Friday

March 27, 2015

March 27, 2015

Post a New Question | Current Questions

**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*

**Physics**

1) On the construction site an electric crane is used to lift materials to the 10th floor. A 180 kW motor requires 2.0 minutes to lift a 10500 kg load if bricks 218 m. How efficient is the crane? 2. Burning 1.0 kg of coal releases 33 MJ of energy. This energy is converted into...
*Wednesday, December 31, 2014 at 4:08pm*

**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*

**english (3rd grade)**

State whether the infinitive in each sentence function as a noun, adjective or adverb. 1.The retirees want to spend summer far from the city. 2.Tricia plans to take a trip to Baler. 3.To see the underground river is Marissa's wish. 4.Lara prefers to visit her mother in ...
*Sunday, December 28, 2014 at 7:32am*

**6th grade math**

S 4 cups of cereal. The box states that one serving of cereal is equal ti 4/5 cup. How many servings did Sandra eat? Please explain and show work!
*Friday, December 26, 2014 at 1:22pm*

**6th grade Math**

What two expressions could be used to represent the cost of a speeding ticket on (1) streets and highways and (2) in construction and school zones?
*Monday, December 22, 2014 at 4:31pm*

**Grade 9th**

If 6.5g of zinc reacts with 5.0g of HCL,according to the reaction.Zn + 2HCL:zncl2+h2 Which substance is the limiting reaction? How many grams of the reactant remains unreactant? How many grams of hydrogen would be produce?
*Monday, December 22, 2014 at 3:12pm*

**Technology - grade 9**

Can someone tell me a brief summary on how to make an L.E.D light up when connected with only wires, nutes and bolts, battery and a paperclip.
*Thursday, December 18, 2014 at 7:36pm*

***repost* - Grade 11 math**

Word problem: Wes saw fireworks at 28 degrees; Abby (who was standing 20 m away from him) saw the same fireworks at a 40 degree angle. Where was Abby standing? (The answer is 61.8m, but I don't know how to figure it out or sketch the triangle).
*Wednesday, December 17, 2014 at 10:50pm*

**physics**

9th grade physics sketch a picture of the initial total velocity for the projectile when the angle is at 0 degrees, 30 degrees and 60 degrees. Resolve each into vertical and horizontal components. No velocity given
*Wednesday, December 17, 2014 at 10:09pm*

**Sixth Grade Math**

1. Write a phrase in words for each algebraic expression. A. "t - 29" Answer:29 minus t B. "a take away 16" Answer:16-a Write an algebraic expression with two variables and one constant. Answer: 150 + xy Did I answer the questions correctly?
*Wednesday, December 17, 2014 at 10:04pm*

**6th grade math**

what is the reason why we have an order of operations? Explain and provide an example.
*Wednesday, December 17, 2014 at 7:21pm*

**7th grade math**

Can you check these problems? 1. 4x^2 + 3x - 4x +5 = 4x^2 - x + 5 2. m - n + m - n - n = 2m - 3n 3. (7x + 5 - 3y) - (-3x - 5 +4y) = 7x + 3x -3y + 4y + 0 = 10x - y = 0 4. m/8 - 9 = 5 m/8 = 5 + 9 m = 14/8 m = 7/4 = 1 3/4
*Wednesday, December 17, 2014 at 7:38am*

**5th grade math**

rachel wants to reduce the size of her photo. Which factor listed below would scale down the size of her picture the most? A. 5/8 b. 11/16 c. 3/4 d. 8/5 trying to help my son with his math …have no idea about this.. could someone explain it to me?
*Tuesday, December 16, 2014 at 7:09pm*

**6th grade Math**

Define a variable. Then write each phrase as an algebraic expression. 1.Three more pancakes than his brother ate. explain why is this the answer
*Tuesday, December 16, 2014 at 6:14pm*

**MATH 4TH GRADE**

Teacher has 27 students. She asks the students to form as many groups of 4 as possible. How many students will not be in a group?
*Monday, December 15, 2014 at 7:14pm*

**sixth grade math**

what are the prime factorization of 88? I need help!
*Sunday, December 14, 2014 at 7:56pm*

**Sixth Grade Math**

Three different rectangles have an are of 28 square units. What are the possible whole-number dimensions of the rectangles? Can someone please help me how to solve this problem?
*Sunday, December 14, 2014 at 3:08pm*

**Sixth Grade Math**

Complete the following statement. As the value of n in the expression (1/4)^n increases, the value of the expression is? I need help with this question.
*Sunday, December 14, 2014 at 1:33pm*

**Sixth Grade Math**

To find the surface area of a box, add the areas of the faces: 2(lw) + 2(lh) +2(wh). What is the surface area of the box below? H=8m W=5m L =11m My answer is 366m.
*Sunday, December 14, 2014 at 1:30pm*

**grade 10 physics**

john is walking at such speed so that his kinetic energy is 20 J, what is his speed? It started to rain John runs at a rate of 4.2 m/s find the change in KE.
*Saturday, December 13, 2014 at 10:13am*

**Physics grade 10**

john is walking at such speed so that his kinetic energy is 20 J, what is his speed? It started to rain John runs at a rate of 4.2 m/s find the change in KE.
*Saturday, December 13, 2014 at 10:08am*

**Grade 9 Science**

why does a planet's orbital radius represents that planet's average distance from the sun and not its exact distance?
*Friday, December 12, 2014 at 9:50pm*

**Algebra 1 Ohio 8th grade standards**

Got a problem here. Can someone explain how to write an equation in slope intercept form for the line that passes through the point (4,2) and is perpendicular to the graph y=1/2x+1.
*Thursday, December 11, 2014 at 7:26pm*

**3rd grade math**

Anna uses 1 eraser for every 2 packs of pencils she uses. If she uses 10 packs of pencils in a year, how many erasers will she use?
*Thursday, December 11, 2014 at 7:22pm*

**7th grade math**

Anna walked 8 miles in 3 hours. Juan walked 14 miles in 5 hours. Are these rates in proportion? 8/3 divided 3/3 = 2.66/1= 2.66 14/5 divided 5/5= 2.80/1= 2.80
*Thursday, December 11, 2014 at 6:14pm*

**grade 10**

guys I don't know what career i can do coz I chose math literary - business studies-geography- tourism so if you can help mi plz guyz
*Thursday, December 11, 2014 at 6:08pm*

**Science Help**

Drew is walking back up the best hill in the neighborhood 24* grade. He's pulling on the empty 2.1kg sled with a force of 18N at an angle of 55* with the hill. He's walking with a constant velocity, what is the coefficient of friction?
*Thursday, December 11, 2014 at 10:32am*

**6TH GRADE MATH**

Create a number line model that represents the equation below. -5 x -2 = 10 Can some help me please?
*Thursday, December 11, 2014 at 1:18am*

**Math 6th grade**

At lunch 3 1/4 small pizzas were equally devided into 4 people one person eats 1/4 of what he was given how much of a whole pizza did that person eat
*Wednesday, December 10, 2014 at 11:04pm*

**Sixth Grade Math**

Lian's dog is 456 millimeters tall. How many centimeters tall is Lian's dog? Is 4.56 centimeters the correct answer?
*Wednesday, December 10, 2014 at 9:39pm*

**Estimating sums and differnces of fractions**

Hello! My 10 year old daughter is having trouble understanding these preparation questions from her math teacher. I know the answer but I don't know how to explain it to her.. I'm sorry if that doesn't make any sense. When I was in 5th grade they taught us ...
*Wednesday, December 10, 2014 at 8:18pm*

**4th grade math**

can you convert 154 minutes to total hours in a week? I don't know how to convert
*Tuesday, December 9, 2014 at 8:46pm*

**math**

alan, gil, and deb's point in a video game was in the ratio 2:3:4.deb scored 114400 points. how many points did gill score? how many points did they score in all PLEASE HELP but can you make your answer so that I can understand I am in 6th grade but I am not the that smart...
*Tuesday, December 9, 2014 at 6:03pm*

**Health 4th grade**

When choosing a snack it is important to select a food that contains a large amount of these essential nutrients in comparison to the caloric value of the food. A.vitamins/nutrients B.vitamins/minerals C.vitamins/proteins D.vitamins/vegetables My answer:A
*Tuesday, December 9, 2014 at 1:08pm*

**math(5th grade)**

Gino wants to travel from home to school. Find how many routes are possible if he does not travel in a northerly direction.
*Tuesday, December 9, 2014 at 2:33am*

**Health 4th grade**

It is important to choose simple carbohydrates for breakfast to get you started for your day. True or False My answer: True
*Monday, December 8, 2014 at 6:03pm*

**Math Help**

1.Of the 80 eith-graders, 32 are going on the class retreat. What percent of the eith grade going on the retreat? A. 25% B. 55%*** C. 40% D. 32% 2.What is the sale price for a pair of shows that was originally prices at $54.99 and now is 20% off? A. $38.49 B. $41.24 C. $43.99...
*Monday, December 8, 2014 at 6:00pm*

** S.S 6th grade american revolution**

As a result of the first Continental Congress.. A) Colonists agreed to obey most of Britain's rule B) the declaration of right was created. C) king George agreed to go along with most of the colonist demand I think it letter b
*Thursday, December 4, 2014 at 3:58pm*

**S.S 6th grade american revolution**

Patrick Henry said, "I am not Virginian, i am an american" in order to ... A.persuade colonists to join forces B.express his anger at the south C.ask colonists to abolish slavery I think it C.
*Thursday, December 4, 2014 at 3:32pm*

**6th grade math**

the sum of twelve divided by twice a number
*Thursday, December 4, 2014 at 1:58pm*

**5th grade math **

how do i round and divide whith decimals?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????
*Thursday, December 4, 2014 at 10:03am*

**5th grade math**

there is a gameboard and the arrow has landed on seven.what is the probability of spinning a number larger than 6 on the spinner?
*Thursday, December 4, 2014 at 10:00am*

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