Monday

August 3, 2015

August 3, 2015

Number of results: 71,657

**math**

Calculate the future value of S of an annuity using the following formula: S =R(1+i)^n-1/i) given R=250,i=0.001;n=13 please show the workout thankyou
*April 6, 2013 by naomie*

**Calculus**

∫ x^3 √(16-x^2) dx evaluated between [0, 4] I know this is solved using trigonometric substitution, but I'm not sure how to work it. Please show steps so I will understand.
*March 14, 2015 by Nick*

**5th grade**

On this day in 1789, the Supreme Court was established. Using resources in the classroom, learn five (5) facts about the Supreme Court’s roll in our nation’s government and summarize them in your own words. Can someone help me with this it's for my journal. Thank you
*September 26, 2010 by Johana*

**Algebra**

A barrel contains 181 gallons of paint and is being drained at a constant rate of 5 gallons per hour. Write and expression that models the number of gallons, g, after t hours.
*July 19, 2012 by Michael*

**math**

Howard Hughes attended 6136 shows. Write an expression to represent the average number of shows he attended if he accumulated the record over x years.
*August 23, 2009 by jen*

**Algebra**

1. Classify the following number as rational or irrational: 4.1 rational? 2. True or False: The Associative Property allows you to change the order of terms in an expression. False? Thanks -MC
*March 31, 2010 by mysterychicken*

**Math**

Use Brackets. Write Each Expression so that it equals the number in blue. a) 8+2x5 50 b) 6x3+1 24 c) 1+6x3+1 25 d) 2+8x5-1 49 e)7+14\7-5 14 f)12\2x5-4 2 Help Me Please i dont get what to do and how to.... ( \ stands for division)
*September 10, 2012 by Saira*

**Static**

The country of Statland runs a national lottery for its people. In this lottery, an urn contains 42 balls that are individually numbered 1, 2, ..., 42. Each week, 5 balls are drawn from the urn without replacement. Gamblers pay a small sum to predict these five numbers and the...
*January 24, 2015 by De*

**Math**

Day Number of Players Amount Collected Monday: 4 $ 88 Tuesday: 7 $154 Wednesday: 6 $132 Thursday: 3 $ 66 Friday: 2 ???? A.On Friday, the coach will collect fees from 2 more players. What is the total amount of money the coach will collect from the 2 players? Show or explain ...
*May 7, 2011 by Frances*

**Science**

1. Which statement about subatomic particles is NOT true? (1 point) Protons and neutrons have almost the same mass. Protons and electrons have opposite charges. Unlike protons and electrons, neutrons have no charge. Protons and neutrons have the same charge. 2. Which of the ...
*October 10, 2008 by Chelsea*

**math**

three sisters run a business. they charge $260 for each job. If the oldest sister earns 50% more than the middle sister and if the youngest sister earns 50% less than the oldest sister, how much does each sister earn per job? hint: Identify the variable and then write each ...
*December 3, 2013 by ava*

**math..word problem**

Tom and Fred are inseparable twins. They are in a five-person club. How many ways can these five line up for a photo if Tom and Fred must stand together?
*July 17, 2009 by M.A.*

**writing**

Write a 100-word passage to Susan Anker, the author of the course’s textbook, in which you describe five details from her book that are good and five details about the book that are written well.
*January 16, 2011 by kelly*

**Physics **

Marcy and joe are racing on their bikes. Starting from rest, if Marcy has an average acceleration of 5.7 m/s? for the first five seconds how fast was he traveling at the end of those five seconds?
*September 26, 2012 by Larry *

**2nd grade**

What number am I My tens digit is double my ones digit. I am less than 70 greater than 60? How do u figure this out need help to explain how to get the answer..
*October 11, 2010 by cheri *

**math**

Assume that 3 digits are selected at random from the set { 2, 5, 6, 8, 9 } and are arranged in random order. What is the probability that the resulting 3-digit number is less than 900?
*February 20, 2012 by victoria*

**math**

a spinner is divided into 10 sectors. the number 1 through5 are each placed in two different sectors. find the probability of each event. P(less than 3) P (5) p (8)
*April 7, 2015 by gayle*

**math**

The number has 8 digits none of the digits are the same 2. It is enemy divisible by 10 3. The value of one of the digits is 80,000 4. The digit in the millions place is the largest 1-digit odd number 5. The digit in the thousands place is 3 less than the digit in the millions ...
*January 9, 2013 by zb*

**English expression**

How many are there in Mi-na's family? There are five in her family: her father, her mother, her older brother Min-su, her younger brother Min-ho, and her. How many people are there in Mi-na's family? How many members are there in Mi-na's family? How many people are in Mi-na's ...
*March 24, 2008 by John*

**Algebra 1 Answer Evaluation (Reiny)**

Evaluate each expression for the given value(s) of the variable(s). 1. t^6 for t = 2 A: 1/64 2. r^0s^-2 for r = 8 and s = 10 A: 1/100? Simplify. 3. x^4/x^-6 A: 1/x^4y^6? Or x^4y^6? 4. a^-3/b^-2 A: 1/a^3b^2? Or a^3b^2? 5. The lead in a mechanical pencil has a diameter of 0.5 mn...
*January 31, 2014 by Anonymous*

**Math/College Algebra**

A water trough with triangular ends is 9ft long, 4ft wide, and 2ft deep. Initially the trough is full of water, but due to evaporation, the volumn of the water decreases at a rate proportional to the square root of the volume. Using advanced concepts from math and physics, it ...
*September 6, 2008 by Debi*

**statistics**

The US Army is allowed only five test firings of the lance missile. The following figures represent number of feet the missiles missed the target by: 26, 147, 35, 63, and 51. Calculate the mean and the median. Which should the army report ?
*August 26, 2011 by Christopher*

**Chemistry**

This question is: How many orbitals are there in each of the following energy levels.. a) 1s b) 6p c) 10f d) 7d e) 5s Now.. do i use n^2 for the number of orbitals in each energy level? Ex. b) would be 36 OR can i state the number of orbitals in each sublevel using the shape? ...
*April 4, 2010 by Jeff*

**math**

(ADBC) (DACB) (BADC) (BDCA) (DCAB) 8 5 3 1 2 Using that table, determine: a) the total number of votes b) what does (ADBC) mean c) What the "8" mean d)how many votes will be necessary for a majority, why? is a)19 b) rank c) the number of votes d)?
*November 20, 2008 by jason*

**financial Managerial **

The State of Idaho issued $2,000,000 of seven percent coupon, 20-year semiannual payment, tax-exempt bonds five years ago. The bonds had five years of call protection, but now the state can call the bonds if it chooses to do so. The call premium would be five percent of the ...
*April 9, 2011 by abdelrazeg*

**math**

Jill has four of her five game scores: 8,6,6,3 Her average score for the five games is 6 points. What is the fifth game score?
*September 16, 2010 by Anonymous*

**Math...Please help I need this done by 6:00**

This was the question: Explain why the formula for determining slope using the coordinates of two points does not apply to vertical lines. The formula for determining a slope using two points does not apply to vertical lines simply because dividing by 0 is not allowed…...
*November 18, 2009 by lisa*

**arithmetic**

1. The first and last term of an A.P are, a and l respectively, show that the sum of nth term from the beginning and nth term from the end is a + l. 2. If mth term of an A.P be 1/n and nth term be 1/m, then show that its mnth term is 1. 3. The sum of four numbers which are in ...
*May 23, 2014 by kartik hans*

**Gr. 10 Math**

Evaluate each expression for the given value(s) of the variable(s). 2x^2 - 3xy + 4y^2 for x=2, y=-1 My Answer: (2(2^2)) - (3*2*-1) + (4(-1^2)) = 10 Text Book Answer: 18 Please help. Am I doing something wrong? I redid the expression 3 times and still got 10. But why textbook ...
*April 20, 2010 by John*

**algebra3**

which inequality is tge solution of 6x negative 3 greater than or = to 7 plus 4x? a.}x is greater than or =to negative 5 b.}x is greater than or= to 5 c.}x is less than or = to 5 d.}x is less than or = to negative 5 Your problem: 6x - 3 ≥ 7 + 4x Solve an inequality like ...
*January 11, 2007 by Darius Graham*

**Math**

Find the smallest number N such that: The number of divisors of N is A. The number of divisors of A is B. The number of divisors of B is C. The number of divisors of C is 3. Details and assumptions The divisors include 1 and the number itself. For example, the number of ...
*June 4, 2013 by Mathslover*

**Physics 1**

A golf ball is struck with a five iron on level ground. It lands 92.0m away 4.20s later. What was (a) the direction and (b) the magnitude of the initial velocity? I have no idea how to go about using the information given to find the first part (A). Even just a hint would be ...
*September 11, 2014 by Molly*

**communications**

This is homework for communications class, and I'm not sure what the hell I need to do. I need to get a good grade, because I'm not doing to well. Please help. Here is what to do. Using I language Practice using I language. Use it at work, school, home with your family, any ...
*April 11, 2010 by marie*

**math**

this makes no sense to me and won't to my child either. the instructions for solving, are try 3 numbers that add to the total with 2 numbers equal and the other 8 less then revise numbers till you get the answer. the question is: Jan, Mya And Sara ran a total of 64 miles last ...
*August 23, 2012 by Paulette*

**math**

find the mystery number, it is a 4 digit odd number, all the digits are different, none of the digits are 0-9, the tens digit is twice the ones digit, and the hundreds digit is twice th tens digit. the thousands digit is one less than the hundreds digit?
*September 19, 2012 by Evelyn*

**maths --plse help me..**

In a purse there are 20-rupee notes 10-rupee notes and 5-rupee notes. the number of 5-rupee notes exceeds two times the 10-rupee notes by one. the 20-rupee notes are 5 less than the 10-rupee notes. if the total value of the money in the purse is Rs185 find the number of each ...
*December 11, 2012 by snigda*

**maths --plse help me..**

In a purse there are 20-rupee notes 10-rupee notes and 5-rupee notes. the number of 5-rupee notes exceeds two times the 10-rupee notes by one. the 20-rupee notes are 5 less than the 10-rupee notes. if the total value of the money in the purse is Rs185 find the number of each ...
*December 11, 2012 by sunil*

**Statistics**

A gambling game pays 4 to 1 and the chance of winning is 1 in 6. Suppose you bet $1 on this game 600 times independently. 3A - Find the expected number of times you win. 3B - Find the SE of the number of times you win. 3C - Find the chance that you lose more than $50 (that is...
*May 18, 2013 by Din123*

**Statistics**

A gambling game pays 4 to 1 and the chance of winning is 1 in 6. Suppose you bet $1 on this game 600 times independently. 3A Find the expected number of times you win. 3B Find the SE of the number of times you win. 3C Find the chance that you lose more than $50 (that is, your ...
*May 18, 2013 by Pebble*

**English**

My teacher wants me to proofread and make corrections on the following. Can you help me. I will send over the question and then below is what I have revised will you check it for me? The following paragraph contains five errors in grammar, punctuation, mechanics, or usage. ...
*February 3, 2010 by Robin*

**math**

*The number has 8 digits, none of the digits are the same. *It is evenly divisible by 10. *The value of one of the digits is 80,000 *The digit in the millions place is the largest 1-digit odd number. *The digit in the thousands place is 3 less than the digit in the millions ...
*September 25, 2012 by rod*

**Art Help Please!!!!!**

To create a portfolio of work, thsi artist would do all of the following except. The picture is of a robot in black and white. A. include more drawings of characters the artist has created to show creativity. B. include a variety of color schemes and designs to show diversity ...
*November 25, 2014 by Callie*

**com 155**

Write a 100-word passage to Susan Anker, the author of the course’s textbook, in which you describe five details from her book that are good and five details about the book that are written well.
*September 26, 2010 by bb*

**Physics **

A crate sets on wooden horizontal surface (a wooden floor). The figure shows a top view of this looking down onto the crate (gravity would be acting into the page). Man one and man two apply forces F1 and F2, at angles of θ1 and θ2 respectively, with the goal of ...
*October 9, 2014 by Johnny *

**Probabilities**

A safety engineer claims that only 60% of all drivers use seat belts on short trips. The probability that exactly 2 out of five drivers will be using his seat belts is closest to?
*May 1, 2009 by Andrey L*

**Algebra 2**

Using Equations The second angle of a triangle is three times the first and the third is 12 degrees less that twice the first. Find numbers for angles. I do not understand how to solve this equation.
*September 22, 2011 by Kym*

**Solve Inequality**

Solve the inequality. Express your solution using interval notation and please show all of your work. x(x + 6)(8 – x) >= 0 I need help, I guess I'm not understanding the interval notation portion. I know, that when 0 <= x <= 8 and x <= -6 that the statement is true...
*May 29, 2011 by Armando*

**math**

Someone HELP pleas. 3. One hundred twenty-five tickets have been sold for an event at a local theater. If this represents 25% of the capacity for the theater, which of the following is the capacity? A. 156 B. 375 C.410 D. 500 4. In a bag of candy, there are five red candies ...
*April 16, 2013 by Siman*

**Math!!!! *plz help***

Use Brackets. Write Each Expression so that it equals the number in blue. a) 8+2x5 50 b) 6x3+1 24 c) 1+6x3+1 25 d) 2+8x5-1 49 e)7+14\7-5 14 f)12\2x5-4 2 Help Me Please i dont get what to do and how to.... ( \ stands for division)
*September 10, 2012 by Saira*

**English**

2. Which expression best represents the view a fatalist would have? A. "Whatever will be, will be." B. "The best is yet to come." C. "We are still masters of our fate." D. "You don't know what you have until its gone." 3. In which of these lines is the meaning of the word ...
*March 11, 2015 by help?thanks*

**Algebra**

Show all steps The maximum number of volts, E, that can be placed across a resistor is given by the formula E=sq root(PR), where P is the number of watts of piwer that the resistor can absorb and R is the resistance of the resistor in ohms. Solve this equation for R. Use the ...
*October 25, 2011 by Betty*

**math**

Consider a rectangular array of dots with an even number of rows and an even number of columns. Color the dots, each one red or blue, in such a way so that in each row half the dots are red and half are blue, and also in each column half are red and half are blue. Now, ...
*April 1, 2010 by new*

**Math**

Consider a rectangular array of dots with an even number of rows and an even number of columns. Color the dots, each one red or blue, in such a way so that in each row half the dots are red and half are blue, and also in each column half are red and half are blue. Now,whenever...
*April 2, 2010 by Teddie*

**arithmetic**

1. The first and last term of an A.P are, a and l respectively, show that the sum of nth term from the beginning and nth term from the end is a + l. 2. If mth term of an A.P be 1/n and nth term be 1/m, then show that its mnth term is 1. 3. The sum of four numbers which are in ...
*May 24, 2014 by kartik hans*

**AP Statistics **

12) Which of the following statements is true? a) The sampling distribution of the difference between two proportions will always be normal. b) When comparing two population proportions, either sample proportion can be used as the unbiased estimate of the true population ...
*March 14, 2013 by Joker*

**2 grade math**

Complete the chart to show the number 217 . 1 hund. blank tens and one ones?
*September 30, 2010 by osi123456789*

**Algebra B**

I am confused as to what the nth power is. Is it any number as an exponent that leaves the radicand the same? Could you please show me an example? thanks,
*February 5, 2011 by Nancy*

**Chemistry**

What mass of magnesium, Mg, contains the same number of atoms as 12g of Carbon, C Could you please show the method too Thanx :)
*March 7, 2011 by Jannie*

**math**

Turn 7 21 into a percent and decimal. First simplify the fraction. Show your answer on the number line.
*March 9, 2011 by julie*

**Math**

Solve the following equation in the complex number system. Please show all of your work. x^4 – 13x^2 – 90 = 0
*June 9, 2011 by Greg - PV*

**chem**

calculate the number of oxygen atoms in 0.25 mol fluoroacetic acid (C2H3O2F) show work if possible
*March 28, 2012 by lisa*

**Math**

Use 16 blocks to build a house.There are 10 squares and 8 triangles. show work and write number sentence
*December 2, 2012 by Kwenton*

**calculus**

Solve the equation in the real number system X^4+11x^3+24x^2-23x+35=0 Please show work
*December 27, 2012 by Austin*

**Algebra 2**

How do you get the real-number solutions of 5b^3 + 15b^2 + 12b = -36? I get to (b+3)(5b^2 + 12) and I don't know what to do after that. Can someone please show me how to finish this problem?
*October 9, 2013 by Krystal*

**5th Grade Math**

Can you please show me the steps on how to write each decimal as a mixed number in simplest form? 1. 8.9 2. 42.96
*November 26, 2013 by Stephanie*

**counting**

My daughter home work wants her to count the animals in each picture and draw the correct number of counters to show how many
*September 15, 2014 by Anonymous*

**math**

the nile river is the worlds longest river .let n sttand for the length in miles of the nile. th parana river is 3,030 miles long. write an expression to show how much longer the nile is than the panama.
*March 23, 2013 by taffy*

**Chemistry**

Develop a recipe for 1.00L of pH 4.50 buffer using only 17.4M HC2H3O2 and 3.00M NaOH (and deionized water). Be sure that it can accommodate an addition of at least .50 mol of strong acid or base with a change in pH less than/equal to 1.
*December 12, 2011 by Shana*

**statistics**

A salesperson finds that, in the long run, two out of five sales calls are successful. Twelve calls are to be made. Let X = the number of concluded sales. Is X a binomial random variable? Explain!
*September 12, 2011 by Jane*

**Algebra re-posting**

I already typed this in 2 days ago, but i did not get to see if I had an answer back, can somebody help me to the link, or can help me do the work, I found the answer using the trial and error method, but is there another way to find it without using the trial and error ...
*April 24, 2008 by Hailea*

**MATH**

Carolyn and Kim are selling lemonade this summer. It costs $0.10 to make each cup of lemonade. They are going to sell each cup of lemonade for $0.25. a. What is the total cost to make 55 cups of lemonade? Show or explain your work.$5.50 b. If they sell 55 ...
*February 20, 2012 by NINA*

**6th grade math**

Victoria has pennies, dimes, and quarters. She has a total of $26.28. There are two times as many dimes as pennies. There are five times as many quarters as pennies. How many of each coin does she have? Can you please show work?
*January 14, 2010 by Vickie*

**math**

How can you compare 2 fractions by using a number line?
*March 24, 2011 by destiny*

**math**

How can you compare 2 fractions by using a number line?
*March 25, 2011 by destiny*

**math**

How can you order 3 fractions by using a number line?
*March 25, 2013 by mateo*

**math**

How can you order 3 fractions by using a number line?
*March 25, 2013 by mateo*

**statistics**

2. A researcher measures the heart rate in a population of runners and finds they have an average heart rate of µ = 50, σ = 5. You do not need to show a graph, only computation work. 2A. Based on the average heart rate cited above, what proportion would we expect to have ...
*June 27, 2014 by chris*

**Linear algebra**

Show that the origin is the only equilibrium point of the system? X=ax+by Y=cx+dy Wherea,b,c and d are constants, with ad-bc not aqual to 0(zero) Please show me how to do this problem Please show me the work
*October 11, 2012 by Fatima*

**linear algebra**

Bob and Doug play a lot of Ping-Pong, but Doug is a much better player, and wins 80% of their games. To make up for this, if Doug wins a game he will spot Bob five points in their next game. If Doug wins again he will spot Bob ten points the next game, and if he still wins the...
*December 7, 2014 by jolia*

**trigonometry**

can you explain to me in details please of how these type of questions can be answered without using a calculator to find the direct answer. Find the following functions correct to five decimal places: a. sin 22degrees 43' b. cos 44degrees 56' C. sin 79degrees 23'30'
*January 13, 2011 by anon*

**algebra**

simplify the following radical expression: 3 sqrt (-27) a) -3 b) 3 c) 0 d) no solution exists do i write the sqrt like this or do i write like this sqrt () 3 -27 please show me the correct way to write it thanks
*June 17, 2010 by anthony*

**Advanced Math**

Solve 3-3 csc x = 17 for (theta) is less than or equal to x is less than 2(pi); give answer to the nearest 100th of a radian
*February 22, 2010 by Hilary *

**programming**

Write pseudocode (using pascal) to accept as input names of an unspecified number of equipment rented, the name of the company, the number of days the equipment was rented for and the sales amount. The algorithm must determine the number of times each type of equipment was ...
*January 30, 2012 by John*

**CHEMISTRY**

Observations Mass of Fe metal:100 MG Volume of water in Calorimeter: 100 ML Mass of water in Calorimeter (use 1g per ml): 100G Initial Temperature of metal: 20 Initial Temperature of water: 20 Final Temperature (both metal and water): 100 Determine the heat gained by the water...
*November 30, 2008 by JASON*

**Quick Question #2 (URGENT)**

How would show/ask 'What is your phone number?' in symbols and pictures. Would having a picture of a telephone and the number sign beside it, and write equal sign then question mark demsonstrate this question? Example: phone pic (#)=? If my idea doesn't demonstrate the ...
*September 11, 2009 by John*

**english**

only five days later, the child itch rash had almost completely disappeared which word is the simple subject in the sentence above? a) five b) days c) Childs d) rash
*January 26, 2011 by Anonymous*

**math help plzzzz!!!!**

Multiple Choice 1. What is 0.32 written as a fraction in simplest form? (1 point) thirty-two over one hundred eight over twenty-five one hundred over thirty-two sixteen over twenty-five 2. If Fran’s fudge recipe calls for two and one-half cups of sugar and she increases it by ...
*October 30, 2013 by josh *

**English**

Bingo Game 2 Hello, class. Let's play the bingo game. Look at the bingo board in Part C. There are three expressions in the three blanks. There are six empty blanks. Look at the expressions on the left of the bingo board. There are 6 expressions. You should write down the ...
*September 4, 2008 by John*

**Math**

In 1976, there were five Sundays in February. In which of the remaining years in the 21st century will February have five Sundays?
*November 9, 2011 by MATH HELP PLEASE*

**math**

Four accounting majors, two economics majors, and three marketing majors have interviewed for five different positions with a large company. Find the number of different ways that five of these could be hired. One accounting major, one economics major, and one marketing major ...
*May 4, 2008 by Dana*

**calculus 2 **

Justify, with a written explanation or a mathematical reasoning and with a sketch of at least two different cases, the following properties of integrals: a) If f(x) is less than or equal to g(x) for a<=x<=b then integrate from a to b of f(x)dx is less than or equal to ...
*September 12, 2012 by bobby*

**Math**

Use all ten digits from 0 to 9 only once. Do not use 0 in either the milions or thousandths places. What is the greatest number less than 5 million?
*September 17, 2012 by Keith*

**gg**

you need 50 pounds of two commodities costing $1.25 and $1.26 per pound,verify that the total cost is y=1.25x+1.60(50-x),where x is the number of pounds of the less expensive commodity.
*September 6, 2013 by Anonymous*

**Math- Completely confused! **

Simplify each expression (where possible) and write the answer without using negative or fractional exponents. Assume that X>0. a. 8x^(1/3) b. (-8x)^(1/3) c. (8x)^(-1/3) d. (3x^(3/4))(16x)^(1/4) e. (x^(1/2)) / (x^(5/2) so far my answers are : a.2x b. -2x c.1/2x but i feel ...
*August 21, 2010 by Jackie*

**Maths Percentage (6th Grade)**

David has $5 in his wallet. This was 10% of the amount that he received from his mother. Find the total amount of money that David received from his mother. 35% of the number of books Ibrahim owns are fiction boos, find: a.) the total number of books he owns. b.) the number of...
*October 11, 2012 by Sam*

**Spelling**

The homework assignment is first the child has four spelling words to write five times and memorize and then the homework assignmen says make three clusters of words using fl for example fly.
*March 21, 2012 by Allison*

**English**

Any ideas on grouping students? It has to be an activity.The only thing I have found is this: Recycle greetings cards/magazine pictures. Rip or cut old greetings card into the required number of group members, shuffle and distribute amongst the pupils, for example five cards ...
*May 2, 2009 by cary*

**ALgebra**

A spinner has five regions numbered 1 through 5. If the spinner is spun 100 times, we would expect about 20 of the outcomes to be Region 1. It can be determined that the spinner is unbalanced if x, the number of outcomes that result in Region 1, satisfies x-20/4 ˇÝ 1.645. ...
*May 18, 2009 by Thomas*

**math**

As dry air moves upward it expands and in doing so cools at a rate of 1 degrees Celsius for each 100 m rise up to about 12 km If the ground temperature is 20 degrees Celsius find an expression for the temperature T as a function of the height H the answer is T=20-10h(h in ...
*October 30, 2013 by jordan*

**Math**

As dry air moves upward it expands and in doing so cools at a rate of 1 degrees Celsius for each 100 m rise up to about 12 km If the ground temperature is 20 degrees Celsius find an expression for the temperature T as a function of the height H the answer is T=20-10h(h in ...
*November 3, 2013 by Jordan*