Sunday

October 4, 2015
**statistics**

A study of 600 college students taking statistics revealed that 54 students received the grade of A. Typically 10% of the class gets an A. The difference between this gourp of students and the expected value is not significant at the 0.05 level. What does this mean?
*Tuesday, June 23, 2015 by mary*

**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 their behavior. This behaviorist is conducting __________ research.
*Friday, June 19, 2015 by elly*

**6th Grade Math :(**

Gabriella went skiing. She paid $35 to rent skis and $15 an our to ski. If she paid a total of $95, how many hours did she ski? Write an equation to represent the situation and solve it. I don't understand this. I did this problem before and my teacher said my answer was ...
*Wednesday, June 10, 2015 by MusicLover14*

**6th Grade Probability**

You roll a number cube twice. Find P (even, then not 2). Write the probability as a fraction in simplest form. I'm fully clueless to the answer to this question. Can someone please help me out? Thanks Very Much and need the answer A.S.A.P!
*Wednesday, June 10, 2015 by MusicLover14*

**English**

Can you give me reasons why becoming a better community is important. My Original Essay Question: How can cities in the U.S. be better designed to create a safer and more economically productive community? I need you list a way or (a few ways) becoming a better community ...
*Tuesday, June 9, 2015 by Anonymous*

**6th Grade World History**

Which of these was a result of the Punic Wars? A. Rome lost Hispania to Carthage B. Rome destroyed Cannae and Ilpia C. Rome's navy became highly advanced D. Rome developed trade relationships with China Please Help As Soon As Possible! I don't know the answer to this ...
*Tuesday, June 9, 2015 by MusicLover14*

**Algebra**

I have a few questions on my Pre- Algebra Pre- test. I am in 7th grade. Anyone willing to help me for a few questions for 5-10 minutes?
*Sunday, June 7, 2015 by Rebecca*

**6th Grade World History Help Please!**

What was the role of the Roman Assembly? A. It consisted of eight judges who enforced the law B. It formed the executive branch in the Roman Republic C. It allowed plebeians to have a voice in government D. It expanded the role of the Roman noblemen I don't have a clue ...
*Friday, June 5, 2015 by MusicLover14*

**6th Grade Probability**

From a barrel of colored marbles, you randomly select 4 blue, 5 yellow, 6 red, 2 green, and 5 purple. Find the experimental probability of randomly selecting a marble that is NOT blue. A. 6/13 B. 1/2 C. 9/11 D. 3/8 Please help me fast! I have no clue how to solve this :(
*Friday, June 5, 2015 by MusicLover14*

**6th Grade Probability**

The probability of winning a game is 25%. How many times should you expect to win if you play 36 times? A. 3 times B. 7 times C. 9 times (I think it's the answer) D. 11 times Please help me! If I'm wrong can someone please explain to me why and the correct steps and ...
*Friday, June 5, 2015 by MusicLover14*

**7th grade English**

Both the authors of Zoos: Joys or Jails and the author of Why do we need Zoos : a. think animals should live in their natural habitat b.believe animals are protected in zoos c.wish people would make donations to zoos d. want to help wild animals, esp. endangered ones.
*Thursday, June 4, 2015 by Brian*

**5th grade math**

16 times 1=16 what property is this 1 times 18 =18 what property is this
*Wednesday, June 3, 2015 by Mythreyee*

**5th grade math**

What is he price of a hamburger and cheeseburger at this restaurant h+3c=$9.00 2h+c=$5.50
*Wednesday, June 3, 2015 by Mythreyee*

**civics 7th Grade**

Which of the following best describes how the natural resources of the united states allowed it to develop a diverse economy? A. A lack of arable land forced Americans to turn to tourism. B. Its many waterways allowed to ship goods inexpensively. C. It developed a worldwide ...
*Wednesday, June 3, 2015 by Nikol*

**Math: 5th Grade**

A florist had an equal number of red and yellow tulips. She sold 624 red tulips. Then she had 4 times as many yellow tulips as red tulips. How many tulips did she start with? You must use a bar model to solve this problem.
*Monday, June 1, 2015 by Alex*

**tourism.geography.maths lit.history**

what career must i follow because im in grade 12 now.help me plz
*Monday, June 1, 2015 by zahzah*

**Maths**

Colin paid $4 for 4 buns and 4 cakes. 3 buns cost as many as 2 cakes.What was the total cost of 5 buns and 5 cakes? (My teacher gave this to my class as a brainteaser. I'm Australian and I'm nowhere near the smartest in my class. My homework is due in 6 hours. I&#...
*Sunday, May 31, 2015 by Olivia :)*

**chemistry**

What is the density of propane gas, C3H8, when measured at 18 grade celcius and 744 torr pressure?
*Friday, May 29, 2015 by Dion*

**6th Grade Probability**

A number cube is rolled. What is P(3 or an even number)? A. 1/2 B. 2/3 C. 4/2 D. 1/6 The answer is B. 2/3
*Friday, May 29, 2015 by MusicLover14*

**6th Grade Probability**

A class of 21 students has 9 girls and 12 boys. What is the probability of a teacher randomly picking on a boy? A. 3/4 B. 4/7 C. 3/7 D. 4/3 The correct answer is B. 4/7
*Friday, May 29, 2015 by MusicLover14*

**5th grade math**

51 is 4 times the number of books, less 13
*Wednesday, May 27, 2015 by Mythreyee*

**5th grade math**

51 is 4 times of book is less 13
*Wednesday, May 27, 2015 by Mythreyee*

**5th grade math**

The sum of 6 and the product of 7 and a number is 75
*Wednesday, May 27, 2015 by Mythreyee*

**1st grade math **

Draw a quick picture for 26+8. Show how to make a ten to model the number of apples a different way. Write a new number sentence I did 26 + 8 apples .. I drew 8 apples = 34 then I put 7+ 3 = 10 ?
*Wednesday, May 27, 2015 by Sarah *

**1 st grade math **

draw a new quick picture for pablo's apples. show how to make a ten to model the number of apples a different way. write a new number sentence. 4 + 6 = 10 ?
*Wednesday, May 27, 2015 by Sarah *

**Language Arts 6th grade **

This is from Phantom Toll Both. I am having trouble finding similarity and differences can you give me a hint of start me off that would be great. At least two ways which Tock and Humbug are alike and different
*Tuesday, May 26, 2015 by Stephanie*

**4th grade Science (Please Help!)**

Bowl A and Bowl B are filled with the same amount of water. Bowl A is covered in plastic wrap. Both bowls are left on a counter. The water level is checked in both bowls after 1 week. What is the independent variable? PLEASE HELP.
*Sunday, May 24, 2015 by Yellow*

**4th grade Science (Please Help!)**

Bowl A and Bowl B are filled with the same amount of water. Bowl A is covered in plastic wrap. Both bowls are left on a counter. The water level is checked in both bowls after 1 week. What is the hypothesis? Please HELP!
*Sunday, May 24, 2015 by Yellow*

**Algebra**

Is factoring equations a basic 9th grade skill?
*Friday, May 22, 2015 by Peach*

**Math**

How many questions are on the 9th grade math scantron performance series test?
*Friday, May 22, 2015 by Peach*

**5 th grade math**

at a grocery store salted peanuts in the shell cost 30 cents per ounce. is $5.00 enough money to buy 1 pound of peanuts?
*Thursday, May 21, 2015 by 5th grade math*

**6th grade math**

Mrs Roberts is 3 times as old as her son. The sum of their ages is 48 years. How old was Mrs. Roberts when her son was born?
*Wednesday, May 20, 2015 by Sandy*

**4th Grade Math**

The ratio of the number of dogs to the number of cats at an animal shelter is 5:4, if there is a total of 153 cats and dogs, how many cats are in the shelter
*Wednesday, May 20, 2015 by Sandy*

**English**

We can walk and ride a bike when I go to school. ========== Is this sentence grammatical? When we grade this short sentence in terms of grammar, can this sentence get A? Or is it totally wrong?
*Monday, May 18, 2015 by rfvv*

**7th grade English **

Which of the following traits distinguishes Miss Whitlaw from other "demons"? A. Generousity B. Independence C. Morality D. Height
*Monday, May 18, 2015 by banny*

**grade (5) math**

Design a rectangular dog pen that has the greatest possible area and keep within a budget of $50. Your pen needs at least one gate for your dog. Fencing is $1.00 per foot, fence posts are $2.00 each, and gates(3 feet wide) are $5.00 each. What is the area of a pen? pls help me!!!
*Monday, May 18, 2015 by ary*

**Math**

A court is 94ft long by 50ft wide. It has 3 circles each 12ft diameter. Two of the circles are at the free throw line and the third is at the center of the court. Within the 3rd circle is another circle with a radius of 2ft.The key is rectangular region on the court from the ...
*Sunday, May 17, 2015 by Kimberly*

**programming concepts**

Mr. Jones always gives True/False tests to his class. His tests always have 20 ques- tions. The maximum class size is 35. He needs a program that will calculate the stu- dents’ grades based on the best score. Grade A will range from the best score, to the best score minus...
*Friday, May 15, 2015 by sam*

**programming concepts**

Mr. Jones always gives True/False tests to his class. His tests always have 20 ques- tions. The maximum class size is 35. He needs a program that will calculate the stu- dents’ grades based on the best score. Grade A will range from the best score, to the best score minus...
*Friday, May 15, 2015 by sam*

**Science 8th Grade**

In what ways can outside forces affect an object's motion, position, and shape?
*Friday, May 15, 2015 by Archy*

**grade (5) math**

the cost of dinner for a family of four was $128. They left the waiter a total of $151.04, including the tip. What percent of the bill was the tip? Pls help me!
*Thursday, May 14, 2015 by ary*

**grade 5 math **

a great white loses teeth and grows new teeth if a shark lost 240 of its 3,000 teeth in one year what percent of teeth did it lose? Pls help !,!
*Wednesday, May 13, 2015 by Art *

**4th grade science**

imagine that the air temperature in your classroom increased by 10 degrees celsius. Would the relative humidity of the air in the room go up or down? Explain. Please help!!!!
*Tuesday, May 12, 2015 by Yellow*

**Vacation**

what should I pack to the grand canyon? why is the grand canyon a trip? please answer these are an essay to complete & if I don't pass I cant go to 7th grade thanks
*Tuesday, May 12, 2015 by Priscilla*

**Social sciences grade 9**

What are the ideologies and history of the following: *USSR *USA *political sanction
*Sunday, May 10, 2015 by Bongiwe gamede*

**grade (5) math**

The Rowans decided to build a pool in their backyard. What would be the area and perimeter of this pool? Let X=20 1/2 feet and y=2 1/2 yards. Pls help me!!
*Thursday, May 7, 2015 by ary*

**grade (5) math**

Tony made 85% of his field goal attempts if he made 40 attempts how many field goals did he make? Pls help!!
*Thursday, May 7, 2015 by ary*

**Math**

A grade six class is having a fundraiser. The class boys have three bags of apples. Each bag has 24 apples. The total cost of the three bags of apples is $12.24. The class sells the apples for 0.75 each. How much will the class gain per apple?
*Thursday, May 7, 2015 by Lori*

**Socials**

I am writing an essay for socials and the topic is: To what extent was the treatment of First Nations by the Canadian government justified? So far, I plan to explain both sides but lean more to the unjustified side(2 body paragraphs on that). My points are: the treaties and ...
*Monday, May 4, 2015 by Lily*

**trigonometry**

1) Find the exact value of the expression: tan−1(tan(−120651/47π))... How do you find Tan(-120651/47pi)? I don't know how to find exact values, if it's not a recognizable value. 2)Find a simplified expression for tan(sin−1(a/5))... Because...
*Sunday, May 3, 2015 by Dan*

**10th grade physics**

What speed must a bucket of water have to complete a circle with a radius of 1.2 m without spilling any water? My answer: this seems to be an incomplete question, not solvable without the weight of the bucket
*Friday, May 1, 2015 by kevin*

**5th grade math**

how can you use compatible number to estimate 14675 divided by 7 so that the estimate is greater that the actual quotient? how can you use compatible numbers so the estimate is less that the actual quotient.
*Tuesday, April 28, 2015 by Mythreyee*

**PHYSICS PLEASE HELP**

A very large firecracker explodes in the hallway into 3 fragments. Physics students rush to the scene to enrich their knowledge of the law of conservation of momentum. They report that Fragment 1: mass=1.23kg, v=8.70m/s, north Fragment 2: mass =2.60kg,v=6.10m/s,east fragment 3...
*Tuesday, April 28, 2015 by Maddie *

**5th grade (math)**

Leslie and Jess were racing at school. Leslie was able to complete the race in 12 1/2 seconds, whereas jess finished in13 1/10 seconds. How much faster did Leslie run? PLs help me!!
*Tuesday, April 28, 2015 by ary*

**i.c.t**

please can somebody give me some questions asked in grade six
*Monday, April 27, 2015 by kofi*

**6th Grade Math Inequalities**

The maximum weight allowed on The Wildcat ride is 221 pounds. Your friend weighs 60 pounds. To be able to ride in a car together, how much can you weigh? Write and solve an inequality. Is this the correct answer?: x + 60 ¡Ü 221; at most 161 pounds? Please answer ...
*Monday, April 27, 2015 by MusicLover14*

**6th Grade Math Help Please**

Hi, I need help because I'm really stuck on this math word. Can someone please define what rational coordinates means what? I really need help fast because this project is due today! Thank You :)
*Friday, April 24, 2015 by MusicLover14*

**Math 7th Grade**

1. which is a rule that describes the translation of point from (-5, 4) to (-1, 2) A (x,y) --> (x - 4, y - 2) B (x,y) --> (x + 4, y - 2) (my answer) C (x,y) --> (x + 4, y + 2) D (x,y) --> (x - 4, y + 2) 2. the ordered pairs (2, -17) and (5, -35) are solutions to ...
*Thursday, April 23, 2015 by Jarrod*

**7th grade math**

Can you check the following problem? (forgot to incl last night) 1. Which is an equivalent equation to (2/3)x - 1 = 1/2 that does not contain fractions? (2/3)x = 1 + 1/2 (2/3)x = 3/2 x = 3/2 * 3/2 x = 9/4 x = 2 1/4 A. 4x - 6 = 3 4x = 9 x = 9/4 x = 2 1/4 B. 4x - 2 = 3 4x = 5 x...
*Thursday, April 23, 2015 by Alexis*

**8th Grade**

Give an example of when you would want to reduce friction. Please help!
*Tuesday, April 21, 2015 by Mae*

**SS 6th grade**

I have to study for a test which is called New Empires and New Faiths Unit Test. Do you have any websites that I could go to review or to practice?
*Tuesday, April 21, 2015 by Stephanie*

**6th grade math**

if there are 24 kids in a class and 11 more boys than girls how many girls are there?
*Monday, April 20, 2015 by selby*

**4TH GRADE **

The __________ Ocean brings much seafood to this region. a. Pacific b. Indian c. Arctic d. Atlantic
*Monday, April 20, 2015 by BUB*

**math please help 8th grade**

y = 2x + 7 The slopes are equal. The graph has a greater slope. *** The equation has a greater slope.*** none of the above an i right? (:
*Monday, April 20, 2015 by XenaGonzalez*

**Business Stats**

In a maths class the bottom 16% of student are given an F grade. If the class mean is 63 and standard deviation is 18, what score must a student get to pass?
*Monday, April 20, 2015 by Daphne*

**4th Grade**

Timmy's birthday is 53 days away. Which of these is greater than 53 days? A. 3 weeks B. 2,400 hours C. 1 month D. 240 hours
*Friday, April 17, 2015 by BUB*

**5th grade (math)**

In how many different ways can five cent and eight cent stamps be used to make $2.43? In process, show the different combinations of stamps that make $2.43. In solution, tell how many ways you found. Pls help me pls.
*Thursday, April 16, 2015 by ary*

**4th grade math**

the area of a rectangular rug is 24 square feet. The perimeter is 28 feet. What are the dimensions of the rug?
*Thursday, April 16, 2015 by reid*

**Algebra**

Write a proportion using an unknown value x and the ratio 5:6 then solve it. In an orchestra, the ratio of trombones to violas is 1 to 3. There are 9 violas, Write a proportion that gives the number t of trombones in the orchestra. How many trombones are in the orchestra? The ...
*Thursday, April 16, 2015 by Ivy *

**6th grade math**

2 line segments intersect to form an angle that has a measure of 50.7 degrees. What is the measure in degrees of an angle that is supplementary to this angle?
*Wednesday, April 15, 2015 by Crystal*

**6th Grade World History**

Hi, can someone please explain me this: What caused the shift from Hinduism to Buddhism? *Note: I'm learning about Ancient India. Thanks and I don't have too much time so please hurry. Thanks :)
*Wednesday, April 15, 2015 by MusicLover14*

**6th Grade Math**

Hi, can someone please give me a few examples of how people use functions in the real world and explain them too? Thank You :)
*Wednesday, April 15, 2015 by MusicLover14*

**6th Grade Science Experiment**

Hi, forget my first post. Can someone please explain what a dependent and independent variable is? Thanks and I don't have too much time either.
*Wednesday, April 15, 2015 by MusicLover14*

**6th Grade Science Help PLEASE!**

Hi, so I did the coin drop experiment. I finished project, wrote my hypothesis, my data, my observations, and my conclusion. What I need help is that in this experiment I don't know which on is the independent and dependent variable. That's all I need. Can someone ...
*Wednesday, April 15, 2015 by MusicLover14*

**6th grade math**

Chris has made the following grades on five math test. 90,74,86,75,94 What score must Chris earn on the next math test to have a test average of exactly 85?
*Tuesday, April 14, 2015 by Alex*

**6th grade math**

While battling a forest fire , Samuel was only able to get three hours of sleep during the first day. What was the percent of the day was Sam awake F. 87.5% G. 37.5% H. 90% J. 10%
*Tuesday, April 14, 2015 by Alex*

**1 st grade**

why does little red riding hood go for a walk in the woods?
*Tuesday, April 14, 2015 by jessica*

**math 8th grade**

Face cards are removed from a standard deck of cards and the rest are set aside. two cards are drawn at random from the face cards. once a card is selected, it is not replaced. Find each possibility. P(jack and then king)? P(two black cards) answer 1/2 ?
*Monday, April 13, 2015 by jill *

**5th grade math**

Applying concept :calculate As of July 2004, the population of the United States was 293,027,571.if more than half of these people live within 80 kilometers of an ocean, about how many people live within that distance? Show your work.
*Monday, April 13, 2015 by Anonymous*

**8th grade math**

Company A charges $25.00 for up to 100 minutes, plus $0.50 for each extra minute. Company B charges $50.00 for an unlimited number for minutes. What are the equations for each company?
*Thursday, April 9, 2015 by Chris*

**Math**

the box and whisker plot 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? (Posting plots in comments) I was thinking its A, but i'm not sure.
*Friday, April 3, 2015 by Jason*

**6th Grade Math ASAP!!!**

Hi, I really need help!! I got a complex figure. The figure looks like the letter E. Just take out the middle line and that's my figure. Its base is 69 m, its height is 31 m, it's middle has 12 m, and 23 m.
*Friday, April 3, 2015 by MusicLover14*

**6th Grade Math Help**

Hi, I really need help. The question is find the area of the parallelogram which is not drawn to scale. I think the base is 24 cm, the height 9 cm, and the left side that's kind of cut slanted is 8 cm. Please help! Thanks!
*Friday, April 3, 2015 by MusicLover14*

**stastic**

Given the following information about a sample, calculate a z score for a test grade of 91. = 87, s = 4.01 (Points
*Thursday, April 2, 2015 by damon*

**6th Grade Science**

Hi, I really need help and I'm really confused I don't know what they are asking me to do. Provide three statements that demonstrate the importance of units when describing motion. Please someone help me because it is very important. Thank You :/
*Thursday, April 2, 2015 by MusicLover14*

**6th Grade Geometry Help Please**

Hi again, so when calculating a circle's dimensions, circumference and area do you use the squared symbol and for a rectangular prism's dimensions, surface area, and volume do you use the squared symbol? Please respond quickly!!! Thank You Very Much.
*Wednesday, April 1, 2015 by MusicLover14*

**English**

Which of these words has the same denotative meaning a, but a different connotative meaning than, the word COPIOUS. A. meager B. abundant C. lavish ******* D. sparse An award is given every year to the student ______ has the highest grade-point average. Which of these ...
*Wednesday, April 1, 2015 by Cassie*

**5th grade math**

Letitia is making a pizza that needs to cover 36 square inches. give two possible sets of dimensions (length and width) that will give Letitia's pizza the desired area. also give the perimeter for each set.
*Monday, March 30, 2015 by kayli *

**5th grade math**

Meg is making ribbons for the country fair. she needs to glue edging around the outside of the circular part of the ribbon shown. about how many centimeters of edging does she need? 5 cm 7 cm 9 cm 28 cm
*Monday, March 30, 2015 by kayli *

**5th grade math**

The circumference of a circular trampoline is 44 feet. Estimate the radius of the trampoline
*Monday, March 30, 2015 by kayli *

**Grade 11 Chemistry**

Calculate the concentration of I- in an aqueous solution prepared in a 250 ml volumetric flask from 50.0 ml of a 0.840 mol/L aluminum iodide solution and 160.0 ml of a 0.500 mol/L tin(IV) iodide solution.
*Saturday, March 28, 2015 by Sim*

**Grade 11 Chemistry**

calculate the molarity of cl- ions in a solution made from mixing 50.0 ml of a 0.100 m/l solution of ferric chloride with 50.0 ml of a 0.500 mol/l solution of ammonium chloride
*Saturday, March 28, 2015 by Sim*

**statistic**

A statistics quiz consists of 10 multiple questions. There are four choices for each question. One student is unprepared and decides to guess the answers to every question. Assuming 70% is a passing grade, find the probability that the student will pass the quiz.
*Saturday, March 28, 2015 by Anonymous*

**geography,life sciences,maths lit and consumer studies**

am in grade 11 so i dnt knw wht career i wnt to do after finished matric so plz help me
*Friday, March 27, 2015 by tears*

**6 grade math**

Choose all statements that are not true. a 20% of 20 is 4 b 30% of 30 is 9 c 40% of 50 is 15 d 50% of 110 is 60 e 60% of 60 is 360 The answer I choose is all of them. Is this correct.
*Thursday, March 26, 2015 by Jack*

**5th grade math**

Find the value of 'n' to make each statement true. 1. 22 times n is between 80 and 85
*Thursday, March 26, 2015 by mythreyee*

**5th grade math**

Find the value of 'n' to make each statment true. 1.22 x n is between 80 and 85
*Thursday, March 26, 2015 by mythreyee*

**7th grade math (probability)**

Can you check these, please? Ten cards numbered 1 through 10 are mixed together and then one card is drawn. Find the probability of each event. Write each answer as a fraction, percent, and decimal. 14. P(less than 5) = 4/10 = 2/5 Ans: 2/5, 40%, 0.4 15. P(greater than 3) = 7/...
*Thursday, March 26, 2015 by Alexis*

**4th grade math**

The drill team is selling cookies to raise money. It costs .78$ to make each cookie. They sell them for $1.50 each. If they sell 253 cookies, how much profit will they make? Do I have to subtract the .78 from 1.50 then multiply that answer by 253? Or do i forget about the $1....
*Tuesday, March 24, 2015 by reid*

**Science grade 8**

Which chemical equation is balanced? 1. H20 H 2 + 20 2 2. 2H20 2H2 +0 2 3. 2H20 H2 + 20 2 4. H2O 2H2 + 20 2 Im super confused... But I think its 4?? Im probably wrong so please help?!?!
*Monday, March 23, 2015 by Amy*