Wednesday

October 1, 2014

October 1, 2014

Post a New Question | Current Questions

**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*

**7th grade math**

Computer catalog has a computer monitor that is 19 inches. The 19 inches is the diagonal distance across the screen. If the screen is 10 inches in height, what is the width of the screen to the nearest inch?
*Thursday, May 8, 2014 at 6:44pm*

**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*

**Chemistry URGENT**

I need help to evaluate if I completed my experiment calculation. determination of water in a hydrate. 1. Mass of crucible, and cover = 18451.3 2. Mass of crucible, cover and sample = 23410.2 3. Mass of crucible, cover and sample after 1st heating = 21789.8 4. Mass of crucible...
*Saturday, April 26, 2014 at 5:02pm*

**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*

**algebra 1 question pls help!!!**

1. Find the mean, median, and mode of the data set: 15, 16, 21, 23, 25, 25, 25, 39 a.mean = 23.6, median = 25, mode = 24 b.mean = 24, median = 23.6, mode = 25 c.mean = 24.6, median = 24, mode = 25 d.mean = 23.6, median = 24, mode = 25 This is what i got: Mean - 23.4 Median - ...
*Sunday, April 13, 2014 at 12:20pm*

**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*

**3rd grade math**

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

**Language arts 7th grade **

Using the image of a dove to represent the idea of peace in a peom is an example of
*Monday, April 7, 2014 at 11:50am*

**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 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*

**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*

**English**

Which of the following sentences from "Five Hours to Simla" best illustrates the mood of frustration? (1 point) • "After the first cacophony of screeching brakes and grinding gears. there followed the comparatively static hum of engines, and drivers waited ...
*Tuesday, March 18, 2014 at 1:49pm*

**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*

**Grade 10 English**

Based on the movie, The Red Violin what are 3 ways it differs from most Hollywood blockbusters?
*Monday, March 17, 2014 at 5:56pm*

**4th Grade Math**

Mike drank more than half the juice in his glass. What fraction of the juice could Mike have drunk?
*Monday, March 17, 2014 at 5:07pm*

**Spelling**

What does VCCV and VCV mean in 4th grade words?
*Monday, March 17, 2014 at 4:51pm*

**MS.SUE**

thats my other 2 sisters we go to the same school in the same grade and how do u know our current location
*Monday, March 17, 2014 at 4:03pm*

**MATH 104**

Last semester, a certain professor gave 24 As out of 244 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 a grade.)
*Saturday, March 15, 2014 at 11:04pm*

**Grade 10 English**

We need to read the story The Stone Carvers I need help with finding important quote s in chapter 1 to 2
*Friday, March 14, 2014 at 12:01pm*

**Math**

Susan designed a circular pool with a diameter of 25 meters. What is the area of the bottom of the pool? Round to the nearest tent. Please help this is due tomorrow and I need to up my grade.
*Monday, March 10, 2014 at 8:01pm*

**6th grade math - statistics**

Can you explain why Q1 = 3.5 and Q3 is 9 out of this dataset 0, 1, 3, 4, 6, 7, 7, 7, 8, 10, 12, 12. My answers were: Assuming median would be 7 (using numbers in positions 6 and 7 where 7+7/2 = 7) Q1 dataset would be 0,1,3,4,6; Q1 = 3 Q2 dataset would be 7,8,10,12,12; Q3= 10 ...
*Monday, March 10, 2014 at 5:17pm*

**math**

100 eighth grade students were interviewed about their favorite subject at school. 45 said Math, 70 said English, and 5 said neither. Using a Venn diagram, how many said both?
*Monday, March 10, 2014 at 4:01pm*

**Asking For Your Opinion:**

Would French 1 be a good course to take in 9th grade?
*Friday, March 7, 2014 at 10:55am*

**4th grade math**

Need help with this problem. Suppose you arrange 48 counters into groups. The first group has 3 counters. Each group after that has 2 more counters than the group before. How many groups do you need to make to use all 48 counters?
*Friday, March 7, 2014 at 2:47am*

**6th grade science**

A couple has just learned that their daughter has hemophilia. They already have a son who does not have the disease. What are the genotypes of the couple? I don't know how to do this please help!
*Wednesday, March 5, 2014 at 12:09pm*

**4th grade math**

Billy shaded 6/8 of a circle. mary shaded 15/16 of congruent circle. who shaded more. how do you know
*Tuesday, March 4, 2014 at 5:39pm*

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