Posts by Brooke
Total # Posts: 752

Please Help
is the root word for the word crackerjack crack? 
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? 
SS
What do the colonies call themselves in the last part of the document? 
SS
Okay. Thank you!! I have a question though the question is what you should do. Should you rebel? 
SS
what should people do if a government is not protecting natural rights? 
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 
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? 
History
is it the margravate of azilia? 
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 
Social Studies
what have the earliest people might have seen while crossing the bering land bridge? 
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. 
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 ... 
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 
Decimals
How would you say 1.202 in word form 
Math
Thank you 
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 180day school year. What is Ronnies error? 
Math
Thank you so much. 
Math
Do I round it to 292 
Math
Is the answer 291.4 Thank you 
Math
I' m confused 
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 ... 
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 
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. 
Science
sorry can you name two hempisphers in just georgia 
Science
sorry its social studies not science 
Science
can you name two hemisphers in duluth ga 
Science
do radioactive elements occur naturally on earth 
Science
does the air in our atmosphere contains elements that we breathe with every breath 
math
2 + y = 11 solve for y would y be 13? 
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. 
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 ... 
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? 
Social Studies
Describe the caste system and it’s the different levels. 
Social Studies
South Asia’s flood plains have attracted a great deal of people because of their _______________. rich soil? 
Social Studies
Describe the causes and effects of pollution on the Ganges River. What role does population play on this pollution? 
science
is a squirrel a animal species 
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 
math
I think its D, but i also think its A. 
math
I got B by using a proportion. 
math
It would be C right??? 
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 ... 
health
I know this is late but it is the Integumentary System 
Math
A. 
math
thank you. and the answer is 471.... 
math
The radius is 5 inches. sorry I just realized I forgot that.... 
math
what is the volume of a cylinder with a radius of inches and a height of 6 inches ? 
Math
Thank you. 
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 ? 
math
okay I got it now. thank you. 
math
so you say to put 7 in for x ? 
math
the expression gives the area of a rectangle (x4)(2x3) what is the value of the equation when x=7 ? 
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? 
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. 
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 ? 
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. 
Science
Thanks Haylee, I got a 100% You are awesome! :3 
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. ... 
Social Studies
Utopia 
Algebra 2
Solve the equation : 8^2x1 = 16^x+1 i know you have to log both sides log8^2x1 = log16^x+1 and then you use the exponential rule 2x1 log8 = x+1 log16 but then i don't know what to do... 
Algebra 2
sorry its x^33x.... 
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? 
math
im pretty sure the answer is 21 because i have had this same question forever and today i finnaly figured it out 
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. 
ART Check
1. B 2. D 
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". 
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". 
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? 
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 
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 
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 
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 
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? 
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? 
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? 
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 
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 
Chemistry
How many moles of carbon are needed to react with 5.6 moles of hematite (Fe2O3)? 
Chemistry
If 3.79x1024 formula units (molecules) of hematite react with excess carbon, what mass of iron will be produced? 
Physics
A 0.0420kg 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. 
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. 
math
A is wrong too. 
physical science
A.) 0 because it's not in motion B.) 91.875 J C.)1,201.725 J D.) 205,700,000 J 
sixth grade math
81 servings 
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 ... 
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? 
chemistry
Propane (C3H8) which is used as fuel in BBQ tanks often contains some butane(C4H10). A sample of a fuel mixture known to contain both propane and butane occupies a certain volume at a total pressure of 30 mmHg. The sample is then burned completely to produce CO2 and H2O. The ... 
chemistry
A coop student designed an experiment to collect hydrogen gas by reacting iron with a hydrochloric acid (HCl) solution. The student’s coop supervisor suggested that aluminum can also be included to generate hydrogen gas: Fe + 2 HCl → 2 FeCl2 + H2 2 Al + 6 HCl &#... 
physics
Vx= Vsinϕ Vy= Vcosϕ 
PreCalc
1.) Describe how the graphs of f(x) = 2x and g(x) = 2x are related. a.) All of these. b.) The graph of g(x) is a reflection of the graph of f(x) over the yaxis. c.) Non of these. d.) The graph of g(x) is a reflection of the graph of f(x) over the x and y axes. e.) The ... 
chemistry
Oops I left a part of the question out: 2. Mercury poisoning is a debilitating disease that is often fatal. In the human body, mercury reacts with essential enzymes, leading to irreversible inactivity of these enzymes. If the amount of mercury in a polluted lake is 215 ng of ... 
chemistry
Mercury poisoning is a debilitating disease that is often fatal. In the human body, mercury reacts with essential enzymes, leading to irreversible inactivity of these enzymes. If the amount of mercury in a polluted lake is 215 ng of mercury / mL, what is the total mass in ... 
math
650 
chemistry
if you need 50.0 grams of lead2 chloride how much magnesium chloride would you need? 
physics
Determine the final velocity of a medicine ball that is dropped from a height of 7.00 meters. (assume air resistance is negligible) I don't understand how to solve this with only change in x. I imagine I am supposed to assume initial velocity is 0 m/s, but, even if that is... 
english
The italicized word is "extremely." Would that be intensive? 
geometry
The james family just put in a pool. It is 5 feet deep and has an 8 foot radius. They only want to fill the pool 5/6 of the way. What will be the volume of the pool once filled? I'm so confused...please help. 
Science
chromosomes split apart from both "parents" then that set from the mother attaches to the set that the father gives off. (the chromosomes carry DNA) 
English
Rose, Ms. Sue, and the one above Rose are correct! I have done this assessment before and it was B,C,B! Hope this helps make sure you know you got the right answers :) 
English
C C B Is 100% correct! 🎉 
Math
do the equations y=2x+3 and x=12y have common solution, no common solution or infinitely many common solutions?