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February 28, 2015

February 28, 2015

Post a New Question | Current Questions

**math**

At which grade level is it most appropriate for children to group by more than one attribute?
*Sunday, October 19, 2014 at 6:14pm*

**business studies, tourism, history, mathematical literacy**

I'm in grade 10 and I still don't know what career I full under I'm stressed I need help asap ...time is ticking! help please. what career can I choose?
*Sunday, October 19, 2014 at 2:06am*

**6th grade**

Pet Parade: Mr. James has 14 cats, dogs and guinea pigs. What are all the combinations he could have?
*Friday, October 17, 2014 at 3:05pm*

**Grade 12 **

a 4.0kg block is attached to a vertical rod by two strings.when the system rotates about the axis of the the rod,the strings extend.What is the tension in the lower cord if tension on upper cord is 60N ?
*Friday, October 17, 2014 at 12:20am*

**Chemist - Grade 9 - Urgent.**

Predict the physical properties and relative reactivity of Ba and Sr Cs and Br ( elements from periodic table )
*Thursday, October 16, 2014 at 9:57pm*

**Grade 9 chemsitry**

Predict the physical properties and relative reactivity of Ba and Sr Cs and Br ( elements from periodic table )
*Thursday, October 16, 2014 at 8:09pm*

**2nd grade math**

It is greater than 43 and less than 52. If you add the digits, the sum is 8. Write the number word
*Thursday, October 16, 2014 at 4:07pm*

**4th grade math **

mrs jacksin bought 6 gallons of juice for a party. each gallon has 16 cups. if 3 cups of juice were left over, how many cups did people drink at the party? Please help
*Wednesday, October 15, 2014 at 11:28pm*

**7th grade LA**

Can you check the following? 1. I didn't know what time it was so I was very late to class indep = I didn't know what time it was indep = I was very late to class Ans: compound 2. I'll help you if you help me. indep = I'll help you dep = if you help me Ans: ...
*Wednesday, October 15, 2014 at 10:38pm*

**8th grade Math help**

PLEASE HELP!!! Anita hikes 7 miles due east and then 3 miles due north. Rounded to the nearest mile, what is the shortest distance from the starting point to the ending point? A. 4 B. 6 C. 8 D. 10 I think it's B. am i right?
*Wednesday, October 15, 2014 at 5:49pm*

**6th grade math**

a diver's elevation is -30 feet relative to sea level. she dives down 12 feet. what is her elevation after the dive? a. 12 feet b. 18 feet c. -30 feet d. -42 feet
*Wednesday, October 15, 2014 at 12:03am*

**Grade 9 Chemistry**

which is more reactive k or ca? ( from periodic table.) when poured in water?
*Tuesday, October 14, 2014 at 6:56pm*

**3 grade math**

How can I find the area of an angle?" How do you respond?
*Tuesday, October 14, 2014 at 9:54am*

**3rd grade math**

Where did i find word problems specially for number rounding, I also need the methods and answers, because teacher marked compleatly wrong, for what i taught to kid. Can any body help please
*Sunday, October 12, 2014 at 8:58pm*

**1st grade**

Which of the following is a compound word? A. Together B. Sometime C. Yesterday D. None of the above
*Thursday, October 9, 2014 at 8:18pm*

**1st grade **

This is for my cousin Kara planted seeds in her garden.that summer, many tomatoes grew. cause: Effect:
*Thursday, October 9, 2014 at 7:55pm*

**8th grade reading**

I was wondering if there was a word like "incident" but with less of a negative connotation.
*Thursday, October 9, 2014 at 1:00pm*

**3rd grade math**

What strategy do you use if you draw an array of 5 columns with 7 rows 4 rows are shaded. The other 3 rows are not shaded.How do you find the answer to 35 ÷ 5?
*Thursday, October 9, 2014 at 3:15am*

**statistics**

On this semesters final exam, john scored 72 on his calculus exam, (class distribution (u=65, \?=3.57)\) ) and 53 on his statistics exam (class distribution :u=49, ?=2.04. Which exam should he get the better grade. z1=72-65/3.57=1.960 Z2=53-49/3.57=1.120
*Wednesday, October 8, 2014 at 8:03pm*

**Math**

There are 54 graders who play sports. Twenty-seven play baseball. The rest play soccer. Second grade has 37 soccer players. How many students play soccer?
*Wednesday, October 8, 2014 at 6:46pm*

**7th grade math**

Not really sure what to do for this problem. this was how it was worded on worksheet. Larue scored 10 points less than 3 times the number of points that Ross scored. Larue scored 11 points. How many points did Ross score?
*Tuesday, October 7, 2014 at 9:52pm*

**7th grade math word problems**

While scuba diving Quentin descended 2 1/3 feet each second for 30 seconds. If Quentin ended up at a depth of -234 feet before he began his descent, what was his original depth? Do I multiply 2 1/3ft by 30 seconds?
*Tuesday, October 7, 2014 at 8:24pm*

**Grammar**

What is the correct pronoun for each sentence? 1. The first girl chosen was (she,her). 2. He treasure hunters, (he and her, he and she), were interviewed by reporters. 3. Mike and (she,her) are leaving tomorrow. 4. Lebron and (he, him) have been inseparable since third grade. ...
*Tuesday, October 7, 2014 at 1:13am*

**7th grade math**

Can you check me answer? Mrs. Acosta's car can travel an average of 24miles on each gallon of gasoline. Write and solve an equaltion to find how many gallons of gasoline she will need for a trip of 348 miles. Ans: 348 = 24g 348/24 = g 14.5 = g. She will need 14.5 gallons ...
*Monday, October 6, 2014 at 8:13am*

**9th grade algebra**

An Electrician Charges $120 After 2 Hours Of Work And $190 After 4 Hours Of Work. Write A Linear Model That Represents The Total Cost.
*Sunday, October 5, 2014 at 8:31pm*

**math evaluation **

So how am I suppose to Evaluate the expression and put it in simplest form? It's 7th grade math. The question I need help on is: -8/3 + 1/4. If u comment and show me how u got an anwser THANKS!!!!!
*Saturday, October 4, 2014 at 5:00pm*

**MATH - 2ND GRADE**

Sonya has 140 beads. How many bags of 10 beads does she need so that she will have 200 beads in all?
*Friday, October 3, 2014 at 8:14pm*

**2ND GRADE MATH**

A store sells 2 boxes of 100 pencils and some single pencils. Choose all the numbers that show how many pencils the store could sell: 1. 219, 2. 206, 3. 120, 4. 182
*Friday, October 3, 2014 at 7:46pm*

**5th grade math**

What percent more than 2 is 16/5? Help me please
*Friday, October 3, 2014 at 7:40pm*

**History, Urgent**

Settlements in America were not sponsored by: London Company Raleigh De Soto Dutch West India Company Its for a friend, 8th grade history
*Friday, October 3, 2014 at 10:24am*

**Mathematics C 8th grade**

Two cars traveled equal distances in different amounts of time. Car A traveled the distance in 2.4 h, and Car B traveled the distance in 4 h. Car A traveled 22 mph faster than Car B. How fast did Car A travel? _______MPH
*Friday, October 3, 2014 at 8:25am*

**4th grade math**

explain what do you need to do to extend number pattern?
*Thursday, October 2, 2014 at 9:50pm*

**Find the pattern**

Our trip lasted for 12 days we arrived Sunday July 1 and left on Thursday July 12th where we stayed everyday something went wrong the electricity went out the water was shut off sliding patio wouldn't close the gas oven didn't work, and it rained. Out of the 12 days it...
*Wednesday, October 1, 2014 at 12:09am*

**7th grade math**

find the sum 7/20 + (-4.8) + (-4/5) +4.9 im cluless
*Tuesday, September 30, 2014 at 8:08pm*

**8th grade math**

At 2pm the temperature is 22 degrees, by 4am it is negative 7 degrees. We think the answer in the change of temperature is 29 degrees am I right?
*Tuesday, September 30, 2014 at 7:44pm*

**8th grade Math**

At 2pm the temperature is 22 degrees, by 4am it is negative 7 degrees. We think the answer in the change of temperature is 22 degrees am I right?
*Tuesday, September 30, 2014 at 6:51pm*

**Math**

Explain how to find the greatest common factor of three numbers. Grade 6 GO MATH BOOK
*Monday, September 29, 2014 at 7:46pm*

**7th grade math**

Classify properties of operations. 1. (-4-3n) * -8 Ans: distributive 2. (6+4)+8=6+(4+8) Ans: associative 3. (1-7n) * 5 Ans: distributive
*Monday, September 29, 2014 at 7:40pm*

**math**

Write 4 names for 8? This is 2nd grade homework.
*Sunday, September 28, 2014 at 10:41pm*

**Trigonometry**

A hill in the Tour de France bike race has a grade of 8%. To the nearest degree, what is the angle that this hill makes with the horizontal ground? Round to the nearest tenth of a degree.
*Friday, September 26, 2014 at 4:46pm*

**Science**

I have two questions for 7th grade Science. I've been sitting here for a while, and I am behind in school work. Please Help. _____ is the practical use of scientific knowledge to solve everyday problems and improve lives ____ are used to make complicated concepts and ...
*Friday, September 26, 2014 at 2:30pm*

**6TH GRADE**

Describe a real-world situation that is modeled by multiplying two fractions or mixed numbers. Can someone give me an example?
*Wednesday, September 24, 2014 at 11:19pm*

**sixth grade math**

3 3/5 * 5/6 = 90/45 Do I have correct answer?
*Wednesday, September 24, 2014 at 10:29pm*

**8th Grade US History**

How is manifest destiny important to our past and future? How is it important? I dont really get what manifest destiny is... all we did in class is read O'Sullivans document called Manifest Destiny
*Wednesday, September 24, 2014 at 6:38am*

**algebra**

to pass a course with an A grade, a student ,must have an average of 90 or higher. A students grades on three tests are 93,92 and 83. What is the score the student must get on the nest test to get an A average?
*Tuesday, September 23, 2014 at 11:21pm*

**2nd grade math**

A number has more ones than tens. the value of the tens digit is 50. the ones digit in the number is less than 7. what are the possible numbers
*Tuesday, September 23, 2014 at 5:58pm*

**statistics**

The mean grade in this class last semester was 78.3, and the variance was 34.6 . The distribution of grades was unimodal and symmetrical.. determine how many students are likely to fail the class (<60), and how many students are likely to get a “A” (>90), if ...
*Tuesday, September 23, 2014 at 11:09am*

**5th grade Math**

A recipe call for the following ingredients: 3c flour 1/2t salt 3/4c sugar 4c fruit 2T butter To make 2/3 of the recipe, how much of each ingredient should you use. Question, should I multiply of divide by 2/3?
*Saturday, September 20, 2014 at 8:04pm*

**English**

1. Class 2 in the second year won first place. 2. Class 2 in the second grade won first place. 3. Class 2-2 in the second year won first place. 4. Class 2-2 in the second grade won first place. (Are they all grammatical and teh same in meaning?)
*Thursday, September 18, 2014 at 8:48pm*

**math 4th grade**

Find two numbers the exact answer is between 3x567
*Thursday, September 18, 2014 at 3:44pm*

**math grade 4**

James has 12 seashells mounted in a row. The 6 shells in the center of the row are nautilus shells. Is there the same number of shells on either side of the nautilus shells?
*Thursday, September 18, 2014 at 3:17pm*

**sixth grade math**

Multiply. Write each product in simplest form. 1. 2 3/8 * 1 3/5 = 3 4/5 2. 1 5/6 * 2/3 = 11/10 3. 7/8 * 3 1/3 = 35/27 Do I have the correct answers? If not can someone show how to solve them?
*Wednesday, September 17, 2014 at 11:37pm*

**sixth grade math**

Multiply. Write each product in simplest form. 1. 2 3/8 * 1 3/5 = 3 4/5 2. 1 1/5 * 3/5 = 18/25 3. 1 5/6 * 2/3 = 11/10 Do I have the correct answers? If not can someone show me how to solve them?
*Wednesday, September 17, 2014 at 10:49pm*

**math 6th grade**

Maritza is baking cookies to bring to school that requires 3 eggs and 2 cups of sugar. To have enough for everyone she bought 12 eggs will 6 cups of sugar be enough? I tried multiplying 3 x 4 = 12 so then multiplied 2 x 4 which is 8 so there would not be enough but we are ...
*Wednesday, September 17, 2014 at 8:26pm*

**4th grade math**

GCM OF 12 and 20. Please explain
*Wednesday, September 17, 2014 at 6:51pm*

**math**

How to write math paragraph for k+8=5 and, w+12=5 8th grade
*Tuesday, September 16, 2014 at 1:01am*

**Grade 11 Math functions**

y=x^2-5x+6 Domain= {xeR or 2<x<3 } Range={ } What is the range?? please help! thank you.
*Monday, September 15, 2014 at 9:16pm*

**5th grade math**

the park family is staying at a hotel near an amusement park for 3 nights. the hotel costs $129 per night. how much will their 3-night stay in the hotel cost.
*Monday, September 15, 2014 at 7:03pm*

**5th grade math**

vidal bought 2 pizzas and cut each into 8 slices. he and his friends ate 10 slices. write an expression to match the words.
*Monday, September 15, 2014 at 7:01pm*

**Social Studies**

I am doing the 5th grade final lesson for Unit 1 on Social Studies, and i would like to know if there are any main points i should focus on in the printing press,Internet, or computer.
*Monday, September 15, 2014 at 1:39pm*

**8th grade math **

what is 5² / 5⁵ = ? other options are: a) 5¹ b) 5³ c) 5⁴ d) 5² **** Is 5² right?
*Monday, September 15, 2014 at 12:15pm*

**programming**

write a programe which calculate the number of five subjects also show the average and grade of the desire total.
*Monday, September 15, 2014 at 12:14pm*

**Grade 9 Science**

In each situation s below , it seems that a new substance may have been produced. Explain why each situation represents a physical change. a) A tailor makes a new suit out of a piece of fabric. b) A chef makes a salad out of lettuce, tomatoes and cucumbers. I really need ...
*Sunday, September 14, 2014 at 6:32pm*

**8th grade homework**

Please help me I beg of you! My math teacher is awful and I have no idea how to do my pretest and she's picky about showing my work so it would be helpful if you could explain :) 1.six is subtracted from a number. The result is devided by four. This result is added to 10 ...
*Sunday, September 14, 2014 at 12:20pm*

**Physics - Grade 10**

Grant stands 3 meters from the check out at the grocery store holding a 20N bag of potatoes for 10 minutes. How much work does he perform?
*Sunday, September 14, 2014 at 5:47am*

**History/Song/Play trying to remember**

HI, so when I was in the fifth grade I was in a play and I had to sing this song, but all i can remember of it is this: in 1776 you see, we vowed to have our liberty for parlaiment carried a stick.. a sti-i-ck Does anyone know this?
*Saturday, September 13, 2014 at 3:58pm*

**Grade 9 Math**

how would you expand: -(w - 30)^2 + 80w + 600
*Friday, September 12, 2014 at 4:26am*

**Algebra Grade 10 **

A man wants to create a Japanese garden with a parabolic footbridge to cross the creek in front of his garden. The bridge needs to span 5 meters and - according to the design he has selected - is 2 meters tall at the apex. Find a quadratic model that describes the shape of the...
*Friday, September 12, 2014 at 4:24am*

**5th grade math**

A small company packs 12 jars of jlly into each of 110 boxes to bring to the farmers market. how many jars of jelly does the company pack in all
*Thursday, September 11, 2014 at 8:05pm*

**7th grade math**

A large carton of juice holds 12 cups. How many 3/4 cup servings does the carton hold? I'm not sure how to solve it at all.
*Thursday, September 11, 2014 at 5:25pm*

**7th grade math**

Carrie has a 10ft long plank of wood. She want's to cut three pieces that are each 2 2/3 feet long from the plank. how long will the plank be after she cuts off the three pieces?
*Thursday, September 11, 2014 at 5:22pm*

**Grade 10 Maths**

An area for planting crops is given by: A = 800 + 20x - 1/2x^2 Find the value of x which the area is a maximum
*Thursday, September 11, 2014 at 5:23am*

**8th Grade math**

a student says there can only be 360 different rays emanating from a point since there are only 360 degrees in a circle. Is this true? Why or Why not?
*Thursday, September 11, 2014 at 12:14am*

**8th grade math **

Maggie claims that to make the measure of an angle greater, you just extend the rays. How do you respond?
*Thursday, September 11, 2014 at 12:08am*

**8th grade math**

Henry claims that a line segment has a finite number of points because it has two endpoints. How do you respond?
*Thursday, September 11, 2014 at 12:01am*

**7th grade math**

how do I solve for this: If 5/6 is divided by a certain fraction, a/b, the product is 1/4. What is the fraction a/b? Ans: (5/6)/(a/b) = 1/4 = do i need to divide both sides by 1/4 to get (5/6)/(1/4) = (5/6)x(4/1) = 20/6 = need to somehow get a/b by itself not sure what to do...
*Tuesday, September 9, 2014 at 9:56pm*

**8th grade math**

mr.nelson sold 147 bags of popcorn and 216 of water in 3 days. at this rate how many more bottles of water than bags of popcorn will mr. nelson sell in 5 days?
*Tuesday, September 9, 2014 at 8:36pm*

**8th grade math**

juliet bought a pair of pants that normally cost $40 for a sale price of $24. what was the percent discount on the pants?
*Tuesday, September 9, 2014 at 7:30pm*

**8th grade math**

a survey said that 60 people voted against new environmental restrictions that were on the ballot. that constituted 30 percent of those who voted. how many people voted in all?
*Tuesday, September 9, 2014 at 7:13pm*

**8th grade math**

in a catalog a jacket was marked down from $75 to $48. what was the percent of discount on the jackets original price?
*Tuesday, September 9, 2014 at 6:39pm*

**5th grade math**

explain how did you decide on the number of zeros in the product.
*Tuesday, September 9, 2014 at 5:56pm*

**7th grade math**

132 1/6 - 99 5/6 evaluate the expression
*Tuesday, September 9, 2014 at 5:23pm*

**Hard math 7th grade**

What is the value of 42 – 2(3 • 5 + 1)? (1 point) 8 1 –16 –21 4. What symbol is needed between –2 and |–3| to make a true statement? (1 point) < > = 5. What is the value of (32 + 1) – 14 ÷ 2? (1 point) 2 3 –3 –2
*Tuesday, September 9, 2014 at 3:43pm*

**Math 4th grade**

9,924 9 is the underline digit round each digit... I think it's 10,000
*Monday, September 8, 2014 at 6:15pm*

**4th grade math**

128,955 . Round each number to the place of the underllined digit. 8 is the underlined digit
*Monday, September 8, 2014 at 6:08pm*

**8th grade math**

How do you express 3.16 x 10 to the 3rd power in standard decimal notation form.
*Sunday, September 7, 2014 at 9:30pm*

**6th grade math **

Integers from greatest to least... ( 6,17,-20,15,-19,26) can some help me ??
*Friday, September 5, 2014 at 10:20pm*

**7th grade math**

identify a value of x for which sum of 3+x is positive
*Wednesday, September 3, 2014 at 11:52pm*

**7th grade math**

when x is nonzero integer the sum 0f 3+x is sometimes negative and sometimes positive. Identify a value of x for which the sum of 3+x is negative.
*Wednesday, September 3, 2014 at 9:10pm*

**8th grade math**

a square photo display board is made up of 60 rows of 60 photos each. the area of each square is 4 in. how long is each side of the display board?
*Wednesday, September 3, 2014 at 7:21pm*

**4th grade grammar**

Many people show their feelings with presents? What is the simple subject of the sentence? Presents?
*Wednesday, September 3, 2014 at 7:16pm*

**4th grade grammar**

The oldest known Valentine'sDay card dates from 1415? What is the simple subject?? I think it's card??
*Wednesday, September 3, 2014 at 7:09pm*

**SIXTH GRADE MATH**

Sam's credit card balance is less than -$36. Does Sam owe more or less than $36? The answer he owe more than $36.
*Tuesday, September 2, 2014 at 11:16pm*

**6th Grade Math**

Can someone please show me how to work this problem below? Jacob earned $80 babysitting and deposited the money into his savings account. The next week he sepnt $85 on video games. Use the integers to describe the weekly changes in Jacob's saving account balance.
*Tuesday, September 2, 2014 at 9:26pm*

**Math**

Sarah's scores in her tests are as follows: 89, 94, 90, 90. What will be her grade in her next test if she wants to have an average of 92?
*Tuesday, September 2, 2014 at 8:17am*

**Science**

What do you learn in 7th grade science
*Sunday, August 31, 2014 at 12:06am*

**algebra**

solve the equation or formula for the indicated variable R=ts^2+3 a)s=under radical R-3/t (not under radical b)s=everything under radical R-3/t c)s=R (under radical)-3/t d)s=everything under radical R/t-3 Thanks again I feel really stupid not being able to grade my teens paper
*Thursday, August 28, 2014 at 6:02pm*

**Math**

It seems that even though i am older than a sibling by about three years the state keeps changing curriculum s for the grade and now i think i know the answer but I'm not sure of it. In the decimal 99.999, which is 1/10 the value of the 9 in the tenths place? Does that ...
*Wednesday, August 27, 2014 at 7:50pm*

**chemistry**

A solution of HClO4 was standardized by dissolving 0.4125 g of primary standard grade HgO ina solution of KBR: HgO (s) + 4Br- + H2O → HgBr4 + 2OH- The liberated OH- consumed 46.51 mL of the acid. calculate the molarity of the HClO4
*Wednesday, August 27, 2014 at 2:48pm*

**math (4th grade)**

june made a DESIGN with 6 equal tiles.One tile is yellow, 2 tiles are blue,and 3 tiles are purple.What fraction of the tiles are yellow or purple?
*Tuesday, August 26, 2014 at 10:28pm*

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