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March 26, 2015

Homework Help: 12th Grade

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5th grade
Can you explain what the "Silk Road" is?
Monday, September 15, 2008 at 5:21pm

9th grade
how earth rotates?
Sunday, September 14, 2008 at 11:35am

4th grade
Where on a glacier are moraines found?
Saturday, September 13, 2008 at 11:23am

7th grade math
How do you convert 5/16 to a decimal??
Friday, September 12, 2008 at 6:55pm

5th grade
how do you do a paragraph paw
Thursday, September 11, 2008 at 11:01pm

5th grade
What are the properties that helps scientist?
Thursday, September 11, 2008 at 5:14pm

7th grade math
10-3y=1 find the value of y
Wednesday, September 10, 2008 at 8:49pm

7th grade science
Are volcano's alive?
Wednesday, September 10, 2008 at 6:31pm

math
polk elementry school has three classes for each grade level, kindergarten through fifth grade. If there is an average of 27 students how many students attend polk elementry school?
Wednesday, September 10, 2008 at 5:33pm

2nd grade
how we can find the mode of data
Tuesday, September 9, 2008 at 6:54pm

2nd grade
what is the synonym for brown?
Tuesday, September 9, 2008 at 6:13pm

3rd grade
what continent is south of europe
Monday, September 8, 2008 at 9:46pm

trig
in an algebra class of 21 students the mean grade on a test was 87; in another class with 32 students the mean grade was 81. What is the combined mean of the two classed? my teacher said it's 21 * 87 + 32 * 81/53= 83.4 but i'm not sure where the 53 came from.. thanks ...
Monday, September 8, 2008 at 9:13pm

trig.
in an algebra class of 21 students the mean grade on a test was 87; in another class with 32 students the mean grade was 81. What is the combined mean of the two classed? my teacher said it's 21 * 87 + 32 * 81/53= 83.4 but i'm not sure where the 53 came from.. thanks ...
Monday, September 8, 2008 at 8:24pm

6th grade
What was a mansion like in the 80's
Monday, September 8, 2008 at 7:43pm

5th grade math
I need help to solve for n n/80=30
Monday, September 8, 2008 at 6:30pm

6th grade math
A+B = A-B what are A and b
Sunday, September 7, 2008 at 10:20pm

5th grade
how many thousandths are in a hundredth?
Sunday, September 7, 2008 at 8:58pm

6th grade
unscramble the work broanalse
Sunday, September 7, 2008 at 4:09pm

10th grade math
3(x-2)= 4-(x-2)
Saturday, September 6, 2008 at 11:58am

11th grade
what exactly is chemistry?
Thursday, September 4, 2008 at 5:33pm

9th grade
what is social health?
Thursday, September 4, 2008 at 3:25pm

writing
does anyone on here know how to grade a SAT essay?
Thursday, September 4, 2008 at 12:31pm

7th grade
wht is the 8 parts of speech
Wednesday, September 3, 2008 at 8:35pm

9th grade
whatis 1=1
Tuesday, September 2, 2008 at 3:10pm

1st grade
What is the format to do a book report
Friday, August 29, 2008 at 11:29am

4th grade
what is 7 d in w
Friday, August 29, 2008 at 10:42am

math grade 12
solve for n if P(n,3)=2c(n,2), n{N
Thursday, August 28, 2008 at 8:03pm

5th grade
i need help with factors
Tuesday, August 26, 2008 at 8:25pm

4th grade
What are the communtative property of addition?
Monday, August 25, 2008 at 9:16pm

4th grade
how to use lattice method?
Friday, August 22, 2008 at 7:53am

8th grade science
what is an example of suspension
Wednesday, August 20, 2008 at 9:09pm

Help Help
Consider the following selection statement where X is an integer test score between 0 and 100. input X if (0 <= X and X < 49) output "you fail" else if (50 <= X and X < 70) output "your grade is" X output "you did OK" else if (70 <...
Wednesday, June 11, 2008 at 4:54pm

programming
Can You Please help me understand how to do this and what i have to do to solve the problem.... Please!! Consider the following selection statement where X is an integer test score between 0 and 100. input X if (0 <= X and X < 49) output "you fail" else if (50...
Wednesday, June 11, 2008 at 4:53pm

grade 5 math
the grade 5 class decided to collect cans of food to donate to the food bank .After the 1st week ,they had collected 8 cans . The next week they collected 11 more . By the 3 rd week they had 31 cans Following this pattern how long will it take for them to reach there goal of ...
Sunday, May 4, 2008 at 9:47pm

6th Grade Math
I really don't know what to do on this question. If someone could start me off I could probably get the answer. Remember I am in 6th grade. Dani has a sack of 50 pens. Of these, 10 are black, 15 are blue, and the rest are red. If she grabs a handful of 5 pens, how many ...
Monday, April 21, 2008 at 7:19pm

Math
1) If the sum of the first n terms of a series is Sn where Sn=2n²-n, (a)prove that the series is an AP, stating the first term and the common difference; (b)find the sum of the terms from the 3rd to the 12th inclusive 2) In an AP the 6th term is half the 4th term and the ...
Thursday, April 17, 2008 at 2:32pm

math
1) If the sum of the first n terms of a series is Sn where Sn=2n²-n, (a)prove that the series is an AP, stating the first term and the common difference; (b)find the sum of the terms from the 3rd to the 12th inclusive 2) In an AP the 6th term is half the 4th term and the ...
Thursday, April 17, 2008 at 12:34pm

7th grade math
PV/nR=T find the value for n
Monday, March 31, 2008 at 7:58pm

Algebra 4th grade
Evaluate each expression for x = 3 2x x (3x) + 5 --- 6
Tuesday, March 18, 2008 at 6:38pm

proofread
Hi, can someone proofread this for me. I'll appreciate it. Thanks in advance. The practicum site I selected is an elementary school. I will be assisting a first grade teacher during the semester. I will be helping her with her students and with other teacher ...
Sunday, February 3, 2008 at 11:34pm

Math
Can i please get your help on fractions and i am in the 7 th grade
Wednesday, January 30, 2008 at 5:49pm

7th grade geometry
pr/ac = ?/cb pr=6,ac=?, cb=15
Monday, January 28, 2008 at 6:52pm

3rd grade english
wat is a noun
Sunday, January 27, 2008 at 2:34pm

4th grade Algebra
How to solve this problem. 3X-Y=12
Thursday, January 24, 2008 at 5:53pm

5th Grade Math Problem
If 1=4, 2=7, 4=13, 5=16, 8=25, what is the pattern?
Thursday, December 20, 2007 at 6:17pm

Grade 10 MATH
17^115
Wednesday, December 5, 2007 at 7:56pm

math
An instructor counts homework as 1/3 of the student's grade and the final exam to be 2/3 of the student's final grade. Going into the final exam a student has a homework grade of 48%. What range of scores on the final exam would put the student's final average ...
Sunday, September 30, 2007 at 8:08pm

Math
I am tring to finish my 10th grade. I got hurt last Jan. 2007. And was force to quit public school. In short of every. I started online schooling and I have to write an essay for a final grade in Math compare three college to each other and make a graph telling which school ...
Thursday, September 13, 2007 at 9:54am

Social Studies
How do you start a community? Please explain your question. Are you asking about how to start a town of people? Or a community of crayfish? Or a special interest community, such as a club or a church? We'll be glad to help you if you clarify your question. We are asking ...
Thursday, August 16, 2007 at 7:01pm

Government
If no presidential candidate wins a majority of electoral votes, who can choose the president. http://www.usconstitution.net/const.html​#A2Sec1 In addition to the above excellent answer please consider the following. The lack of any candidate receiving a majority if the ...
Saturday, July 14, 2007 at 11:38pm

physics-please check
is this right?: when a form of energy changes from one form to another some energy may transfrm into a useful form, those useful form of energy is high grade energy.while the rest of the energy will always change to form we cannot use.which is called the low grade energy. if i...
Monday, May 14, 2007 at 4:46am

algebra
Sam must have an average of 70 or more in his summer course to obtain a grade of C. His first three test grades were 75,63, and 68. write an inequality representing the score that sam must get on the last test to get a C grade http://www.jiskha.com/display.cgi?id=116​...
Tuesday, April 24, 2007 at 11:47pm

1st grade math please help!!!
8...
Tuesday, April 24, 2007 at 10:29pm

trig
it says solve for all real solutions, compute inverse functions to 4 sigfigs. cos^2x=3-5cosx Devon, what grade level are these questions from? I am having the same problems as with your 9:14 post. Please see my partial solution in the post to bobpursely at 10:54 Devon, I have ...
Monday, April 16, 2007 at 9:57pm

Math
Are you trying to solve for x, n or p? solve for n Show me how to work this problem. 2n = 4xp - 6 what is the problem? what grade r u in iam in 6 grade To get n all by itself, you need to divide by 2. But if you divide by 2 on the left, you have to divide by 2 on the right...
Wednesday, March 14, 2007 at 8:22pm

math
Derivatives are usually not taught in 5th grade. That is what your question is about: Rates of change. Complete the following statements with the correct words Note: Correct spelling is important. If s(t) is a distance (or height or position) function, then s'(t) would be ...
Monday, February 19, 2007 at 10:00pm

math
how do you do fractionation? huh??/ What grade are u in?
Wednesday, February 7, 2007 at 7:19pm

Math Help Please (I Am New In This Website)
How do you multiply 367 by 72? the answer depends on your grade. Tell us what Grade in School you are in. Multiply 367 by 2; write down the answer. Multiply 367 by 70; add it to the answer above. Let us know what your answer is and someone here will give you feedback.
Saturday, January 27, 2007 at 7:55pm

math,correction
can someone correct this for me please. Statistics. Sam must have an average of 70 or more in his summer course to obtain a grade of C. His first three test grades were 75,63, and 68. Write an inequality representing the score that Sam must get on the last test to get a C ...
Tuesday, January 9, 2007 at 7:38pm

math correction
can someone correct this for me.or teach me if i'm wrong Statistics. Sam must have an average of 70 or more in his summer course to obtain a grade of C. His first three test grades were 75,63, and 68. Write an inequality representing the score that Sam must get on the last...
Monday, January 8, 2007 at 1:45pm

English
In my class we're doing abbreviations, and I'm entirely stuck on this one. The abbreviation is NAmlnd. I'm guessing the first two words is North America, and I'm not sure what the last four letters stand for. Since this came from a crossword puzzle, in all, the...
Wednesday, January 3, 2007 at 9:05pm

Algebra1234567890!
(-mn8)3 would it be: -m^3n^3164 (-mn8)3 = -24mn Without carrots I have no idea where your exponents are. how?I don't get this one? Is this Sandro from Mrs.Pfeiffer's class?What grade are you in? Leo is saying you need to use carets to show an exponent. As you have ...
Wednesday, November 8, 2006 at 5:44pm

Noiuns
Our son's 3rd grade teacher gave out a homework assignment which had the students make a sentence for each of their spelling words and then circle the "noun" in the sentence. We received his homework back from the teacher with the words, "I, you, He", ...
Wednesday, October 25, 2006 at 7:25pm

physics
I'm supposed to design a device that will protect a raw egg, GRADE A, (not that its really important to know what kind of egg it is... LOL) But, it will drop from a 12 FOOT height to a concrete floor. The only materials that I'm allowed is about 9 sheets of "8.5 X...
Friday, October 13, 2006 at 11:20am

homework !!
My daughter did excellent in school last year (grade 1) She was reading at a grade 2 level, and loved school. Now, she says she can't read, won't read and when she tries she is getting all the small words wrong. Is she playing me or does she have a problem?? My first ...
Tuesday, September 19, 2006 at 3:01pm

Language Arts
I left my McMillian text book for language arts in school today and I have homework on page 2 and 3. I'm in the 6th grade does anyone have that book. I really really need those questions. I don't know if this gives page numbers that correspond with your text or even if...
Monday, September 11, 2006 at 5:04pm

math question
hi, i have a math question that i need help with: when data are non-numerical but can be ordered, such as letter grades, the mean cannot be calculated directly; but both the median and mode can be found. Last year in Ms. Flag's history course, the final grades were 8A'...
Tuesday, August 29, 2006 at 3:17pm

english
Why do newspapers and magazines use difficult words in their articles? Thank you for using the Jiskha Homework Help. The best way to increase your vocabulary is by reading. When you encounter a word you do not know, look it up in a dictionary and make it part of your working ...
Saturday, August 19, 2006 at 10:00am

6 grade math
Choose all statements that are not true. a 20% of 20 is 4 b 30% of 30 is 9 c 40% of 50 is 15 d 50% of 110 is 60 e 60% of 60 is 360 The answer I choose is all of them. Is this correct.
Thursday, March 26, 2015 at 7:55pm

5th grade math
Find the value of 'n' to make each statement true. 1. 22 times n is between 80 and 85
Thursday, March 26, 2015 at 7:16pm

5th grade math
Find the value of 'n' to make each statment true. 1.22 x n is between 80 and 85
Thursday, March 26, 2015 at 6:59pm

7th grade math (probability)
Can you check these, please? Ten cards numbered 1 through 10 are mixed together and then one card is drawn. Find the probability of each event. Write each answer as a fraction, percent, and decimal. 14. P(less than 5) = 4/10 = 2/5 Ans: 2/5, 40%, 0.4 15. P(greater than 3) = 7/...
Thursday, March 26, 2015 at 6:42pm

4th grade math
The drill team is selling cookies to raise money. It costs .78$ to make each cookie. They sell them for $1.50 each. If they sell 253 cookies, how much profit will they make? Do I have to subtract the .78 from 1.50 then multiply that answer by 253? Or do i forget about the $1....
Tuesday, March 24, 2015 at 6:07pm

Science grade 8
Which chemical equation is balanced? 1. H20 H 2 + 20 2 2. 2H20 2H2 +0 2 3. 2H20 H2 + 20 2 4. H2O 2H2 + 20 2 Im super confused... But I think its 4?? Im probably wrong so please help?!?!
Monday, March 23, 2015 at 6:03pm

english grade 8
11. Which sentence contains a predicate pronoun as a subject complement ? (1 point) A. The best person for the job is she. B. The ground is sloping and uneven. C. We Wondered what happened to him. D. Amy is employee of the week. I think it's C or D , help ?
Monday, March 23, 2015 at 12:16pm

MATHEMATICAL LITERACY,ECONOMICS,TOURISM AND BUSINE
WHAT CAREER CAN I SUDY WITH THE FOLLOWING SUBJECT? AM STUDYING GRADE 10 AT HLONIPHA HIGH SCHOOL
Monday, March 23, 2015 at 11:35am

math
For more than 4000 years the Great Pyramid of Giza stood as the tallest structure in the world. After it was completed, the pyramid stood an amazing 481 feet high. Y 9 th. grade math Semester Project: The Great Pyramid of Giza
Thursday, March 19, 2015 at 7:46am

3rd grade math
what is the standard form of 213
Wednesday, March 18, 2015 at 6:32pm

4th grade math
What is the fomula to figure out the reasoning to this question? "Kurt cut pizzas into wedges measuring 40 degrees. If each person eats one piece of pizza, how many people could he feed with two whole pizzas?
Wednesday, March 18, 2015 at 5:26pm

Math - 7th grade (repost)
Can someone please help? I'm given a box and whisker plot that represents the cost, in dollars, of 12 CDs. How can I determine how many CD's cost between $14.60 (Q1 value) and $26 (Q3 value) and how many CD's cost less than $14.60?
Wednesday, March 18, 2015 at 7:08am

Math - 7th grade
I'm given a box and whisker plot that represents the cost, in dollars, of 12 CDs. How can I determine how many CD's cost between $14.60 (Q1 value) and $26 (Q3 value) and how many CD's cost less than $14.60?
Tuesday, March 17, 2015 at 11:36pm

Math 7th grade
Geraldo bought some computer software on layaway. He paid $12 down and must make a payment of $5 each week for 4 weeks. How much will Geraldo pay in all?
Monday, March 16, 2015 at 7:54pm

Math
the eighth grade students are selling magazine subscriptions to raise money for a class trip. they earn $3 for every subscription they sell. so far, they have earned $228 of the $396 needed. how many more subscriptions must the students sell to meet their goal?
Monday, March 16, 2015 at 7:25pm

3 rd grade Math
If the hexagon represents one whole, what fractions do the trapezoid, the parallelogram, and the triangle represent? explain how you found your answers. can anybody please explain this how to tell to my son.
Monday, March 16, 2015 at 4:08pm

Language Arts second grade
I had to make a complete sentence using, won't, turn and on. I could add any additional words. My sentence is ...The tv won't turn on mom and dad. My mom says that's not correct grammar?
Monday, March 16, 2015 at 3:57pm

math(5th grade)
some 1 centimeter squares are arranged in a staircase pattern. The drawing below shows a 3 step staircase. the area is 6 square centimeters and the perimeter is 12 centimeters. what is the area and perimeter of a 10 step staircase? pls help!
Monday, March 16, 2015 at 12:36am

7th grade geometry
When wrapping a present in the shape of a rectangle prism, joe adds an additional 2.5 feet of paper to allow for overlap. How many sq ft does he use to wrap a gift 3.5 ft long, 18 inches wide, and 2 ft high?
Thursday, March 12, 2015 at 5:34pm

5th grade Math
4 x blank is greater than 12 but less than 16. Answers can be in mixed fractions and/or improper fraction. Can someone please explain how to do this?
Wednesday, March 11, 2015 at 8:56pm

Math 5th grade
John brings fruit punch to a school party. He brings 6 gallons of fruit punch but the students only drink 3/4 of it. How much did they drink?
Wednesday, March 11, 2015 at 8:48pm

Math - 7th grade
Can you check following? 1. The football association wants to increase the number of students who attend the football games for the upcoming season. In order to accomplish this, the association is surveying students to gain more information about student interest in sports. ...
Wednesday, March 11, 2015 at 7:56pm

4th grade Science
why are acids that are found in the stomach and sweat important? HELP
Monday, March 9, 2015 at 10:06pm

3rd grade fraction
Antonio has 15 pennies in his pocket. Five eighths of his coins are pennies. How many coins does Antonio have in his pocket.
Monday, March 9, 2015 at 9:31pm

4th grade Science
explain how your circulatory and immune systems work together to keep you healthy. Pleaseeeee help!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Monday, March 9, 2015 at 9:25pm

math
(ASAP!!) can somebody tell me the answers to the measurement test on Connexus academy lesson 17 unit 2 measurement test, so I get a good grade.
Sunday, March 8, 2015 at 7:42pm

5th grade Science
A plastic boat has a mass of 3600g and a volume of 1200cm cubed; what is the density? I figured out the answer to this first ? is 3g/cm cubed I need help with Does the boat float in water? Why or Why not?
Sunday, March 8, 2015 at 5:43pm

11th Grade Geometry
A yardstick casts a shadow of 24 in. at the same time a telephone pole casts a shadow of 20 ft 8 in. What is the height of the telephone pole, to the nearest inch? (1 yd = 36 in., and 1 ft = 12 in.)
Friday, March 6, 2015 at 12:39pm

5th grade math
Kallisto built a rectangular sign that measured 2 3/4 feet in length by 1 1/2 feet in width. To find the area, multiply the length and width. what is the area of the sign in square feet? Write an equation to solve. 2 3/4 1 1/2 +2 3/4 1 1/2 =11/1/2 ------ ----- 4 6/4= 2 2/2=3
Thursday, March 5, 2015 at 11:26pm

5th grade math
It takes Marty 1 1/4 hours to get ready for school. If 1/5 of that time is used to shower, what fraction of an hour does it take him to shower? 1/4answer
Thursday, March 5, 2015 at 11:18pm

math 5th grade
if you have a drawer with 10 black socks and 8 white socks, what is the probability that you would reach in and choose a white sock without looking?
Thursday, March 5, 2015 at 6:26pm

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