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December 22, 2014

December 22, 2014

Post a New Question | Current Questions

**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*

**4th grade math**

a circle is divided into 18 equal parts. how many degrees is the angle for each part? how many degrees is the angle for 5 parts?
*Tuesday, April 16, 2013 at 9:52pm*

**Math**

Umm Im in 5th grade and I do not under stand this at all because I don't know what the brakets are and how do you you use them heres the question 108 + 3[15 - (3 + 9)]=?
*Tuesday, April 16, 2013 at 8:07pm*

**math 4th grade**

how do you add 2/3 plus 5/8
*Tuesday, April 16, 2013 at 8:06pm*

**4th grade Math**

What fraction could be used to express 2 parts that equal 15/17?
*Tuesday, April 16, 2013 at 5:34pm*

**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&#...
*Tuesday, April 16, 2013 at 12:15pm*

**Grade 12 Calculus **

State the absolute maximum value and the absolute minimum value of each function, if the function is defined on the interval shown. {I CANNOT POST THE GRAPH SO CAN SOMEONE EMAll ME AT miss.a.parker at hot mail(. com) SO I CAN EMAIL IT TO THEM SO YOU CAN HELP ME? I WOULD LOVE ...
*Monday, April 15, 2013 at 7:05pm*

**Grade 12 Calculus **

Evaluate each of the following. Show all your calculations. a) f'(3) if f(x) = x^4 − 3x b) f' (−2) if f(x) = 2x^3 + 4x^2 − 5x + 8 c) f" (&#...
*Monday, April 15, 2013 at 7:00pm*

**Grade 12 Calculus **

Determine the maximum and minimum of each function on the given interval. a) = 2x^3 − 9x^2 ,−2 ≤ x ≤ 4 b) = 12x − x^3 , x∈ [−3,5]
*Monday, April 15, 2013 at 6:47pm*

**Grade 12 Calculus **

Determine the velocity and acceleration as functions of time, t, for s(t) = 45t − 5t^2, where s(t) represents the distance as a function of time. (Hint: velocity and acceleration correspond to the first and second derivatives of the distance)
*Monday, April 15, 2013 at 6:44pm*

**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&#...
*Monday, April 15, 2013 at 6:42pm*

**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) = − 4 + 3 , 0 ≤ ≤ 3 b) = − 1 , 0 ≤ &#...
*Monday, April 15, 2013 at 6:40pm*

**science**

______________ can prevent some bacterial cells? 7th grade science please help meeeee ms sue help me please thanks
*Monday, April 15, 2013 at 6:21pm*

**science**

______________ can prevent some bacterial cells? 7th grade science please help me.
*Monday, April 15, 2013 at 5:20pm*

**5th grade math**

I dont get it! /is 20 times 5/6 greater than or less than 20
*Monday, April 15, 2013 at 4:41pm*

**math**

on the test had 50 items gertrude got 34 out of the first 40 correct. if she received a grade of 80% on the test how many of the last 10 did she have correct
*Monday, April 15, 2013 at 2:47pm*

**physics grade 12.**

A spring is extended by 4mm when a load of 2.N was applied. a)What is its spring constant? b)How much would it extend if a losd of 150g was suspended from it?
*Sunday, April 14, 2013 at 5:38pm*

**statstics**

construct a 90 confidence interval for the population mean ÃŽÂ¼. assume the population has a normal distribution. A sample if 15 randomly selected math majors has a grade point average of 2.86 with a standard deviation od 0.78. Round to the nearest ...
*Sunday, April 14, 2013 at 12:20pm*

**social studies 8th grade**

Can you please help me find an accurate map of The Treaty of Fontainebleau 1762? I am trying to complete a project and want to make sure it is accurate
*Saturday, April 13, 2013 at 11:22am*

**8th Grade Math**

I need help on the following please? A group of clowns performs in a ring with an area of about 2,123 square feet. What is the circumference of the ring? Choose the closest answer. 156 ft. 52 ft. 163 ft. 82 ft. Thank You. Please explain the answer
*Friday, April 12, 2013 at 9:10pm*

**Math**

Jeremy got scores of 93,82,91, and 88 on his first four math test. What score must he get on the fifth test to have an average test grade of 90 for the five test ? Can someone explain step by step. Please
*Thursday, April 11, 2013 at 9:51pm*

**10th grade chemistry **

How many grams of kno3 can be dissolved in 100g of h2o at 50°c
*Thursday, April 11, 2013 at 8:46pm*

**business**

what studies should i take if i pass my business studies with higher marks?...(I'm in grade 12)
*Thursday, April 11, 2013 at 6:26am*

**6th grade grammar**

Put brackets [ ] around the adverb in each of the following sentences. Write how if the adverbs tell how, when if the adverbs tells when, or where if the adverb tell where the action takes place. 1.Her grandmother said, “You cannot wear it now!” Please Help!
*Wednesday, April 10, 2013 at 7:03pm*

**7th grade science**

Q: A pair of fruit flies reproduces and has 1000 offspring. All 1000 of the offspring have the alleles Gg. What is the most likely combination of alleles that each parent has, and why are other combinations not likely?
*Wednesday, April 10, 2013 at 6:30pm*

**physics**

Venus is a grade 12 learner and she claims that she can shoot a stone 50m vertically high by using a catapult.She wants to know the relationship between the height reached by the stone and the initial velocity of it.
*Wednesday, April 10, 2013 at 12:44pm*

**math-7th grade algebra 1**

Please show the steps and explain how to do this as well. 3√8 · 2√5
*Wednesday, April 10, 2013 at 1:18am*

**6th grade math**

How to figure if 60 cookies were baked and 7/12 were given away, how many are left?
*Tuesday, April 9, 2013 at 9:40pm*

**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 the behavior. This behaviorist is conducting __________ research.
*Tuesday, April 9, 2013 at 9:10pm*

**Math**

I am in third grade and have a word problem that I don't understand. There is a picture of a retangular window with 12 little squares inside divided by wood. The question is how many feet of lights would be needed to hang around five windows like this one. There are no ...
*Tuesday, April 9, 2013 at 5:31pm*

**third grade math**

how do i 2- fracture each third
*Tuesday, April 9, 2013 at 4:01pm*

**7th grade math/ geometry**

how to name an angle in four ways?
*Monday, April 8, 2013 at 7:26pm*

**Life science, history, geography, and maths literacy**

I'm in grade 11 and i was wondering if you could help me with this question. I'm doing those subjects and i would love to take a career that is linked in those subjects, what would they be?
*Monday, April 8, 2013 at 4:09pm*

**math 12 grade**

find two positive number X and Y such that their sum is 35 and the product X2 Y5 is maximum?
*Monday, April 8, 2013 at 7:48am*

**7th grade math**

Q:The ratio of the perimeters of two square is 5 to 4. If the area of the smaller square is 36 units, what is the area of the larger square? A: 56.25 My teacher told us the answer, 56.25, so that we could correct it. But I don't understand how she got the answer at all, so...
*Sunday, April 7, 2013 at 4:15pm*

**5th grade math (word problems)**

Stefan pours 5/8 cup of milk. He uses 2/3 of it for a bowl of cereal. What fraction of a cup of milk does he use with his cereal? solution: 5/8 * 2/3 = 10/24 = 5/6. So, is the answer 5/6?
*Sunday, April 7, 2013 at 12:27pm*

**11th grade math**

find the length of arc if an angle measuring 25 degrees is in the circle of radius 6 feet
*Sunday, April 7, 2013 at 12:12pm*

**11th grade math**

in triangle DEF,<D=50 degree, DE=14 meters, and DF=10 meters. find the area of triangle DEFto the nearest tenth of a square meters
*Sunday, April 7, 2013 at 12:10pm*

**grade 6 honors math**

Of 150 sixth graders choosing electives for next year, 50 signed up for theater, 65 signed up for art and 70 signed up for band. Some students did not choose an elective. Represent this information using Venn Diagrams.
*Friday, April 5, 2013 at 11:54pm*

**science**

A ________ biome is a cold, dry area where the sun barely rises during the winter. a. coniferous forest b. temperate deciduous forest c. grassland d. tundra this is a 7th grade question and can a science teacher help me out on this please so i can study for a make up test ...
*Thursday, April 4, 2013 at 6:03pm*

**math**

There are 12 girls in one of the fifth grade classes. The number of girls is two-thirds the number of boys, b. The number of boys can be found using the equation 2/3b=12. How many boys are in the class?
*Thursday, April 4, 2013 at 5:22pm*

**history**

what were the five key points of henry clay's compromise of 1850? someone please help me and this is a 7th grade history question by the way....
*Wednesday, April 3, 2013 at 8:04pm*

**7th Grade Language Arts**

While reading Rudyard Kipling's poem "If," Fred imagined that the speaker was talking directly to him. This reading strategy is called (1 point) connecting. evaluating. interpreting. summarizing. My Answer: 1) A
*Wednesday, April 3, 2013 at 5:35pm*

**la**

shoud students who fail their classes be retained and have to repeat the grade ?
*Tuesday, April 2, 2013 at 6:03pm*

**la**

shoud students who fail their classes be retained and have to repeat the grade ?
*Tuesday, April 2, 2013 at 6:03pm*

**7th Grade Language Arts~!!!**

What was the first South American nation to receive independence? (1 point) Chile Argentina Paraguay Brazil My Answer: 1) Argentina Is this correct?
*Tuesday, April 2, 2013 at 12:28pm*

**7th Grade Language Arts**

Cultural context involves all of the following except the group's __________. (1 point) values wealth customs I think its wealth.. but not sure, am i correct?
*Monday, April 1, 2013 at 8:59pm*

**math**

What is the angle relationship notes for the test i have to take? please help me someone thanks for the help you guys... oh yeah almost forgot this some 7th grade math..
*Monday, April 1, 2013 at 5:10pm*

**math 6 grade**

Below are some sale prices for soda .Which offers the best price ? a. 6 for $1.75 b.8 for $1.90 c.12 for $3.15 d.30 for $7.50
*Monday, April 1, 2013 at 3:53pm*

**math 6 grade**

A discount store is having a sale on CDCs.7 CDs cost $65.45 ,what is the price per CD?
*Monday, April 1, 2013 at 3:44pm*

**grade 12 life orientation **

identify and describe 3 environmental health hazards that cause ill health,crises,and disasters within your community or any other community within south africa and globally
*Saturday, March 30, 2013 at 2:47pm*

**programming**

Design a class named Book that holds a stock number, author, title, price, and number of pages for a book. Include methods to set and get the values for each data ﬁeld. Also include a displayInfo() method that displays each of the Book’s data ﬁelds with ...
*Saturday, March 30, 2013 at 2:46pm*

**Grade 12 Life orientation**

Critically discuss 5 ways in which lifestyle/behaviour substance of both legal and illegal drugs impact on the teenagers?
*Saturday, March 30, 2013 at 12:26pm*

**7th Grade Social Studies**

Explain the similarities and differences between corporate farms and mixed-crop farms. (5 points)
*Friday, March 29, 2013 at 11:04pm*

**MATH, 3rd time i posted this**

can someone please help me, i posted this like 3 times. i need help on a couple of questions. I did all my other questions but i need a lot of help with the word problems... 1. The side length of a small square is s. A larger square has a perimeter of 124.8 cm. Its sides are 3...
*Tuesday, March 26, 2013 at 10:15pm*

**6th Grade Math**

Need help to explain to my daughter: A horsepower is the power needed to lift 33,000 pounds 1 foot in 1 minute. It is equivalent to 746 watts. Express 525 watts as a portion of a horsepower both as a fraction and a decimal rounded to the nearest thousandth. Thanks for anyone&#...
*Tuesday, March 26, 2013 at 8:53pm*

**GRADE 12**

IN 10-15 LINES CRITICALLY DISCUSS 5 WAYS IN WHICH THE HUMAN OR ENVIRONMENTAL PROBLEM IMPARTS ON THE COMMUNITY .PROVIDE RELEVANT SOURCES TO SUPPORT YOUR CLAIMS
*Tuesday, March 26, 2013 at 5:47pm*

**6th grade math**

Ella and Nico had $250 altogether. If Nico spent $35, he would still have $5 more than Ella. How much money did Ella have?
*Monday, March 25, 2013 at 8:06pm*

**6th grade Math**

A sample of 50 people in Harrisburg indicates that 10 people of them know the name of the mayor of their neighboring city. Out of 5, 500 Harrisburgh residents, how many would you expect to know the name of the mayor of the neighboring city?
*Monday, March 25, 2013 at 7:37pm*

**8th grade math **

In the original design for the livingroom genivie ve planned to have a 6ft by 8ft floor rug made after looking at the budget however she discovers she only had enough money to make a .75 times the size of the original how much fringe must she purchase to outline the new rug.
*Monday, March 25, 2013 at 7:22pm*

**Science 8th grade**

what gets hot and cold faster, solid or gas and why?
*Friday, March 22, 2013 at 11:46am*

**MATH 8 HELP!!!**

NYS 8th grade math curriculum 2013???? This year we have a BRAND NEW curriculum. I just want a list of units and topics in each unit because I want to know what I'm learning and what will I learn next (long story....) please help!!!!
*Thursday, March 21, 2013 at 6:33pm*

**7th grade math**

A company needs to packages 80 cubic feet of chemicals in to a plastic container, find the whole number dimensions of a container that would use the least amount of plastic
*Thursday, March 21, 2013 at 6:33pm*

**Math,6th grade**

Jane biked 34 mi in 2 h. At this rate, how far could she bike in 5 h?
*Thursday, March 21, 2013 at 11:28am*

**Harcourt Trophies Practice Book**

I don't have my 5th grade harcourt trophies book with me. I need the pages 88 and 89. Is there a website I can use to print out the pages?
*Wednesday, March 20, 2013 at 5:49pm*

**ela**

how do i get a good grade on ela comprehension multiple choice test.
*Wednesday, March 20, 2013 at 4:41pm*

**4th grade math**

bryan bought a car that is 14 feet long, how many inches is this?
*Tuesday, March 19, 2013 at 7:31pm*

**5th grade math**

mrs jones wrote 8 personal letters and addressed 8 envelopes to 8 different people. she placed each letter in an envelope, but when she got to the last one for Judy Ogg she had an envelope for Sheri Ford. What is the minimum number of envelopes she would have to open to ...
*Tuesday, March 19, 2013 at 6:50pm*

**writing**

My 5th grade year was coming to a close and I, personally, was really looking forward to summer. Two months of sleeping in late and doing whatever. How would I write this...
*Monday, March 18, 2013 at 10:02pm*

**7th grade math**

if you borrow $1000 at 9% interest and pay it back over 1 1/2 years, how much do you pay back including interest?
*Monday, March 18, 2013 at 8:14pm*

**7th Grade Math**

What is arithmetic and geometric sequences?
*Monday, March 18, 2013 at 12:43pm*

**Management Science**

Riverside oil company in eastern Kentucky produces 3 different grades of gasoline. They are regular, premium, and supreme grades. Each barrel of regular grade sells for $82 while premium grade sells for $88 per barrel and supreme grade sells for $89 per barrel. Petroleum ...
*Monday, March 18, 2013 at 11:01am*

**physics (Newton's Laws)**

Please help, A cat is stuck in a tree. You are designated with the job to get it out, yet you do not want to climb the tree, because you may get stuck as well. Instead you set up a pulley system. A rope (consider it massless) runs from the seat you sit on over an ideal pulley...
*Sunday, March 17, 2013 at 9:27pm*

**math 5th grade**

fay is making 13 bows to sell at the annual craft fair. she has 36 feet of ribbons to make her bows. if each bow requires 2 and 1\4 feet of ribbon,how much ribbon will not be used
*Sunday, March 17, 2013 at 7:34pm*

**Math - Grade 5**

After saving 4/5 of his salary every month, Zacky has $150 left. Micah saves 6/7 of his salary every month. If both guys save an equal amount each month, how much is their combine salary?
*Saturday, March 16, 2013 at 2:11am*

**math**

The Grade 8 students had a graduation dinner. They paid a flat rate of $125 for the use of the hall, plus $13 for each student who attended. The total cost of the dinner was $944. How many students attended the dinner ? Write an equation to solve the problem.
*Thursday, March 14, 2013 at 3:03pm*

**7th Grade Math**

Stacy has a spinner (1-4) and a number cube (1-6). After spinning and rolling the number cube, she will add the two numbers. What is the probability that the sum of the numbers from the spinner and number cube will be 3 or 4?
*Wednesday, March 13, 2013 at 5:31pm*

**Math**

Last semester, a certain professor gave 36 As out of 390 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.)
*Tuesday, March 12, 2013 at 9:04pm*

**5th grade math**

bill is replacing the grass in his yard with cement .the yard is 300m long and 100m wide. if cement is 15cents per cm how much would it cost?
*Tuesday, March 12, 2013 at 7:23pm*

**math**

if my average is 88 percent. and if another grade is added, is it possible that my average would be the same
*Monday, March 11, 2013 at 7:29pm*

**statistics**

Last semester, a certain professor gave 23 As out of 279 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.)
*Sunday, March 10, 2013 at 11:13pm*

**Physics 11th grade**

1) A racing car has a mass of 1525 kg. What is its kinetic energy if it has a speed of 35 m/s? 2) How much potential energy does Tim,with mass 60.0 kg, gain when he climbs a gymnasium rope a distance of 3.5 m? -Benchmark Review-
*Sunday, March 10, 2013 at 4:29pm*

**ENGLISH/MATH/SCIENCE HELP!**

Is there any websites for teens to read short stories (or long), then you answer ONLY multiple choice questions, grade you, and to have a profile or something to see all of your grades if your making progress each time (to see if your improving). I want to improve my reading ...
*Saturday, March 9, 2013 at 12:22pm*

**Lang. Arts**

4. Identify the appositive phrase in the following sentence. Mrs. Talavera, an eighth grade teacher at Rosewood Middle School, led the community meeting about childhood obesity. A.Mrs. Talavera B.an eighth grade teacher at Rosewood Middle School C.led the community meeting D....
*Saturday, March 9, 2013 at 10:48am*

**algebra**

Last semester, a certain professor gave 11 As out of 226 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.)
*Saturday, March 9, 2013 at 12:52am*

**5th grade math (word problems)**

I'm not sure how to solve the following problem. I don't think i have enough information. Ali deposited $120 in her savings account. This represents 75% of the money she received for her birthday. She pent the rest of her money on a lego toy. How much did the lego cost...
*Thursday, March 7, 2013 at 6:36pm*

**math**

suppose you won a contest at the start of 5th grade that deposited $3000 in an account that pays 5% annual interest compounded continuously. how much will you have in the account when you enter high school 4 years later? round to nearest dollar how much will be in the account ...
*Thursday, March 7, 2013 at 6:30pm*

**4th grade Algebra**

Evaluate the expression 15 - n when n= 9 I am not sure but is it 6?
*Thursday, March 7, 2013 at 4:02pm*

**math**

what is 31/3 simplified by idk(im in 5th grade)
*Wednesday, March 6, 2013 at 10:35pm*

**4th grade Algebra**

What is another way to write the expression 44n? What is another way to write the expression 44 divided by n?
*Wednesday, March 6, 2013 at 4:48pm*

**Math 6th grade**

The base of the skateboard ramp has an area of 2.3 m square meters the height of the ramp is 1.2 m find the volume of the rectangular prism?Please help!
*Tuesday, March 5, 2013 at 3:33pm*

**Pre-Algebra**

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?
*Tuesday, March 5, 2013 at 8:51am*

**Reading**

What is a 2nd grade pronoun definition
*Monday, March 4, 2013 at 8:59pm*

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