Monday

November 30, 2015
**stats **

Katie must take five exams in a math class. If her scores on the first four exams are 77, 79, 95, and 93, what score must Katie get on the fifth exam for her overall mean to be at least 80? The maximum score on an exam is 100 points. If it is not possible for Katie to achieve ...
*Saturday, October 3, 2015 by alicia *

**finance**

Your firm is considering leasing a new radiographic device. The lease lasts for three years. The lease calls for four payments of $25,000 per year with the first payment occurring immediately. The computer would cost $140,000 to buy and would be straight-line depreciated to a ...
*Friday, October 2, 2015 by Liesa*

**Alegbra **

4. a student's work to solve 2 6/7 divided by 2/7 is shown below. which of the following statements do you agree with? 2 6/7 divided by 2/7 = 19/7 divided by 2/7= 7/19 times 2/7= 7/19 times 2/7=2/19 cross out the 7 in the first one put a one and cross out the second one ...
*Friday, October 2, 2015 by Shalee ^~^*

**investment**

2 Consolidated Software doesn’t currently pay any dividends but is expected to start doing so in 4 years. That is, Consolidated will go 3 more years without paying any dividends, and then is expected to pay its first dividend (of $3 per share) in the fourth year. Once the...
*Friday, October 2, 2015 by kimmy*

**science**

A rope is stretched between two boats at rest. A sailor in the first boat pulls the rope with a constant force of 100 N. First boat with the sailor has a mass of 250 kg whereas the mass of second boat is double of this mass. If the initial distance between the boats was 30 m, ...
*Friday, October 2, 2015 by Bhavya*

**Physics**

A hockey player is standing on his skates on a frozen pond when an opposing player, moving with a uniform speed of 14 m/s, skates by with the puck. After 3.5 s, the first player makes up his mind to chase his opponent. (a) If he accelerates uniformly at 4.0 m/s2, how long does...
*Thursday, October 1, 2015 by Michael*

**Chemistry **

A certain substance undergoes decomposition by a first-order reaction which has equal to 30.0 minutes. If the initial concentration of the substance is 1.28 mol/liter, what will its concentration be after 2.50 hours? 1. 0.36 M 2. 0.040 M 3. -0.32 M 4. 0.020 M 5. 0.16 M 6. None...
*Thursday, October 1, 2015 by Jim *

**Social Studies 8**

Who were the first Early American civilization to build stone pyramids? A)Maya B)Olmec C)Aztec*** D)Inca
*Thursday, October 1, 2015 by Connections Academy Student*

**Your professinal image**

The key to maintaining a strong self-esteem is A. being able to bounce back quickly from disappointments. B. not pursuing something once you've failed at it. C. telling yourself repeatedly that you're better than others. D. never allowing it to go up or down but ...
*Thursday, October 1, 2015 by jennifer*

** Help!! Geometric progression**

Question(1):A G.P has a common ratio of 2 find the value of 'n' for which the sum 2n terms is 33 times the sum of n?? Question(2):in A G.P the product of the 2nd and the 4thterm is double ,the 5th term and the sum of the first 4 term is 80.find the G.P??
*Thursday, October 1, 2015 by Collins*

**math**

diego is saving money to buy a computer game. he saves $2 the first month , and each month after that, he saves twice as much as the previous month. which expression shows how much he saves in the third month
*Thursday, October 1, 2015 by kayli*

**Louisiana History**

Please Help!! 9. Why did Louisiana's proprietary governor, Cadillac, first have trouble with the Indians? A) He refused to smoke the calumet. B) He ordered raids on Indian settlements. C) He captured and made slaves of the Indians. D) He ordered the Indians off their ...
*Thursday, October 1, 2015 by Jessica*

**Louisiana History**

Please Help!! 6. Which problem did Bienville address first when he returned to serve Louisiana's governor a second time? A) food shortage B) Indian relations C) lack of colonists D) money shortage
*Thursday, October 1, 2015 by Jessica*

**Technology**

1. To insert clip art into a document, what step should I take after I find the clip art I want to insert? A. Use the scroll bars to find more choices of clip art B. Click on the clip art image C. Click on the clip art button D. Click the Insert tab at the top of the screen** ...
*Thursday, October 1, 2015 by Charlotte*

**Tech**

1. You're on the first slide in the presentation, an then after clicking on a shape you jump to another slide .what was added to this presentation to make this happen? A:a slide transition B:a clip art image C:a text animation D:an action button 2. which of the following ...
*Thursday, October 1, 2015 by Adri,*

**Louisiana History**

Please check my answers 1.Which best describes the effect of European settlers on the culture of Native Americans in Louisiana? A) The Native Americans were left to prosper on their tribal homelands. B) The Native Americans turned increasingly from hunting and agriculture to ...
*Thursday, October 1, 2015 by Jessica*

**Tech**

1. You're on the first slide in the presentation, an then after clicking on a shape you jump to another slide .what was added to this presentation to make this happen? A:a slide transition B:a clip art image C:a text animation D:an action button 2. which of the following ...
*Thursday, October 1, 2015 by Adri,*

**Physics **

Near the end of a marathon race, the first two runners are separated by a distance of 45.0 m. The front runner has a velocity of 3.50 m/s, and the second a velocity of 4.20 m/s. (a) What is the velocity of the second runner relative to the first? (b) If the front runner is 250...
*Thursday, October 1, 2015 by Mike*

**social studies**

which culture carried the knowledge of iron tools across Southern Africa in a series of migrations? a. Nubians b. Arabs c. Bantu d. Europeans which group of foreign traders first became involved in Eastern Africa's slave trade? a. Arabs b. British c. Dutch d. Portuguese ...
*Thursday, October 1, 2015 by khandrel*

**Social Studies**

1. For centuries, Arab Muslims had generally welcomed Christian pilgrims to the Holy Land. Which group later took control of the Holy Land, attacked pilgrims, and led Pope Urban to call for the crusades? a. Mongols b. Byzantines c. Seljuk Turks*** d. North Africans 2. The ...
*Thursday, October 1, 2015 by Talia*

**math**

The mean of four numbers is 5 and the mean deviation is 3.Find the fourth number if the mean deviation of the first three numbers is 2?
*Thursday, October 1, 2015 by I-learn*

**sat**

A fence consist of sections built in a row. the figure above shows the first two sections of the fence. each section is identical and consists of two horizontal boards between consecutive vertical posts. each post cost $ 8 and each board coat $6. If the total cost of the ...
*Wednesday, September 30, 2015 by Anonymous*

**Probability license Arrangements **

All license plates have a letter, two characters (which are either a number or a letter) Followed by two numbers. The letter choice for the first character can only be either an E,W,P,R,A,F OR U. How many license plates can be made? What is the probability of having one with a...
*Wednesday, September 30, 2015 by Amber*

**math**

For what intervals is g(x) = 1/x2 + 1 concave down? (Enter your answer using interval notation.) For this question I understand that we have to find where the second derivative is negative. So first I found the first derivative and got 2x/x^4+2x^2+1 and then I took the second ...
*Wednesday, September 30, 2015 by Angelica*

**Math**

In your class, you have scores of 73,85,76, and 92 on the first four of five tests. To get a grade of Upper C, the average of the first five tests scores must be greater than or equal to 70 and less than 80. a) Solve an inequality to find the least score you can get on ...
*Wednesday, September 30, 2015 by Ms. E*

**math**

Could someone please show me how to do these problems? or just show me how to do 1 or 2? I would really appreciate any help you could give... There are examples in my lesson but I don't understand them, here are the examples~~ EXAMPLE~ Solve 3(x – 2) + 4 > 2(2x &#...
*Wednesday, September 30, 2015 by Abby *

**Physics **

a block of mass 5.62 kg lies on a frictionless horizontal surface. The block is connected by a cord passing over a pulley to another block of mass 2.53 kg which hangs in the air. Calculate the Acceleration of the first block. The acceleration of gravity is 9.8 m/s square root ...
*Wednesday, September 30, 2015 by Beatriz *

**Physics**

You would like to shoot an orange in a tree with your bow and arrow. The orange is hanging 5.00 m above the ground. On your first try, you fire the arrow at 32.0 m/s at an angle of 30.0° above the horizontal from a height of 1.10 m while standing 52.0 m away. Treating the ...
*Wednesday, September 30, 2015 by Colin *

**math**

The mean of four numbers is 5 and the mean deviation is 3.Find the fourth number if the mean deviation of the first three numbers is 2?
*Wednesday, September 30, 2015 by I-learn*

**Social Studies**

1. TO which system of governemt is the feral system most similar? A. the unitary system, ecause both place most powers with legislature B. the conferal system, because both spilt powers among the state and national governemnts C. the unitary system, because both concentrate ...
*Wednesday, September 30, 2015 by HELPPP*

**math**

Could someone please show me how to do these problems? I would really appreciate any help you could give... There are examples in my lesson but I don't understand them, here are the examples~~ EXAMPLE~ Solve 3(x – 2) + 4 > 2(2x – 3). First I'll multiply ...
*Wednesday, September 30, 2015 by Abby *

**Washington high**

A man invest $12000 in two accounts.If one account pays 10% per year and the other pays 7% per year, how much was invested in each account if the total interest earned in the first year was $960?
*Wednesday, September 30, 2015 by anju*

**Washington high**

Stacy has a total of $6000 in two accounts.the amount of interest she earns from both accounts in the first year is $500.if one of the accounts earns 8% interest per year and the other earns 9% interest per year, how much did she invest in each account?
*Wednesday, September 30, 2015 by anju*

**Washington high**

A women has a total of $9000 to invest. She invests part of money in an account that pays 8% per year and rest in account that pays9% per year, if the interest earned in the first year is$750, how much did she invest in each account
*Wednesday, September 30, 2015 by anju*

**English**

1. What's up, Ben? You look upset. - I lost first place. (Is this answer suitable? Do we have some other natural expressions?)
*Tuesday, September 29, 2015 by rfvv*

**Physics**

Two soccer players start from rest, 30 m apart. They run directly toward each other, both players accelerating. The first player’s acceleration has a magnitude of 0.49 m/s2. The second player’s acceleration has a magnitude of 0.43 m/s2. (a) How much time passes ...
*Tuesday, September 29, 2015 by Natasha*

**math**

Can someone show me how to answer this question? Please? I would really appreciate any help you can give baseball statistics~~ “According to an Associated Press study, the average MLB salary will break the $4 million mark for the first time in 2015, continuing a trend ...
*Tuesday, September 29, 2015 by Abby *

**Physics**

Select the motion diagram that corresponds to each of the four situations. E.g., if diag. A corresponds to the first situation, diag. C to the second, and none of the diagrams to situations 3 and 4, enter ACNN. Note that the velocity and acceleration vectors are shown; both ...
*Tuesday, September 29, 2015 by Mike*

**Physics**

Select the motion diagram that corresponds to each of the four situations. E.g., if diag. A corresponds to the first situation, diag. C to the second, and none of the diagrams to situations 3 and 4, enter ACNN. Note that the velocity and acceleration vectors are shown; both ...
*Tuesday, September 29, 2015 by Michael *

**social stuides**

The leaders of the Virginia Company recruited more settlers and reorganized the colony. They allowed the new settlers to own land. Those settlers began to grow tobacco, a crop they learned about from the Indians. By 1612, Virginians were shipping tobacco to England, which led ...
*Tuesday, September 29, 2015 by kayla*

**maths**

I need explanation to this question.solve 48 base12 multiply by 15 base12.i can solve it by first converting to base ten and back to base 12,but i need to be able to solve directly in base12.Thanks
*Tuesday, September 29, 2015 by james*

**College Algebra**

1 - 1 = 1 ______________________________________ 4x-12 2x-6 x^2-3x Solve the equation (its subtracting the first two fractions and equalling the last fraction)
*Tuesday, September 29, 2015 by Tim*

**Physics**

A stone is dropped from the roof of a building: 2.5s after, a second stone is thrown straight down with an initial speed of 24m/sec, and the two stones lands at the same time. (A) how long did it take the first stone to reach the ground
*Monday, September 28, 2015 by Sasa*

**math**

In how many ways can 6 students be seated in a row of 6 chairs if Shane insists on sitting in the first chair?
*Monday, September 28, 2015 by maritza*

**math**

Can someone show me how to answer this question? Please? I would really appreciate any help you can give baseball statistics~~ “According to an Associated Press study, the average MLB salary will break the $4 million mark for the first time in 2015, continuing a trend ...
*Monday, September 28, 2015 by Abby *

**H S Algebra**

Kelly made a 94 and an 80 on the first two science tests. What does she need to make on the third test to have at least a 90 average in the class?
*Monday, September 28, 2015 by Norman*

**Math**

Abia is one of three servers who work at a restaurant that is open from tuesday to sunday. Every week the servers randomly draw slips of paper from a hat to decide which two days they won't have to work, in addition to monday. What is the conditional probability that Abia ...
*Monday, September 28, 2015 by Polly*

**Math**

Two teams are playing in a best of seven playoff series. The first team to win four games wins the series. Ties are broken through sudden decision overtime. If the teams are evenly matched: What are the odds in favour of either team sweeping the series, in which one team wins ...
*Monday, September 28, 2015 by Laure*

**English**

Identify the choice that best describes the word "he" When Carlos presented the report to the class, he brought in samples of the foods. first-person pronoun second-person pronoun*** third-person pronoun reflexive pronoun *** - My Answer
*Monday, September 28, 2015 by Kaai97*

**math**

Can someone show me how to answer this question? Please? I would really appreciate any help you can give baseball statistics~~ “According to an Associated Press study, the average MLB salary will break the $4 million mark for the first time in 2015, continuing a trend ...
*Monday, September 28, 2015 by Abby *

**math **

can someone show me how to figure these literal equation out? I did them before but my teacher said they were incorrect. Questions~~ Solve the following formula for the variable indicated 9. r = d/t, where r = rate, d = distance, and t = time for d ( I didn’t know how to ...
*Monday, September 28, 2015 by Abby *

**math**

can someone help me figure these literal equation out? I did them before but my teacher said they were incorrect. Questions~~ Solve the following formula for the variable indicated 9. r = d/t, where r = rate, d = distance, and t = time for d ( I didn’t know how to answer ...
*Monday, September 28, 2015 by Abby *

**math**

The sum of two numbers is -62. Twice the first minus the second is 41. Find the numbers.
*Monday, September 28, 2015 by shaneika*

**chemistry**

A student determines the zinc content of a solution by first precipitating it as zinc hydroxide, and then decomposing the hydroxide to zinc oxide by heating. How many grams of zinc oxide should the student obtain if her solution contains 38.0 mL of 0.501 M zinc nitrate?
*Monday, September 28, 2015 by Julian*

**Math**

PLEASE HELP ASAP!!! 1 rectangular prism has a base area of 120 square feet, a height of 12 feet per second and has dimensions of 84 inches, 6 feet, and 16 feet. Is the volume of the second more than or less than half that of the first? now explain
*Sunday, September 27, 2015 by Kim*

**math**

can you please check my work. sorry to repost but I was skipped over earlier and just want to know if I did this correctly? A scientist uses a submarine to study ocean life. She begins at sea level, which is at an elevation of 0 ft. she travels straight down at a speed of 3....
*Sunday, September 27, 2015 by sara7*

**reading**

30-day Money Back Guarantee Groom Co. electric shavers come with a 30-day money back guarantee. The only stipulation is that you use your new exclusively for 2 weeks to become accustomed with the product. If you are not satisfied, we will refund the amount on your receipt if ...
*Sunday, September 27, 2015 by Joshua*

**Math **

A salesperson's weekly paycheck is 25% less than a second salesperson's paycheck. The two paychecks total $1425. Find the amount of each paycheck. first salesperson's paycheck ? second salesperson's paycheck?
*Sunday, September 27, 2015 by Kathy *

**Math**

Every 12th customer at a Chicago deli gets a free soda. Every 15th customer gets a free bagel. Which is the first customer to get a free bagel and free soda? Please help!!!
*Sunday, September 27, 2015 by Keesha*

**Health**

Which of the following secondary sex characteristics do not develop during the teen years? (1 point) development of breasts in girls development of body hair in boys development of ovaries in girls and testes in boys development of acne in boys 2. What is the primary cause for...
*Sunday, September 27, 2015 by Shalee ^~^*

**Health PLEASE HELP**

Hi, can some one check my health answers? I answered all the questions, I would just like some one to check them :) btw I go to connections academy. 1.Which of the following secondary sex characteristics do not develop during the teen years? (1 point) development of breasts in...
*Sunday, September 27, 2015 by KawaiiLightlee*

**math**

can you please check my work. A scientist uses a submarine to study ocean life. She begins at sea level, which is at an elevation of 0 ft. she travels straight down at a speed of 3.5ft per second. she then travels directly up 30seconds at a speed of 2.2ft per second. 1) after ...
*Sunday, September 27, 2015 by sara7*

**public speaking**

What type of visual aid is showing the actual thing being discussed? A. Photograph B. Graph C. Object D. Videotape
*Sunday, September 27, 2015 by Anonymous*

**PE**

You discover a red bump on your leg that itches. You decide to research the symptoms. While researching, you discover contradictory information. What is the best next step? Assume the bump is life threatening and call the doctor.*** Implement the solution from the first source...
*Sunday, September 27, 2015 by Stacy*

**Physics**

A mover has to move a heavy sofa of mass 146 kg to the second floor of the house. He uses a rope to pull the sofa up a ramp from the first to the second floor. As he pulls the sofa he makes sure that the rope is parallel to the surface of the ramp which is at 30.0° to the ...
*Sunday, September 27, 2015 by Anna*

**Maths: Sequences need help**

The nth term of a sequences of v1,v2,v3 is given by Vn=6 2^n (1):show that for all value of n>1 Vn1=2(Vn-3)?? (2): obtain and simplify the sum of the first n term of the sequence??
*Saturday, September 26, 2015 by Collins*

**lgebra**

The sum of three consecutive natural numbers is 963, find the numbers. (A) First, write out an equation that models the relationship between these three numbers: x + ____ +______ = 963 2nd number 3rd number (B) Now, simplify the left side of your equation: ____________ = 963 (...
*Saturday, September 26, 2015 by NINA*

**Maths word problem need help**

In order to save one million naira for the purchase of some goods a man save #1,#2,#4 #8 on the first,second,third and fourth day respectively.At this rate assuming that no interest was added (a):what amount was saved on the 15th day? (b):at least how many days were needed to ...
*Saturday, September 26, 2015 by Collins*

**Phyics**

A particle, which starts from rest, covers a distance of 19.94 cm in the first 8.6 seconds. Find the acceleration (in m/s2) of the particle at the end of 8.6 seconds.
*Saturday, September 26, 2015 by Susan*

**Science**

I have homework in which it asks "Describe the difference between elements, mixtures and compounds. (I have done the first sentence as it was fairly easy. Next is the part I don't understand) You need to draw their chemical formulae (for example KCl for potassium ...
*Saturday, September 26, 2015 by Ryan*

**Finance**

DBP Inc. just paid a dividend of $2.50. The expected growth rate of dividend is 5 percent. The required return for investors in the first three years is 12 percent and 10 percent for the following three years. After those six years the required return is 8 percent. What is the...
*Saturday, September 26, 2015 by Jack*

**chemistry**

The temperature at which crystal will first appear when a solution is cooled from 60°c to 20°c?
*Saturday, September 26, 2015 by Anonymous*

**chemistry**

The temperature at which crystal will first appear when a solution is cooled from 60°c to 20°c?
*Saturday, September 26, 2015 by Anonymous*

**Calculus**

Just got through with derivatives, power rule, and chain rule. I am supposed to find the first and second derivatives of the function. y = 4x/√x+1 and y = cos^2(x) y' = [(x+1)^(1/2)(4)]-[(4x)(1/2(x+1)^(-1/2))(1)] y' = [4(x+1)^(1/2)-4x]/[2(x+1)^(1/2)(x+1)] ...
*Saturday, September 26, 2015 by Justin*

**eced**

The rate of physical growth is slow during which period of life? Prenatal development. B.the first year of life. C. Preschool and elementary years. I am think c.
*Friday, September 25, 2015 by woody*

**child development **

Which of the following statements concerning the maturation of the reproduction systems is true? A.early menstrual are usually normal.b.in the first months of me strutting girls do not usually ovulate. C. At about 17 boys have their first spontaneous ejaculaTion. I am think c
*Friday, September 25, 2015 by Woody *

**English 11**

Check my answers please! 1. Which of the following statements about American Romanticism is nottrue? (1 point) Romanticism in American literature stemmed from Romanticism in British literature.*** Romanticism valued imagination and emotion over reason and intellect. Gothic ...
*Friday, September 25, 2015 by Rach*

**biology-microscope**

1. should the aperture diaphragm be adjusted to its most open or its least open setting, to begin? 2.where should the stage be set when you first observe the specimen, using the low power objective lens?
*Friday, September 25, 2015 by Anonymous*

**calculus**

Find the point on the curve y =2/3 〖√(18-x^2 )〗 (first quadrant) where a tangent line may be drawn so that the area of the triangle formed by the tangent line and the coordinate axes is a minimum.
*Friday, September 25, 2015 by Anonymous*

**P6 maths **

40% of Amy's stamps is equal to 75% of Mary's stamps. After Mary has given 25% of her stamps away , Amy has 90 more stamps than Mary. Find the total number of stamps they have at first
*Friday, September 25, 2015 by Jane*

**Physics **

In 1939 or 1940, Emanuel Zacchini took his human-cannonball act to an extreme: After being shot from a cannon, he soared over three Ferris wheels and into a net (see the figure). Assume that he is launched with a speed of 29 m/s and at an angle of 59°. (a) Treating him as ...
*Friday, September 25, 2015 by barich*

**Physics**

An incline is divided into 6 equal lengths. Starting from rest a ball accelerates down the incline. It takes 0.21 seconds to reach the first tape marker, a distance of 0.15 meter.
*Friday, September 25, 2015 by Sarah*

**English**

Posted by rfvv on Sunday, April 10, 2011 at 9:51pm. He asked me a question. He asked a question of me. He begged me a question. He begged a question of me. He inquired me a question. He inquired me of a question. (Are the pairs all correct and interchangable? Doe they have the...
*Thursday, September 24, 2015 by rfvv*

**biology**

Which of the following is the key factor driving cellular differentiation in the body? a. chemical gradients in the cellular environment b. expression of genetic coding c. rate of transcription d. cellular nutritional status c? confused cuz transcription is the first step in ...
*Thursday, September 24, 2015 by help please*

**math**

Assume you have a basket full of socks, which have the following properties: 6 of the socks have blue stripes 8 of the socks have red polka dots 16 of the socks have blue polka dots 10 of the socks have red stripes (a). If you take one sock out of the basket, what is the ...
*Thursday, September 24, 2015 by jordan*

**Math**

Sherry saved $1800 she earned at her summer job. She invested part of her money in a Treasury Bill at 5% and the balance in a Money Market fund which guaranteed a return of 10%. If she earned $165 on her investments in the first year, how much was invested at each rate?
*Thursday, September 24, 2015 by Karl*

**Physics?**

consider two solid cones made from a uniform material. The smaller cone is a ½ scale model of the bigger one. They are released from equal height, quickly reach their terminal velocities and fall in air until they hit the ground. Use scaling reasoning to predict which ...
*Thursday, September 24, 2015 by Jay*

**Physics **

A car, moving along a straight stretch of high- way, begins to accelerate at 0.014 m/s2. It takes the car 23.2 s to cover 1 km. How fast was the car going when it first began to accelerate? Answer in units of m/s.
*Thursday, September 24, 2015 by Bob*

**Learning Behaviors**

describe the temporal pattern of a typical emotional response, occording to the opponet process theory of solomon and corbit.use this theory to account for the different reactions experienced by a first time drug user and an experienced drug user providing two supporting facts...
*Thursday, September 24, 2015 by Sabxo*

**kumasi polytechnic**

In A.P the difference between the 8th term and 4th term is 20,and the 8th term is one and half times the 4th term.Find the common difference, and the first term.
*Thursday, September 24, 2015 by adjei*

**biology**

Which of the following is the key factor driving cellular differentiation in the body? a. chemical gradients in the cellular environment b. expression of genetic coding c. rate of transcription d. cellular nutritional status c? confused cuz transcription is the first step in ...
*Thursday, September 24, 2015 by SOS*

**BIO 12**

BIO 12 DNA DOUBLE HELIX. Hi, I'm having troubles understanding the following question(s) and was wondering if anyone could give me a hand? Original DNA Double Helix: TACGGGATACCGCCGTTCACACGT ( Starting From Left; Position #1 would be between the first A and T, Position #2 ...
*Thursday, September 24, 2015 by Stephanie*

**Chemistry **

Separation of a mixture Lab - SiO2, NaCl, NH4Cl So step #7 was: Carefully pour off (decant) the liquid into the second evaporation dish, Adding deionized water in small amounts to the first dish and to stir it, and pour the liquid again into the second dish. Repeating it. The ...
*Wednesday, September 23, 2015 by Abby*

**Physics**

consider two solid cones made from a uniform material. The smaller cone is a ½ scale model of the bigger one. They are released from equal height, quickly reach their terminal velocities and fall in air until they hit the ground. Use scaling reasoning to predict which ...
*Wednesday, September 23, 2015 by Jason*

**Physics(which cone will land first)**

consider two solid cones made from a uniform material. The smaller cone is a ½ scale model of the bigger one. They are released from equal height, quickly reach their terminal velocities and fall in air until they hit the ground. Use scaling reasoning to predict which ...
*Wednesday, September 23, 2015 by Jason*

**Algebra **

A type of plant is introduced into an ecosystem and quickly begins to take over. A scientist counts the number of plants after m months and develops the equation p(m)=19.3(1.089) raised to m, to model the situation. Most recently, the scientist counted 138 plants. Assuming ...
*Wednesday, September 23, 2015 by Lina*

**Math**

Paul was given this math problem on a test to simplify: 1/4 + (5/8 + 1/2). after calculating, Paul mistakenly simplified to 9/32 as his final answer In which step did Paul make his first error? Show your work! My work Paul's work 1/4 /9/8 1/4 /(5/8 + 4/8) 1/4 x 8/9 1/4 + 8...
*Wednesday, September 23, 2015 by Steve B*

**Physics**

A descent vehicle landing on the moon has a vertical velocity toward the surface of the moon of 34.1 m/s. At the same time, it has a horizontal velocity of 51.1 m/s. At what speed does the vehicle move along its descent path? 1.Answer in units of m/s. 2.At what angle with the ...
*Wednesday, September 23, 2015 by Brandon*

**math **

find X if the numbers X+3, 5x-3, and 7x+3 are three consecutive terms of a G.P of positive terms. with this value X and given the X+3, 5x -3 and 7x +3 are the third, fourth and fifth terms of the G.P.. find the sum of the first 8 terms of the progression.
*Wednesday, September 23, 2015 by mili *

**math**

You decide you will buy a stock only if it shows an overall increase over the next 30 days. The first 10 days it has an average daily increase of $0.30. The next 10 days it has an average daily decrease of $0.45. The last 10 days it has an average daily increase of $0.25. Will...
*Wednesday, September 23, 2015 by SE*