Sunday

October 4, 2015
**Early Childhood Education**

Lesson Plan for 3 year olds: See If I am doing it correctly. Goal: To teach how to recognize the first and last letter of their names. Objective: The children will identify and name the first and last letter of their names. Standards Include: Georgia Early Learning Guidelines...
*Sunday, March 15, 2015 by Barbara *

**math**

How do I write one equations in slope-intercept form, and three other lines in slope-intercept form that are perpendicular to the first line ?? Please Help, Thank you =)
*Sunday, March 15, 2015 by may*

**math**

Asha, Nangila and Cherop contributed shilling 60,000,shilling 85,000 and shilling 105 000 respectively. They agreed to put 25% of the profit back into business each year. They also agreed to put aside 40% of the remaining profit to cater for taxes and insurance. The rest of ...
*Sunday, March 15, 2015 by kudu*

**Science**

fus = 12.5 and vap = 93.2 both j/k x mol Determine the entropy change when 7.30 mol of HCL(g) condenses at atmospheric pressure. my first answer was -91.3 but it keeps telling me that is incorrect and that delta Svap if scaled at 1.00 mol but needs to be scaled to 7.30 mol ...
*Saturday, March 14, 2015 by Talaya*

**chemistry**

the wave length of the first line of the Lyman series of hydrogen is identical to the second line of the Balmer series for some hydrogen like ion 'X'.Identify the ion.
*Saturday, March 14, 2015 by babai*

**Algebra**

This is for a project for Beginning Algebra at Great Bridge Middle School 8th grade class. Here's the questions: The number of companies offering cell phone service has grown rapidly in recent years. The plans they offer vary greatly and it can be difficult to select the ...
*Saturday, March 14, 2015 by Connie*

**Physics**

Hi, can anybody provide some hints in how to approach these questions? I've been stuck on it for days!!! Thank you in advance!! Nodes of a Standing Wave: Consider a standing wave, where y represents the transverse displacement of a string that extends along the x direction...
*Saturday, March 14, 2015 by Tommy*

**Physics**

two cars start from rest and begin accerlating, one at 10m/s^2 and the other at 12m/s^2. how long will it take for the second car to be 100m ahead of the first car
*Friday, March 13, 2015 by Yes*

**Chemistry**

Rolaids is an over the counter remedy for upset stomachs that functions by reacting with stomach acid. The active ingredients are calcium carbonate (550 mg) and magnesium hydroxide (110 mg). The inactive ingredients are dextrose, flavoring, magnesium stearate, polyethylene ...
*Friday, March 13, 2015 by Jen24*

**Math**

1. The fourth and seventh terms of a geometric sequence are 6 and 384, respectively. What is the common ratio and the sixth term of the sequence? 2. The fifth and eight terms of a geometric sequence of real numbers are 7! and 8! respectively. What is the first term?
*Friday, March 13, 2015 by Penny*

**Steve - Stat**

A Bacteria has a doubling period of 8 days. If there are 2250 bacteria present now, how many will there be in 33 days? find the growth rate (Round this to 4 decimal places). Growth Rate___________. There will be _________ Bacteria. The growth rate you posted is showing up as ...
*Friday, March 13, 2015 by Bobbie*

**science**

A charge of +9.0 nC and a charge of +4.0 nC are separated by 50.0 cm. Find the equilibrium position for a −1.0 nC charge as a distance from the first charge. The Coulomb charge is 8.98755 × 109 N · m2 /C 2 . Answer in units of cm.
*Friday, March 13, 2015 by Julia*

**Social Studies **

CCA User 2) The only native american's who successfully stayed on their land were the? A)Seminole*** B)Sauk C)Cherokee D)Fox 5)The first college in the United States to admit women and African Americans? A)Mount Holyoke B)Ashmun Institute C)Oberlin college of Ohio D)...
*Friday, March 13, 2015 by Kailli*

**english check answers **

You have taken me prisoner with all my warriors. I am much grieved, for I expected, if I did not defeat you, to hold out much longer, and give you more trouble before I surrendered. I tried hard to bring you into ambush, but your last general understands Indian fighting. The ...
*Friday, March 13, 2015 by jimm*

**checking my answers.**

In the winter of 1976, when I was only four years old, my family moved into a modest home in a growing Greenville neighborhood. Upon a slope on one side of the house, stood a dozen tree sprigs looking rather bald and barren. By springtime, however, the little trees began ...
*Thursday, March 12, 2015 by Laura*

**Science - 7th grade (repost)**

Can you check my homework? 38. How does natural selection lead to evolution? a. Organisms mutate to adapt to their environment. b. Helpful traits accumulate among surviving members of the species. c. Overproduction provides food for stronger members of the species. d. ...
*Thursday, March 12, 2015 by Alexis*

**English**

It was a night to remember. Marian Anderson was one my favorite singers. Her rendition of the song “Were You There” ran through my head as we walked toward the Metropolitan Opera House. Of course, I listened to the radio when she sang at the Lincoln Memorial in ’...
*Thursday, March 12, 2015 by Xavier*

**Art**

What twenty-first century technology has allowed artists to reproduce a hard copy of two-dimensional work such as a painting cheaply and quickly? A. Printer B. Camera C. Computer D. Internet Is the answer A? Thank you for the help.
*Thursday, March 12, 2015 by Anonymous*

**English*Checking Answers***

Hello, can someone check my english answers? The story: You have taken me prisoner with all my warriors. I am much grieved, for I expected, if I did not defeat you, to hold out much longer, and give you more trouble before I surrendered. I tried hard to bring you into ambush, ...
*Thursday, March 12, 2015 by Hannah*

**Art**

The picture is: Valley of the Shadow of Death its the first picture in google search. How does Roger Fenton use visual composition in Valley of the Shadow of Death to depict the loss of war? A. Cannonballs in a barren landscape hint at powerful destruction. B. Cannonballs are ...
*Thursday, March 12, 2015 by Anonymous*

**Science - 7th grade**

Can you check my homework? (don't think I'd posted before) 38. How does natural selection lead to evolution? a. Organisms mutate to adapt to their environment. b. Helpful traits accumulate among surviving members of the species. c. Overproduction provides food for ...
*Thursday, March 12, 2015 by Alexis*

**Chemistry **

A pH = 7.6 buffer is needed in the lab. This buffer is made by first dissolving 17.42 g K2HPO4 in 600 mL of water. What is the pH of this salt solution? This solution of course will be too basic becuase we only have the base of the buffer present. What must the value of the ...
*Thursday, March 12, 2015 by Carl *

**Computer Science**

You try to run the CHKDSK utility from a command prompt but you keep getting an error message that you need to run it in Elevated Mode. How do you correct this? Reboot the computer in SAFE Mode and then run CHKDSK from a command prompt. Open command prompt from the Windows ...
*Thursday, March 12, 2015 by Ally*

**english confused **

ive read this story over five times and still dont really get the meaning of bia's dream help plzz RED MESA, Arizona (Achieve3000, July 21, 2007). Although she grew up as a Diné, the term Navajo members use to describe their nation, young Andrethia Bia measured her ...
*Thursday, March 12, 2015 by jimm*

**Physics**

Assume you have a rocket that requires a change in velocity of DeltaV=9.6km/s . There are two options for the propulsion system --- 1. chemical and 2. electric --- each with a different specific impulse. Using the setting of g0 =9.81m/s^2 to calculate the propellant fraction ...
*Thursday, March 12, 2015 by Janet *

**Physics **

Assume you have a rocket that requires a change in velocity of ¦¤V¡Ö9.6km/s . There are two options for the propulsion system --- 1. chemical and 2. electric --- each with a different specific impulse. Using the setting of g 0 =9.81m/s^2 to calculate ...
*Thursday, March 12, 2015 by Janet *

**Social Studies**

which of the following was a change made to transportation during the 1920 A Airplanes were invented and used for the first time.***** B Railroads were introduced, making it easier to ship goods c The first canals between waterways were built d Installment plans offered by car...
*Thursday, March 12, 2015 by BUBBLES*

**english **

Put the events in chronological order: (Points : 5) Potential Matches: 1 : FIRST 2 : FOURTH 3 : SECOND 4 : THIRD 5 : FIFTH Answer : Anne receives her diary on her 13th birthday. : Margot gets a call up to report to a German concentration camp. : The Frank family go into hiding...
*Thursday, March 12, 2015 by kingtut*

**Physics**

A body of mass m is suspended from a spring with spring constant k and the spring is stretched 0.1. If two identical bodies of mass m/2 are suspended from a spring with the same spring constant k, how much will the spring stretch? Explain your answer. The first case is when ...
*Thursday, March 12, 2015 by Justin*

**Chemistry help please**

You have two sealed jars of water at the same temperature. In the first jar there is a large amount of water. In the second jar there is a small amount of water. how the vapor pressure of water in the first jar compares with the vapor pressure of water in the second jar.
*Wednesday, March 11, 2015 by Ciaria *

**Pre-Calculus**

One walker was sponsored $100 plus $5 for the first kilometre, $10 for the second kilometre, $15 for the third kilometre, and so on. How far would this walker need to walk to earn $150? (I know it is 4 km, but I can't figure out how to write the general term.)
*Wednesday, March 11, 2015 by Lucina*

**Science - 7th grade**

Can you check the following? Experiment A: Four groups of rats are first massed and then fed identical diets except for the amount of vitamin A they receive. Each group gets a different amount. After three weeks on the diet, the rats’ masses are measured again to see if ...
*Wednesday, March 11, 2015 by Alexis*

**CHEMISTRY HELPPPP!!!!!!!!!**

Consider the decomposition of NH3 (g). 2 NH3 (g) → N2 (g) + 3 H2 (g) The reaction is catalyzed on a surface of either tungsten or osmium. The activation energies for the catalyzed and uncatalyzed reactions are given below. W Ea = 163 kJ/mol Os Ea = 197 kJ/mol No catalyst...
*Wednesday, March 11, 2015 by anon*

**SOCIAL STDIES HELP!!!!!**

A case in which a group or individual claims that another group or individual has done them wrong is called a(n) (1 point) trial case. civil case. criminal case. appellate case.*** Which court has jurisdiction over death penalty cases in Georgia? (1 point) state court juvenile...
*Wednesday, March 11, 2015 by XenaGonzalez*

**Math - 7th grade**

Can you check following? 1. The football association wants to increase the number of students who attend the football games for the upcoming season. In order to accomplish this, the association is surveying students to gain more information about student interest in sports. ...
*Wednesday, March 11, 2015 by Alexis*

**social studies 8th**

1. Which is an example of checks and balances? (1 point) The constitution contains a bill of rights that details the basic rights of the state’s citizens. The constitution clearly outlines voting requirements and the qualifications for holding public office. The ...
*Wednesday, March 11, 2015 by XenaGonzalez*

**Chemistry**

You have two sealed jars of water at the same temperature. In the first jar there is a large amount of water. In the second jar there is a small amount of water. how does the vapor pressure of water in the first jar compares with the vapor pressure of water in the second jar.
*Wednesday, March 11, 2015 by Ciaria *

**Ap physics**

Rotational Motion/Torque The question says that "A 60.0kg painter is on a uniform 25 kg scaffold supported from above by ropes. There is a 5.0 kg pail of paint to one side, as shown. How far from the left end of the scaffold should the painter stand such that the right ...
*Wednesday, March 11, 2015 by Kayla*

**Math **

SAME THING AS FIRST ONE Mr Russo has 2856 raffle tickets that he will distribute evenly to some of his neighbors. he wants to give the tickets to at least 3 neighbors but no more than 10 neighbors. to how many neighbors can he give raffle tickets so there are none left over? ...
*Wednesday, March 11, 2015 by Bro *

**Algebra please explain!!!**

A boat costs $92,000 and depreciates in value by 15% per year. How much will the boat be worth after 10 years? 18,112.45 78,200 18,941.98 69,000 Is the answer the first one? Could somebody write down the steps for me please? Pleas help asap! Thanks
*Wednesday, March 11, 2015 by SkatingDJ*

**Algebra please explain**

A boat costs $92,000 and depreciates in value by 15% per year. How much will the boat be worth after 10 years? 18,112.45 78,200 18,941.98 69,000 Is the answer the first one? Could somebody write down the steps for me please? Thanks
*Wednesday, March 11, 2015 by SkatingDJ*

**MATHS**

Please help - In a stationery shop, there were pens, erasers and rulers. There were thrice as many pens as erasers and thrice as many erasers as rulers at first.After the shop keeper sold 6 rulers and some erasers there were thrice as many pens as erasers but 4 times as many ...
*Wednesday, March 11, 2015 by SARAH*

**maths**

Need help on this, Please : there was a total of 1134 durians, papayas and apples in a basket. when 25% of the durians and 96 papayas were taken out and 252 more apples were put in basket, there were an equal number of the three types of fruits, How many of each type of fruit ...
*Wednesday, March 11, 2015 by SARAH*

**L.A.**

1. Which of the following sentences uses a predicate noun? A. When you leave, I will feel sad. B. My sister is their most valuable player. C. Their most valuable player is she. D. I will be saddened when you leave. 2. Which of the following sentences use a predicate adjective...
*Wednesday, March 11, 2015 by hello*

**language arts**

WEDNESDAY March 11, 2015 SCHOOL SUBJECTS Art Business Computers English Foreign Languages Health Home Economics Math Music Physical Education Science Social Studies GRADE LEVELS Preschool Kindergarten Elementary School 1st Grade 2nd Grade 3rd Grade 4th Grade 5th Grade 6th ...
*Wednesday, March 11, 2015 by hello*

**Art**

The United States supreme Courts architectural design symbolizes what values that are also shared with Greek culture? A. resistance and persistence B. creativity and love C. tranquility and peace D. balance and justice I feel like it's D or B 2.Realists reached to the ...
*Wednesday, March 11, 2015 by Anonymous *

**math**

Robert is replacing sod in two square-shaped areas of his backyard. One side of the first area is 7.5 feet. One side of the other area is 5.7 feet. The sod costs 'y' dollars per square foot. A)Write an expression to show how much Robert will spend on sod. B)If the sod ...
*Tuesday, March 10, 2015 by Sam*

**math**

If you have 100 numbers (1 - 100, including 1 and 100) and you choose 2 of them then do the formula x + y + xy (x being the first number and y being the second) and you replace the 2 numbers chosen with that new number, what are the last possible values for the last number? ...
*Tuesday, March 10, 2015 by Dennis*

**World History**

Regarding Indonesia, which of the following statements is false? A. Indonesia was formerly the British East Indies. B. The first head of Indonesia was Sukarno. C. The first leader of Indonesia was Suharto. D. Indonesia was formerly the Netherlands East Indies. D?
*Tuesday, March 10, 2015 by Dave*

**Stats**

Four diners have ordered a platter of desserts. The platter holds 8 chocolate chip cookies and 4 slices of chocolate cheesecake. The waiter gives each diner a randomly selected dessert. Let Y = the number of slices of cheesecake left on the platter after the first serving. The...
*Tuesday, March 10, 2015 by Anonymous*

**Civics**

11. The purpose of the petition sent to King George III by the First Continental Congress was to A. request a place in Parliament for colonial delegates. B. request that the king consider granting independence to the established colonies. C. ...
*Tuesday, March 10, 2015 by Sarah *

**Civics**

8. Which one of the following provisions was part of the first draft of the Articles of Confederation submitted to the Second Continental Congress? A. Appointment of George Washington as commander of the Continental Army B. Limited and restricted ...
*Tuesday, March 10, 2015 by Sarah *

**math**

In a geometric sequence, the sum to infinity is 1.5 and the sum of the first three terms is 14/9. Determine the sequence.
*Tuesday, March 10, 2015 by Thabang*

**Civics**

8. Which one of the following provisions was part of the first draft of the Articles of Confederation submitted to the Second Continental Congress? A. Appointment of George Washington as commander of the Continental Army B. Limited and restricted ...
*Tuesday, March 10, 2015 by Sarah *

**Arithmetic Progressions **

The second term of an arithmetic progression I four times the fits term, and the first term is ten. Find the common difference and hence find the sum of the first 12 terms.
*Tuesday, March 10, 2015 by Steph*

**maths**

If a car travels first 100 kms by 40 km per hour speed and next 200 kms by 60 km per hour speed,then what is the average speed.
*Tuesday, March 10, 2015 by ram*

**History**

1. The Spanish brought the first cattle to America in the 1400s. 1500s.* 1600s. 1700s. 2. Expansion of the railroads after the Civil War made it easier for Texas ranchers to get their herds to stockyards in St. Louis and Sedalia. Dodge City and Abilene. Chicago and Sedalia.* ...
*Tuesday, March 10, 2015 by SmartyPants*

**Algebra 2**

I need steps on how to complete this please i am so confused and lost. :( Consider the infinite geometric series x e n=1 -4(1/3) n-1. In this image, the lower limit of the summation notation is "n=1". a. Write the first four terms of the series. b. Does the series ...
*Tuesday, March 10, 2015 by Sammy*

**Elective mathematics**

The first three terms of a GP are k-3,2k-4,4k-3 in that order .find the valve of k and the first 8 terms
*Tuesday, March 10, 2015 by Anonymous*

**english **

Fire from the Rock is a great book that I would definitely recommend to others. It is set in 1957 Little Rock, Arkansas, a city boiling over racial segregation. Black and white youths are hot blooded and hot tempered, and many adults fan these flames of anger and violence. The...
*Monday, March 9, 2015 by jimm*

**English**

Sorry, but what are some examples of these themes from A Raisin In The Sun. I tried to do some and don't know if they are right. I was also ask to find out what the rhetorical device for the examples of each theme represents. So please help me. 1. Values, ideals, and ...
*Monday, March 9, 2015 by Notafanofschool*

**geometry**

What contribution did Simon bolivar and Jose de San martin make to history of the region? A) They served as prominent criollo leaders B) They led the revolutions for Independence. C) They instituted the first Republican governments D) They abolished the slave trade. I think A
*Monday, March 9, 2015 by Gav*

**Vectors**

How would you write a vector equation for a line using parametric equations? For example: A line is defined by x=-2-t and y=4+2t,teR. a) Write a vector equation for this line using parametric equations. b) write a second vector equation different from the first
*Monday, March 9, 2015 by Sara*

**MATH!!! NEED HELP FAST!!!**

which of the following types of information is NOT suited for display on a double bar graph? A. populations of boys and girls at three different schools B. number of records versus compact discs sold each week during a one month period at music den C. the weekly interest rate ...
*Monday, March 9, 2015 by kaytlin*

**Algebra Please!**

Posted by Thomas M on Monday, March 9, 2015 at 4:12am. I am working wth a cell phone performance task project. I have to determine which three cell phones are the best for a first time user and develop an equation for each of them. Wal-Mart has a plan for $30.00 a month with ....
*Monday, March 9, 2015 by Thomas M*

**Civics**

8. Which one of the following provisions was part of the first draft of the Articles of Confederation submitted to the Second Continental Congress? A. Appointment of George Washington as commander of the Continental Army B. Limited and restricted ...
*Monday, March 9, 2015 by Sarah *

**English**

What is one way that " the maori:genealogies and origins in New zealand" contrast with " the raven and the first men:the beginnings of the haida?
*Monday, March 9, 2015 by elijah*

**Algebra**

What are the first four terms of an arithmetic sequence if the common difference is 1.5 and the first term is 15? 15,30,45,60 15,16.5,18,19.5 15,22.5,33.75,50.625 none of the above What are the first four terms of a geometric sequence if the common ratio is 10 and the first ...
*Monday, March 9, 2015 by Jeff*

**math/econs**

determine the first derivative of:Y=3+10X+5X2
*Monday, March 9, 2015 by Anonymous*

**Algebra ASAP**

I a working wth a cell phone performance task project. I have to determine which three cell phones are the best for a first time user and develop an equation for each of them. Wal-Mart has a plan for $30.00 a month with .29 per minute. It includes a $70.00 phone with a rebate ...
*Monday, March 9, 2015 by Thomas M*

**pre calcuclus**

find the first five terms of {2n/3 n+1} a1=-2 an+3an-1?
*Monday, March 9, 2015 by leslie *

**Physics - Mini Lab**

The reason I didn't do this was because I was gone the day they did this at school. And the teacher said I couldn't do it at school. So I need help and my teacher is a jerk, so I have no idea what to do. Please help me. I really need a good grade in this class. Please...
*Sunday, March 8, 2015 by Marisa*

**Physics**

Newton's first law of motion states that an object in motion will continue to move at constant speed in a straight line. Only an outside force can change the speed or direction. If the object is at rest, it will remain at rest, unless an outside force is exerted on it. ...
*Sunday, March 8, 2015 by Marisa*

**physics**

A physics student pulls a block of mass m = 20 kg up an incline at a slow constant velocity for a distance of d = 4.5 m. The incline makes an angle Δ = 30° with the horizontal. The coefficient of kinetic friction between the block and the inclined plane is µk = ...
*Sunday, March 8, 2015 by sunny*

**learning skills**

According to the text, why should teachers of young children share science activities with parents? A. Everybody should know the facts of science. B. Parents want to learn science. C. Science relates to all aspects of a child's life. D. Parents are their children's ...
*Sunday, March 8, 2015 by Eva*

**5th grade Science**

A plastic boat has a mass of 3600g and a volume of 1200cm cubed; what is the density? I figured out the answer to this first ? is 3g/cm cubed I need help with Does the boat float in water? Why or Why not?
*Sunday, March 8, 2015 by Dominic*

**geography**

what are the types of trees and and main location of different forestry industries ( i.e lumber or pulp/paper) I think i know the first q. Is it deciduous and coniferous but i think have to expand it a bit. I dont know the types of conferious and deciduous trees.
*Sunday, March 8, 2015 by Th*

**Math Ms.Sue **

1 Henry spends the day at a ski resort. The total trip riding up the main chair lift and skiing down his favorite trail takes 40 to 50 minutes, depending on whether Henry takes a rest along the trail. He gets on the first chair lift at 8:00 am, he takes a one-hour lunch break ...
*Sunday, March 8, 2015 by SmartyPants*

**Math Help From Anybody**

1 Henry spends the day at a ski resort. The total trip riding up the main chair lift and skiing down his favorite trail takes 40 to 50 minutes, depending on whether Henry takes a rest along the trail. He gets on the first chair lift at 8:00 am, he takes a one-hour lunch break...
*Sunday, March 8, 2015 by SmartyPants*

**Math Please Help Me**

Henry spends the day at a ski resort. The total trip riding up the main chair lift and skiing down his favorite trail takes 40 to 50 minutes, depending on whether Henry takes a rest along the trail. He gets on the first chair lift at 8:00 am, he takes a onehour lunch ...
*Sunday, March 8, 2015 by SmartyPants*

**addmath A.P.**

An arithmetic progression has 8terms.The sum of all 8terms is 180 and the sum of all odd terms is 80. Calculate (a)the first term and common difference (b)the last term
*Sunday, March 8, 2015 by mandy*

**ap physics**

A beam resting on two pivots has a length of L = 6.00 m and mass M = 87.0 kg. The pivot under the left end exerts a normal force n1 on the beam, and the second pivot placed a distance ℓ = 4.00 m from the left end exerts a normal force n2. A woman of mass m = 54.0 kg ...
*Sunday, March 8, 2015 by amar *

**art**

A piece of japanese armor was once used to protect the heads of soildiers this work has since been replaced by twenty-first century fighting gear but the original armor is on in a museum this change over time is a example of
*Saturday, March 7, 2015 by rome*

**Physics**

A 0.2 kg ball moves to the right with a speed of 3 m/s. It hits a 0.5 kg ball that at rest. After collision, the second ball moves to the right with a speed of 1 m/s. What is the speed of the first ball after collision?
*Saturday, March 7, 2015 by Please help*

**addmath A.P.**

Tn=3n-2 Find the first term,a;the common difference,d;and then find the 5th term.
*Saturday, March 7, 2015 by mandy*

**math**

Give that x is angle in the first quadrant such that 8sin 2x + 2cosx – 5 = 0 Find: cosx tanx
*Saturday, March 7, 2015 by kudu*

**Computer Science**

For this task you will create a program that prints out a user-specified string. Then, on the next line, it prints out the string again, all except the last character. It continues printing the string with one less character on each line, until the last line has only the first...
*Saturday, March 7, 2015 by Science Java*

**physics**

A billiard ball moving at 4.0 m/s strikes a pair of billiard ball at rest. One of the ball moves off at 2.0 m/s in a direction 60 degrees from the line of motion of the first ball and the other moves off at 3.0 m/s in a direction 30 degrees from the line of the first ball on ...
*Saturday, March 7, 2015 by kezuya*

**statistics**

Suppose IQ scores were obtained from randomly selected twins. For 20 such pairs of people, the linear correlation coefficient is 0.876 and the regression line is y-hat = 11,76 + 0.89x, where x represents the IQ score of the twin born second. Also,the 20x values have a mean of ...
*Saturday, March 7, 2015 by slomomo*

**Math**

Find the first five terms: a sub 1 = 4 and a sub n = 0.5a sub (n - 1) + 1 Are they 3, 2.5, 2.25, 2.125, and 2.0625?
*Saturday, March 7, 2015 by Anonymous*

**math/statistics**

The data show the time intervals after an eruption (to the next eruption) of a certain geyser. Find the regression equation,letting the first variable be the independent (x) variable. Find the best predicated time of the interval after an eruption given that the current ...
*Friday, March 6, 2015 by slomomo*

**SAT Math**

9, 13, 17, 21, ... In the sequence above, each term after the first is 4 greater than the previous term. What is the difference between the 105th term and the 99th term? I have no idea how to solve this problem
*Friday, March 6, 2015 by Student*

**MaTH**

the school's track team ran the 220 relay in 7 minutes 46 seconds at their first track meet. The next meet, their time was 42 seconds shorter. At the next, their improvement was twice as great. What was their total running time at the last met?
*Friday, March 6, 2015 by Anonymous*

**Physics**

A person walks first at a constant speed of 4.50 m/s along a straight line from point circled A to point circled B and then back along the line from circled B to circled A at a constant speed of 2.95 m/s. What is her average speed over the entire trip? I got 3.7 but it says it...
*Friday, March 6, 2015 by Marcus James*

**Early childhood education**

Consider these two sentences from Michaela: A) Age 4 years: "I miss you, Nana!" (spoken over the phone to her grandmother who had returned home after a visit). B) Age 4 years, 6 months: "I'm going to miss you, Nana" (spoken in person to her grandmother ...
*Friday, March 6, 2015 by Barbara *

**math**

The third,sixth and seventh terms of a geometric progression(whose common ratio is neither 0 nor 1) are in arithmetic progression. Prove dat d sum of d first three is equal to d fourth term
*Friday, March 6, 2015 by toyinbo*

**Probability**

A binary communication system is used to send one of two messages: (i) message A is sent with probability 2/3, and consists of an infinite sequence of zeroes, (ii) message B is sent with probability 1/3, and consists of an infinite sequence of ones. The ith received bit is &#...
*Friday, March 6, 2015 by John*

**physics**

A disk of mass m is spinning freely at 6.22 rad/s when a second disk of identical mass, initially not spinning, is dropped on it so that their axes coincide. In a short time the two disks are corotating. (The two disks have the same radius.) (a) What is the angular speed of ...
*Friday, March 6, 2015 by alba*

**Science**

Henri bacquerels original hypothesis was that florescent minerals became excited by solar energy and gave off X-rays. However, after he discovered uranium minerals emitted their own radiation without the help of solar energy, he abandoned his hypothesis. Why did, Bacquerel ...
*Thursday, March 5, 2015 by Anonymous*

**Chemistry**

A .2688-g sample of a monoprotic acid neutralizes 16.4 mL of .08133 M kOH solution, calculate the molar mass of the solution? First of all how can I calculate the molar mass?
*Thursday, March 5, 2015 by Bob*