Friday

March 27, 2015

March 27, 2015

Post a New Question | Current Questions

**math 5th grade **

if you have a drawer with 10 black socks and 8 white socks, what is the probability that you would reach in and choose a white sock without looking?
*Thursday, March 5, 2015 at 6:26pm*

**using skills**

At which grade level is it most appropriate for children to group by more than one attribute? A. Four years old B. Kindergarten C. Preschool D. Primary my answer is d.
*Thursday, March 5, 2015 at 5:46pm*

**Math 6th grade**

Explain what a neutral field is.
*Wednesday, March 4, 2015 at 9:03pm*

**6th grade math**

Use the scale 1/4 = 9 ft to represent a 27 ft square
*Wednesday, March 4, 2015 at 8:50pm*

**Science 8th Grade**

Items of clothing rub against each other when they are in a clothes dryer. This can sometimes cause a person to feel a slight shock when he or she removes the clothes from the dryer. This is due to A. The dryer not being grounded B. Static Electricity **** C. Current caused by...
*Wednesday, March 4, 2015 at 2:44pm*

**7th grade science**

how much work is done on an object with 25 kg on earth if it moves 13m? i really need help
*Tuesday, March 3, 2015 at 11:17pm*

**Emerson**

I'm helping my son he is in 4th grade . His hw it's hard and this is the problem : find two mixed numbers. So that the sum is 7 2/8 and the difference 2 4/8.
*Tuesday, March 3, 2015 at 9:33pm*

**Science 8th Grade**

1. How Will resistance change when the voltage increases in an electrical circuit if the current remains constant A. It will decrease **** B. It will stay the same C. It will increase D. It will decrease, then increase
*Tuesday, March 3, 2015 at 6:17pm*

**7th Grade Math.**

I have been trying to work this out but just cant. Find the function rule. X -2 -1 0 1 2 Y 9 4 -1 -6 -11 Thanks, ~JH
*Tuesday, March 3, 2015 at 4:11pm*

**6TH GRADE MATH**

The value of the dependent variable in a function is always __________ the value of the independent variable. 1.GREATER THAN 2.DEPENDENT ON 3.LESS THAN 4.EQUAL TO
*Tuesday, March 3, 2015 at 10:32am*

**Statistics **

1200 high school freshman were randomly selected for a national survey. Among survey participants, the mean grade-point average was 2.8, and standard deviation was 0.6. What is the margin of error, assuming a 95% confidence level?
*Friday, February 27, 2015 at 1:18pm*

**7th grade math**

Can you help with geometry? 1. Sally constructs a triangle with one side 6 inches long and another side 8 inches long. What is the 3rd side? (haven't learned Pythagorean theorem) Ans: 6 + x > 8 x > 2 6 + 8 > x 14 > x 8 + x > 6 x > -2 so, x must be > 2...
*Friday, February 27, 2015 at 7:31am*

**3rd grade math**

A parking lot near the sports field holds a total of 52 vehicles. There are 42 cars parked there now. Half of these cars are red, 10 are blue, and the rest are silver. What fraction of the cars are silver?
*Friday, February 27, 2015 at 12:07am*

**3rd grade math**

Two thirds of the musicians in a 16-piece band are girls. the 16 musicians include 12 brass players. what fraction of the band plays brass instrument?
*Thursday, February 26, 2015 at 11:31pm*

**6th grade geometry **

If the area of a triangle is64 is the base 16 and the height 32?
*Wednesday, February 25, 2015 at 11:18pm*

**My Grades**

My math grade is an B+ should I do a retake for extra credit? This will consist of extra credit opportunity's in portfolios and test. Thank you very much! -Emolga
*Wednesday, February 25, 2015 at 10:36am*

**5th grade math**

Marcus is building a rectangular box for his kitten to sleep in. He wants the area of the bottom of the box to be 360 square inches and the length of one side to be 1 3/5 the length of the other side. What should the dimensions of the bottom of the bed be?
*Monday, February 23, 2015 at 9:49pm*

**STAT**

A student takes a ten-question true-false quiz, but did not study and randomly guesses each answer. Find the probability that the student passes the quiz with a grade of at least 70% of the questions correct
*Friday, February 20, 2015 at 11:48pm*

**life orientation(grade 12)**

hey um given the same assignment can some one answer me for nunber 1.7plz
*Thursday, February 19, 2015 at 11:03am*

**Math**

Given the following information about a sample, calculate a z score for a test grade of 91. = 87, s = 4.01
*Thursday, February 19, 2015 at 9:25am*

**Math Ms Sue**

Which expression would you use to find the area of a rectangle with a width of 4 inches and a length of 6 inches? 4+6 4x6 8x12 8+12 Ms Sue this is Karen you helped in College English so well I am trying to help my 3rd grade granddaughter with no math book just problems
*Wednesday, February 18, 2015 at 4:21pm*

**3rd grade math**

The lengths of the sides of a garden are 24 ft, 14 ft, and 35 ft. What is the gardens perimeter?
*Wednesday, February 18, 2015 at 4:02pm*

**3rd grade math**

mrs. lens wants to put a ribbon around the edge of a pillow. which tool and unit should she use to measure the perimeter of the pillow? measuring tape or ruler or yard stick?
*Tuesday, February 17, 2015 at 9:34pm*

**algebra**

how many tiles 10cm by 25cm on each side is needed for a bathroom 8m by 10m? I need help on how to solve it... I learned how to do this in 8th grade but I'm now in 10th and I forgot how to do it. I'm preparing for the highschool exit exam and I need to do this problem ...
*Monday, February 16, 2015 at 7:17pm*

**math**

I'm just having trouble trying to see the independent and dependant variables. I have to determine whether the following are functions: The relation between distance and time if someone walks 5km/h. I think distance would be the independent variable because you can go ...
*Monday, February 16, 2015 at 4:53pm*

**Anthropology**

What age grade (age set) do you find in the United States? Are there more than one?
*Thursday, February 12, 2015 at 9:27pm*

**6th grade math**

When solving an inequality, why is it necessary to perform the same operation on each side of the inequality sign?
*Wednesday, February 11, 2015 at 5:49pm*

**math(5th grade)**

sally singleton's batting average is 0.375 and she has been at bat 120 times. How many times has sally hit the ball? pls help
*Wednesday, February 11, 2015 at 1:45am*

**math**

I'm in grade 5 and I need help on an area and perimeter question. The area of a rectangle is 300mm and the length of it is 15 mm. I need to find out the width of this rectangle.
*Tuesday, February 10, 2015 at 7:19pm*

**math**

I'm in grade 5 and I have a area and perimeter question. The area is 300mm2 and the width is 15mm, I need to know what the length is. Thanks for your time.:-)
*Tuesday, February 10, 2015 at 7:05pm*

**math**

the grade of 8 students on a 10-point test were 1,3,5,5,7,8,9,10 comute the mean of these scores
*Monday, February 9, 2015 at 9:32pm*

**Grade 9 French **

I need help I'm trying to find a rap to help me with the present and irregular verbs
*Monday, February 9, 2015 at 8:56pm*

**Math**

Helping 3rd grade granddaughter and I am lost What property does this show? ****=* * * * This is all that is shown
*Monday, February 9, 2015 at 4:20pm*

**Math**

I am lost helping my 3rd grade granddaughter... This is what this problem shows and nothing else What property does this show? ****=* * * *
*Monday, February 9, 2015 at 4:03pm*

**3 rd grade Math**

how are perimeter and area? When building your club house did you have a more difficult time finding the perimeter or area? why?
*Monday, February 9, 2015 at 3:37pm*

**6th grade math **

To qualify for a store discount, Clay's soccer team must spend at least $560 for new jerseys. The team needs 20 jerseys. Write and solve an inequality to represent how much the team should spend on each jersey to qualify for the discount.
*Sunday, February 8, 2015 at 2:32pm*

**4th grade math fraction**

How do I show the work to find the fraction with the greatest value? 7/10, 1/5, 9/10 5/6, 7/12, 7/10
*Sunday, February 8, 2015 at 1:59pm*

**9th Grade Algebra**

If a is not equal to 0, and a =2b=3c, what is the value of a+b in terms of c? Would I make up numbers for the variables?
*Saturday, February 7, 2015 at 6:40pm*

**math**

A student’s final grade in chemistry is determined by the following weights: Quizzes 5% Exam 1 20% Exam 2 20% Lab Reports 15% Research Paper 15% Final Exam 25% The student received the following grades: Lab reports: 75 80 70 75 85 69 90 75 Quizzes: 85 60 70 0 75 80 80 80 ...
*Friday, February 6, 2015 at 4:09pm*

**Grade 8**

The numbers 1 through 9 are put into a hat. What is the probability that all odd numbers will be chosen first if one number at a time is drawn from the hat and not replaced?
*Friday, February 6, 2015 at 9:45am*

**6TH GRADE MATH **

No more than 7 copies of a newspaper are left in the newspaper rack. Which inequality represents this situation? A. N<7 B. N>7 My answer is N<7. Do I have answer correct?
*Thursday, February 5, 2015 at 11:27pm*

**math 4th grade**

Lance wants to find the total length of 3 boards. He uses the expression 3 1/2 + (2+ 4 1/2). How can Lance rewrite the expression using both the Associative and Commutative Properties of Addition?
*Wednesday, February 4, 2015 at 8:57pm*

**7th grade math**

The sum of an integer and the next greater integer is at the most 13. Write an inequality to find the lesser integer and solve for the lesser integer. My answer n+n+1 <_ 13 n<_6
*Wednesday, February 4, 2015 at 7:39pm*

**Math 3rd grade**

I have 14 hundreds, 16 tens and 9 ones. What number am I?
*Wednesday, February 4, 2015 at 6:38pm*

**english**

This is Engish 8th grade: So in my book titled "The Raven" by Edgar Allen Poe, the bird sits on the bust of Athena the goddess but my homework is asking my why Poe choose Athena and not another god or goddess and how does she go with the story... Please help thank you!
*Tuesday, February 3, 2015 at 9:59pm*

**4th grade math**

There are 12 seats in the school auditorium. There are 7 seats in each row. There are 70 people seated, filling up full rows of seats. How many rows are empty?
*Monday, February 2, 2015 at 9:13pm*

**4th grade math**

Ursula bought 9 dozen gauze pads for the health office. The gauze pads were divided equally into 4 boxes. How many gauze pads are in each box?
*Monday, February 2, 2015 at 8:53pm*

**4th grade math fraction**

Ashley bought 4 packages of juice boxes. There are 6 juice boxes in each package. She gave 2 juice boxes to each of 3 friends. How many juice boxes does Ashley have left?
*Monday, February 2, 2015 at 7:53pm*

**5th grade math**

solve 1. 8/11 divided by 4 2. 3/8 divided by 3/10 3. 6 divided by 3/4 4. 1/6 divided by 5/6 5. 2 3/4 divided by 11 6. 3 1/2 divivded by 7/8 7. 1 7/8 divided by 1 1/2 8. 5 divided by 4 1/3
*Monday, February 2, 2015 at 7:44pm*

**4th grade math fraction**

Jasmine has 8 seashells. Three-quarters are clamshells. How many shells are clamshells?
*Monday, February 2, 2015 at 7:36pm*

**Math 5. Grade**

Trying to figure out how to find the answer. A rectangular has a perimeter of 3600m. What is the width if the length is five times the width? How do I do this.
*Monday, February 2, 2015 at 7:10pm*

**4th grade math**

A park guide plans the swan boat rides for 40 people. Each boat can carry 6 people at a time. What is the best way to interpret the remainder of 40/6 in this situation so that everyone gets a ride? How do I show the work?
*Sunday, February 1, 2015 at 9:40pm*

**4th grade math**

There are 112 seats in the school auditorium. There are 7 seats in each row. There are 70 people seated, filling up full rows of seats. How many rows are empty? We added and got 189 then divided by 3. But it doesn't look correct. How do we show the work?
*Sunday, February 1, 2015 at 9:24pm*

**4th grade math**

Jake wants to distribute 543 marbles equally among 7 of his friends. In what place is the first digit of the quotient?
*Sunday, February 1, 2015 at 9:17pm*

**4th grade math**

The school choir has 48 singers with high voices, 53 singers with middle voices, and 39 singers with low voices. the singers stand in 4 equal rows at concerts. How many singers are in each row? How do I show my work for this?
*Sunday, February 1, 2015 at 8:07pm*

**4th grade math**

Amanda and her four sisters divided 1,021 stickers equally. About how many stickers would each girl receive? How do I show my work?
*Sunday, February 1, 2015 at 8:02pm*

**8th grade Science please help**

Why is soda in an unopened bottle a homogenous mixture?
*Sunday, February 1, 2015 at 1:20pm*

**7th grade math **

i am having a hard time understanding the venn diagram can someone explain it to me
*Friday, January 30, 2015 at 11:34am*

**2nd grade math**

Can all 4 sided figures be made from triangle? why?
*Thursday, January 29, 2015 at 6:31pm*

**2nd grade math**

take a shape with 4 sides. draw a line between two vertices that do not share a side. how many shapes does that make? how many sides do they have
*Thursday, January 29, 2015 at 6:05pm*

**Math 6 grade**

If you need to find the percent of a number, explain how you can predict whether the part will be less than, greater than, or equal to the number. HELP PLEASE
*Wednesday, January 28, 2015 at 7:06am*

**math 4th grade**

llene is making smoothies. The recipe calls for1 1/4 cups of strawberries. How many cups of strawberries, written as a fraction greater than one, are used in the recipe?
*Tuesday, January 27, 2015 at 9:23pm*

**Algebra (6th grade)**

I need help on the algebra with pizzazz worksheet page 8 Objective 1-h. Need the answers to letters O-R or just the puns answer straight out please! ^_^
*Tuesday, January 27, 2015 at 4:24pm*

**4th grade math**

A frog made 3 jumps. The first was 12 5/6 inches. The second jump was 8 3/6 inches. The third jump was 15 1/6 inches. What was the total distance the frog jumped?
*Sunday, January 25, 2015 at 11:02pm*

**math 2nd grade**

Write a sentence using words that compares the crayons in the two boxes
*Sunday, January 25, 2015 at 9:33pm*

**math**

my sun in thea 1st grade me no understand to much english i need very much help what is 9+10=??? me having very hard time help asap
*Saturday, January 24, 2015 at 2:39pm*

**6th grade math**

how can i put fractions and decimals in greatest to least or least to greatest?
*Friday, January 23, 2015 at 1:22am*

**math**

how is GCF and LCM different? im in 4th grade and i tried to understand but my mum said shes not sure so please i need help
*Thursday, January 22, 2015 at 5:54pm*

**. 8th grade math **

. Mkay ! So, one molecule of nitrogen reacting w/3 molecules of hydrogen makes 2 of ammonia. How many molecules of nitrogen must react w/42 molecules of hydrogen to make 28,of ammonia?
*Wednesday, January 21, 2015 at 10:54pm*

**maths lit, history, geography, life sciences and L**

Am in grade 10 and those are the subjects i want to choose so can i become a psychologist with those subjects in the future??
*Wednesday, January 21, 2015 at 9:05am*

**Analytic chemistry**

A solution of HClO4 was standardized by dissolving 0.3745 g of primary standard grade HgO in a solution of KBr. The liberated OH- required 37.99 mL of the acid to be neutralized. Find the molarity(M) of HClO4. The given balanced chemical equation is: HgO + 4Br- + H20 ===> ...
*Wednesday, January 21, 2015 at 8:17am*

**Science- urgent-review**

what type of galaxy do astronomers consider to be the oldest? It's urgent because I am studying for a grade 9 exam but I dont know what this is.. please help.
*Tuesday, January 20, 2015 at 6:47pm*

**math**

James needs to bring his grade up to a B (80) in reading. What does he need to get on his next quiz? Quiz 1:77 Quiz 2:81 Quiz 3:74 Quiz 4:?
*Monday, January 19, 2015 at 9:50pm*

**grade 7 math**

Uniform Motion Related Problem Jessie has a 15 km head start on Melvin. How long will it take Melvin to catch Jessie if the latter travels at 70 kph and the former at 100 kph?
*Monday, January 19, 2015 at 11:57am*

**grade 7 math**

Uniform Motion Related Problem Two planes leave an airport at 2 p.m., one flying south at 450 kph, the other flying north at 675 kph. At what time will they be 3 600 apart?
*Monday, January 19, 2015 at 11:54am*

**grade 7 math**

Uniform Motion Related Problem Two cars starting from the same point travel in opposite directions. Car A travels at 80 kph and car B at 110 kph. After how many hours will the cars be 760 km apart?
*Monday, January 19, 2015 at 11:51am*

**grade 7 math**

Uniform Motion Related Problem Two cars, 210 km apart, met each other in 2 hours. If one car travelled at 60 kph, at what rate did the second car travel?
*Monday, January 19, 2015 at 11:48am*

**grade 7 math**

Uniform Motion Related Problem Chester drove his car at 8:00 a.m. at speed of 45 km/hr. At 9:15a.m. Michael followed with his car. What should be Michael's speed so as to be able to overtake Chester at 1:00 p.m.? How far has Chester travelled when Michael overtook him?
*Monday, January 19, 2015 at 11:46am*

**grade 7 math**

Uniform motion Related Problem Five boy scouts biked to Caliraya lake at 5 km/h. their scout master gave them a ride back home in his pickup car, at 20 kph. Find the hiking time if it 6 hors longer than their riding time.
*Monday, January 19, 2015 at 11:38am*

**7th grade math**

-2(3r+4)= -5r-8-r Answer I got r=r Question 2 14+8w=4(8+2w) I have 14=48. No solution
*Monday, January 19, 2015 at 10:30am*

**chemistry grade 11 **

which of the following has lowest vapour pressure ? 1 water 2 bromine 3 ethyl alcohol 4 ether
*Monday, January 19, 2015 at 7:15am*

**Maths lit Business studies Economics History**

im in grade 10 and i want to know what jobs can i do with these subjects
*Sunday, January 18, 2015 at 9:57am*

**7th grade math**

Can you check the following? 10. A store pays $10 for a bracelet, and the markup is 115%. A customer will also pay 5 1/2% sales tax. What will be the total cost of the bracelet to nearest cent? t = 1.15 x 10 t = $11.5 (markup price) t = $10 + 11.5 t = $21.50 (cost of bracelet ...
*Friday, January 16, 2015 at 11:10pm*

**math(5th grade)**

sixteen teams compete in a single elimination basketball tournament (one loss and you're out). How many games must be played to determine a champion?
*Friday, January 16, 2015 at 12:56am*

**5th grade science**

How might the history of the United states be different if the first European settlements had occurred on the west coast instead of the east coast
*Thursday, January 15, 2015 at 9:19pm*

**6TH GRADE MATH **

Write an equation you can use to find the length of the rectangle. area=72 m^2. 8m=length xm=width My equation is 8x=72 Am I correct?
*Thursday, January 15, 2015 at 9:10pm*

**math(5th grade)**

Garrett reads 2.8 pages in 3.5 minutes how much does Garrett read in 31.5 minutes
*Thursday, January 15, 2015 at 12:49am*

**Math 7th grade**

1/15 =3/5m For my answer, I put m= 1/5 Is that correct?
*Wednesday, January 14, 2015 at 5:17pm*

**5th grade math**

Julian wants to put a border around two sides of his rectangular shaped garden. he has a 12 foot piece of lumber that will be cut into 1/3 foot pieces. how many 1/3 foot pieces can Julian cut from the lumber? 12 divided by 1/3
*Tuesday, January 13, 2015 at 8:02pm*

**7th grade math honors**

The total cost for renting a kayak is represented as 25+5.50m. What is the constant in the expression 25+5.50m? Show work.
*Monday, January 12, 2015 at 5:47pm*

**8th Grade Geometry**

given that triangle ABC~ triangle XYZ, angle a=50, angle x=(2x+5y), angle z= (5x+y), and that angle b =(102-x), find angle z.
*Sunday, January 11, 2015 at 1:33pm*

**Chemistry grade 11**

An organic compound is composed of C, H and O. A 0.1005 g sample of this is combusted, producing 0.2829 g CO2 and 0.1159 g of H2O. What is the empirical formula of this compound? If the compound has a molar mass of 14 g/mol. What is the molecular formula?
*Saturday, January 10, 2015 at 6:58pm*

**math(5th grade)**

if an elephant's heart beats 25 time a minute, how many days does it take to beat a million times?
*Friday, January 9, 2015 at 12:38am*

**algebra**

Is there a site or someone who can help me, im not getting the basic algebra...I need someone or a web site that will help me understand the basics of algebra. PLZ HELP Im in 8th grade
*Thursday, January 8, 2015 at 6:44pm*

**sixth grade math**

Write a real-world situation that could be modeled by the equation 24/y=3. Then solve the problem. My answer: There are 24 seats available at the movies. There were total of 3 rows after the seats were divided and more seats on each row. Did I solve this problem correctly?
*Wednesday, January 7, 2015 at 9:40pm*

**8th grade math**

iPhone is designing a smart phone with a square screen. The area of the screen will be 169 cm with an exponent of 2. What is the height of the screen? I think the answer is 13. Am I correct.
*Wednesday, January 7, 2015 at 6:41pm*

**7th grade challenge math**

of 109.6 million house holds, 19,508,800 watched the television show CIS during the week of October 3, 2005. what percent of american households watched CIS this week?
*Tuesday, January 6, 2015 at 7:36pm*

**Math**

Capacity Homework? I was doing my grade 8 math homework on capacity, and I was told to order the capacity of Vase A, B, and C from least to greatest. Vase C is a hourglass based prism, and I don't know the formula for it. Please help?
*Monday, January 5, 2015 at 4:49pm*

**5th grade Math**

Please help, what operation should I use to solve this problem? Jessica bought 10.50 pounds of potatoes. The potatoes are sold in sacks of 20 if the potatoes cost $1.99 per pound. How much money did Jessica spend?
*Wednesday, December 31, 2014 at 7:51am*

**english (3rd grade)**

Please help me to pick out 6 lines from the poem Invictus of William Ernest Henley that used sensory images and identify the sense used for each line.I also need to pick out one line that used onomatopoeia.
*Sunday, December 28, 2014 at 11:59am*

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