Friday
July 25, 2014

Homework Help: 7th Grade

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trig
A road has a 10% grade (slope). To the nearest degree what is the angle of elevation of the road? should I use sin?
Tuesday, May 27, 2014 at 7:56pm

7 grade math
Consider two types of nonlinear equations. What unique quality does each possess and how does that quality cause the graph's unique shape? Name two unique examples of these shapes in real-world situations.
Tuesday, May 27, 2014 at 8:29am

Math, grade 10
Two whole numbers add to 17 and the sum of their squares is 185. What are the numbers
Monday, May 26, 2014 at 5:29pm

Math, grade 10
Two numbers add to 18. If you square the larger number and add 6 times the smaller number you get 163. What are the numbers. Solve with quadratic equation?
Monday, May 26, 2014 at 5:04pm

algebra
Last semester, a certain professor gave 24 As out of 237 grades. If one of the professor's students from last semester were selected randomly, what is the probability that student received an A? (Assume that each student receives one grade.) thank you for giving up your ...
Saturday, May 24, 2014 at 10:44pm

Grade 10 English
i need 3 points of tragedy between the book the Stone carvers and the great gatsby.... i need to write a compasrion essay of tragedy between the two books. please and thank you
Saturday, May 24, 2014 at 3:11pm

physics
A jet plane is flying horizontally with a speed of 500 m/s over a hill that slopes upward with a 3% grade (i.e., the "rise" is 3% of the "run"). What is the component of the plane's velocity perpendicular to the ground? (Assume the +x-direction is up ...
Saturday, May 24, 2014 at 11:45am

5th Grade ADV. Math
Four teams are playing in a tournament. Each team will play each other one more time before the top two teams play the championship game. How many games will be played? Need some help with this mates.
Thursday, May 22, 2014 at 7:18pm

4th grade math
find the median: 116,119,121,122,124,128
Thursday, May 22, 2014 at 7:01pm

Language Arts Grade 8
Can I get a list of the table of contents of the Mayan: Popol Vuh.
Thursday, May 22, 2014 at 12:43pm

fifth grade math
susan picked a watermelon that weighed 8/15 lb. larry a watermelon that weigh 1/4 as much as Susans. how muchdid larrys weigh
Wednesday, May 21, 2014 at 1:49am

English grade 11
Traditional african marriage is an advantage for men, not for women?why
Wednesday, May 14, 2014 at 3:44am

Math 6th Grade
Compare using < , > , or =. –15 _____ –21 (1 point) 1. < 2. > 3. = (picked > )
Tuesday, May 13, 2014 at 9:17pm

Math 6th Grade
Compare using < , > , or =. –15 _____ –21 (1 point) 1. < 2. > 3. = (picked > )
Tuesday, May 13, 2014 at 8:23pm

HELP MATH 5th grade
Sam has 3 pets. Monday she uses d cans of pet food. Tuesday she uses 6 cans Wednesday Thursday and Friday uses 4 cans each day How many cans does she use during thse 5 days? which number is not needed to solve problem? 4 3 5 6 - please explain
Tuesday, May 13, 2014 at 8:08pm

Alegbra
who ever will help me I do not understand this problem? Solve each exponential. Give the exact value of x 6^x = 1/36 3^x = 8 I really do not understand at all I have not taken algebra since 8th grade and went back to school at 67, Thank you if you wish to help me understand ...
Tuesday, May 13, 2014 at 2:25pm

Math 4 grade
Use the digits 1 though 9 once each. Fill in the 3x3 squares to make the sum of 777. Thanks.
Monday, May 12, 2014 at 9:37pm

5th grade math
How do you find the dimensions of a box that hold 2xs as many cubes as a box that is 2 by 3 by 4?
Monday, May 12, 2014 at 11:43am

history 11th grade
perils of the amazon rain forest
Sunday, May 11, 2014 at 10:44pm

history 11th grade
Amazon rain forest
Sunday, May 11, 2014 at 10:43pm

math
The grade 8 class at Wheatly Middle School sold 77 boxes of almond chocolates. This is 22% of all the boxes of chocolate sold. a) Estimate the total number of boxes sold. b) Calculate how many boxes were sold.
Friday, May 9, 2014 at 4:28pm

Grade 12 Math
if a and b are unit vectors, and magnitude of vectors a +b = sq. root of 3, determine (2a-5b) dot (b+3a).
Thursday, May 8, 2014 at 9:34pm

math lit ,geography,history,life science,LO
Am in grade 10 and am doing these subjects and I dnt knw what kind of career choice I can choose please guys help me out please
Thursday, May 8, 2014 at 4:34pm

MATH!!!!!!!
If theres 225 students in my grade and the requirement to get into the principal list is top 5%, how many students are in the principal list?
Wednesday, May 7, 2014 at 9:03pm

social studies
I would want to know the questions and answers for grade 4 week 10
Tuesday, May 6, 2014 at 4:13pm

history 11th grade
What are the perils of the amazon rain forest?
Tuesday, May 6, 2014 at 12:39am

Fifth grade math
Ellison's Jewlers displays charms for bracelets in trays that hold 36 charms each the store has 637 charms to put on display in 5 display cases. How many charms are left after the trays are filled ?
Thursday, May 1, 2014 at 10:30pm

history 11th grade
What are some of the perils of the Amazon Rain Forest
Thursday, May 1, 2014 at 10:29am

8th grade science
If you see that a hot-air balloon is rising above the top of a hill, what is the top of the hill called?
Thursday, May 1, 2014 at 7:59am

4th Grade Math
Mickey Mouse love cheese. He had 24 wedges of cheese. 3/4 of the wedges were cheddar and the other wedges were gouda. How many wedges were cheddar?
Thursday, May 1, 2014 at 12:02am

4th Grade Math
Maggie Ordered 3 pizzas. Each pizza had 6 slices each. 5/6 of the pizza had mushrooms on it. How many pieces had mushrooms?
Thursday, May 1, 2014 at 12:01am

Math
The steepest section of a track has a rise of 2240 meters for a horizontal distance of 6100 meters. what is the grade section of this track?
Wednesday, April 30, 2014 at 1:52am

grade 3 math
two rectangles have an area of 36 square inches. Name two possible perimeters for the rectangles.
Tuesday, April 29, 2014 at 5:10pm

Math 3rd grade
Lee wants to cut this piece of canvas into two rectangles that are 3 x 2 and 3 x 5. He wants the sum of the areas of the two small rectangles to be the same as the area of the large rectangle. Can he do this? explain.
Monday, April 28, 2014 at 4:11pm

history grade 3
What happened to the immigrants when they left Ellis Island?
Sunday, April 27, 2014 at 11:00am

history grade 3
What happened to the immigrants while they were at Ellis Island?
Sunday, April 27, 2014 at 11:00am

history grade 3
Why did the immigrants have to go to Ellis Island
Sunday, April 27, 2014 at 10:59am

math
Steve earned scores of 96 and 87 on his first two exams. What will his average grade be if he gets a 72 on his third exam?
Sunday, April 27, 2014 at 7:22am

3rd grade math
Sven is thinking of two numbers. The sum is 12. The difference is 4. What are the two numbers?
Wednesday, April 23, 2014 at 7:37pm

language arts3rd grade
difference between noun, pronoun and propernoun how it is used
Wednesday, April 23, 2014 at 7:07pm

6th grade math
Elisa is writing an algebraic expression for the phrase 5 less tan a number.
Wednesday, April 23, 2014 at 4:42pm

4th grade math
sam has 7 17/20 dollars. write 7 17/20 dollars in decimals
Tuesday, April 22, 2014 at 5:55pm

6th grade Lang Arts
Can you explain why the comma used in sentence 1 is not correct as compared to the comma used in sentence 2? (from homework) 1. The stadium, that my favorite team plays in, seats over 81,000 people. 2. My father, who is an excellent reader, finished a 500 page book in one day!
Monday, April 21, 2014 at 10:29pm

math (cant figure it out)
Grade 7 students were surveyed to determine how many hours per day they spent on various activities. Eating is 8%, homework is 8%, sleeping is 33%, TV is 13%, socializing 13%, and school is 25%. About how many hours per day altogether were spent on watching TV and homework?
Friday, April 18, 2014 at 3:52pm

5TH GRADE MATH
Need help trying to tell my daughter what or how to draw this........ DRAW a figure composed of three different rectangles that has a perimeter of 140 yards. Use measurements that are in yards and feet to label the sides of your figure......
Wednesday, April 16, 2014 at 8:57pm

OCCT Score
Alright, so I live in Oklahoma, and I just took the OCCT Grade 8 today. My reading score came ou to say Raw Score: 34 and math said Raw Score: 36, there were 50 questions on each test, what was the percentage? Im not sure, so thankies.
Wednesday, April 16, 2014 at 8:43pm

Grade 12 Chemistry
When 50.0 mL of 1.0 mol/L hydrochloric acid is neutralized completely by 75.0 mL of 1.0 mol/L sodium hydroxide in a coffee-cup calorimeter, the temperature of the total solution changes from 20.2 to 25.6. Determine the quantity of energy transferred, q, and state whether the ...
Tuesday, April 15, 2014 at 11:00pm

Algebra help please!
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?
Monday, April 14, 2014 at 5:11pm

6th Grade Math
Aiden has 7/10 cup cereal, 2 2/3 cups pretzels, 1/6 cup raisins and 2/5 cup chocolate chips to make a party mix. How much party mix will he have in all if he uses all the ingredients he has?
Sunday, April 13, 2014 at 3:09pm

physics grade 10 icse
two balls of masses in ratio 1:2 are dropped from the same height find : a. the ratio between their velocities when they strike the ground and b. the ratio of the forces acting on them during motion
Sunday, April 13, 2014 at 12:21am

IB English
IT IS END OF THIRD QUARTER AND MY IB ENGLISH GRADE IS A B!!!! MY GOAL WAS TO GET AN A BUT...... ****IF GET AN A ON THE FOURTH QUARTER, WILL MY GPA GO UP!!! I GOT A'S ON ALL OF THE OTHER CLASSES EXCEPT IB ENGLISH......... ***********SO WOULD MY GPA BUMP BACK UP IF I GET AN ...
Friday, April 11, 2014 at 4:46pm

5th grade math
Estimate the quotient. 3,594/68 My answer is 3,500/70=50 Is my answer correct?
Wednesday, April 9, 2014 at 10:35pm

5th grade math
Estimate the quotient. 1.175/18 2. 231/37 My answer is 1. 200/20=10 2. 200/40=5 Did I find the correct estimates for these problems?
Wednesday, April 9, 2014 at 9:51pm

5th grade math
Name the compatible numbers used to find the estimate. 1. 725/19 estimate:35 2. 3,641/34 estimate:120 Please show me how to work out these problems.
Wednesday, April 9, 2014 at 8:53pm

9th grade math
4x^2=80x-400
Tuesday, April 8, 2014 at 10:57pm

9th grade math
4m^2-24m+36=0
Tuesday, April 8, 2014 at 10:51pm

3rd grade math
Explain how you know 6/6 and 1 are equivalent?
Tuesday, April 8, 2014 at 4:14pm

Science - Check my answers please (6th grade)
earth and the moon are kept in their respective orbits due to the influence of ? a) inertia b) gravity c) both inertia and gravity d) neither inertia and gravity Is it c) both inertia and gravity?
Monday, April 7, 2014 at 11:41am

6th Grade Science - Help
Which of Earth's spheres has the most mass? 1. atmosphere 2. hydrosphere 3. geosphere 4. biosphere Is it Biosphere?
Saturday, April 5, 2014 at 10:12am

math - 6th grade
HELP! How do I solve for x: 4x+2=3x+9
Thursday, April 3, 2014 at 6:48pm

math 7
grade 7 students were surveyed to determine how many hours per day they spent on various activities. The results are shown in the circle graph below. about how many hours per day altogether were spent on watching TV and homework?
Thursday, April 3, 2014 at 2:15pm

Maths
Jim has grades of 84, 65, and 76 on three math tests. What grade must he obtain on the next test to have an average of exactly 80 for the four tests?
Thursday, April 3, 2014 at 1:43am

3rd grade math
what is the next number in the sequence 1,3,9,27,______ I'm confused on the skip counting they use.
Tuesday, April 1, 2014 at 9:51am

Math for grade 6 peace
The computer club is having a fundraiser to help pay for a trip to the science museum. So far they have raised $96, which is only 48% of their goal. How much money are they trying to raise?
Friday, March 28, 2014 at 6:25pm

Need 8 grade math help quick please!
I don't understand this. I don't get exactly what I'm supposed to do with the P(parenthes) thingy or how each question differs from the next. Theoretical and Experimental Probability: A number cube with the numbers 1 through 6 is rolled. Find the given probability...
Friday, March 28, 2014 at 3:14am

3rd grade math
suppose she cut the cake into 8 equal size pieces and 6 people at all the pieces. Explain how they could have divided the pieces so that everyone ate the same amount of cake. You can show your work in a drawing.
Thursday, March 27, 2014 at 11:56pm

5th Grade Math
Keith played some games of chess at a tournament. He recorded the results of the games on the table shown. Game Results: Number of Games TIES 4 WINS 12 Losses 4 If Keith plays 10 more games, how many of the 10 games is he likely to win? A. 6 games B. 8 games C. 4 games D. 2 games
Thursday, March 27, 2014 at 7:36pm

6th Grade Math
A drawer contains 3 blue ribbons, 4 red ribbons, and 3 green ribbons. A ribbon is randomly chosen from the drawer, replaced, and another ribbon is chosen. Find each probability"
Wednesday, March 26, 2014 at 7:58pm

Grade 12 Calculus
A rectangular piece of paper with perimeter 100 cm is to be rolled to form a cylindrical tube. Find the dimensions of the paper that will produce a tube with maximum volume. I have made it up to getting an equation for V(w).
Tuesday, March 25, 2014 at 7:49pm

English 10th grade
In "Like the Sun," all of the following would be considered "casualties" of Sekhar's truth except his • children • colleagues • headmaster • wife It almost seems it could be any of them but I need the right one.
Tuesday, March 25, 2014 at 5:56pm

Convert fraction decimal and percent
On Friday math test. will missed 5 problems out of 25. If each problem was equally weighted, what was will's grade on the test? A. 20% b. 75% c. 80% d. 85%
Tuesday, March 25, 2014 at 3:48am

math
Mr. Gonzalez's sixth-grade class is putting on a play. He reserved the first 6 rows of the auditorium for family members and friends of the 24 students in his class. If each row contains 17 seats and each student can invite the same number of guests, how many guests can ...
Monday, March 24, 2014 at 6:48pm

math
The 6th grade classes have started a contest to collect cans for recycling. The first class to reach 500 cans will win. The chart below shows the two classes in the lead. How many cans does each class have left to meet their goal? show the work .
Monday, March 24, 2014 at 2:21pm

Math - PreCalc (12th Grade)
How many different basketball teams of 5 players can be created from a group of 7 players?
Monday, March 24, 2014 at 10:14am

Math - PreCalc (12th Grade)
Which equation represents a hyperbola whose foci lie at (2, 7) and (2, -3)?
Monday, March 24, 2014 at 9:45am

literacy
im in grade 10 and if i do the osslt literacy practice tests. will someone on here mark my writing tasks? i can mark the multiple choice questions on my own but i just need someone to mark the writing stuff
Friday, March 21, 2014 at 10:41pm

Math - PreCalc (12th Grade)
The function f(x) = 6x + 5 is defined over the interval [-1, 4]. If the interval is divided into n equal parts, what is the value of the right end point of the first rectangle?
Friday, March 21, 2014 at 11:42am

Math - PreCalc (12th Grade)
What is the value of this expression when n approaches infinity? 4−(4/n)+(5/n)+(15/3n^2) A) 20 B) 10 C) 5 D) 4 E) 1
Friday, March 21, 2014 at 11:33am

Math - PreCalc (12th Grade)
How many 4-digit numbers are possible if the hundreds digit is 8 and if repetition of digits is allowed? A) 100 B) 1,000 C) 9,000 D) 900 E) 1,800
Friday, March 21, 2014 at 11:08am

Math - PreCalc (12th Grade)
The function f(x) = x2 − 5 is defined over the interval [0, 5]. If the interval is divided into n equal parts, what is the area of the kth rectangle from the right? A) [(2+k(5/n))^2+5](5/n) B) [(k(3/n))^2−5](5/n) C) [(k(5/n))^2+5](5/n) D) [(k(3/n))^2+3](5/n) E) [(k...
Friday, March 21, 2014 at 10:53am

Math - PreCalc (12th Grade)
A fair coin is tossed 3 times in a row. If X is the number of heads counted, what is the mean of the probability distribution of X? A) 1.0 B) 1.5 C) 2.0 D) 2.5 E) 3.0
Friday, March 21, 2014 at 10:01am

Math - PreCalc (12th Grade)
The function f(x) = 2x + 1 is defined over the interval [2, 5]. If the interval is divided into n equal parts, what is the value of the function at the right endpoint of the kth rectangle? A) 2+3k/n B) 4+3k/n C) 4+6k/n D) 5+6k/n E) 5+3k/n
Friday, March 21, 2014 at 9:57am

Math - PreCalc (12th Grade)
Use the inverse matrix to solve this system of equations: 4x+3y=7.5 7x+9z=14 4y-z=8.3 4,3,0 7,0,9 0,4,-1
Friday, March 21, 2014 at 9:20am

Grade 6 math
What is 2 to the 2nd power
Thursday, March 20, 2014 at 5:53pm

Math - PreCalc (12th Grade)
If Sn = 1 + 6 + 11 + 16 + 21 + 26...... where an = (5n − 4), what would be the mathematical expression represented by Sk + ak + 1? A) (k(5k − 3)/2)+ 5k + 1 B) (k(5k − 3)/2)+ 5k − 4 C) (k(5k − 3)/2)+ 5k + 2 D) (k(5k − 3)/2)+ 5k − 3 E) (...
Thursday, March 20, 2014 at 1:05pm

Math - PreCalc (12th Grade)
What is the slope of the tangent line passing through the point (2, 3) of the graph of this function? f(x)=x^2+2x−5 A) 1 B) 2 C) 3 D) 4 E) 6 f(2)=2^2+2(2)-5 f(2)=3 so is it c?
Thursday, March 20, 2014 at 12:58pm

Math - PreCalc (12th Grade)
What value must be defined for f(4) to remove the discontinuity of this function at x=4? f(x)=(x^2−16)/(x−4) A) 0 B) 4 C) -4 D) 8 E) -8 f(4)=(4^2−16)/(4−4) f(4)=0/0 you can't divide by zero. I don't understand the question.
Thursday, March 20, 2014 at 12:38pm

Math - PreCalc (12th Grade)
If Sn represents the sum of the squares of the first n natural numbers, use proof by induction to find which of the following expressions for Sn is true? A) Sn = n(n − 1)/3 B) Sn = n(2n − 1)/3 C) Sn = n(n + 1)/3 D) Sn = n(n + 1)(2n + 1)/3
Thursday, March 20, 2014 at 12:23pm

A Peculiar Question
Is either a B+ or an A- considered a terrible grade? If I received a B+ for two essays that I was assigned and then an A- for another, will these grades ultimately cause a decrease in my GPA? I want to enter into either a film or art college, and I want to retain my 4.0 GPA ...
Wednesday, March 19, 2014 at 9:29pm

A Peculiar Question
If I have been given a B+ for two essays, it is considered a terrible grade? Will it affect my report card?
Wednesday, March 19, 2014 at 4:20pm

Math - PreCalc (12th Grade)
What is the first natural number that causes the statement 1 + 3 + 5 +... + (2n − 1)<=4n − 1 to fail? A) 2 B) 3 C) 4 D) 5 E) 6
Wednesday, March 19, 2014 at 12:05pm

Math - PreCalc (12th Grade)
What does this function show at x = 5? f(x)=x^2−25/x−5 A) removable discontinuity B) jump discontinuity C) infinite discontinuity D) continuity E) none of the above
Wednesday, March 19, 2014 at 12:00pm

Math - PreCalc (12th Grade)
What is the first natural number that causes the statement:(2+3)^n<=4^n+3^n to fail? A) 1 B) 2 C) 3 D) 4 E) 5
Wednesday, March 19, 2014 at 11:56am

Math - PreCalc (12th Grade)
What is the right-hand limit of this function at x=2? g(x)=x^2−3/x−3 A) -1 B) 0 C) 1 D) 2 E) 3
Wednesday, March 19, 2014 at 11:54am

Math - PreCalc (12th Grade)
What is the left-hand limit of f(x)=|x−3|/x−3 as x approaches 3? A) 1 B) 2 C) 0 D) -1 E) -2
Wednesday, March 19, 2014 at 11:14am

Term Paper question
I've started writing a term paper and wondering if there is anyone or any place that I could submit my paper and get feedback before it's graded? It's worth a large portion of my grade & I'd like someone to review it when I'm done.
Tuesday, March 18, 2014 at 10:52pm

4th grade math
kayla bought a bag of grapefruit. each morning for 5 days she and her father each ate one half of a grapefruit. her mother ate 3 halves total in that time. how much grapefruit did they eat altogether? write your answer as an improper fraction and as a mixed number.
Tuesday, March 18, 2014 at 5:26pm

4th grade math
In the school walkathon, Bev walked 2 1/5 miles, Dennis walked 3 2/10 miles, and Natalie walked 2 3/5 miles. what was the total distance they walked. write your answer as a whole number and as an improper fraction.
Tuesday, March 18, 2014 at 5:22pm

vocabulary power unit 5 grade 6
I am trying to find the meaning of this homework: cicle the letter of the word that is a synonym of the boldfaced word. Can you please help me...PLEASE!!!!
Tuesday, March 18, 2014 at 12:49am

math
The box-and-whisker plots show data for the test scores of four groups of students in the same class. Which plot represents a group with a median grade below 65?
Monday, March 17, 2014 at 6:41pm

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