Monday

November 30, 2015
Total # Posts: 105

**physics**

A(n) 2153 kg car is coasting along a level road at 34.4 m/s. A constant braking force is applied, such that the car is stopped in a distance of 61.8 m. What is the magnitude of the braking force? Answer in units of N
*November 9, 2015*

**math**

I'm pretty sure it's 3 x 1.93 x .5
*November 3, 2015*

**Math**

Jamal and dorothy wete hiking and had a choice between two trails. One was 5 1/3 miles long, and the other was 1 3/4 times as long. How long was the longer trail?
*October 6, 2015*

**Math**

Two shirts cost $12.50. How much will it cost to buy five of the shirts?
*January 15, 2013*

**statistics**

Hope this helps: Mean 42.625 Standard Error 1.37196635 Median 42 Mode 41 Standard Deviation 5.487865402 Sample Variance 30.11666667 Kurtosis -0.413446348 Skewness 0.110205125 Range 19 Minimum 33 Maximum 52 Sum 682 Count 16 Confidence Level(99.0%) 4.04279092 This is really easy...
*November 21, 2012*

**Chemistry**

Why do acids and bases form ions when they dissociate in water
*October 17, 2012*

**Social Studies**

Whats the office of the judicial system? My other choice was Justice Building. Is that the answer?
*May 7, 2012*

**Social Studies**

Long,narrow parklike area that stretches from the capitol to the Washington Monument. I dont know this one. Traces the history of flight,holds planes used by the Wright Brothers and Charles Lindbergh. Air and Space Museum?
*May 7, 2012*

**Social Studies**

Home of the U.S. Congress? U.S. Capitol? Home of the Treasury offices Department of Treasury?
*May 7, 2012*

**Social Studies**

home of important documents,such as the Constitution,Declaration of Independence,and Bill Of Rights. National Archives?
*May 7, 2012*

**Social Studies**

Can you check my question below this one?
*May 7, 2012*

**Social Studies**

Air and Space Museum,Museum of Natural History,Smithsonian Inst are the only museum choices they give me.
*May 7, 2012*

**Social Studies**

Which museum has a collection of 14 museums? Museum of Natural History?
*May 7, 2012*

**Social Studies**

How about the Justice Building?
*May 7, 2012*

**Social Studies**

Reflecting Pool,Vietnam Veterans Memorial,White House,The Ellipse,Washington Monument,Bureau of Engraving and Printing,Union Station,Smithstonian Inst,Jefferson Memorial
*May 7, 2012*

**Social Studies**

I just searched it up and it says it's U.S. Court but it doesn't give it as an answer choice.
*May 7, 2012*

**Social Studies**

Whats the office of the judicial system? U.S. Court?
*May 7, 2012*

**Social Studies**

Who and when was nylon invented? 1935 by Wallace Carothers?
*May 2, 2012*

**Social Studies**

Who invented virtual reality games?
*May 2, 2012*

**Social Studies**

Who and when was the zipper invented? 1893 by Whitcomb Judson
*May 2, 2012*

**Science**

Who and when was the electric light bulb invented? 1879 by Thomas Edison
*May 2, 2012*

**Math**

Ok,Thanks
*May 1, 2012*

**Math**

Customer Cal is one of Danny's regulars.He ate at the diner on Wednesday.He ordered the daily specialy,macaroni and cheese, for $2.95.He also ordered a milk shake that cost $1.25 and a piece of pie that cost $.95. Cal left the diner with $18.53 in his wallet.How much money...
*May 1, 2012*

**Math**

Danmy baked a chocolate cake for dessert.The cake was cut into slices.Eight diners ordered cake for dessert at lunch.Half that many came during the afternoon and ordered a slice.Danny and Wanda each had a slice for a snack.If 4 slices were left at the end of the day,how many ...
*May 1, 2012*

**math**

Thanks
*May 1, 2012*

**math**

17=lunch 34=dinner I subtracted 34 and 7 and got 27.
*May 1, 2012*

**math**

Danny's Diner server 17 customers during lunch.There were twice that many customers during dinner.The number of customers in the diner at the dinner hour was 7 fewwer than the number of customers during breakfast.How many customerts were in the diner during breakfast? 27?
*May 1, 2012*

**Math**

Each day Danny prepares pies for dessert.He slices each pie into 8 servings.If Danny bakes 9 pies and 54 customers order a slice,how many slices will be left? 18 Many customers phone in their lunch orders to the diner.On both Monday and Tuesday 39 people phoned their lunch ...
*May 1, 2012*

**Math**

Are these right
*May 1, 2012*

**Math**

Customer Cal has 7.00 He orders breakfast att he diner for $5.19 and coffee for 0.83.How much money does he have left? .98 Its Monday and every seat is taken.There are 24 tables and 12 booths in the diner,each seating 4 people.If Wanda has taken 56 orders,how many more does ...
*May 1, 2012*

**Math**

Wanda is filling saltshakers at tables and booths.There are 24 tables and 12 booths,each with 1 saltshaker.If Wanda has finished filling 17 saltshakers,how many more does she need to fill? 19? Danny is stacking chairs so he can mop the floor.There are 24 tables in the ...
*May 1, 2012*

**Math**

Danny ordered 124 pounds of vegetables for this week's menu.On Monday 18 pounds were used,and Tuesday's meal used 36 pounds.Twenty-six pounds were used on both Wednesday and Thursday.How many pounds does Danny have left to use on Friday? 18 pounds?
*May 1, 2012*

**History**

Can you help me with my math?
*May 1, 2012*

**History**

What is the date in which the Declaration of Independence was declared? July 4,1776?
*May 1, 2012*

**Math**

Wanda the waitress took a break at 3 PM.Before that she waited for 2 1/2 hrs. She also helped Danny make salads for 40 minutes.If it takes Wanda 35 minutes to travel from her house to Danny's Diner,what time did she leave her house to come to work? 11:15?
*May 1, 2012*

**Math**

Danny started making food early for the lunch crowd.He chopped vegetables for 25 minutes and made salads for 20 minutes.He cooked soup and made the daily special for 50 minutes.Then he baked a cake and two pies.This took 1 hr and 5 minutes.If Danny stopped at 11:00A.M., what ...
*May 1, 2012*

**Math**

Danny's Dinner made $175.00 on Monday,$220.00 on Tuesday and $375.00 on Wednesday.Danny's goal is to make $1,000.00 by Friday.How much money will Danny have to make during the rest of the week to meet his goal? 230.00
*May 1, 2012*

**ELA**

WORD BOX:propose,convince,concern,enforce,compare,excuse,conduct,preserve,contain,excite Underline the word or words in each sentence that can be replaced with a Basic Word.Then write the four basic words. 1.Our class will put forward for consideration a plan for collecting ...
*April 30, 2012*

**ELA**

THANKS!
*April 30, 2012*

**ELA**

Word box: Around the world,into the air,with each other,in the nets,into a tight circle,In a single day,in front of ships,near people,along the bottom,in the ocean,into the circling fish Dolphins are some of the most graceful animals that live IN THE OCEAN. They can swim as ...
*April 30, 2012*

**Reading**

Next to Willow,our school is in the Dark Ages. How does the author organize the support for this argument? A.By using cause and effect B.By using comparisons C.By using problem and solution D.By using opinions B?
*March 7, 2012*

**Math**

18. Carla earns $8.43 per hour working 40 hours a week. If she worked 7 overtime hours one week, what would be her earnings? $396.21 $366.74 $425.75 19. Lauren earns $3.75 per hour as an usher. In 5 days her tips were $19.75, $25.30, $18, $21.50, and $18.50. Find Lauren’s...
*March 6, 2012*

**Writing**

Thanks! Are the rest of my information ok?
*March 5, 2012*

**Writing**

What better time to kiss the Blarney Stone than March! Help your readers plan a trip to Ireland by writing a travel article with interesting facts about the country My Facts: Want a trip to Ireland? Well you should go because there is a lor of amazing interesting facts about ...
*March 5, 2012*

**math**

Mr.River is driving from Hillsford to Dryden. The distance between the 2 towns is 1715 miles. Mr.River has already driven 580 miles. Which is the best estimate of how much farther he must drive in order to reach Dryden? A.2300miles B.1200miles C.1100miles D.800milles C?
*March 5, 2012*

**Math**

Two hundred four students go to after school care at Ming's school. The students are divided into 12 equal groups. Six groups play on the playground while 6 gropus work on their homework. What is the greatest number of students that play on the playground at 1 time? A.17 B...
*March 5, 2012*

**science**

if you add 100mL of water at 20 degree celisus to 200mL of water at 20 degree celisus what does the thermal energy do for the combined mixture?
*March 4, 2012*

**Math**

Don't prime numbers have only 1 factor? So Shandi has composite numbers?
*February 29, 2012*

**Math**

4 students each wrote 2 number patterns Shandi 3,6,9,12... 5,15,20,25 Latrell 1,3,5,7...3,5,7,9 Hong-Li 0,1,3,6...1,2,4,7 Adriano 2,3,5,7...11,13,17,19 Which student's number patterns used only prime numbers? A.Shandi B.Latrell C.Hong-Li D.Adriano D?
*February 29, 2012*

**math**

Five members of a family are standing in line at a carnical ride.A girl is at the front and an adult is at the back. Tom is 3rd in line.Which list could be the order of the line from first to last? A.Gina,Paul,Mrs.Moore,Tom,Mr.Moore B.Paul,Mr.Moore,Tom,Gina,Mrs.Moore C.Gina,...
*February 27, 2012*

**Math**

The dictionary has a mass of 4 kilograms. The thesaurus has a mass of 2300 grams. How much greater is the mass of the dictionary than the thesaurus? A.1700g B.1900g C.2700g D.4000g C?
*February 27, 2012*

**math**

Mrs.Chavez is on an 8-kilometer hike. She wants to reach the halfway point of the hike in 3 hours. She plans to hike 1.5 kilometers the first hour and 1.5 kilometers the second hour. What could she do to determine how far she should hike in the third hour? A.add 1.5 to 8 and ...
*February 22, 2012*

**math**

Ayita has the coupon shown below Buy 10 or more quarts of paint and take $8 off your total order Ayita will buy 12 quarts of paint. Each quart of paint cost $10.95. Which number sentence can be used to find how much Ayita will pay for the paint if she uses the coupon? A.(12x10...
*February 22, 2012*

**Math**

I thought it was 22 times 3 but I read the answers wrong
*February 21, 2012*

**Math**

Total Students 66 110 154 220 Classrooms 3 5 7 10 66(students)=3(classroom) 110(students)=5(classroom) 154(students)=7(classroom) 220(students)=10(classroom) This is the table to answer the question The table I posted first looked cofusing
*February 21, 2012*

**Math**

The table shows the number of classrooms needed for different numbers of students. Total Students Classrooms 66 3 110 5 154 7 220 10 What is the relationship between Total Students and Classrooms? A.Classrooms=Total Students divided 33 B.Classrooms=Toal Students subtract 63 C....
*February 21, 2012*

**physics**

A 40.0 kg crate is initially moving with a velocity that has magnitude 4.09 m/s in a direction 37.0 ^\circ west of north. How much work must be done on the crate to change its velocity to 5.49 m/s in a direction 63.0 ^\circ south of east?
*February 19, 2012*

**Math**

Answer the questions based on the information give on the sign 1 Beaver pelt=12silver coins 1 Buffalo hide=25silver coins 1 River Otter skin=2gold coins 5 silver coins=1gold coin Pathfinder Polly steps in to trade egss for buffalo skins. She would like to make buffalo hide ...
*February 16, 2012*

**Math**

Answer the questions based on the information give on the sign 1 Beaver pelt=12silver coins 1 Buffalo hide=25silver coins 1 River Otter skin=2gold coins 5 silver coins=1gold coin Jim comes into the station with 45 beaver pelts. He would like to get gold for his pelts. How much...
*February 16, 2012*

**Science**

Label the following inherited or learned Sea turtle laying eggs on a beach=inherit Seal balancing a ball on its nose=learned Spider weaving a web=inherit Birds flying in a v-shape=learned Dogs rolling over= learned A lion returns to the same place everyday to hunt its food. It...
*February 15, 2012*

**Science**

For the 1st question I meant to ask Why not What
*February 15, 2012*

**Science**

What are the animals in the tropical rainforest becoming endangered? Answer:Because the rainforest is only 5% on the Earths surface and people cut it down What adaptation helps a plant survive in a hot and dry climate? Answer:Its roots because it can get water from it
*February 15, 2012*

**Science**

Thank you to you both. ;)
*February 15, 2012*

**Science**

What adaptations do ALL organisms in a tropical rainforest need for survival?
*February 15, 2012*

**3 grade english**

Yeah
*February 13, 2012*

**Math**

Thanks Ms. Sue!
*February 13, 2012*

**Math**

Hannah sliced a pie into 12 equal pieces.Hannah and her brothers ate 3 of the 12 slices. What fraction of the pie was NOT eaten? A.1/3 B.1/4 C.2/3 D.3/4 We did this one together in class and my teacher said it was D Explain? I know its not B cause 3/12=1/4
*February 13, 2012*

**Science**

Which adaptation helps some plants that live in the dry deserts? A.tall trunks B.long roots C.thin stems D.floating parts B? An animal that sleeps during the day MOST LIKELY lives in A.a tropical rain forest B.a tundra region C.a tide pool D.a hot desert A? A student gathered ...
*February 13, 2012*

**Science**

Plants=storing water Bacteria and fungi=decomposing dead organisma Earthworms=making soil less compact Bees=pollinating flowering plants Nearly all organisms=cycling oxygen and carbon dioxide Accoring to the chart,what would most likely happen in an ecosystem if there were a ...
*February 13, 2012*

**Science**

Duckweed is a small plant that grows in water Many waterbirds depend on duckweed for food Duckweed can reproduce rapidly in water that is rich in the nutrients used in agriculture. Which of these human activities would most likely cause an overgrowth of duckweed in a pond ...
*February 13, 2012*

**Science**

Which of these traits can a tree NOT pass to its offspring? A.the shape of its leaves B.roots that grow toward water C.a trunk scarred by lightning D.the kind of seeds it forms C?
*February 13, 2012*

**History**

What African American was the first to star in a major television show in 1965 called "I Spy"? Bill Cosby?
*February 9, 2012*

**Math**

Which of the following is Not true about a square? A.It has 4 right angles B.It has 4 congruent sides C.It has 4 acute sides D.Opposite sides are parallel C? The table shows the height of 3 different mountains Everest=8850 Tacora=5988 Baruntse=7129 Which is the best estimate ...
*February 9, 2012*

**Math**

Audrey is thinking of a number. If the number is divided by 3 and added to 12, the result is 29. Of which number is Audrey thinking? A.63 B.54 C.51 D.44 C? Look at the number tiles below 279 Which group of numbers shows all 3-digit numbers that can be made with these digits? A...
*February 9, 2012*

**Math**

Xiang needs to carry 60 dictionaries from a table to a bookshelf. Each dictionary weighs about 7 pounds. What information is needed to determinen the greatest number of dictionaries Xiang can carry at one time? A.The greatest weight the table can hold B.The distance from the ...
*February 9, 2012*

**calculus II SURFACE AREA Integration**

The answer is 309pi/5 with the limit from 1 to 7
*October 31, 2011*

**Pre-Algebra**

A movie projector is 6 ft away from the screen showing a rectangular picture that is 3 ft wide and 2 ft high. A. Suppose the projector is moved to 12 ft from the screen. What size will the picture be (width, height, and area)? I figured 6 wide, 4 high, 24 area. Is this correct...
*October 26, 2011*

**math**

y=2x-1
*October 13, 2011*

**math**

Given: segment AE and segment CD are lines. Prove: angle ABD is congruent to angle CBE.
*September 20, 2011*

**Geometry**

Given: segment AE and segment CD are lines. Prove: angle ABD is congruent to angle CBE. Thanks!
*September 20, 2011*

**Geometry**

Given: segment AE and segment CD are lines. Prove: angle ABD is congruent to angle CBE. I am in need of guidance in proving this statement. Thanks!
*September 20, 2011*

**physics**

An object is thrown upward at v0 from the surface of a small spherical planetoid of mass M and radius R When the object is a distance R above the surface, how fast is it moving in simple terms of v0, R and M?
*June 28, 2011*

**math**

The pyramid of Giza in Egypt is built of stone and was completed in 2560 BC. The length of each side of the square base is 230 meters and the vertical height is 146 meters. 1. What volume of stone is needed to form a solid pyramid with these dimensions? The surface of the ...
*June 26, 2011*

**Math**

x + 3x^2 + x^2
*May 15, 2011*

**Math**

Tristan runs 5 kilometers in 45 minutes. His goal is to run the same distance in 40 mins by next year. How many kilometres per hour does he need to run next year to reach his goal?
*May 10, 2011*

**math**

if a lesser integer is being subtracted from a greater integer, is the answer positive or is it negative?
*May 5, 2011*

**math**

if a greater integer is being subtracted from a lesser integer, is the answer positive or negative?
*May 5, 2011*

**Chemistry**

awwkwaaaaard
*February 27, 2011*

**Chemistry**

:( me too
*November 20, 2010*

**physics**

got it thanks.
*October 13, 2010*

**physics**

can you show me a little more work please I am understanding where you are headed?
*October 13, 2010*

**physics**

How long does it take for the ball to hit the ground 7 meters below if it's thrown straight up wit intial velocity of 2 m/s squared?
*October 13, 2010*

**algebra**

You want to subtract 17 from both sides. You now have 2/3m = 0. If you did not get a 0 you would have multiplied by 3/2 after you have subtracted 17. So your answer is m = 0.
*October 13, 2010*

**Math**

Margarit liked to balance things. She balanced 3 pencil sharpeners and 2 one gram blocks witha 100 gram weight and another one gram block. She let x stand for teh weight of one pencil sharpener and she claimed that x=30 grams. Was she correct? If not, how much did each pencil ...
*October 11, 2010*

**Math**

You are playing a card game with a full deck of 52 cards. You win if you draw a red card that is a multiple of 5. What are your chances of winning on your first draw?
*October 3, 2010*

**Physics (Circular Motion!!)**

You have to use the first kinematics equation Vfinal = Vinitial + at. The initial velocity is 0, so Vfinal = at. Find the final velocity (where it reaches its top speed) by 2piR (where R is the radius) / time of 1 revolution. Then divide the final velocity by the total time it...
*September 2, 2010*

**science**

what are inferrences based on?
*August 18, 2010*

**Physics**

Does a police cars frequency become higher moving toward a stationary observer or away from? I am confused as to how we hear the frequency anyways..
*June 27, 2010*