correct. any help would be greatly appreciated!
Saturday, September 24, 2011 at 5:19pm

7th grade math
What feature of a cylinder uses the given units? a. centimeter b. square centimeter c. cubic centimeter Please help! Thank you!
Saturday, September 24, 2011 at 3:17pm

7th grade math
what is 2 times pie times 2.5to the second power + 2 times pie times 2.5 times 5.5? Please help! Thank you!
Saturday, September 24, 2011 at 2:19pm

7th grade math
Hi! What is the formula of the volume and surface area of cylinders? I checked my textbook and it didn't really say. My teacher didn't really explain at all. If somebody could help explain this it would be really great. Please help! Thank you!
Saturday, September 24, 2011 at 1:39pm

math
Make a tally chart for the number of students in the third-fourth-and fifth grade classes: 26,25,27,27,26,28,27 I don't understand how to find the answer.
Thursday, September 22, 2011 at 6:32pm

Science 6th grade
how can granite and slate peices be held together?
Thursday, September 22, 2011 at 6:28pm

math
what is input output in 3rd grade math
Thursday, September 22, 2011 at 4:12pm

science 8th grade
I have toy with the density of 2.o g/cm3 ,I put it into tub with water density of 2.0 g/cm3 will the toy float or sink?
Thursday, September 22, 2011 at 11:05am

6th grade social studies
what is world culture
Thursday, September 22, 2011 at 3:12am

3rd grade
when this 3-digit number is rounded to the nearest ten, the sum of its digits is 16 .the hundreds digit of this number is 8 and the ones digit is 5 . what is the number?
Wednesday, September 21, 2011 at 10:53pm

Math
what is y+19=9 plz help me i dont understand this im in 7th grade >.>
Wednesday, September 21, 2011 at 9:08pm

4th grade math
i am a 4-digit whole number. my digits decrease by 2 from the thousands place to the ones place. each of my digits is an even number. what number am I?
Wednesday, September 21, 2011 at 7:48pm

3rd grade math
Use the digits 3, 7, 1, 5 to write a number that rounds to each of the following. 2,000 3,500 6,000 7,400
Monday, September 19, 2011 at 11:42pm

4th grade math
hi, what is the least possible number, when rounded will become 1,000,000? would it be 999,999?
Monday, September 19, 2011 at 9:26pm

7th grade math
typical weights for tiger clubs age(weeks) expected body weight(kg) birth 1.3 1 2.3 2 3.0 3 3.8 4 4.5 5 5.2 6 6.0 7 6.7 8 7.5 9 7.6 10 8.9 11 9.7 using table above describe the pattern relating age and weight. Do you expect this pattern to continue indefinely?
Monday, September 19, 2011 at 8:46pm

4th grade Math Help
Samuel has 1,482 baseball cards in his collecion. Maria gave Samuel 126 cards. How many cards does he have now? Explain what computation method you used and why. Please Help! Thanks Kevin
Monday, September 19, 2011 at 8:13pm

fith grade math
well i'm trying to do 49 x27 how would you do that?
Monday, September 19, 2011 at 5:41pm

6th grade math
a dog can run as fast as 39.35 miles per hour.without calculating,would about 12,14,or 16 be a reasonable answer for the number of miles a dog could run at this rate in 0.4 hour?Explain your reasoning.
Sunday, September 18, 2011 at 11:51am

7th grade social studies
what are the synonyms of these words? executive ratified confederation independent separation supreme legislature constitution PLEASE HELP!! THANK YOU!!!!!
Saturday, September 17, 2011 at 8:21pm

7th grade social studies
Fill in this blank The number of representatives for each state is determined by _______________. Answer this question What is the system of government established by the Constitution, which gave some powers to the national government and reserved other powers to the state? ...
Saturday, September 17, 2011 at 8:16pm

4th grade math help!
Melvin estimated 645 + 322 by adding 600 + 300. Is his estimated sum an over or under estimate? Ty
Thursday, September 15, 2011 at 9:40pm

Grade 6 math
I have an input 25 and output of 15 the next set is input of 30 output of 18 how do I figure out the rule
Thursday, September 15, 2011 at 9:23pm

4th grade math
name each number in two different ways 2,700 6,300 1,800 91,000 Thanks
Thursday, September 15, 2011 at 9:21pm

6th grade math
1.50.but can you explain more detailed about the 0.2 thingy.
Thursday, September 15, 2011 at 4:23pm

6th grade math
20 cents. but what if the next number is 1.5.Then how will i solve it.
Thursday, September 15, 2011 at 4:19pm

6th grade math
but why is 2.0 bigger than 0.15?
Thursday, September 15, 2011 at 4:15pm

6th grade math
sally's pencil is 15 hundredths of a meter long(0.15).Edward's pencil is 2 tenths a meter long(0.2).whose pencil is longer?
Thursday, September 15, 2011 at 4:02pm

3rd grade math
How would you use a number line to round 148 to the nearest ten?
Wednesday, September 14, 2011 at 10:41pm

fourth grade math
round this number to the nearest thousand 409,614
Wednesday, September 14, 2011 at 10:39pm

3rd grade math
1. Which number does not round to 400? 347 369 413 448
Wednesday, September 14, 2011 at 10:27pm

7th grade math
what is a supplementary angle?
Wednesday, September 14, 2011 at 10:17pm

7th grade math
what are complementary angles? Please help! Thank you!
Wednesday, September 14, 2011 at 10:15pm

3rd grade math
Tyrell says 753 rounds to 800. Sara says 753 rounds to 750. Who is correct? Explain.
Wednesday, September 14, 2011 at 5:25pm

economics
2-4. Based on the information provided in Problem 2-3, what is the opportunity cost to this student of allocating enough additional study time on economics to move her grade up from a 90 to a 100?
Wednesday, September 14, 2011 at 10:57am

7th grade science
All organisms can________________,or produce offspring that are similar to the parents. Please help! Thank you!
Tuesday, September 13, 2011 at 11:06pm

5th grade math
what are the divisidles rules
Tuesday, September 13, 2011 at 7:06pm

5th grade math
what are the divisidles rules
Tuesday, September 13, 2011 at 7:05pm

3rd grade math
A Texas horned lizard laid 37 eggs in one place. To the nearest ten, about how many eggs did the lizard lay?
Tuesday, September 13, 2011 at 6:36pm

Physical Science
A=Vf - Vi divided by 29 seconds Can you please help me. This is 9th grade Physical Science homework.
Tuesday, September 13, 2011 at 6:15pm

math riddles for 7th grade
what was the truck driver doing w/a load of hogs
Tuesday, September 13, 2011 at 5:51pm

5th grade Math
Clue 1: i am greater than 100,000, but less than 120,000. Clue 2: I am divisible by 3. Clue 3: The sum of my digits is 6. Please expalin answer. Thank you.
Tuesday, September 13, 2011 at 4:57pm

5th grade Math
Clue1: i am greater than 500 but less than 1,000. Clue2: My square root is a square number. Also please explain your answer. Thank you.
Tuesday, September 13, 2011 at 4:55pm

6th grade math
maria has 8 pennies, 7 nickels, 7 dimes, and 7 quaters. how can she divide this amount into 3 groups of equal values? what coins would be in each group?
Monday, September 12, 2011 at 9:32pm

6th grade science
Why do you feel fuller when you eat meat than you eat fruits? This is put with an energy assignment.
Monday, September 12, 2011 at 9:07pm

8th grade math
What is the perimeter of a rectangle with a length of 4 2/3 inches and a width of 3 1/3 inches
Monday, September 12, 2011 at 8:58pm

third grade math
Does (4+5) + 2 = 9+2? Explain
Monday, September 12, 2011 at 7:29pm

5th Grade Math
If a hole was dug 5 feet deep and 5 feet in diameter, what would be the volume of dirt removed from the hole?
Monday, September 12, 2011 at 4:02pm

4th grade economy
how would a drought effect Florida's orange economy?
Monday, September 12, 2011 at 3:31pm

3rd grade math
WRITING TO EXPLAIN. How can you use models to show and name the number 1,400 in two different ways? Explain.
Sunday, September 11, 2011 at 8:41pm

6th grade
interview some from 9/11
Sunday, September 11, 2011 at 3:57pm

6th grade
describe yourself mathamatically
Sunday, September 11, 2011 at 3:55pm

Statistics
1. The mean and standard deviation of the grades of a group of students who took an economic exam  were 69 and 7, respectively. The grades have a mound-shaped distribution. According to the Empirical Rule,    a) Approximately 68% of the grades were between which...
Friday, September 9, 2011 at 9:10pm

8th grade math
I need to know how to work this math problem: 3n + (-7) -5n +1
Friday, September 9, 2011 at 5:34pm

8TH GRADE MATH
FOR EVERY TWO M & M PACKS YOU BUY YOU GET TWO FREE IF ONE M & M PACK COSTS 79 CENTS HOW MANY CAN YOU BUY FOR 6.00 DOLLARS 6.00 DIVIDED BY .79? ANS 6? OR 3?
Thursday, September 8, 2011 at 9:00pm

English Grade 11
In George Orwell’s “Politics and the English Language” which author is Orwell referring to as “seventeenth-century Shelley”. My best guess is Mary Wollstonecraft Shelley (1797-1851) author of Frankenstein. Does that seem reasonable? Thank you.
Thursday, September 8, 2011 at 7:32pm

English Grade 11
In George Orwell’s “Politics and the English Language” what is the “B.B.C. Timidity”? Thank you.
Thursday, September 8, 2011 at 7:17pm

5th grade comprehension
The base ball one fit (Thanks) but the football one im looking for is a 15 letter word. the spot from which a ball is snapped in football?
Thursday, September 8, 2011 at 5:46pm

5th grade comprehension
what is the spot from which a ball is snapped in football?
Thursday, September 8, 2011 at 5:28pm

5th grade comprehension
what do you call a three-out move in baseball?
Thursday, September 8, 2011 at 5:27pm

spelling
Need to do a collage with spellin gradeg words for 2nd grade
Thursday, September 8, 2011 at 5:21pm

spelling
Need to do a collage with spellin gradeg words for 2nd grade
Thursday, September 8, 2011 at 5:07pm

5th grade
a three-out move in baseball ( 10 letter word)
Thursday, September 8, 2011 at 4:56pm

5th grade
the spot from which a ball is snapped in football? (15 letter word)
Thursday, September 8, 2011 at 4:55pm

6th grade math
60x60x24x365x186000=???
Thursday, September 8, 2011 at 9:21am

5th grade math
.4 equals how many hundreths? .07 equals how may thousandths? Do you just multiply the .4 by 100 and do you just multiply the .07 by 1000?
Wednesday, September 7, 2011 at 11:11pm

7th grade social studies
what is a coney, on my homework it said it was a common animal in the Hudsonian life zone? Please help! Thankyou!
Wednesday, September 7, 2011 at 10:15pm

math
A class conducts a survey of 1000 students. Of the sixth-grade students surveyed, 12% bring their lunches to school. Suppose 24 sixth-graders do this. How many sixth-graders are at the school?
Wednesday, September 7, 2011 at 9:40pm

5th grade math
I reached into my pocket and found that I have only dimes and quarters. I have $2.00. I have 11 coins. How many dimes do I have? Explain how you found the answer and how you can be sure it is correct.
Wednesday, September 7, 2011 at 8:06pm

3 grade math
How would you use a number line to round 148 to nearest ten ?
Wednesday, September 7, 2011 at 6:22pm

math 6 grade
tell weather the second number is a multiple of the first. 1.1;71, 2.1;18, 3.3;81 4.4;74
Wednesday, September 7, 2011 at 4:54pm

Algebra(Check Please?)9nth Grade
3.) 3x + y = -8 My answer: Y=-8 + -3x 4.)2x - y = 11 My Answer: y=2x + -11 5.) 4x + -8y = 24 My answer: y = 32x + -192 6.) 15x + 10 = -14 - 9x My answer: NEED HELP WITH THIS ONE.
Wednesday, September 7, 2011 at 3:23pm

5th Grade Math
About 7/10 of the U.S population in 1991 believed saying look before you leap to be true (175,104,000). What was the total population?
Tuesday, September 6, 2011 at 5:10pm

3rd grade math
Ashton broke apart a number into 30+7. What number did she start with?
Tuesday, September 6, 2011 at 4:34pm

Math 6th grade
evaluate expression for the value given 4.9 +a for a = 37.2
Tuesday, September 6, 2011 at 4:01pm

U.S history 8th grade
who was the founder of roanoke island? that is the last question on my U.S history worksheet!!!!!
Monday, September 5, 2011 at 9:53pm

social studies
i need help with a U.S history question, how would i describe Roanoke? its an 8th grade U.S history question i need it FAST!!!
Monday, September 5, 2011 at 8:57pm

Subjects
What points, or grades averge in order to pass the 7th grade ??? i'm just asking so that way i can know
Monday, September 5, 2011 at 11:46am

math 5th grade
What are the multiplication combinations for 180?
Monday, September 5, 2011 at 11:05am

Subjects
What's Content Support 7c ???? it says it in my schedule i'm going into the 7th grade this week plzzz answer also wat do u do ????? plzz answer plzzz i kno it's a helping class but do you learn the same thing in ur regular class ????? plzzz answer
Monday, September 5, 2011 at 10:09am

Math, Sci, S.S., English
What's Content Support 7c ???? it says it in my schedule i'm going into the 7th grade this week (wednesday) plzzz answer also wat do u do ????? plzz answer plzzz
Monday, September 5, 2011 at 12:11am

8th grade math
List the integers that can replace n to make the statement -|8| < n < or = to - |-5| true.
Friday, September 2, 2011 at 12:38pm

programming
Design a class named Book that holds a stock number, author, title, price, and number of pages for a book. Include a method that sets all the data files and another that prints the values for each data field. Create the class diagram and write the pseudocode that defines the ...
Thursday, September 1, 2011 at 2:42pm

9th grade History
Was one of the strengths of the Articles of Confederation that Congress could collect taxes from both the states and individuals?
Thursday, September 1, 2011 at 1:24pm

4th Grade Science
How much time will it take for Earth to reach the opposite side of the Sun?
Wednesday, August 31, 2011 at 4:49pm

7th grade math
Is "quantity of" same as a multiplication problem?
Wednesday, August 31, 2011 at 12:43pm

Math
I am in 6th grade and have a math problem that I need help with. How can you use four rods that measure 2cm, 5cm, 7cm and 9cm to measure a length of 1cm?
Wednesday, August 31, 2011 at 12:22am

Math
I am in 6th grade and have a math problem that I need help with. How can you use four rods that measure 2cm, 5cm, 7cm and 9cm to measure a length of 1cm?
Tuesday, August 30, 2011 at 11:57pm

math
i dot know how to do dividing apart and im in 5th grade
Tuesday, August 30, 2011 at 4:47pm

Personal Project :)
Hey I'm Kaela, 9th grade and we're required to do a mini personal project. I can't decide on what to do :/ Anyone help? I'm interested with models, runways, model photo shoots, etc etc. :)
Tuesday, August 30, 2011 at 6:00am

teachers aide early chidhood education and after s
which type of afterschhol game is usually most successful with young children? (a)highly structured group games (b)noncompetitive physical games (my answer) (c)indivual quiet games (d)educational reading and writing games one of the primary concerns of child advocacy groups is...
Monday, August 29, 2011 at 7:06am

Math
Hello, im in 6th grade and im trying to find out the least common multiple of a number and the greatest common factor of a number. I dont know what they are. thanks
Sunday, August 28, 2011 at 8:41pm

6th grade language to Ms. Sue
this is what i think. 1. How pretty the sun is- declarative 2. Don't stand so close to the edge- imparative 3. It was quite chilly at night-exclamatory 4. Look at us riding on mules in this canyon- exclamatory
Sunday, August 28, 2011 at 4:52pm

6th grade language
declarative, imparative, interrogative, or excalmatory? 1. How pretty the sunset is 2. Don't stand so close to the edge 3. It was quite chilly at night 4. Look at us riding on mules in this canyon
Sunday, August 28, 2011 at 4:45pm

ap bio
The number of trophic levels that can be maintained in an ecosystem is limited by: a. a gain in population size b. the loss of potential energy c. the number of individuals in the ecosystem i have chosen a but it is for a grade and i would love some help?? :)
Saturday, August 27, 2011 at 7:45pm

teachers aide curriculum comtent
literary themes understood by all people regardless of their background or the time they live in are (a)universal (b)skill-based(my answer) (c)motivational (d)literature -based what does the curriculum web show? (a)how one theme unites different subjects (my answer) (b)how one...
Saturday, August 27, 2011 at 10:19am

5TH grade math
estimate each sum or differnce. 7.4 + 3.1+ 9.8 How do I do this?
Thursday, August 25, 2011 at 7:24pm

7th grade math
A diver dives from a platform with a height of 11m. What is the change in elevation if the depth of the dive is 4m?
Thursday, August 25, 2011 at 6:17pm

math 7th grade
simplify 2(a^2+2b+2a^2)+b+2c answer: 4a^2+5b+2c also 6a^2-a^2+16=7a^2+16 correct??
Wednesday, August 24, 2011 at 10:26pm

6th grade math
Estamate each sum or diffrence by rounding to the greatest place value. 998,927-100,724 would the answer be 1,000,000-100,000=900,000 Thank you for helping me on my homework!
Monday, August 22, 2011 at 5:23pm

6th grade math
Estamate each sum or diffrence by rounding to the greatest place value. 998,927-100,724 would the answer be 1,000,000-200,000=800,000 :)
Monday, August 22, 2011 at 5:10pm

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