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September 21, 2014

Homework Help: 9th Grade

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6th grade math
How do you do square route i know a little like square route of 9 is 3 but i need more practice with square routes do you know any websites that can help.
Thursday, May 2, 2013 at 5:08pm

5th grade Math
How do you add fractions with different denominators? Thanks if you help :)
Wednesday, May 1, 2013 at 3:33pm

6th grade grammar please help
I need a good grade in grammar so please check my answers! Identify the object of the preposition in each of the following sentences. 1. Ashley and her father arrived home from work. a. and b . father c. from d. work 2. Ashley’s bedroom was across the hall. a. bedroom b. ...
Tuesday, April 30, 2013 at 9:20pm

4th grade math
Thank you every much. Have a great night.
Tuesday, April 30, 2013 at 9:15pm

4th grade math
So far John has run 1/4 of the way to school and walked 3/8 of the way. what fraction of the distance to school does John have left.
Tuesday, April 30, 2013 at 8:59pm

3rd grade math
draw a box that has 3 valumes of 12 cubic units in 3 different ways
Tuesday, April 30, 2013 at 8:03pm

7th Grade Math
If a diameter of a circle (which is 18 inches) is tripled, can the expression 9 (254.34 in square) be used to find the new circle? I know the answer is yes but I can't figure out how you work it! I come with 9(1,107.36 in square) but apparently that is not correct.... ...
Tuesday, April 30, 2013 at 6:23pm

4 grade math
gina ate 1/6 of an apple pie. Greg ate 1/2 of the same apple pie. how much of the apple pie was left
Tuesday, April 30, 2013 at 5:51pm

grade 12 chemistry
explain the concept of a “stock solution” and standard solutions as if you were explaining it to a friend who is not studying chemistry.
Tuesday, April 30, 2013 at 3:18am

5 th grade math
pilar has 4 marbles in a bag .they are green,red,blue,and yellow.she chooses a marble without looking,replaces it,and then chooses another marble.if she wants to get a green marble exactly 1 time out out of the 2 draws,how many favorable outcomes are possible?
Sunday, April 28, 2013 at 1:33pm

School (Plz read, really important)
Am I eligible to get a President's Award for Educational Excellence or the President's Award for Educational Achievement and Daughters of the American Revolution??? Here are my grades from last year and this year so far and everything else I accomplish: 7th Grade - 93....
Sunday, April 28, 2013 at 12:40pm

math
jim has grades of 84, 65, 76 on three tests. what grade must he obtain on the next test to have an average of exactly 80% for all four tests?
Saturday, April 27, 2013 at 9:36pm

science and english only for ms sue
what the steps to the water cycle and what is the writing process and what the steps for 7th grade and please help me as soon as possible please ms. sue...
Wednesday, April 24, 2013 at 5:39pm

statistikc
We want a confidence interval for the mean IQ of all the 7th grade girls in that school district. We do not know the population standard deviation so we use the confidence interval that uses the t. In order to use the t-interval we need to assume that the variable IQ has a ...
Wednesday, April 24, 2013 at 11:15am

10 grade algebra
In the following system of equations, what does x equal? -10x - 2y = 56 6x - 2y = -40 x = 6 or x = -6 or x = 2 or x = -2
Wednesday, April 24, 2013 at 9:45am

10 grade algebra
15. In the following system of equations, what does x equal? -10x + 4y = -64 -10x - 8y = -112
Wednesday, April 24, 2013 at 9:29am

6th grade Math
I need help on the problem below. The instructions say to "factor the expression" and the expression is: -.2x^2 + 80x -6000. Thanks
Tuesday, April 23, 2013 at 6:44pm

5th grade math (word problems)
Problem: A receipe for 4 dozen cookies requires 1 1/2 cups of flour. How much flour is needed for 1 dozen? work: 4 divided by 1 1/2 = 4/1 x 3/2 = 4/1 x 2/3 = 8/3 cups of flour Can you explain why i don't need to change 4 dozen to 48 and then divide by 1 1/2?
Tuesday, April 23, 2013 at 5:25pm

Psychology
Dr. Allen is trying to determine the best method by which to draw a comparison between the amount of time his students spend in the library to the grade point average of his students across the spectrum. Which research design should Dr. Allen follow, and why? Answer ...
Tuesday, April 23, 2013 at 4:10pm

Algebra 2
Suppose you are researching the eating habits of people your age. What sampling method could you use to find the percent of students in your grade who eat five servings of fruit and vegetables each day? What is an example of a survey question that does not have bias?
Tuesday, April 23, 2013 at 7:19am

Science
How do I calculate between the race of two automobiles in kilometer speed this is a 8th grade science question
Monday, April 22, 2013 at 10:09pm

english
what are the different kinds of nouns for 7th grade and what do they mean? ms. sue if you can may you help me????
Monday, April 22, 2013 at 5:23pm

5th grade math (word problems)
Mrs. Jones bakes pies. She always cuts each pie into 8 slices. Ther are 13 slices left on the counter. How many pies are on the counter? (write as mixed number). work: 13/8 = 1 5/8 pies. Is this correct?
Sunday, April 21, 2013 at 8:33pm

8th grade science
the question is: "The absolute magnitude of a star is -12.. How would you describe its brightness?"
Saturday, April 20, 2013 at 8:09pm

Grade 12 Calculus
Evaluate each of the following. Show all your calculations.  f" (0) if f(x) = 14x^2 + 3x − 6
Friday, April 19, 2013 at 6:13pm

Grade 12 Calculus
Evaluate each of the following. Show all your calculations.  f" (1/3) if f(x) = −2x^5 + 2x − 6
Friday, April 19, 2013 at 6:12pm

5th grade math
One patern called for 2/3 of a yard of lace, and another pattern called for 5/9 of a yard of lace. In simplest form, how much more lace did the first pattern call for than the second?
Friday, April 19, 2013 at 5:19pm

Math Help?! 7th grade.
1. Determine which ordered pair is a solution of y = x*2–2. (5, 21), (–5, 24), (–1, –1), (–2, 6) 2. Without graphing, tell whether the line containing (6, –3) and (0, –8) is horizontal, vertical, or neither.
Friday, April 19, 2013 at 10:04am

3rd grade math
What does 5 fracture each 1/2 mean?
Thursday, April 18, 2013 at 11:58pm

Grade 12 Calculus
Determine the absolute extrema of each function on the given interval. Illustrate your results by sketching the graph of each function. f(x) = (x − 1)^2 , 0 ≤ x ≤ 2
Thursday, April 18, 2013 at 7:01pm

Grade 12 Calculus
Determine the absolute extrema of each function on the given interval. Illustrate your results by sketching the graph of each function. a) f(x) = x^2 − 4x + 3 , 0 ≤ x ≤ 3 b) f(x) = (x − 1)^2&#...
Wednesday, April 17, 2013 at 9:44pm

5th grade reading
Can someone tell me what is the difference between an idiom and a hyperbole?Thanks if you help!:)<3
Wednesday, April 17, 2013 at 3:59pm

7th grade math
How many times larger is a cube than a pyramid with the same base?
Wednesday, April 17, 2013 at 3:42pm

7th grade math
How many times larger is a cube than a pyramid with the same base?
Wednesday, April 17, 2013 at 3:02pm

4th grade math
brian cut an extra large round pizza into 12 pieces. 7 of the pieces were eaten. what angle measure of pizza is left?
Tuesday, April 16, 2013 at 10:02pm

4th grade math
a circle is divided into 18 equal parts. how many degrees is the angle for each part? how many degrees is the angle for 5 parts?
Tuesday, April 16, 2013 at 9:52pm

Math
Umm Im in 5th grade and I do not under stand this at all because I don't know what the brakets are and how do you you use them heres the question 108 + 3[15 - (3 + 9)]=?
Tuesday, April 16, 2013 at 8:07pm

math 4th grade
how do you add 2/3 plus 5/8
Tuesday, April 16, 2013 at 8:06pm

4th grade Math
What fraction could be used to express 2 parts that equal 15/17?
Tuesday, April 16, 2013 at 5:34pm

Grade 12 Calculus
Determine the absolute extrema of each function on the given interval. Illustrate your results by sketching the graph of each function. a) f(x) = x^2 − 4x + 3 , 0 ≤ x ≤ 3 b) f(x) = (x − 1)^2&#...
Tuesday, April 16, 2013 at 12:15pm

Grade 12 Calculus
State the absolute maximum value and the absolute minimum value of each function, if the function is defined on the interval shown. {I CANNOT POST THE GRAPH SO CAN SOMEONE EMAll ME AT miss.a.parker at hot mail(. com) SO I CAN EMAIL IT TO THEM SO YOU CAN HELP ME? I WOULD LOVE ...
Monday, April 15, 2013 at 7:05pm

Grade 12 Calculus
Evaluate each of the following. Show all your calculations. a) f'(3) if f(x)  = x^4 − 3x b) f' (−2) if f(x) = 2x^3 + 4x^2 − 5x + 8 c) f" (&#...
Monday, April 15, 2013 at 7:00pm

Grade 12 Calculus
Determine the maximum and minimum of each function on the given interval. a)  = 2x^3 − 9x^2 ,−2 ≤ x ≤ 4 b)  = 12x − x^3 ,  x∈ [−3,5]
Monday, April 15, 2013 at 6:47pm

Grade 12 Calculus
Determine the velocity and acceleration as functions of time, t, for s(t) = 45t − 5t^2, where s(t) represents the distance as a function of time. (Hint: velocity and acceleration correspond to the first and second derivatives of the distance)
Monday, April 15, 2013 at 6:44pm

Grade 12 Calculus
Determine the absolute extrema of each function on the given interval. Illustrate your results by sketching the graph of each function. a) f(x) = x^2 − 4x + 3 , 0 ≤ x ≤ 3 b) f(x) = (x − 1)^2&#...
Monday, April 15, 2013 at 6:42pm

Grade 12 Calculus
Determine the absolute extrema of each function on the given interval. Illustrate your results by sketching the graph of each function. a)  =  − 4 + 3 , 0 ≤  ≤ 3 b)  =  − 1 , 0 ≤ &#...
Monday, April 15, 2013 at 6:40pm

science
______________ can prevent some bacterial cells? 7th grade science please help meeeee ms sue help me please thanks
Monday, April 15, 2013 at 6:21pm

science
______________ can prevent some bacterial cells? 7th grade science please help me.
Monday, April 15, 2013 at 5:20pm

5th grade math
I dont get it! /is 20 times 5/6 greater than or less than 20
Monday, April 15, 2013 at 4:41pm

math
on the test had 50 items gertrude got 34 out of the first 40 correct. if she received a grade of 80% on the test how many of the last 10 did she have correct
Monday, April 15, 2013 at 2:47pm

physics grade 12.
A spring is extended by 4mm when a load of 2.N was applied. a)What is its spring constant? b)How much would it extend if a losd of 150g was suspended from it?
Sunday, April 14, 2013 at 5:38pm

statstics
construct a 90 confidence interval for the population mean μ. assume the population has a normal distribution. A sample if 15 randomly selected math majors has a grade point average of 2.86 with a standard deviation od 0.78. Round to the nearest ...
Sunday, April 14, 2013 at 12:20pm

social studies 8th grade
Can you please help me find an accurate map of The Treaty of Fontainebleau 1762? I am trying to complete a project and want to make sure it is accurate
Saturday, April 13, 2013 at 11:22am

8th Grade Math
I need help on the following please? A group of clowns performs in a ring with an area of about 2,123 square feet. What is the circumference of the ring? Choose the closest answer. 156 ft. 52 ft. 163 ft. 82 ft. Thank You. Please explain the answer
Friday, April 12, 2013 at 9:10pm

Math
Jeremy got scores of 93,82,91, and 88 on his first four math test. What score must he get on the fifth test to have an average test grade of 90 for the five test ? Can someone explain step by step. Please
Thursday, April 11, 2013 at 9:51pm

10th grade chemistry
How many grams of kno3 can be dissolved in 100g of h2o at 50°c
Thursday, April 11, 2013 at 8:46pm

business
what studies should i take if i pass my business studies with higher marks?...(I'm in grade 12)
Thursday, April 11, 2013 at 6:26am

6th grade grammar
Put brackets [ ] around the adverb in each of the following sentences. Write how if the adverbs tell how, when if the adverbs tells when, or where if the adverb tell where the action takes place. 1.Her grandmother said, “You cannot wear it now!” Please Help!
Wednesday, April 10, 2013 at 7:03pm

7th grade science
Q: A pair of fruit flies reproduces and has 1000 offspring. All 1000 of the offspring have the alleles Gg. What is the most likely combination of alleles that each parent has, and why are other combinations not likely?
Wednesday, April 10, 2013 at 6:30pm

physics
Venus is a grade 12 learner and she claims that she can shoot a stone 50m vertically high by using a catapult.She wants to know the relationship between the height reached by the stone and the initial velocity of it.
Wednesday, April 10, 2013 at 12:44pm

math-7th grade algebra 1
Please show the steps and explain how to do this as well. 3√8 · 2√5
Wednesday, April 10, 2013 at 1:18am

6th grade math
How to figure if 60 cookies were baked and 7/12 were given away, how many are left?
Tuesday, April 9, 2013 at 9:40pm

psychology
A behaviorist is asked to evaluate five students in the second grade who exhibit impulse control problems. The behaviorist decides it is best initially to study them in the classroom without interfering with the behavior. This behaviorist is conducting __________ research.
Tuesday, April 9, 2013 at 9:10pm

3rd grade math\
A hlaf dozen hair clip cost 43.90. maria wants to buy 4 hair clips. how much will she pay for them?
Tuesday, April 9, 2013 at 5:38pm

Math
I am in third grade and have a word problem that I don't understand. There is a picture of a retangular window with 12 little squares inside divided by wood. The question is how many feet of lights would be needed to hang around five windows like this one. There are no ...
Tuesday, April 9, 2013 at 5:31pm

3rd grade math
a package of 4 button costs $1.30. how much will 4 package cost?
Tuesday, April 9, 2013 at 5:14pm

3rd grade mah
mrs. rothenberg bought a bag of 6 pears for $5.40. what was the unit price per pear?
Tuesday, April 9, 2013 at 5:14pm

3rd grade math
A hlaf dozen hair clip cost 43.90. maria wants to buy 4 hair clips. how much will she pay for them?
Tuesday, April 9, 2013 at 5:12pm

third grade math
how do i 2- fracture each third
Tuesday, April 9, 2013 at 4:01pm

7th grade math/ geometry
how to name an angle in four ways?
Monday, April 8, 2013 at 7:26pm

Life science, history, geography, and maths literacy
I'm in grade 11 and i was wondering if you could help me with this question. I'm doing those subjects and i would love to take a career that is linked in those subjects, what would they be?
Monday, April 8, 2013 at 4:09pm

math 12 grade
find two positive number X and Y such that their sum is 35 and the product X2 Y5 is maximum?
Monday, April 8, 2013 at 7:48am

7th grade math
Q:The ratio of the perimeters of two square is 5 to 4. If the area of the smaller square is 36 units, what is the area of the larger square? A: 56.25 My teacher told us the answer, 56.25, so that we could correct it. But I don't understand how she got the answer at all, so...
Sunday, April 7, 2013 at 4:15pm

5th grade math (word problems)
Stefan pours 5/8 cup of milk. He uses 2/3 of it for a bowl of cereal. What fraction of a cup of milk does he use with his cereal? solution: 5/8 * 2/3 = 10/24 = 5/6. So, is the answer 5/6?
Sunday, April 7, 2013 at 12:27pm

11th grade math
find the length of arc if an angle measuring 25 degrees is in the circle of radius 6 feet
Sunday, April 7, 2013 at 12:12pm

11th grade math
in triangle DEF,<D=50 degree, DE=14 meters, and DF=10 meters. find the area of triangle DEFto the nearest tenth of a square meters
Sunday, April 7, 2013 at 12:10pm

grammar English
I am writing about interviewing Deaf Persons for my ASL research paper. The first person is Christian DeGuzman. He is profoundly deaf since birth, and about 2 or 3 years old later they found out that he was deaf that’s why. Christian grew up in Bay Area, went to ...
Saturday, April 6, 2013 at 10:21pm

grade 6 honors math
Of 150 sixth graders choosing electives for next year, 50 signed up for theater, 65 signed up for art and 70 signed up for band. Some students did not choose an elective. Represent this information using Venn Diagrams.
Friday, April 5, 2013 at 11:54pm

science
A ________ biome is a cold, dry area where the sun barely rises during the winter. a. coniferous forest b. temperate deciduous forest c. grassland d. tundra this is a 7th grade question and can a science teacher help me out on this please so i can study for a make up test ...
Thursday, April 4, 2013 at 6:03pm

math
There are 12 girls in one of the fifth grade classes. The number of girls is two-thirds the number of boys, b. The number of boys can be found using the equation 2/3b=12. How many boys are in the class?
Thursday, April 4, 2013 at 5:22pm

history
what were the five key points of henry clay's compromise of 1850? someone please help me and this is a 7th grade history question by the way....
Wednesday, April 3, 2013 at 8:04pm

3rd Grade Math
What is the sum of 4/10 and 55/100
Wednesday, April 3, 2013 at 6:50pm

7th Grade Language Arts
While reading Rudyard Kipling's poem "If," Fred imagined that the speaker was talking directly to him. This reading strategy is called (1 point) connecting. evaluating. interpreting. summarizing. My Answer: 1) A
Wednesday, April 3, 2013 at 5:35pm

la
shoud students who fail their classes be retained and have to repeat the grade ?
Tuesday, April 2, 2013 at 6:03pm

la
shoud students who fail their classes be retained and have to repeat the grade ?
Tuesday, April 2, 2013 at 6:03pm

7th Grade Language Arts~!!!
What was the first South American nation to receive independence? (1 point) Chile Argentina Paraguay Brazil My Answer: 1) Argentina Is this correct?
Tuesday, April 2, 2013 at 12:28pm

7th Grade Language Arts
Cultural context involves all of the following except the group's __________. (1 point) values wealth customs I think its wealth.. but not sure, am i correct?
Monday, April 1, 2013 at 8:59pm

math
What is the angle relationship notes for the test i have to take? please help me someone thanks for the help you guys... oh yeah almost forgot this some 7th grade math..
Monday, April 1, 2013 at 5:10pm

math 6 grade
Below are some sale prices for soda .Which offers the best price ? a. 6 for $1.75 b.8 for $1.90 c.12 for $3.15 d.30 for $7.50
Monday, April 1, 2013 at 3:53pm

math 6 grade
A discount store is having a sale on CDCs.7 CDs cost $65.45 ,what is the price per CD?
Monday, April 1, 2013 at 3:44pm

grade 12 life orientation
identify and describe 3 environmental health hazards that cause ill health,crises,and disasters within your community or any other community within south africa and globally
Saturday, March 30, 2013 at 2:47pm

programming
Design a class named Book that holds a stock number, author, title, price, and number of pages for a book. Include methods to set and get the values for each data field. Also include a displayInfo() method that displays each of the Book’s data fields with ...
Saturday, March 30, 2013 at 2:46pm

Grade 12 Life orientation
Critically discuss 5 ways in which lifestyle/behaviour substance of both legal and illegal drugs impact on the teenagers?
Saturday, March 30, 2013 at 12:26pm

7th Grade Social Studies
Explain the similarities and differences between corporate farms and mixed-crop farms. (5 points)
Friday, March 29, 2013 at 11:04pm

6th Grade Math
Need help to explain to my daughter: A horsepower is the power needed to lift 33,000 pounds 1 foot in 1 minute. It is equivalent to 746 watts. Express 525 watts as a portion of a horsepower both as a fraction and a decimal rounded to the nearest thousandth. Thanks for anyone&#...
Tuesday, March 26, 2013 at 8:53pm

GRADE 12
IN 10-15 LINES CRITICALLY DISCUSS 5 WAYS IN WHICH THE HUMAN OR ENVIRONMENTAL PROBLEM IMPARTS ON THE COMMUNITY .PROVIDE RELEVANT SOURCES TO SUPPORT YOUR CLAIMS
Tuesday, March 26, 2013 at 5:47pm

6th grade math
Ella and Nico had $250 altogether. If Nico spent $35, he would still have $5 more than Ella. How much money did Ella have?
Monday, March 25, 2013 at 8:06pm

6th grade Math
A sample of 50 people in Harrisburg indicates that 10 people of them know the name of the mayor of their neighboring city. Out of 5, 500 Harrisburgh residents, how many would you expect to know the name of the mayor of the neighboring city?
Monday, March 25, 2013 at 7:37pm

8th grade math
In the original design for the livingroom genivie ve planned to have a 6ft by 8ft floor rug made after looking at the budget however she discovers she only had enough money to make a .75 times the size of the original how much fringe must she purchase to outline the new rug.
Monday, March 25, 2013 at 7:22pm

3rd grade math
evan drove into the country for a long weekend. he planned to drive 118 miles on each of 4 days, however his car broke down and he was only able to drive 43 miles on the first day. how many miles per day must he drive to reach his destination.
Monday, March 25, 2013 at 6:54pm

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