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July 22, 2014

Homework Help: 3rd Grade

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8th Grade Math
ABCD is a parallelogram where AO and BO bisect angles A and angle B respectively. What is the measure of ∠AOB? What's the answer? Thanks!!!! :)
Saturday, August 10, 2013 at 5:28pm

math
a student earned a grade of 80% on a math test that had 20 problems. How many problems on this test did the student answer correctly?
Saturday, August 10, 2013 at 3:09pm

ECE311 Early childhood curriculum
1. Primary-grade teachers should encourage students to __________ a.downplay the importance of grammar and spelling. b.experiment with invented spelling. c.use critical thinking skills when writing. d.read more picture books.
Friday, August 9, 2013 at 10:15pm

math
To obtain a final average of 80 % in a certain subject, what grade must a student earn in a test after having an average of 77.5 % in four examinations ?
Saturday, August 3, 2013 at 10:52am

math
how many ways can you make 45 cents with pennies, dimes, nickels,and quarters????? help me as fast as you can this is worth 1/2 my grade
Thursday, August 1, 2013 at 8:08pm

grade 3 math
write a word problem that uses multiplication and the product is 18
Wednesday, July 31, 2013 at 5:45pm

Karnataka state university
A baThe power developed by a man in riding up a 6 percent grade at a constane speed is 200 W the man and his bicycle have a combined mass of 80 kg.Determine the speed of rding
Monday, July 22, 2013 at 9:44pm

Dynamics
the power developed by a man in riding up a 6 percent grade a ta constant speed is 200 W. the man and his bicycle have acombind mass of 80kg.determine the speed of riding.
Monday, July 22, 2013 at 12:12pm

dynamics
the power developed by a man in riding up a 6 percent grade at a constant speed is 200w. the man and his bicycle have a combined mass of 80 kg. Determine the speed of riding
Monday, July 22, 2013 at 9:36am

Math 6th grade
What is smart estimation to determine an estimation range.
Wednesday, July 17, 2013 at 8:35pm

Biology
Is there any biology websites for teens??? (NOT games! notes and quizzes to practice). The Science of Biology The Chemistry of Life Cell Structure and Function Photosynthesis & Respiration Something REALLY easy to understand(btw I'm going to the 9TH GRADE). please help (...
Wednesday, July 17, 2013 at 6:01pm

math
Your station charges $16.50 for a lubrication job. As a promotion you sell six coupons for lubrication jobs for $90. What percentage discount are you offering for customers who purchase the 6-coupon lube book? Discount (to the nearest tenth) = % The answer I got was 9% & my ...
Tuesday, July 9, 2013 at 8:39pm

Statistics!!!
c. The correlation between number of friends and grade point average (GPA) for 50 adolescents is .37. Is this significant at the .05 level for a two-tailed test?
Monday, July 8, 2013 at 4:21pm

government
1. The Framers of the US Constitution supported political parties. A) True B) False 2. The US is predominantly a multiparty system. A) True B) False 3. The main focus of major parties is to nominate candidates and get them elected. A) True B) False 4. The purpose of the ...
Thursday, June 27, 2013 at 1:43am

math 4 grade
question which is greater - are they equal - or not enough info 18K 17K the answer says its not enough info but 18 is always bigger than 17
Wednesday, June 26, 2013 at 6:58am

math 4th grade
the land area of a country with 20 people per square kilomoter or the land area of a country that measures 500,000 square kilometers can anyone explain how to do this
Wednesday, June 26, 2013 at 12:09am

math 4th grade
the land area of a country with 20 people per square kilomoter or the land area of a country that measures 500,000 square kilometers can anyone explain how to do this
Wednesday, June 26, 2013 at 12:09am

math 4th grade
the land area of a country with 20 people per square kilomoter or the land area of a country that measures 500,000 square kilometers can anyone explain how to do this
Wednesday, June 26, 2013 at 12:09am

grade 4 math
exponential form of 59,187
Thursday, June 20, 2013 at 10:34am

grade 10 math
on a line the distance between 2x and 7x plus 80 is 142. Solve for x
Tuesday, June 18, 2013 at 4:13am

Math 8th Grade
I have a bunch of nickels and quarters worth $7.85 in my [pocket. How do I write a system of equation to solve and determine how many of each coin I have!!
Wednesday, June 12, 2013 at 8:27pm

math
I gave a test that had 50 items on it. I can only enter a grade of 20 total points if all are answered correctly. So, how much would each answer be worth?
Wednesday, June 12, 2013 at 1:45pm

Calculus Grade 12
Without solving , determine the points of intersection of the line r= (5,-9,3) +k (1,-12,2] and the plane [x,y,z]= (4,-15,-8) + s[1,-3,1] + t[2,3,1], if any exist.
Monday, June 10, 2013 at 5:18pm

Calculus grade 12 lines and planes
Find the value of k so that the line [x,y,z] = [2,-2,0]+ t[2,k,-3] is parallel to the plane kx +2y - 4z= 12
Monday, June 10, 2013 at 5:12pm

Calculus Grade 12
Determine the value of k such that the points (4,-2,6), B(0,1,0) and C(1,0,-5) and D (1,k,-2) lie on the same plane.
Monday, June 10, 2013 at 3:36pm

Calculus Grade 12
Find the equation of the plane that passes through the point (3,7,-1) and is perpendicular to the line of intersection of the planes x-y-2z+3=0 and 3x-2y+z+5=0
Monday, June 10, 2013 at 3:32pm

Math
Nicole drew a circle on the chalkboard that had a radius of 15 cm. Which is closest to the circumference in centimeters of the circle she drew on the board? A.30cm B.45cm C.24cm D.90cm D Which statement is not supported by the information in the graph? 6th graders 188 boys 192...
Tuesday, June 4, 2013 at 6:21pm

9th grade math
Solve -4(x-3)>2x A. x>6 B. x<2 C. x>3/2 D. x<-1/2
Tuesday, June 4, 2013 at 2:48pm

English 8R - HW CHECK (PLZZZ READ!)
Please read my essay to see if it's good. PLEASE LET ME KNOW IF THERE ANY OTHER DETAILS I COULD ADD! I REALLY want to get a good grade for assignment and this is my FINAL GRADE! Should the story of Anne Frank and the Holocaust be taught in Middle School? The story of Anne ...
Thursday, May 30, 2013 at 8:22pm

Math - 8th Grade
Please help: The distance from home plate to second base on a softball diamond is 84.853 feet. This is the same as the distance from first base to third base. What is the area of a softball diamond? Round your answer to the nearest square foot. 1,800 ft.2 3,558 ft.2 7,200 ft.2...
Wednesday, May 29, 2013 at 9:22pm

Maths
Mariolys is creating a numbered list of distinct integers. Luigis sees that there are N numbers in the list, and states that he can find either a subsequence of length 13 with increasing terms or a subsequence of length 17 with decreasing terms. What is the minimum value of N ...
Wednesday, May 29, 2013 at 4:30am

5th grade math
what is the common denominator to 3/5, 1/3, and 1/6
Tuesday, May 28, 2013 at 4:48pm

7th grade Science
1. The atmosphere of Earth is an example of a ______solution.(1point) liquid-liquid gas-liquid gas-gas** solid-liquid Am I correct?
Monday, May 27, 2013 at 10:31pm

Grade 11 english
I have to compsre revenge in Wuthering Heights by Emily bronte and the contemporary issue of politics. I am doing a powerpoint presentation and it should be 5 minutes long. So what do you suggest my slides be and howmany. Please help me I really don't know how to compare ...
Saturday, May 25, 2013 at 8:09pm

6th grade science
The erosive energy of rivers alters landscapes over periods of millions of years. Which of the following increases a river's rate of erosion? A)low gradient B)high discharge C)small load D)decreased speed
Wednesday, May 22, 2013 at 11:24pm

Pre-calculus
As you drive down a mountain, you see a sign that says there is a 6 degree grade over the next 5 miles. What is the change in elevation over that 5 mile stretch?
Wednesday, May 22, 2013 at 8:41pm

Math 7th Grade
A bag contains 5 red,2 blue,and 4 white marbles. What is the probabiltiy If Sam picked a red marble replaced it and picked a white marble?
Wednesday, May 22, 2013 at 5:23pm

life orientation grade 12
in 10-15 lines critically discuss 5 ways in which global warming impacts on the community
Tuesday, May 21, 2013 at 8:19pm

4 grade math
Find two mixed numbers so that the sum is 15 3/10 and the difference is 8 5/10
Tuesday, May 21, 2013 at 8:11pm

7th grade math (help!)
Hey! 2y-8y=-4 Do I subtract or do I add?!? Something like that right?!?
Tuesday, May 21, 2013 at 7:22pm

4th grade math
Find two mixed numbers so that the sum is 8 4/8 and the difference is 2 2/8
Tuesday, May 21, 2013 at 7:18pm

Grade 12 LIFE ORIENTATION
Discribe the lifestyle disease/behaviour.Mention 5 factors that contribute to the disease/behaviour
Tuesday, May 21, 2013 at 3:55pm

Math- 5th grade
Shauna baked bread rolls to sell at a school fair. 2/5 of the rolls were chocolate rolls, 1/3 were raisin rolls, 1/4 of the remainder were strawberry rolls, and the rest were vanilla rolls. What fraction of the rolls were vanilla rolls?
Tuesday, May 21, 2013 at 1:03am

7th grade math
Hello there! I am totally confused what does x = 4x+3+2x= 54/9 Thank you ;) & please help me!?!
Monday, May 20, 2013 at 7:45pm

7th grade math help
Hi I need help on how many outcomes are possible for these? For breakfast choices possibilities. I tried, but I feel like I am not getting it. Coffee (c) orange Juice (o) scarmabled (s) hard boiled (h) poached (p) bagel (b) toast (t) Please help??
Monday, May 20, 2013 at 6:26pm

7TH GRADE MATH
If the radius of a cylinder is 1.8 meters and its height is 7 meters, the volume of the cylinder is approximately 71.2 cubic meters...true or false I say false because shouldn't it be 71.2 cubic 3? Am I correct?
Sunday, May 19, 2013 at 4:53pm

chemistry
Describe the preparation of 2litre of 0.05molar silver from the primary standard grade solid.
Sunday, May 19, 2013 at 2:11am

chemistry
Describe the preparation of 2litre of 0.05molar silver from the primary standard grade solid.
Thursday, May 16, 2013 at 3:05am

Leadership Quality
Is staying after school to help file papers and grade papers a leadership quality?
Wednesday, May 15, 2013 at 8:49pm

7th Grade Math ~Multiplying Polynomials
1. (2x)(10x) (1point) 20x 12x 20x^2** 5x 2. -3m(m+8) (1point) -3m^2+24 -3m^2-24m** -24m^2 -4m+5 3. 4d(2d-9) (1point) 8d-36d -d -28d^2** 8d^2-36d 4. 5b(6b-10) 11b-10 5b^2+6b-10 -b-10 30b^2-50b** Are these right
Tuesday, May 14, 2013 at 8:56pm

4th grade math
Hi! This question says Joe is thinking of o function machine.He says that the output is 12 if the input is 4.what are 2 rules that he could be thinking of for his function machine?( I would really be grateful if you helped me) ;)thanks
Tuesday, May 14, 2013 at 8:37pm

7th grade math
Horses, pigs and cows is really easy I can do it in my head but, my teacher told me I would have to start showing my work. I really have no clue how to do that I have always done it in my head. Can you pretty please help me I would gladly appreciate it. Thank you. :)
Tuesday, May 14, 2013 at 8:13pm

7th grade math
How does functions in math relate to what you put into it is what you get out of it? Can you explain for me? i'm thinking it doesn't really? one example if you can like in sports or goverment? Don't know.
Tuesday, May 14, 2013 at 6:26pm

8need a function rh grade math
a 154 lb person burns 420 calories per hr riding an exercise bike at 15 mph. Need a function rule to represent the total calories burned over time.
Tuesday, May 14, 2013 at 2:36pm

5th grade math (dividing fractions)
Can you check this problem? How many twelfths are in one sixth? work: 1/6 divided by 1/12 = 1/6 * 12/1 = 2 ans= 2
Monday, May 13, 2013 at 7:40am

Math
I made a 95 on a test of 20 questions, but it took 35 tries. What is my real grade?
Sunday, May 12, 2013 at 3:16pm

Grade 12 Calculus
I need helping in filling in the blanks/ -the angle formed at the centre of the circle by two radii is the _______ angle. -cos delta, sin delta, tan delta are known as the ___________trigonometric ration -cos (pie/2 - x)=sinx is an example of a ________ identity
Saturday, May 11, 2013 at 11:42pm

Social studies
whats a 7th grade social studies word that begins with Y?
Thursday, May 9, 2013 at 8:18am

4th grade english
i need help diagramming subjects,predicates,adjectives adn adverbs
Wednesday, May 8, 2013 at 9:42pm

grade 12
describe the life style disease/ behaviour and explain 5 factors that contribute to cancer of the gullet.
Wednesday, May 8, 2013 at 3:46pm

stats
It was thought that students who dressed more neatly received better grades. To test this idea, a researcher rated each student on neatness of dress and obtained their grades on a standard school achievement test. The data are presented below. Higher scores indicate higher ...
Wednesday, May 8, 2013 at 1:20pm

Math
You estimate there is an 80% chance you will get an A on your math final, and a 75% chance you will get an A for your semester grade. What is the probability that both will happen?
Tuesday, May 7, 2013 at 8:47pm

Technology Skills class???? Grade 9???
So I got accept to this Catholic private high school. So we are required to take "Technology Skills". What am I going to learn in this class??????
Tuesday, May 7, 2013 at 6:23pm

12th grade goverment
who could vote in elections for colonial legislatures
Tuesday, May 7, 2013 at 10:11am

5th grade math
What is 508 times 7?Thanks if you help:)
Monday, May 6, 2013 at 4:42pm

4th grade math
Bryan is putting fencing around his new rectangular vegetable garden. He uses 140ft of fencing material. How wide is the garden? Ther is a rectangular diagram that shows the bottom number is 40ft
Monday, May 6, 2013 at 4:35pm

7th Grade Math
What is the measure of an exterior angle of a regular polygon in which the sum of interior angle measures is 5400 degrees? A. 11.25 degrees B. 30 degrees C. 32 degrees D. 168.75 degrees
Sunday, May 5, 2013 at 2:54pm

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

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

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

4th grade math
4 1/4 minus 1 3/4
Monday, April 22, 2013 at 9:03pm

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

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

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