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Homework Help: 11th Grade

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Calculus Grade 12 University
Use the second derivative test to find the local minimum and maximum values of each function, wherever possible. A) f(x) = 16/x + x^2 B) s(t) = t^4 - 8t^3
Friday, March 23, 2012 at 12:08pm

Calculus Grade 12 University
The cost, in dollars, for the production of x felt-tipped pens is C(x) = 48 000 + 0.28x + 0.00001x^2, and the revenue is R(x) = 0.68x - 0.00001x^2. What production level maximizes profit?
Friday, March 23, 2012 at 12:06pm

12th Grade Life Orientation
in 10-15 lines critically discuss five ways in which the human or environmental impact causes within any community in South Africa.
Friday, March 23, 2012 at 10:52am

math
Which choice offers the lowest cost per ounce? 6oz for 42 cents? 8oz for 64 cents? or 4oz for 36 cents? This is 5th grade math assignment?
Thursday, March 22, 2012 at 10:23pm

6th grade english
is indiana jones a mystery story?
Thursday, March 22, 2012 at 10:22pm

to writeacher
i read matthew's post earlier. what is the partnership thing up to friday. how can i join. well i am in 4th grade, but i want to start getting myself encouraged.
Wednesday, March 21, 2012 at 6:49pm

3 grade math ms sue
which is the better unit to use to measure the capacity of a bathtub: milliters or liters? explain your choice. a liter is equal to 100 centiliters. is a centiliter a greater measure than a milliter? expalin
Tuesday, March 20, 2012 at 8:47pm

4th grade fractions
come up with 1 fraction up to 99 that has 2 different prime numbers that can work. For example: 20/30 the prime numbers there are 2 and 5. 20 divided by 2. 30 divided by 2. then it would be 10/15. then you do 10 divided by 5. 15 divided by 5. then it would be 2/3.
Tuesday, March 20, 2012 at 5:48pm

Math
Allison's 11th birthday is just around the corner. Her parents are remodeling her bedroom for her birthday. They will replace her carpet and repaint her walls Allison's Room Height 8ft Width 11ft Length 13ft 1.Allison wants the top 1/2 of her walls painted pink and the...
Tuesday, March 20, 2012 at 5:00pm

Algebra
If I have an 83 average and I take a test that's 1/3 of my grade and get a 60 on it what would be my total average?
Tuesday, March 20, 2012 at 2:42pm

6 grade math
how do you work out this problem, find the height of a parallelogram with an area of 224 square meters and a base of 16 meters.show work please thank you
Monday, March 19, 2012 at 8:29pm

6 grade math
how do you find the height of a triangle with an area of 245 square inches and a base of 14 inches.
Monday, March 19, 2012 at 7:07pm

6 grade math
how do you find the height of a parallelogram with an area of 224 square meters and a base of 16 meters.
Monday, March 19, 2012 at 6:57pm

6 grade math
how do you find the height of an area of 245 square inches and a base of 14 inches.
Monday, March 19, 2012 at 6:54pm

5th grade Math
I need help with the question below. A bicyle tire has a diameter of 24 inches. If a tire rotates for 20 revolutions about how far has the bike rider ridden? Use 3.14 for pi. I know to find the circumference you would do 24 x 3.14 which equal 75.36. I'm not sure what to do...
Monday, March 19, 2012 at 5:10pm

Math
Carlos counted all of the tickets that were taken at a school carnival. Each time he counted 10 tickets, he placed a tally on the chart below. Adult 16 Child 18 Which number sentence could be used to find t, the total number of tickets he counted? A.(16+18)+10=t B.(16+18)-10=t...
Monday, March 19, 2012 at 4:58pm

6th grade english
What does a spectator do? thx for any and all help ☺☻♥♦☻ϒ​6;
Thursday, March 15, 2012 at 6:51pm

6th grade english
In a mystery story, the conflict is given a new name. What is it? Climax, Resolution, Problem, or All of the above? My choice is problem, am I correct?
Thursday, March 15, 2012 at 5:25pm

5th grade maths
x y 36 10 33 9 30 8 27 7 24 6 How do I write an equation to represent the function? Please I need you help.
Wednesday, March 14, 2012 at 4:14pm

Physics grade 12
Find the force of tension in the chain. Determine the force of compression in the support bar. Be sure to include a free body diagram as part of your solution. Now the only information given is a mass=20.4 kg and the angle 22 degrees. If anyone could help me with this question...
Wednesday, March 14, 2012 at 3:44pm

math
chiang picked 12 apples.she gave 1/6 of the apples to each of her 5 frinds.how many apples did each friend get? p.s.i am in 3rd grade
Wednesday, March 14, 2012 at 3:35pm

3rd grade math
What is the difference between the perimeter and the area of a polygon?
Tuesday, March 13, 2012 at 6:40pm

3 grade math ms sue
SUPPOSE MAYA MADE ANOTHER SIGN WITH AN AREA OF 48 SQUARE INCHES. WOULD THIS SIGN BE LARGER OR SMALLER THAN THE SIGN WITH AN AREA OF 48 SQUARE CENTIMETERS? EXPAIN HOW YOU KNOW.
Tuesday, March 13, 2012 at 6:22pm

Physics- grade 12
A ramp leading up to a loading platform is 3 m long and 1 m high at its highest point. If the friction is ignored, what work is needed to slide a 600-kg crate up the ramp at a constant speed? a) 2.00 *10^2 J b) 5.89 *10^2 J c) 1.80 *10^3 J d) 5.88 *10^3 J I believe the answer ...
Tuesday, March 13, 2012 at 5:38pm

Grade 11 math
1.Transform the graph of f(x) = 3^x to sketch g(x) = 3^-(x+1) -2. Show table of values and each transformation clearly to get full marks. 2.Write two equations to represent the same exponential function with a y-intercept of 5 and an asymptote at y = 3. Investigate whether ...
Tuesday, March 13, 2012 at 3:24pm

Math 7th Grade
A car cost $65 per day to rent plus $.35 per mile. Joe rents car for 1 day and drives 115 miles. what is the equation and the solution. The solution is pretty simple $65 + .35x115 = 105.25 I can't figure out the equation.
Monday, March 12, 2012 at 10:38pm

1st grade same sound
which one of the 3 words has the same sound as boat? sol slow do
Monday, March 12, 2012 at 6:59pm

social studies
I need help in evaluating 2nd grade social studies standards according to Arizona Academic standards.
Sunday, March 11, 2012 at 4:28pm

6th Grade Christian History
Why did Christian church come to be ruled by hierarchy? Any and all help is appreciated. ☺♦☻
Saturday, March 10, 2012 at 4:52pm

6th Grade Christian History
Why were the Christians persecuted by the Romans? At first I thought it was because they didn't believe in God. But then I had the question "to the Romans what was appealing about Christianity? What did they like about the teachings?" Please help!! I am sooooo ...
Saturday, March 10, 2012 at 4:16pm

6th Grade Christian History
To the Romans, what was appealing about Christianity? What did they like about the teachings? Why were the Christians persecuted by the Romans?
Friday, March 9, 2012 at 7:59pm

6th Grade Christian History
What is the difference between the old and new testament of the Holy Bible?
Friday, March 9, 2012 at 7:24pm

6th Grade Christian History
is anybody a christian on here? if so what are some of the things christians do that are different than other religions. I'd appreciate it. ☺♦☻
Friday, March 9, 2012 at 7:12pm

6th Grade Christian History
Who made Christianity the official religion of Rome?
Friday, March 9, 2012 at 3:15pm

6th Grade Christian History
after a rebellion in 132 AD, the Romans____________, a) were defeated by the Jews b) banned the Jews from returning to Jerusalem c) imprisoned the Jews and made them all slaves d) crucified Jesus and threatened his followers my answer: b, am I correct
Friday, March 9, 2012 at 2:56pm

6th Grade Christian History
When Jesus cam as a stranger what did the blessed ones do? My answer: They invited him inside. They fed him if was hungry, gave him water if he was thirsty. They took care of him and made him feel as he belonged. Even though they didn't know it was jesus.
Friday, March 9, 2012 at 2:00pm

7th grade health
true or false if false what is the real word MOOD DISORDER are a variety of psychological conditions that affect a person's ability to get along with others. Please help. thank you
Thursday, March 8, 2012 at 8:11pm

4th grade
mark knows his yard is 2 1/4 times as long as the width
Thursday, March 8, 2012 at 8:04pm

3 grade math ms sue
Name the lengths of the sides of three rectangles with perimeters of 12 units. Use only whole numbers. My son did -2-4-2-4 And one more 1-5-1-5 And one more 3-3-3-3 And I need one more rectangles number how you can make
Thursday, March 8, 2012 at 7:49am

Catering(Gourmet Essentials)
THURSDAY March 8, 2012 SCHOOL SUBJECTS - Art - Business - Computers - English - Foreign Languages - Health - Home Economics - Math - Music - Physical Education - Science - Social Studies GRADE LEVELS - Preschool - Kindergarten - Elementary School - 1st Grade - 2nd Grade - 3rd...
Thursday, March 8, 2012 at 6:03am

4th grade math
a jar contains 4 blue marbles and 1 yellow marble. If Carol picks one marble without looking, what is the probability that she will pick a blue marble? a 1 out 5 b 1 out of 4 c 3 out of 4 d not here
Wednesday, March 7, 2012 at 9:05pm

Ms.Sue (ONLY)
can you plz help me in science? PLZ HELP ME! YOU HELP ALL THE TIME! *begs* plz help! i am my knees!!!!! (really i am!) its called "science 8th grade"
Wednesday, March 7, 2012 at 7:36pm

science 8th grade
ok, i don't have answer to these questions! #8: The interaction of air, water, and _________ causes weather. #9: Violent storms generally form where? #10:clouds form as warm air rises, expands, cools, and becomes saturated, and then _______________ condense(s) into tiny ...
Wednesday, March 7, 2012 at 6:53pm

6th grade math
If the volume of a rectangular solid is 80 cu inches, what dimensions will give the least amount of surface area?
Tuesday, March 6, 2012 at 9:14pm

4th grade iconimics
a total of 200 raffle tickets have been sold, and 50 of those tickets will win prizes.if you have only one raffle ticket, what are the chances that you that you will win a prize? A- 1 in 3 B- 1 in 4 c- 1 in 5 D- 1 in 6 E- NG (not given) I think the answer is C.
Tuesday, March 6, 2012 at 7:06pm

math
at hill school 112 new books arrived for each grade 2nd, 3rd and 4th which shows one way to find about how many books arrived at the school in all
Tuesday, March 6, 2012 at 3:38pm

Math
I'm in 5th grade and here's my question: I have to write which fraction represents the ratio of corresponding sides? There are 2 triangles. One triangle has the measurements 3in., 9in. and 6in. The other triangle is 18in., 54in. and 36in. Thank you.
Monday, March 5, 2012 at 8:04pm

math
How do you show this as a unit rate 360 jars in 18 cases I'm in sixth grade and need help now!!!!!!!!!!
Monday, March 5, 2012 at 7:46pm

6th Grade History
1. What was the importance of the Dead Sea Scrolls and according to them who was to survive? 2. How did John the Baptist convert people? I will post my answers in just a sec.
Monday, March 5, 2012 at 4:43pm

6th Grade History: Writeteacher
On my question earlier; What does "on the landward side" mean? A) away from the volcano B) toward the volcano C) on the far side of the bay D) on the sea floor there was not a picture or anything like that. What would you say it is? A or B
Monday, March 5, 2012 at 4:07pm

6th Grade History
What was Jesus arrested and crucified for?
Monday, March 5, 2012 at 2:11pm

6th Grade History
in a.d 100's the roman empire surrounded what sea? Mediterranean Sea, Caspian Sea, Red Sea, or the Roman Empire was landlocked. I am not sure at all.... Please Help.
Monday, March 5, 2012 at 1:33pm

6th Grade History
What does "on the landward side" mean? A) away from the volcano B) toward the volcano C) on the far side of the bay D) on the sea floor my answer: d) on the sea floor. Am I correct? Thanks for all and any help in advance.
Monday, March 5, 2012 at 1:19pm

Trigonometry
Liola drives 13 km up a hill that is at a grade of 10 Degrees what horizontal distance to the nearest tenth of kilometer has she covered
Monday, March 5, 2012 at 1:06pm

8th grade math
how do you make an equation that is parallel to another equation? how do you make an equation that is perpendicular to another equation? please help and explain. Thank you.
Sunday, March 4, 2012 at 9:18pm

8th grade math
How do you turn these equation into a standard form? this is the standard form: ax+by=c here are the following equations: 2x = y + 1/2 y - 2 = 1/4x + 1 3y + 3 = 6x - 15 Please help and explain. Thank you.
Sunday, March 4, 2012 at 9:09pm

8th grade math
2x=y+1/2 how do you turn this equation into an equation that is ax+by=c? Please help and explain. Thank you.
Sunday, March 4, 2012 at 8:38pm

5th Grade Math
I'm trying to figure out what the answer would be to this question... a single serving container of yogurt has a capacity of 8 ____. My choices are oz,lb, T,fl oz, c, pt, qt,or gal. I was originally thinking oz but that is weight and not capacity. Then I though maybe fl oz...
Sunday, March 4, 2012 at 3:20pm

Maths 10th grade
1-The roots of x2 - 6x + m - 3=0 are x1 and x2.If 2x1 - 3x2= 2 is given, find m? 2-Given the inequalities x-2 ______ < 0 and x2 - 4x - 5<0 , find the solution set. x-4
Sunday, March 4, 2012 at 3:06pm

6th grade science
How do the surface proteins on a virus help it to invade a host cell?
Sunday, March 4, 2012 at 1:44pm

6th Grade Math
Simon went to the store to buy new school supplies. Simon spent 1/4 of his money on pencils and paper and 1/2 of his money on a backpack. If Simon has $12.50 leftover, how much did the backpack cost?
Sunday, March 4, 2012 at 11:29am

6th Grade History
Explain the meaning behind the term Pax Romana. Thanks in advance
Saturday, March 3, 2012 at 8:49pm

6th Grade History
Who do you think was a more important leader, Julius Caesar or Augustus? Explain.
Saturday, March 3, 2012 at 8:22pm

6th Grade Geography
Who ruled after Augustus?
Saturday, March 3, 2012 at 7:48pm

9th grade physics
If a transparent material has a refractive of 2.0; a) calculate the critical angle b) if the refractive index were less than 2,0, would the critical angle be greater or less than before? Im super confused at this :(
Saturday, March 3, 2012 at 1:06am

8th grade math
I need someone to explain how to solve equations with two variables and tell me what the formula or equation is? Please help and explain. Thank you!
Thursday, March 1, 2012 at 9:36pm

math 2nd grade
Makoto and Otis each decorate diamond patterns that are the same size and shape. Makoto deoorates 1/8 of a diamond. Otis decorate 1/4 of a diamond. Who decorates more
Wednesday, February 29, 2012 at 11:15pm

1st grade math
what addition fact can help you find 14-4? explain
Wednesday, February 29, 2012 at 9:50pm

math 2nd grade
valarie makes 2 pans of brownies for a bake sale. She cuts each pan into 12 brownies. She sell 15 brownies. What fractional part of a pan of brownies did valarie sell?
Wednesday, February 29, 2012 at 9:49pm

math 2nd grade
simon ate 3/2 slices of an apple. Did he eat less than a whole apple or more than the whole apple. Draw a picture to show your answer
Wednesday, February 29, 2012 at 9:31pm

5th grade Math
Insert parentheses in the false number sentence to make it true. -3+5*2-(-6)=37
Wednesday, February 29, 2012 at 9:23pm

grade 10 chemistry
factor labels 200ml per hour to kl per year
Wednesday, February 29, 2012 at 7:54pm

Math
Explain in writting how to divide .12 by 8. (without using fractions) fifth grade
Wednesday, February 29, 2012 at 7:04pm

8th grade math
please help me write an inequality for this paragraph. Brandon and Rayna have $40 to spent at the concert and would like to purchase some souvenir programs for friends who cannot attend. They are able to buy pr0grams at $8 each, but want to keep $10 for food. How many programs...
Tuesday, February 28, 2012 at 9:24pm

HELP!!!
I'm in 6th grade and I'm doingt his weird project about how Egyptians stuffed pharaoh's nostrils and stuff. So, the question is: WHAT MATERIAL WAS USED TO PLUG THE EYE SOCKETS???? I know it's gross!
Tuesday, February 28, 2012 at 8:33pm

math grade 6
a carpainter made 20 pieces of furniture comprising of 74 legs. stool of 3 legs and chairs of 4 legs. How many chairs and stools did he make.
Tuesday, February 28, 2012 at 5:05am

5th Grade Math
?/29 - 7/29 + 21/29 = 1 7/13 = ?/13 - 11/13 = 1 Someone help me solve two problems. THANKYOU
Monday, February 27, 2012 at 10:34pm

Economics
Hi, I was wondering if you know any good websites were I can review for a grade 12 economics exam?
Monday, February 27, 2012 at 10:11pm

Grammer
I am studying my pronouns right now for sixth grade, while i was looking over the words,i saw that the word THAT is a pronoun, how can it be a pronoun?
Monday, February 27, 2012 at 9:55pm

Geometry
To the nearest degree, what angle does a hill with a grade of 11% make with a horizontal line?
Monday, February 27, 2012 at 9:36pm

7th grade science
What is a very good website to find instructions for newly formed cells on how to carry cytokinesis? Please help!!! Thank you!!
Monday, February 27, 2012 at 9:31pm

English
Writeacher, I left out a sentence I would like you to check. 1) Mr. Gradgrind's name is composed of two words: Gradgrind: Grade: a particular standard or level of quality of a product + Grind: to crush into powder. Actually, he crushes his students with rules.
Monday, February 27, 2012 at 7:00pm

3RD GRADE MATH
NAME 2 SMALLER ARRAYS YOU CAN USE TO FIND THE PRODUCT. 8X6=
Monday, February 27, 2012 at 4:23pm

8th grade math
what is symbolic reasoning? Please help and explain. Thank you!
Sunday, February 26, 2012 at 8:11pm

Java
create a java program that accepts students names, and test scores from a file, and displays theri name, average score and letter grade to the screen.
Friday, February 24, 2012 at 9:55pm

Physics - grade 11
The speed of light of a plastic is 1.4x10^8. What is the index of refraction in the plastic?
Friday, February 24, 2012 at 12:14am

8th grade math
how would i graph this inequality? 14x-23<5x+13
Thursday, February 23, 2012 at 10:13pm

7th grade social studies
what was the Texas-Santa Fe expedition, and what were the results? Please explain, help, and thank you very much.
Thursday, February 23, 2012 at 10:02pm

7th grade science
definition of cell cycle
Thursday, February 23, 2012 at 9:41pm

5th grade math
holly's garden is divided into 5 equal sections. she will fence the garden into 3 areas by grouping some equal sections together. what part of the garden could each fenced area be?
Thursday, February 23, 2012 at 9:27pm

Easy 4th Grade Math
What are things that have symmetry in a house?
Thursday, February 23, 2012 at 7:53pm

7th Grade Math
You are pouring water from a cylindrical can is 7 cm in diameter and 10 cm high into a rectangular pan that is 20 cm in width, 9 cm in length and 14 cm deep. How many cans, can you pour into the pan? Use 22/7 for pi.
Thursday, February 23, 2012 at 7:24pm

algorithms
in Table E [N] are the names of the students, in Table L [M] are the names of the subjects, in Table T [N, M] are the grades of students for each subject. to find the student with the highest grade in the class "Math" (name of the subject given by keypad)
Thursday, February 23, 2012 at 1:38pm

Physics - Grade 12
A bowling ball that weighs 70N is dropped from a tower 15m above the ground. Disregarding air friction, what is the kinetic energy (KE) of the ball when it reaches the ground?
Tuesday, February 21, 2012 at 11:33pm

7th grade health
What is the scrambled word? Here is the definition. Mineral that helps regulate fluid balance in the body. Here is the scrambled word. samuposti Please help thank you
Tuesday, February 21, 2012 at 10:53pm

7th grade health
What does anemic mean?
Tuesday, February 21, 2012 at 10:47pm

8th grade math
At Maryland Middle School, there are 9 mathematics classes. If two mathematics classes are selected for a school competition, what is the number of possible outcomes?
Tuesday, February 21, 2012 at 9:43pm

8th grade math
George has a bag of marbles. Inside the bag are 5 red marbles, 3 green marbles, and 2 blue marbles. He draws out two marbles in a row, without replacement. What is the number of outcomes?
Tuesday, February 21, 2012 at 9:39pm

programming logic
The program will accept user input to store the student's first and last name . If the name is ZZZ, then the program will end. The program will accept: a text entry for the class number (e.g., CGS 1000, COP 1000, etc.) a numeric value for the class grade a value of ZZZ ...
Monday, February 20, 2012 at 10:36am

Careers
What Grade 12 courses would I need to take in order to be an accountant? Are there any other requirements?
Sunday, February 19, 2012 at 4:49pm

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