Wednesday

November 25, 2015
Total # Posts: 655

**math**

The area of a square floor on a scale drawing is 100 square centimeters and the scale of the drawing is 1 centimeter:2ft. What is the area of the actual floor? What is the ratio of the area in the drawing to the actual area?
*November 16, 2015*

**Math**

If the original building is 810 meters tall, what was the scale used to make the model?
*November 16, 2015*

**English**

Thank you both for your answers! I left out the 'I'll still be a customer' part, and in my study guide the letter isn't that long, which is why I didn't add that many sentences.
*November 13, 2015*

**English**

Please review my complaint letter for school? Is it formatted correctly? November 13, 2015 Apple Inc. 1 Infinite Loop Cupertino, CA 95014-5723 To whom it may concern: I am writing to inform you that the product I’ve ordered from your company has not yet arrived. On ...
*November 13, 2015*

**Social Studies**

In the compromise of 1820 what was the status of the unorganized territory?
*November 10, 2015*

**Chemistry DRBOB HELP ME PLEASE**

Please help me N2O5(g) + H2O(l) --> 2HNO3(l) delta H° = -76.2 kJ H2O(l) --> H2(g) + 1/2O2(g) delta H° = 286.0 kJ 1/2N2(g) + 3/2O2(g) + 1/2H2(g) --> HNO3(l) delta H° = -174.0 kJ Calculate delta H° for the reaction 2N2O5(g) --> 2N2(g) + 5O2(g)
*October 28, 2015*

**Chemistry DRBOB HELP ME PLEASE**

Please help me N2O5(g) + H2O(l) --> 2HNO3(l) delta H° = -76.2 kJ H2O(l) --> H2(g) + 1/2O2(g) delta H° = 286.0 kJ 1/2N2(g) + 3/2O2(g) + 1/2H2(g) --> HNO3(l) delta H° = -174.0 kJ Calculate delta H° for the reaction 2N2O5(g) --> 2N2(g) + 5O2(g)
*October 28, 2015*

**Chemistry**

Dr. Bob I need your help please
*October 27, 2015*

**Chemistry**

Please help me N2O5(g) + H2O(l) --> 2HNO3(l) delta H° = -76.2 kJ H2O(l) --> H2(g) + 1/2O2(g) delta H° = 286.0 kJ 1/2N2(g) + 3/2O2(g) + 1/2H2(g) --> HNO3(l) delta H° = -174.0 kJ Calculate delta H° for the reaction 2N2O5(g) --> 2N2(g) + 5O2(g)
*October 27, 2015*

**math**

does a horizontal line represent function?
*October 12, 2015*

**math**

its quadrant 1 right?
*October 12, 2015*

**math**

the coordinate (2 -4) is located in which quadrant in the coordinate plane
*October 12, 2015*

**Math**

A food co.packs 24 cans of tuna into a box. The co.has 768 cans to box. If they sell a full box for $12,how much money will the food co.make on these boxes?
*October 1, 2015*

**Please Help**

or is it crack
*September 25, 2015*

**Please Help**

is it a?
*September 25, 2015*

**Please Help**

this is what is says 1890-95, Americanism; earlier crackajack, rhyming compound based on crack (adj.); -a- as in blackamoor; jack 1in sense “chap, fellow”
*September 25, 2015*

**Please Help**

Oh is it er????
*September 25, 2015*

**Please Help**

and the subject is launguage arts
*September 25, 2015*

**Please Help**

or is it jack?
*September 25, 2015*

**Please Help**

is it krak?
*September 25, 2015*

**Please Help**

is the root word for the word crackerjack crack?
*September 25, 2015*

**Science**

Can you Describe what happens when a roller coaster rolls downhill in terms of velocity and acceleration. Is the roller coaster increasing in velocity? Is the roller coaster accelerating?
*September 24, 2015*

**SS**

What do the colonies call themselves in the last part of the document?
*September 23, 2015*

**SS**

Okay. Thank you!! I have a question though the question is what you should do. Should you rebel?
*September 23, 2015*

**SS**

what should people do if a government is not protecting natural rights?
*September 23, 2015*

**SS**

take on the role of a Tory or Patriot and decide if war can be avoided. What are the benefits of preserving peace? What are the reasons for going to war? If the Revolution had been avoided, how would America be different? Subject
*September 23, 2015*

**Social Studies**

The first Englishman who wanted to build a “future Eden” where luxurious items, such as coffee, tea, figs currants, olives, rice and silk, would be produced. This paradise was to be called is it the margravate of azilia?
*September 16, 2015*

**History**

is it the margravate of azilia?
*September 16, 2015*

**History**

The first Englishman who wanted to build a “future Eden” where luxurious items, such as coffee, tea, figs currants, olives, rice and silk, would be produced. This paradise was to be called
*September 16, 2015*

**Social Studies**

what have the earliest people might have seen while crossing the bering land bridge?
*September 9, 2015*

**Math**

Suki's has 54 rock songs,92 dance songs,and 12 classical songs on her play list.If Suki's music player randomly selects a song from the playlist,what is the experimental probability that the song will not be a classical song?Explain your answer.
*September 3, 2015*

**Math PLEASE HELP**

Can someone PLEASE HELP ME?I am really confused. Suki's has 54 rock songs,92 dance songs,and 12 classical songs on her play list.If Suki's music player randomly selects a song from the playlist,what is the experimental probability that the song will not be a classical ...
*September 3, 2015*

**Math**

Suki has 54 rock songs 92 dance songs and 12 classical songs on her playlist . If suki's music player randomly selects a song from the playlist, what is the experimental probability that the song will not be classical
*September 3, 2015*

**Decimals**

How would you say 1.202 in word form
*September 1, 2015*

**Math**

Thank you
*August 27, 2015*

**Math**

Ronnie misses the school bus 1 out of every 30 school days. He sets up the proportion 1/30=180/x to predict how many days he will miss the bus in the 180-day school year. What is Ronnies error?
*August 27, 2015*

**Math**

Thank you so much.
*August 27, 2015*

**Math**

Do I round it to 292
*August 27, 2015*

**Math**

Is the answer 291.4 Thank you
*August 27, 2015*

**Math**

I' m confused
*August 27, 2015*

**Math**

An airline know that,on average the probability that a passenger will not show up for a flight is 6%.If an airplane is fully booked and holds 300 passengers,how many seats are expected to be empty?If the airline overbooked the flight by 10 passengers,about how many passengers ...
*August 27, 2015*

**Science **

A truck whose bed is 2.5m long 1.5 m wide and 1.0 m high is delivering sand for a sand sculpture competition. About how many trips must the truck make to deliver 7 m3 if sand
*August 27, 2015*

**Science**

Why do NBA players wear shoes made of rubber? Think about friction, durability, weight and other factors that make rubber the perfect material for the soles of basketball shoes.
*August 27, 2015*

**Science**

sorry can you name two hempisphers in just georgia
*August 27, 2015*

**Science**

sorry its social studies not science
*August 27, 2015*

**Science**

can you name two hemisphers in duluth ga
*August 27, 2015*

**Science**

do radioactive elements occur naturally on earth
*August 24, 2015*

**Science**

does the air in our atmosphere contains elements that we breathe with every breath
*August 24, 2015*

**math**

-2 + y = 11 solve for y would y be 13?
*August 24, 2015*

**Math**

There are 12 pieces of fruit in a bowl.7 are apples 2 are peaches.What is the probability that a randomly selected piece of fruit will not be an apple or a peach?Justify your answer.
*August 19, 2015*

**precalc**

A projectile is launched from a platform 20 feet high with an initial velocity of 48 feet per second, The height h of the projectile at t seconds after launch is given by h = –16t^2 + 48t + 20 feet. (a) How many seconds after launch does the projectile attain maximum ...
*July 12, 2015*

**Algebra**

A ball is thrown from the top of a building. It's height (y) in feet at any given time (x) in seconds is y=-16x^2+240. What is the maximum height of the ball?
*June 22, 2015*

**Social Studies**

Describe the caste system and it’s the different levels.
*May 15, 2015*

**Social Studies**

South Asia’s flood plains have attracted a great deal of people because of their _______________. rich soil?
*May 15, 2015*

**Social Studies**

Describe the causes and effects of pollution on the Ganges River. What role does population play on this pollution?
*May 15, 2015*

**science**

is a squirrel a animal species
*May 15, 2015*

**Math**

A printing company makes plastic banners 15 ft long by 6 feet wide. How many square meters is the banner? Use 1 foot=0.305meters
*April 27, 2015*

**math**

I think its D, but i also think its A.
*April 9, 2015*

**math**

I got B by using a proportion.
*April 9, 2015*

**math**

It would be C right???
*April 9, 2015*

**math**

Elisa surveyed people in her neighborhood about whether they would like to have a swimming pool in their community park. Of those who responded, 65% were in favor of having a swimming pool. Based on these results, which statement could be true? A. Elisa surveyed 10 people, 6 ...
*April 9, 2015*

**math**

thank you. and the answer is 471....
*March 26, 2015*

**math**

The radius is 5 inches. sorry I just realized I forgot that....
*March 26, 2015*

**math**

what is the volume of a cylinder with a radius of inches and a height of 6 inches ?
*March 26, 2015*

**Math**

Thank you.
*March 26, 2015*

**Math**

A box of Cereal X contains 36 ounces and costs $ 4.99. A box of Cereal Z contains 30 ounces and costs $ 4.50. Which cereal is the better buy ?
*March 26, 2015*

**math**

okay I got it now. thank you.
*March 25, 2015*

**math**

so you say to put 7 in for x ?
*March 25, 2015*

**math**

the expression gives the area of a rectangle (x-4)(2x-3) what is the value of the equation when x=7 ?
*March 25, 2015*

**MATH**

Debs discount store is giving a 30% discount on everything in the store. what would you pay for the jacket regularly priced at $59?
*March 25, 2015*

**Math**

Trevor went to an amusement park where ride tickets cost $2.50 each. He plans to spend $15.00 on refreshments while at the park. He has a total of $65.00. Write an equation to find the number of ride tickets he can buy.
*March 25, 2015*

**math**

aaron made a scalw drawing of his bedroom he used the scale 1/4 inch = 1 foot the length of his bedroom in the drawing is 5 inches what is the actual length of his room ?
*March 23, 2015*

**language arts**

2. An example of literal description in the poem is (1 point)the sun brightening valleys. an audience being moved by a speech. the words of the president being relevant for a long time. shadows falling over the land.
*March 19, 2015*

**Psychology **

Martina heard the noise, but could not understand what was being said. Perhaps it was simply the humming of the machines that she heard? She was uncertain whether she should move toward or away from the sound. Martina is having difficulty with? A. Sensation B. Perception C. ...
*March 7, 2015*

**Social Studies**

Utopia
*February 26, 2015*

**Algebra 2**

Solve the equation : 8^2x-1 = 16^x+1 i know you have to log both sides log8^2x-1 = log16^x+1 and then you use the exponential rule 2x-1 log8 = x+1 log16 but then i dont know what to do...
*February 22, 2015*

**Algebra 2**

sorry its x^3-3x....
*February 22, 2015*

** Math**

In the formula d = rt, the time t varies inversely with the rate r. A student running at 5 miles per hour runs one lap around the school campus in 8 minutes. If a second student takes 10 minutes to run one lap around the school, how fast is she running?
*February 19, 2015*

**math**

im pretty sure the answer is 21 because i have had this same question forever and today i finnaly figured it out
*February 19, 2015*

**gifted math**

24 pencils in a box each student in the class gets 6. There are no pencils left over. How many students are in the class? write an equation to represent the situation.
*January 26, 2015*

**Physics**

mrubber stopper = 0.07Kg mmetal washers = 0.196Kg radius = 1.0m total time = 12 seconds # of revolutions = 10 revolutions With this data, calculate the centripetal Force (Fc) (to 2 decimals) of the rubber stopper in its "orbit".
*January 20, 2015*

**Physics**

mass rubber stopper = 0.07Kg mass metal washers = 0.196Kg radius= 1.0m total time = 12 seconds # of revolutions = 10 revolutions With this data, calculate the Period (T) of the rubber stopper in its "orbit".
*January 20, 2015*

**Physics**

A 500 kg car experiences a frictional force of 3080 N while turning, if the car is traveling around a turn of radius 17 m what is the velocity of the car?
*January 20, 2015*

**Physics**

A motorcycle has a mass of 250kg. It goes around a 13.7 m radius turn at 96.5 km/hr. What is the centripetal force? a. 2.95x10^3 N b. 4.31x10^4N c. 1.31x10^4 N d. 719N
*January 20, 2015*

**Physics**

A child swings from a rope of length L. If she starts her swing with the rope horizontal what is her acceleration at the bottom of the swing? a. 2gL^2 b. g/2 c. g d. 2g/l e. 2g
*January 20, 2015*

**Physics**

Abby is swinging a ball on a string in a circle with a constant tension. Which of the following quantities is constant? a. acceleration b. speed c. none of the others d. velocity e. force
*January 20, 2015*

**Physics**

A point on a wheel rotating at 5revs/s is located 0.20m away from the axis. What is the centripetal acceleration? a. 198m/s^2 b. .05m/s^2 c. 48m/s^2 d. 1.35m/s^2
*January 20, 2015*

**Physics**

A 500 kg car experiences a frictional force of 3208 N while turning, if the car is traveling around a turn of radius 16 m what is the velocity of the car?
*January 15, 2015*

**Physics**

A car driving at 99m/s can stop in 83 m. What is the smallest radius the car can safely travel at the original velocity?
*January 15, 2015*

**Physics**

A car driving at 93m/s can stop in 75 m. What is the smallest radius the car can safely travel at the original velocity?
*January 15, 2015*

**Physics**

A penny is placed on a disk that is rotating at 2 revolutions per second. The coefficient of friction between the penny and the disk is 0.4. What is the maximum radius at which the penny will stay on the disk? a. 2.5cm b. 100cm c. 1cm d. 10cm e. 25cm
*January 15, 2015*

**Physics**

A 200kg car is traveling at 50m/s on a level, circular track with radius 100m. What is the traction force required to keep the car on the track? a. 25000N b. 50,000N c. 10000N d. 2500N e. 5000N
*January 15, 2015*

**Chemistry **

How many moles of carbon are needed to react with 5.6 moles of hematite (Fe2O3)?
*January 8, 2015*

**Chemistry **

If 3.79x1024 formula units (molecules) of hematite react with excess carbon, what mass of iron will be produced?
*January 7, 2015*

**Physics**

A 0.0420-kg hollow racquetball with an initial speed of 18.3 m/s collides with a backboard. It rebounds with a speed of 7.4 m/s. Calculate the total impulse on the ball.
*December 21, 2014*

**Physics**

Two objects, one of mass 3kg moving at 2m/s, the other of mass 5kg and speed of 2m/s move towards each other and collide in a head on collision. If the collision is perfectly inelastic, find the speed of the objects after the collision.
*December 21, 2014*

**physical science**

A.) 0 because it's not in motion B.) 91.875 J C.)1,201.725 J D.) 205,700,000 J
*November 6, 2014*

**physics**

A projectile is fired at 12.5 m/s at an angle of 53.1 with the horizontal from a point 75m above the ground. A) How long does it take to reach the ground? B)What max height does it reach? C) What horizontal distance does it travel before striking the ground? D) With what ...
*November 2, 2014*

**Math**

Samantha made 9800 mL of fruit punch for a party, and she served the fruit punch divided equally in 5 pitchers. Her guests drank 2 pitchers of fruit punch. How many liters of fruit punch did Samantha have left over?
*October 19, 2014*