Friday

May 6, 2016
**Social Studies (Check, Please!)**

Will someone help me with the first two questions and then check the rest? 1. What were two causes and effects of the economic boom of the 1950s? A: ? 2. How did the television industry affect the U.S. economy? A: ? 3. Describe how and why the suburbs became popular places to...
*Wednesday, February 3, 2016 by Victoria*

**math**

Dree rolls a strike in 6 out of the 10 frames of bowling. What is the experimental probability that Dree will roll a strike in the first frame of the next game? Explain why a number cube would not be a good way to simulate this situation. THANKS!!
*Wednesday, February 3, 2016 by kimie*

**math**

In tennis, Gabby serves an ace, a ball that can't be returned, 4 out of the 10 times she serves. What is the experimental probability that Gabby will serve an ace in the first match of the next game? Make a prediction about how many aces Gabby will have for the next 40 ...
*Wednesday, February 3, 2016 by kimie*

**algebra**

a jewelry salesman can earn either a salary of$2500 a month or a salary of $1000 a month plus 10% of all sales. how much does he have to sell for the second choice to earn more than the first choice
*Wednesday, February 3, 2016 by Emmanuella*

**History**

i am an icon of hip hop culture and pivotal part of the mtv news team. i have been a staple of the music news arena for more than a decade. i gave eminem and notorious big their very first radio airplay in the mid 90s. i was key correspondent for mtv choose or lose campaign ...
*Wednesday, February 3, 2016 by John Doswell*

**Forensic science**

1.Some people believe that certain drugs such as marijuana should be legalized. Do you agree or disagree? What impact might legalization have on forensic science as a field? for the first one I think that marijuana should not be legalized because people can mistreat the drug. ...
*Wednesday, February 3, 2016 by anonymas*

**chemistry**

Using the following equation 2C2H2 + 5O2 -> 4CO2 + 2H2O what volume of oxygen would be needed to react with 89.6L of C2H2 at a temp of 273 and a pressure of 101.3 kpa. I can't seem to figure out my first step. Using PV=NRT should I do initial and final conditions? I ...
*Wednesday, February 3, 2016 by danielle*

**physic**

A ball is thrown straight upward and returns to the thrower's hand after 2.00 s in the air. A second ball thrown at an angle of 40.0° with the horizontal reaches the same maximum height as the first ball. (a) At what speed was the first ball thrown? m/s (b) At what ...
*Wednesday, February 3, 2016 by mark*

**Chemistry**

which element in the first transition series do not exhibit variation of oxidation state and why?
*Wednesday, February 3, 2016 by Ri*

**Physics**

Consider a plane with a velocity relative to the air of 195 m/s in a westerly direction. If the wind has a speed relative to the ground of 53 m/s (in an easterly direction), how long does it take for the plane to travel from one city to another that is due west of the first by...
*Wednesday, February 3, 2016 by Heather *

**maths**

Half of the sum of three times a number and an another number is twice the first number.
*Wednesday, February 3, 2016 by Harigovind. C.B.*

**singaporean math ratio**

Alex spent 3/7 of his money. He gave 1/4 of the remainder to his sister. He had 120 left. How much money had he at first?
*Wednesday, February 3, 2016 by Anonymous*

**Math**

a stadium has 75 rows starting with 200 seats in the first row. Each successive row has two additional seats. How many seats are in the 50th row?
*Wednesday, February 3, 2016 by Kylie *

**Reading**

Ernest Hemingway's first job was as a newspaper writer in Kansas, at the age of 17. He wrote about everything that happened at the local police station, the train station, and the hospital. Hemingway worked for the newspaper for six months. The Red Cross then hired him to ...
*Tuesday, February 2, 2016 by Helen*

**Reading**

His first fight was for his health and vigor. It all began at the age of nine. As a child, he was weak and thin because of his asthma. His father, the first Theodore, motivated him to fight his ill health. On the third floor of the house in New York where he was born, his ...
*Tuesday, February 2, 2016 by Helen*

**Algebra**

Laura wants the average amount of money she spends in four days to be no more than $64. On the first three days she spends $71, $62 and $59. What is the greatest amount she can spend on day 4?
*Tuesday, February 2, 2016 by Lisa *

**Social studies**

What was likely motivation to send colonists to Australia in the first place? To send members from the royal family to colonize Australia. To rid the country of convicts by sending to a faraway land. To send willing explorers financial incentives. All of above. (MY ANSWER) if ...
*Tuesday, February 2, 2016 by LOVE*

**accounting fundamental **

Explain which financial statement should be prepared first, second, third n fourth and why
*Tuesday, February 2, 2016 by jainel*

**maths**

1. What is the value of X in a triangle that has 110° and 30°: 70°, 80°, 90°? 2. A map scale is 1cm to 20km. What is the real distance between two places which are 0.5 apart on the map? 3. When a jeweller sold a ring for €150, he made a profit of 50%. ...
*Tuesday, February 2, 2016 by liam*

**History**

Which of the following statements is NOT correct about John F. Kennedy? A. He was the youngest elected president. B. He was the first president to be born in the twentieth century. C. He focused exclusively upon domestic matters rather than foreign affairs. D. He was ...
*Tuesday, February 2, 2016 by angela*

**Math **

Bett, Cathy, Isabel, Lani and Ursula run an 800-meter race. Betty beat Cathy by 7 meters. Alma finished 12 meters behind Lani. Bettty finished 5 meters ahead of Ursula but 3 meters behind Lani. Isabel finished halfway between the first and last person. In what order did they ...
*Tuesday, February 2, 2016 by Joe*

**Language**

On sweet plum blossoms The sun rises suddenly. Look a mountain path! Has spring come indeed? On that nameless mountain lie thin layers of min. Temple bells die out. The fragrant blossoms remain. A perfect evening! from details about blossom in both the first and third haika ,...
*Tuesday, February 2, 2016 by Meliza *

**financial market**

Annuity Present Values What is the present value of an annuity of $2,000 per year, with the first cash flow received three years from today and the last one received 22 years from today? Use a discount rate of 8 percent.
*Tuesday, February 2, 2016 by arifin*

**Technology **

How can you find out which study method is best for you? A. Use the method your friend is using because if it works for him it will work for you. B. Select the first method you try and do not try anything else C. Try to methods and select the one that seems best of the two ...
*Tuesday, February 2, 2016 by Meliza *

**algebra**

I am thinking of two numbers whose sum is 5. If I add the second number to twice the first number, I get 2. What are the two numbers
*Tuesday, February 2, 2016 by Robin*

**Language **

1 from details about blossom in both the first and third haika ,what conclusion can you draw a. the poet feels exeed ingly lonely b. the poet lives in an urbansetting c. the poet injoys the gentle beuty of nature d. the poet enjoys the drama of nature at it"s most intenes...
*Tuesday, February 2, 2016 by Meliza *

**Algebra **

a car rental company has two rates. The first rate is 45$ per day plus 29.5 cents per mile the second rare is 90$ per day plus 0.07 per mile. If you rented at the 90$ rate, how many miles you would need to drive to break even?
*Tuesday, February 2, 2016 by Mariam*

**algebra**

A motorist drove for 2 hours at one speed and then for 3 hours at another speed. He covered a distance of 252 km. If he had traveled 4 hours at the first speed and one hour at the second speed, he would have covered 244 km. Find the speeds.
*Tuesday, February 2, 2016 by sadi*

**Chemistry **

Using calculations, determine how you would make a 525 ml pg a 0.50 M solution of Cl- ions using CaCl2. I am unsure how to do this question, I was going to use C1V1=C2V2 but with this I would be missing the first part of the equation. If that is the case, would I assume the ...
*Tuesday, February 2, 2016 by Heather*

**Math**

A certain system can experience three different types of defects. Let Ai (i = 1,2,3) denote the event that the system has a defect of type i. probabilities are: P(A1) = 0.12 P(A2) = 0.07 P(A3) = 0.05 P(A1 union A2) = 0.13 P(A1 union A3) = 0.14 P(A2 union A3) = 0.10 P(A1 ...
*Tuesday, February 2, 2016 by McKinsley*

**Calculus**

1. Prove that (f(x+h)-f(x-h))/2=f'(x) 2. Prove that any parabola sastifies the equation (f(x+h)-f(x-h))/2=f'(x) For the first question, I tried to solve it but there is an extra h tacked on to one side. I have no clue what to do for the second question.
*Monday, February 1, 2016 by Andre*

**Physics please i really need help**

Suppose a car is traveling at +23.7 m/s, and the driver sees a traffic light turn red. After 0.427 s has elapsed (the reaction time), the driver applies the brakes, and the car decelerates at 9.00 m/s2. What is the stopping distance of the car, as measured from the point where...
*Monday, February 1, 2016 by Erica*

**ONE math question! Check please, thank you!**

6) 108 is 36% of what number? Write and solve a proportion to solve the problem. Step 1. First, I will write the proportion to find the missing value, which I will replace it with n. 108/n = 36/100 Step 2. Next, I will write the cross products. So, 36n = 108 x 100 = 10,800 ...
*Monday, February 1, 2016 by Lizzie*

**Math**

Bett, Cathy, Isabel, Lani and Ursua run an 800-meter race. Betty beat Cathy by meters. Alma finished 12 meters behind Lani. Bettty finished 5 meters ahead of Ursula but 3 meters behind Lani. Isabel finished halfway between the first and last person. In what order did they ...
*Monday, February 1, 2016 by Jjay*

**Language **

which statement describes the translation form of a haiku poem? A. A three line poem with seven syllables in the first and third lines and five syllables in the middle line.•• B. A nine line poem with five syllable in odd numbered lines and seven syllables in even ...
*Monday, February 1, 2016 by Vanessa*

**math**

A 40 foot long escalator rises from the first floor to the second of a shopping mall. The escalator makes a 30 degree angle with the horizontal. How high above the first floor is the second floor?
*Monday, February 1, 2016 by Anonymous*

**Math - Another question to check, sorry... =/**

7. 72 is what percent of 480? Write and solve an equation to solve the problem. Step 1. First, I will write out the equation. part = percent x whole Step 2. Now, fill in the parts… 72 = p x 480 Step 3. I will simply divide 72 by 480, which will be 0.15. Step 4. The ...
*Monday, February 1, 2016 by Lizzie*

**Math - is this correct?**

1. Estimate a 15% tip on a taxi ride that costs $23.25. I will first round the cost to the nearest dollar. $23.25 ≈ $23.00 I will now use mental math to find 10% of the cost. $23.00 x 0.1= 2.3 5% is 1/2 of 10%, so it would be $1.15. Finally, I will add the values to get ...
*Monday, February 1, 2016 by Lizzie*

**Grade 5 math**

Sidney flew in an airplane five times during her vacation.The flights averaged 2 hours 8 minutes long.The lengths of her first four flights were 2 hours 10 minutes,3 hours 20 mins,1 hours 15 minutesand 2hours 40 minutes.What was the length of her last flight
*Monday, February 1, 2016 by Jack*

**math **

The first and second terms of an exponential sequence (G.P) are respectively the first and third terms of a linear sequence (A.P). The fourth term of the linear sequence is 10 and sum of its first five terms is 60. find (a) the first five terms of the linear sequence and the ...
*Monday, February 1, 2016 by Majors *

**Math**

Sidney flew in an airplane five times during her vacation.The flights averaged 2 hours 8 minutes long.The lengths of her first four flights were 2 hours 10 minutes,3 hours 20 mins,1 hours 15 minutesand 2hours 40 minutes.What was the length of her last flight?
*Monday, February 1, 2016 by Anonymous*

**English **

Identify the choice that best describes the underlined word. 1.) Masako took Jonah's woolen hat by mistake, thinking it was **hers** a.) First-person pronoun b.) Second-person pronoun c.) reflexive pronoun d.) posessive pronoun D. 2.) The children went to look for their ...
*Monday, February 1, 2016 by Whats good fam*

**Finance**

Celeste just borrowed 47,500 dollars. She plans to repay this loan by making equal quarterly payments of 3,126.28 dollars for 19 quarters. If she makes her first quarterly payment later today, then what is the quarterly interest rate on the loan?
*Monday, February 1, 2016 by Dave*

**maths**

the sum of the first nine terms of an arithmetic sequence 216. The 1st, 3rd and 7th terms form the first three terms of a geometric sequence therefore find the common difference
*Monday, February 1, 2016 by Anonymous*

**maths**

the sum of 3 numbers is 81 the second number is twice the first and the third number is 6times more than the second. Find the number.
*Monday, February 1, 2016 by faith*

**math**

How many five digit numbers can be formed for the set { 0,1,2,3,4,5,6,7,8,9} if zero cannot be the first digit and the given condition for each is to be satisfied? A. Repetitions are allowed and the number must be even. B. Repetitions are allowed and number must be divisible ...
*Monday, February 1, 2016 by Anonymous*

**Health and social Care**

What is the meaning of Promoting choice and an example of how this empowers service users? And why is it important to take individual circumstances into consideration when planning care that will empower service users? ( in a nail painting activity; link back to first question...
*Sunday, January 31, 2016 by Jane*

**MATH**

A TAXI CAB COST $1.25 FOR THE FIRST MILE AND $.25 FOR EACH ADDDITIONAL MILE. how many miles can be traveled in the taxi for $8.00? M= number of miles traveled.
*Sunday, January 31, 2016 by MACK*

**PHY 231**

Mass m1 = 11.3 kg is on a horizontal surface. Mass m2 = 5.70 kg hangs freely on a rope which is attached to the first mass. The coefficient of static friction between m1 and the horizontal surface is μs = 0.573, while the coefficient of kinetic friction is μk = 0.130...
*Sunday, January 31, 2016 by Andrea*

**QMB**

Two training classes took a test and the results were marked on the scale zero to one hundred. The first group got an average score of 75, with the standard deviation of 8. The second group got an average of 65, with the standard deviation of 4. How do these two groups compare?
*Sunday, January 31, 2016 by Anonymous*

**Quantitative methods**

Two training classes took a test and the results were marked on the scale zero to one hundred. The first group got an average score of 75, with the standard deviation of 8. The second group got an average of 65, with the standard deviation of 4. How do these two groups compare?
*Sunday, January 31, 2016 by Anonymous*

**Physics**

I'm preparing for a test. Can anyone check my answer for all these questions? These are my questions: 1. A stationary curling stone is struck in a glancing collision by a second curling stone of equal mass. If the first stone moves away at a velocity of 0.92 m/s [N71oW] ...
*Sunday, January 31, 2016 by Matt Damon*

**Social Studies (Check, Please!)**

1. In what ways did the Taft-Hartly Act hurt labor unions? A: The Taft-Hartley Act hurt labor unions in many ways. First, it outlawed the closed shop, of the practice of forcing business owners to hire only union members. Secondly, it outlawed Union shops (shops in which new ...
*Saturday, January 30, 2016 by Victoria*

**History**

What colonial body created the declaration of independence? A.)The first Contential Congress B.) 2nd Contential Congress C.)Colonial Assembly D.) The Constitutional Convention
*Saturday, January 30, 2016 by Anonymous*

**Math**

The second flight of stairs is two times as high as the first flight of stairs. Together they are 60 feet high, how high is the first flight of stairs.
*Saturday, January 30, 2016 by Nene*

**math- HELP!**

The Fibonacci sequence was first discovered during a study of rabbits. If newborn rabbits become adults in one month, each pair of adult rabbits produces one pair each month, and no rabbits die, then how many pairs of rabbits would be produced after seven months? How many ...
*Saturday, January 30, 2016 by Ellie*

**math**

An arithmetic progression has 2 as its first term. find its common difference if the sum of 33 terms is equal to six times the sum of 13 terms
*Saturday, January 30, 2016 by greatmam*

**Physics**

I'm preparing for a test. Can anyone check my answer for all these questions? These are my questions: 1. A stationary curling stone is struck in a glancing collision by a second curling stone of equal mass. If the first stone moves away at a velocity of 0.92 m/s [N71oW] ...
*Saturday, January 30, 2016 by KevJumba*

**Mathematics**

The first three terms of a geometric sequence are: T1; T2; and T3. If T2 = T1 + 4 and T3 = T2 + 9, determine the values of T1; T2 and T3
*Saturday, January 30, 2016 by Anon*

**math**

write a ratio the situation in three ways comparing the first quantity to the second quantity. A zoo has 17 monkeys and 12 chimpanzees. A. 12 to 17, 12:17, 12/17 B. 17 to 12, 17:12, 17/12 C. 17 to 22, 14:22, 17/12 D. 17 to 12, 12:17, 17/12
*Friday, January 29, 2016 by jji*

**math**

write a ratio the situation in three ways comparing the first quantity to the second quantity. A zoo has 17 monkeys and 12 chimpanzees. A. 12 to 17, 12:17, 12/17 B. 17 to 12, 17:12, 17/12 C. 17 to 22, 14:22, 17/12 D. 17 to 12, 12:17, 17/12
*Friday, January 29, 2016 by jjiiddss*

**math**

Write a ratio for the situation in three ways comparing the first quantity to the second quantity. In union City, about one in every three homes has two cars A. 5 to 2, 5:2, 5/2 B. 1 to 3, 1:3, 1/3 C. 5 to 3, 5:3, 5/3 D. 3 to 2, 3:2, 3/2
*Friday, January 29, 2016 by jjiiddss*

**English Language**

How could I improve this piece of creative writing in order to get 20 out of 20. At the moment it is 15 out of 20. So when will you come? It was always my dream to become a fireman and today that dream came true. Now a member of the 117th New York firefighting brigade ...
*Friday, January 29, 2016 by Hifza Faisal*

**Social Studies (Check)**

1. In what ways did the Taft-Hartly Act hurt labor unions? A: The Taft-Hartley Act hurt labor unions in many ways. First, it outlawed the closed shop, of the practice of forcing business owners to hire only union members. Secondly, it outlawed Union shops (shops in which new ...
*Friday, January 29, 2016 by Victoria*

**English**

First, identify the gerund in the sentence below. Then, replace the gerund with the infinitive of the same verb. Type the infinitive form of the verb in the space provided. Debbie loved watching the skaters glide around the rink.
*Friday, January 29, 2016 by Jae*

**poetry**

from details about blossoms in both the first and third haiku what conclusion can you draw? the poet feels exceedingly lonely the poet lives in an urban setting the poet enjoys the gentle beauty of nature the poet enjoys the drama of nature at its most intense Please help i ...
*Friday, January 29, 2016 by lilly*

**Physics help **

I'm preparing for a test. Can anyone check my answer for all these questions? These are my questions: 1. A stationary curling stone is struck in a glancing collision by a second curling stone of equal mass. If the first stone moves away at a velocity of 0.92 m/s [N71oW] ...
*Thursday, January 28, 2016 by I NEED DAMON'S HELP*

**Physics help **

Are you sure that's how you do #4 because they have 2 different directions. I need physics help. I don't understand how to do these questions. Can someone show me what I should use? and explain. I'll do calculations by myself. A stationary curling stone is struck ...
*Thursday, January 28, 2016 by HENRY - I NEED YOUR HELP?*

**college**

The proposed developer employed only certified programmers. Over the past five years they have redesigned more than 50 databases for local businesses. They will add innovative new functionalities to our system, while increasing the efficiency of our current system's ...
*Thursday, January 28, 2016 by Anonymous*

**math**

A license plate in a particular state consists of 5 characters. The first 4 characters are made up using the digits 0-9, but the first character cannot be a zero. The remaining characters are letters. No characters can be repeated. How many different license plates are ...
*Thursday, January 28, 2016 by jay*

**Math**

Mandie's average score on the first 4 tests was 76. On the next 5 tests her average score was 94. What was her average score on all 9 tests?
*Thursday, January 28, 2016 by Noa*

**Physics - Am I correct? **

I'm preparing for a test. Can anyone check my answer for all these questions? These are my questions: 1. A stationary curling stone is struck in a glancing collision by a second curling stone of equal mass. If the first stone moves away at a velocity of 0.92 m/s [N71oW] ...
*Thursday, January 28, 2016 by JOHN CENA*

**English**

Crossing the Sea A verdant rain forest rises out of the ocean to snow-capped peaks. Powerful fiords snake their way into glacial valleys. Rivers roar and meadows blossom. Many consider the land of New Zealand to be among the most beautiful places on Earth for centuries that ...
*Thursday, January 28, 2016 by Kaai97*

**Algebra**

Tony had an equal number of cranberry bars and walnut bars. He gave away 66 cranberry bars. He then had 4 times as many walnut bars as cranberry bars left. How many bars did he have at first?
*Thursday, January 28, 2016 by Mike*

**Math**

Tony had an equal number of cranberry bars and walnut bars. He gave away 66 cranberry bars. He then had 4 times as many walnut bars as cranberry bars left. How many bars did he have at first?
*Thursday, January 28, 2016 by Michael*

**English**

Crossing the Sea A verdant rain forest rises out of the ocean to snow-capped peaks. Powerful fiords snake their way into glacial valleys. Rivers roar and meadows blossom. Many consider the land of New Zealand to be among the most beautiful places on Earth for centuries that ...
*Thursday, January 28, 2016 by Kaai97*

**Math**

A $15 item on sale for $12 is marked down what percent? 100 * $12 = $1200 $1200/$15 = $6000 Did I do the correct work, or is it this: 100 * $3 = $300 $300/$15 = $4500 Is the first work correct or is the second work correct?
*Thursday, January 28, 2016 by Lauren*

**maths**

Put these integers in order. Least first. 6. -12. 3. 9. 2. -16. -15.
*Thursday, January 28, 2016 by severigne McQeen*

**Math**

Tuition for one year at a state university is about $13,000. Devon would like to attend this university and will save money each month for the next 4 years. His parents will give him$5,200 for his first year of tuition. Which plan shows the minimum amount of money Devon must ...
*Thursday, January 28, 2016 by Anonymous*

**PHYSICS**

It has two flags, each exactly 25.4 mm long, with the midpoints of the flags separated by 162 mm. The first flag interrupts the photogate timer for a time 50 ms, and the second flag interrupts the photogate timer for a time 45 ms. -What was the average velocity of the glider ...
*Thursday, January 28, 2016 by Anonymous*

**English**

Sandy's throw to first base was short the grey-blue ocean stretched out before him. dianna gave George a cold shoulder at the party assist me with Identify the sentence parts by putting the red abbreviations to their correct locations. Put parentheses around the ...
*Thursday, January 28, 2016 by Sherrill*

**mathematics**

A mortgage is taken out of 100000 dollars and is repaid by annual instalments of 20000 dollars. Interest is charged on the outstanding debt at 10 percent annually. If the first repayment is made one year after the mortgage is taken out, find the number of years it takes for ...
*Thursday, January 28, 2016 by stephen*

**analytic geometry**

1. Find the equation of the asymptotic of the hyperbole x^2/9 - y^2/ 4 = 1. 2. Given the equation of a function 2x^2 + 5y^2 - 16x + 20y + 108 =0, translate the original so that the New equation will have no first degree terms. 2. Find the radius and the polar coordinates of ...
*Thursday, January 28, 2016 by sylvia*

**math**

Tourists were on a hiking trip for three days. On the first day, they hiked 1/8 of the trail. On the second day they hiked 4/7 of the remaining trail. On the third day they hiked 1/3 of the remaining trail and the last 8 km. How many km is the whole trail?
*Wednesday, January 27, 2016 by vidya*

**Physics**

It has two flags, each exactly 25.4 mm long, with the midpoints of the flags separated by 162 mm. The first flag interrupts the photogate timer for a time 50 ms, and the second flag interrupts the photogate timer for a time 45 ms. 1) What was the average velocity of the glider...
*Wednesday, January 27, 2016 by Anonymous*

**math**

In a freshman class of 3500 students at a particular college, 20000 are taking either a history of English class their first semester. Of these 2000 students, 1300 are taking both a history class and an English class, and 375 are taking only a history class. Draw a Venn ...
*Wednesday, January 27, 2016 by John*

**English**

"I thought myself pretty smart at many things, like holding my breath, running, jumping, or climbing vines in Old Woman Swamp, and I wanted more than anything else someone to race to Horsehead Landing, someone to box with, and someone to perch in the top fork of the great...
*Wednesday, January 27, 2016 by Kaai97*

**English**

A narrator who uses pronouns such as he, she, and they and knows all of the characters’ thoughts and actions is a. first person b. second person c. third person limited d. third person omniscient***
*Wednesday, January 27, 2016 by Kaai97*

**Please help me with Trig**

Given cos 67.5° = [√(2+√2)]/2, find tan 67.5° , simplify where needed, and show work. I'm starting to learn this stuff, and I'm so confused where to start. I know they gave me the coordinate X as in cos 67.5° = [√(2+√2)]/2, and I ...
*Wednesday, January 27, 2016 by Jane*

**Language Arts**

Which words should be deleted to remove redundancy? At first, my initial reaction was to cancel my subscription to the monthly magazine because the customer service representative was so rude to me. A) At first, B) monthly magazine C) my initial reaction D) service ...
*Wednesday, January 27, 2016 by Marc*

**maths**

The sum of the first n terms of an exponential series is 364. The sum of their reciprocal is 364/243. If the first term is 1,find n and the common ratio.
*Wednesday, January 27, 2016 by dannystein*

**Math**

Matthew and May want to buy a birthday present for their mother. May has 3 times as much money as Matthew. The birthday present costs $50. After buying the birthday present,they have $70 left. How much money dose Matthew have at first?
*Wednesday, January 27, 2016 by Donovan*

**physics**

a billiard ball rolling across a table at 1.50m/s makes a head on collision with an identical ball. find the speed of each ball after the collision;when the ball is at rest;when the 2nd ball ]is moving towards the first at the speed of 1.0m/s; when the second ball is moving ...
*Wednesday, January 27, 2016 by raquel*

**Math**

The 2nd and 5th term of a.p are -7 and 56 respectively find the first term. The common ratio. The sum of the five term
*Wednesday, January 27, 2016 by Tola*

**maths**

Which term of the progression 19+ 18 1/5 + 17 2/5 + …is the first negative term? What is the smallest number of terms which must be taken for their sum to be negative ? Calculate this sum exactly.
*Tuesday, January 26, 2016 by sma*

**Math**

A certain slow clock loses 15 mins every hour. Suppose the clock is set to the correct time at 9 AM. What will the correct time be when the slow clock first shows 10 AM? Show your work. Also, does to lose an hour mean to go forward or fall back an hour?
*Tuesday, January 26, 2016 by Anonymous*

**Physics**

Please help me. I need physics help. I don't understand how to do these questions. Can someone show me what I should use? and explain. I'll do calculations by myself. A stationary curling stone is struck in a glancing collision by a second curling stone of equal mass. ...
*Tuesday, January 26, 2016 by PhysicsQuestions- repost because of no response*

**social studies**

most of the world's land is used for? A.first-level activities B.second-level activities C.third-level activities D.all three economies activities equall* Whitch of the following is a third-level economy activity. A.hunting B.mining C.services D.manufacturing
*Tuesday, January 26, 2016 by anda8*

**english help please!!**

Read the following excerpt. The journalist spent a year researching the foreign government's sanctions. Finally, it was time to synthesize all of the relevant information that he had learned. His editor asked him to write a comprehensive article for the first piece in the ...
*Tuesday, January 26, 2016 by Oscar*

**World History**

a) Which technologies have been pivotal in the development of the Information Age? To what extent did the Industrial Revolution create the foundation for modern technologies? ~~~~~~~ Need help on that second part of the first question, I know I asked this before but I got the ...
*Tuesday, January 26, 2016 by Astral Tellurian*