Thursday

October 2, 2014

October 2, 2014

Post a New Question | Current Questions

**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*

**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*

**LA PLS HELP!!!!! (check my work) **

1. What causes Brer Lion to be tied to a tree? (1 point) >>>his fear<<< his strength his obedience to Brer Rabbit 2. Which of the following is a reasonable prediction about what will happen after this story is over? (1 point) Brer Lion and Brer Rabbit will ...
*Wednesday, March 26, 2014 at 7:04pm*

**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*

**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*

**6th grade math**

Mark is alternating sqaure tiles with lengths of 4in and 2 in. along the edge of a 6 foot long wall. If he starts with a 4 in tile and ends with a 2 in tile, how many tiles will he use in all? Draw a diagram to solve.
*Monday, March 3, 2014 at 2:07pm*

**Math-5th grade.HELP!**

a 12 gallon tank is filled with water at the rate off 1/4 gallon in 5 seconds. At this rate, how long will it take to fill 5/6 of the tank? ?????
*Saturday, March 1, 2014 at 12:49pm*

**5th grade math**

In the multiplication problem at the right different letters stand for different digits, and ABC and DBC each represent a three digit number. What number does DBC represent? Two answer possible; give one
*Saturday, March 1, 2014 at 12:20pm*

**English Grade 11**

Explain how the meaning of each of the following words is related to the root work -litera- mean "letter." 1. literate (adj.) 2. literature
*Wednesday, February 26, 2014 at 12:02pm*

**math**

50 students took a test. 24 recieved a better than average grade. What percent scored above the average?
*Tuesday, February 25, 2014 at 8:53pm*

**physics**

A 1.761 km car is moving down a road with a slope (grade) of 12% at a constant direction and magnitude of the frictional force? Please show step by step if possible, I am extremely lost! Thanks!
*Tuesday, February 25, 2014 at 8:05pm*

**4 grade math**

What is the sum of4/10 and 40/100
*Monday, February 24, 2014 at 10:03pm*

**5th Grade Math**

3/4 x 1/2 = 3/8 Need to write a word problem for this equation, and then my daughter has to draw a model to show the product. She doesn't believe that the equation I gave her is useable so I am turning to here. Thank you!
*Monday, February 24, 2014 at 7:59pm*

**7th grade**

MS SUE- WHY DO YOU HELP STUDENTS CHEAT ON THEIR TESTS. THEY ARE POSTING ACTUAL QUESTIONS HERE
*Monday, February 24, 2014 at 7:52pm*

**English Grade 11**

What is the literary term for an event that is different from what the readers or the characters will expect to happen? A. situational irony B. ambiguity C. verbal irony D. contradiction Working on my workbook pages for this week and I don't understand this one: please ...
*Monday, February 24, 2014 at 5:09pm*

**ss --- pls check my work!!!**

hi, can somebody pls check my work asap!?? 1. Who was the African American who called the war with Mexico "disgraceful" and "cruel"? (1 point) Santa Anna Frederick Douglass*** Davy Crockett Sam Houston 2. When Mexico won its independence in 1821, it ...
*Monday, February 24, 2014 at 12:51pm*

**6th grade social studies**

I need help unscrambling these letters to form two words: inenidj tcain They go along with the phrase ______ _____and Persia.
*Monday, February 24, 2014 at 7:15am*

**8th grade science **

How many (total) of each atom are there in the reactants and the products of cellular respiration? PLEASE HELP ME
*Sunday, February 23, 2014 at 3:58pm*

**math**

The grade of a road is 6%. What is its angle of elevation?
*Thursday, February 20, 2014 at 1:15pm*

**shurley english**

third grade, direct object, pattern 2
*Tuesday, February 18, 2014 at 8:12pm*

**Reading & Math**

My daughter is in the third grade and she is reading on a level of 20 she should be at level 34. Please help they are threating to retain her and I don't want that. I need suggestions, desperate mom.
*Tuesday, February 18, 2014 at 5:42pm*

**math**

I'm in 4th grade this is my problem samantha has 14 yards of ribbon.she wraps 12 presents and uses 5/6 yard of ribbon to decorate each present.the total amount of ribbon she used is modeled in the diagram below
*Tuesday, February 18, 2014 at 2:59pm*

**Math 5th grade**

Look for a pattern. Have a rectangle with number 10, 16 and 23 in the corners.the circle in side with 9, 12 and 24. Place the numbers from 8 to 26 either inside or outside the circle according to the pattern shown. Please help!!!
*Monday, February 17, 2014 at 11:30am*

**Math **

Mr.Fox's fourth grade class of 20 students had an average of 72% on their last test. However, Rose's mark of 76% had been incorrectly recorded as 56 %. What was the correct class average for the test? A) 82% B) 80% C)73% D) 62%
*Sunday, February 16, 2014 at 1:03pm*

**8th grade science**

Explain how the sun's temperature will change over time as it ages.
*Saturday, February 15, 2014 at 3:17pm*

**Science 8th Grade**

What was the hiker's average velocity? Distance = 6km West Starting Time = 9:45 Ending Time = 10:45 A. 4.0 km/h south B. 0.10 km/h north C. 10 km/h south west D. 6 km/h west
*Friday, February 14, 2014 at 11:08am*

**Math**

Is anyone in 8th grade connections academy and on unit 1 lesson 10 test
*Thursday, February 13, 2014 at 7:03am*

**Grade 8 math**

What is the greatest possible product of any two numbers in this list? Explain your answer. -3,-7,-15,6
*Tuesday, February 11, 2014 at 5:21pm*

**4th grade math**

write a multiplication sentence with the greatest possible product using the digits 1, 2, 6, and 8 once. then write sentence with the least possible product
*Tuesday, February 11, 2014 at 5:04pm*

**4th grade math**

mary's class collected cans for recycling. they put 2 dozen can in each sack. they had 104 sacks at the end of the year. how many cans did they collect
*Tuesday, February 11, 2014 at 5:02pm*

**4th grade math**

A serving of juice is 250mL. how many servings are in a dozen liters of juice.
*Tuesday, February 11, 2014 at 4:59pm*

**4th grade math**

Grace also bought 2 lengths of ribbon to trim a picture frame. one length was 18 inches. the sum of both lengths was 4 feet. what ws the length of the second piece of the ribbon
*Tuesday, February 11, 2014 at 2:47pm*

**4th grade math**

Grace wants to put a wallpaper border around the top of the room. Each roll of the wallpaper border is 120 inches long. how many roll will she need.
*Tuesday, February 11, 2014 at 2:47pm*

**4th grade math**

A serving of juice is 250 mL. How many servings are in a dozen liters of juice?
*Monday, February 10, 2014 at 9:19pm*

**4th grade math**

A granola bar weighs 30 g. 100 granola bars are in a shipping carton. how many kilograms do a dozen shipping cartons weigh?
*Monday, February 10, 2014 at 9:14pm*

**4th grade math**

A serving of chicken noodle soup is 120 milliliters. how many liters of soup will the cafeteria need to serve 350 students
*Monday, February 10, 2014 at 7:42pm*

**4th grade math**

A box of hot cocoa packets has 30 grams of hot cocoa mix. how many boxes of mix can be made from 6 kilograms of hot cocoa mix
*Monday, February 10, 2014 at 7:40pm*

**10th grade Science**

Explain how a drug sits on acetylcholine receptors will affect muscle function? Is it because the drug would act as a blocking agent to prevent the receptors from gathering information on what to do?
*Saturday, February 8, 2014 at 1:27pm*

**science --- pls check my work!!!**

hi, pls check my work asap! 1. A ___ has a definite shape and a definite volume. (1 point) solid*** liquid gas molecule 2. Why is a gas able to flow? (1 point) Its particles have melted and can move around.Its particles have high viscosity and can move around. Its particles ...
*Saturday, February 8, 2014 at 12:23pm*

**statistics**

how do the 4th grade girls weight in principal ben's school compare to the national mean weigh = 90 sd=15
*Thursday, February 6, 2014 at 9:58pm*

**grade 12 calculus and vectors**

Determine the average rate of change form x = 1 to x = 4 for each function. a) y= x b) y=x^2 c) y=x^3 d) y=7
*Thursday, February 6, 2014 at 5:07pm*

**9th grade algebra**

suppose the population of deer in a state is 10,280 and is growing 1% each year. predict the population after 5 years.
*Thursday, February 6, 2014 at 11:47am*

**Math**

The 80 students in the 5th grade at north side elementary school voted for their favorite animal after a trip to the zoo.the elephant received 3/5 of the votes.how many votes did the elephant receive.
*Wednesday, February 5, 2014 at 8:26pm*

**ART please help me i just need to be sure about'em**

this type of ad implies the product will make you beautiful. slogan testimonial icon rich-and-famous i think its testimonial but i want to be sure. this happens as symbolic, traditional dress in africa is replaced with western styles of clothing. the dress becomes more popular...
*Tuesday, February 4, 2014 at 4:02pm*

**ART please help me i just need to be sure about'em**

this type of ad implies the product will make you beautiful. slogan testimonial icon rich-and-famous i think its testimonial but i want to be sure. this happens as symbolic, traditional dress in africa is replaced with western styles of clothing. the dress becomes more popular...
*Tuesday, February 4, 2014 at 3:59pm*

**math 6th grade**

the bridge span is 360 meters long. the bridge is 30 meters shorter than the main span. write and solve an equation to the the length of the main span
*Monday, February 3, 2014 at 3:04pm*

**2nd grade math**

Mr foster places 11 garden lights along an 80 meter path. Each light is placed an equal distance apart. How far away is the sixth garden light from the second?
*Sunday, February 2, 2014 at 8:32pm*

**physics**

A superball is dropped from rest from a height of 2.0m. It bounces repeatedly from the floor, as superballs are prone to do. After each bounce the ball dissipates some energy, so eventually it comes to rest. The following pattern is observed: After the 1st bounce, the ball ...
*Friday, January 31, 2014 at 9:46am*

**physics**

A superball is dropped from rest from a height of 2.0m. It bounces repeatedly from the floor, as superballs are prone to do. After each bounce the ball dissipates some energy, so eventually it comes to rest. The following pattern is observed: After the 1st bounce, the ball ...
*Friday, January 31, 2014 at 12:56am*

**6th grade honor science**

having trouble with this question it was fill in the blank it was In a food web, an organism that eats an animal is a blank consumer
*Thursday, January 30, 2014 at 8:54pm*

**5th Grade Math**

Question: Each face of a prism other than the bases is what two-dimensional shape? Please help I'm really confused and need help.
*Monday, January 27, 2014 at 9:49pm*

**Science - 6th grade: CHECK MY ASNWER**

If changing conditions lead to decreased oxygen levels in the stream, the carrying capacity of the stream for the trout will decrease. Oxygen level in water is therefore a(n) _____________ with respect to the number of trout that a particular stream can support. Is it "...
*Saturday, January 25, 2014 at 8:32pm*

**8th Grade History**

In which region do rivers flow into a basin but evaporate before they make it to a larger body of water? A.the Coastal Plains B.the Great Plains C.the Great Basin D. the Everglades Thank ya!!! <3
*Saturday, January 25, 2014 at 4:58pm*

**10th grade Science**

Explain, physiologically, how you would decide to use ice or heat on an injury? My book doesn't have any good info on this question. Is there a reputable website or article to get info to answer this question?
*Friday, January 24, 2014 at 7:27pm*

**8th grade math**

What is the volume of a crate with the dimensions of 4ft by 3ft by 2ft?
*Thursday, January 23, 2014 at 11:08pm*

**4th grade math**

there were 18 kids at the play.each kid had 4 dolls.how many dolls are there in all?
*Thursday, January 23, 2014 at 7:52pm*

**4th grade social studies**

why did the king of spain give florida land away to foreigners? I can't find any thing on the internet?
*Wednesday, January 22, 2014 at 8:46pm*

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