Wednesday

February 10, 2016
Number of results: 76,098

**Reading**

Next to Willow,our school is in the Dark Ages. How does the author organize the support for this argument? A.By using cause and effect B.By using comparisons C.By using problem and solution D.By using opinions B?
*March 7, 2012 by Colton*

**Math**

Find the number 4 three times in the table . Write multiplication sentences and division sentences for each 4 . Answer; 1/1*4=4 2/ 2*2=4 3/4*1=4 1/ 4divide 1=4 2/ 4 divide 2=2 3/ 4 divide 1=4 Q2/Name five numbers that are found only once in the table. Answer: 1*1 ,2*2 , 3*3 , ...
*October 18, 2014 by Nnh*

**math**

1)on the 7th grade honor review exam, student were asked to create a power base of 3 that is greater than 9 but less then 3_5 . two powers that student created show below. Describe why each of the solutions is incorrect 5_3
*November 21, 2013 by rian*

**math**

If you have a bag of jellybeans that can be divided equally among three, five or 13 people, what is the smallest number of jellybeans the bag can contain?
*December 2, 2010 by shelby*

**Math**

Use the digits 4'5'6'7' and 8 once each to write an odd five-digit number . Write it both in standard form and in word form
*December 11, 2014 by Emily*

**algebra**

Sue ate some apples from a bag. She left 20 apples. This is five-eights the number of apples she had bought. How many apples did she buy?
*January 27, 2016 by anonymous*

**Maths**

A collection of coins consisting of 10-cent, 20-cent and 50-cent pieces has a value of $4.50. The number of 20-cent pieces is twice the number of 10-cent pieces and the number of 50-cent pieces is 3 less than twice the number of 10-cent pieces. How many 10-cent, 20-cent and 50...
*May 21, 2015 by James*

**math**

grant's change rack contained $8.80 in quarters, dimes, and nickels. There were two more than five times as many nickels as quarters and four less than twice as many dimes as quarters. How many of each kind of coin was there in the change rack? please help
*October 22, 2012 by k*

**Algebra**

How can you factor? 1. x^4 - 4x^2 + 3 2. x^3 - 2x^2 - 4x + 8 Thanks 1. set a = x^2 this should simplify your problem once you've factored the expression, substitute x^2 back in for a 2. For our purposes I don't think this expression can be factored.
*October 31, 2006 by Isabel*

**Algebra-Can't solve!**

21 OVER X squared MINUS 6x is equal to 1 OVER x(x-6)(x+5). I have to rewrite the ration expression as an equivalent rational expression with the given denominator.
*March 16, 2009 by Estela*

**Algebra 2**

Find the value of c that makes the expression a perfect square trinomial. Then write the expression as the square of a binomial. I didn't really understand what that meant. x^2-23x+c x^2-(2/7)x+c
*December 5, 2011 by Erica*

**Calculus**

Evaluate the following expression: d/dx (integration sign: upper=1 and lower= -3) (2t^3 + 3)dt = I am given the following options: 2t^3 + 3 56 5 -28.0 None of the above Would the result of the expression be 0 or 5???
*February 15, 2012 by Mishaka*

**math**

A hiking club charges an initial fee of $60 and then $12 for each hiking trip. Write an expression to model the total cost and then evaluate the expression for 4 hikes.
*February 24, 2015 by rona*

**Algebra**

The expression 17n + 11 represents the perimeter (in feet) of the triangle. Two sides are measured at 5n + 6 and 4n + 5. Write an expression that represents the measure of the third side.
*November 28, 2015 by Anonymous *

**college algebra**

write the expression as a single logarithm 1. In(x/x*2)+In(x+2/x)-In(x^2-4) solve the following logarithmic equation. 2. log_9(x-2)+log_9(x+1)=2 what is the exact solution? What is the decimal approximation for the solution when rounded three decimal places. please show work
*November 30, 2012 by confused--two questions please help/steve please*

**ALGEBRA 117**

2. Biologists want to set up a station to test alligators in the lake for West Nile Virus. Suppose that the costs for such a station are $1,400 for setup costs and $4.00 to administer each test. a. Write an expression that gives the total cost to test x animals. b. You can ...
*August 13, 2011 by LOST*

**statitics**

E. Coli outbreak. Outbreaks of E. coli have occurred at a rate of 2.5 per 100,000. Assume this rate represents the mean for the number of outbreaks (as a Poisson random variable). a. What is the probability that at most five cases of E. coli per 100,000 are reported in ...
*October 17, 2010 by Anonymous*

**Calc**

Find values for a and b so f9x0 is continuous everywhere using the definition of continuiy if F9x) = 3 x less than/equal -1 ax+b -1<x<2 -2 x greater than/equal 2 I have no idea what im suppose to do
*June 11, 2012 by H.Edmunds*

**Maths**

1)A two-figure number is written down at random. Find the probability that a)the number is greater than 44 b)the number is less than 100 2)A letter is picked at random from the english alphabet. Find the probability that a)the letter is a vowel (my answer=5/26) b)the letter ...
*January 28, 2008 by Anonymous*

**Math**

Sheila's age is two years more than twice Nicole's age. The sum of their ages is the same as Steven's age. If Steven's age is ten years less than five times Nicole's age, ,find the age of each. Write a verbal model!
*October 6, 2010 by jj*

**programming**

write a java application to calculate the exponent value of a number using the following specification <Prompt the user to enter an integer value <Pass the integer value to the method squares the number and to a method cubes the number.The result must be returned to the...
*April 20, 2012 by Anonymous*

**Algebra**

Here are questions from my two "alter egos", Rachelle and Gusella, better known as Patti, even better known as Courtney. I am supposed to find f(g(x)). F(x)=5x^2minus 2x=3 and g(x)=4x^2 plus 7x-5 The answer I got was 5(4x^2+7x-5)^2+-2x+3. Is this correct? Thanks!!! I am doing ...
*November 5, 2008 by Patti*

**chemistry**

In the chemical expression, 5 C2H4 : There are __________ molecules of Ethene represented which contain a total of _______ atoms of Hydrogen. Please give both answers in number form with a comma between numbers.
*March 28, 2011 by Anonymous*

**algebra**

Use the five steps for problem solving to answer the following question. Please show all of your work. The volume of a rectangular slab of concrete needs to exceed 72 cu. ft. If the length is 12 feet and the width is 8 feet, how thick does the concrete slab need to be?
*March 17, 2011 by Anonymous*

**math**

five cards are chosen at random from a standard deck of 52 cards. what is the the probability that all five cards are the same suit? express your answer as a common fraction.
*September 17, 2012 by shaun*

**English**

1. Look at her facial expression. 2. Look at her appearance. 3. Look at her looks. 4. How does she look? - She looks satisfied? 5. How do you think she looks? - I think she looks unsatisfied. (Can we use all the expressions? Do we have to use a singular expression or a plural ...
*July 2, 2010 by rfvv*

**english**

. Use two commas around “extra information” in a sentence to show that it is not important to the meaning of that sentence if taken out. For example: “The hardware store down the street, which had been paved recently, is open until midnight five days a week.” (Points : 1) True...
*September 6, 2013 by Anonymous*

**English expression**

A family is the basic unit of our society. Let's learn the expressions for family relationship and for introducing a family. ------------------------ Are the sentences grammatical? What about the use of 'a' ? Am I using the article correctly? Or do I have to omit it?
*March 19, 2008 by John*

**Math**

I tried using my calculator and punching in the choices to figure out what x is and none of them equaled -10 so idk what i did wrong Find the value of x that will make the following numerical expression equal to − 10 . -5^2+(x+2)/-4-(-6) (a)−1 (b)−3 (c)2 (d)1...
*February 4, 2012 by John*

**Math 2nd grade**

Iam greater than 4 tens and less than 5 tens.I have 9 ones.What number am I?
*October 8, 2010 by Singh*

**2nd grade reasoning**

my ten digit is double my one digit. i am less than 70 and greater than 60. what number am i
*October 14, 2010 by san miguel elementary*

**ALgebra**

the difference of two numbers is 7. the larger number is 9 less than 3 times the smaller. find the numbers
*October 30, 2010 by mike*

**algebra**

use this inequality -4t - 8 less than or equal to 12 to fill in the missing number, t+4 greater than or equal to ___?
*October 6, 2011 by brooke*

**math**

i am less than 200 the sum of my digits is 18 i have 3 digits i am an even number what am i. HELP ME PLEASE THANK YOU ABBIGAIL
*November 28, 2012 by abbigail*

**algebra one**

negative three times a number increased by seven is less than negative eleven
*March 5, 2013 by brent*

**Algebra**

The difference of two whole numbers is 27.The greater number is 3 less than twice the smaller.What are the numbers?
*April 1, 2015 by Marc*

**Maths**

The number 1000 can be written in several ways as a sum of one or more consecutive positive integers, for instance, 1000=1000 (one summand) or 1000=198+199+200+201+202 (five summands). Find the largest possible number of summands in a representation of 1000 as a sum of ...
*May 8, 2013 by HELP!!*

**math**

It is grater than 7 tens and less than 8 tens. The number has 4 ones
*October 12, 2010 by shawn*

**chemistry**

hey guys im stumped and burning out. Its mid term time. I got 5 midterms and lab test. i think im making this more complex than needed what is 10mg/dL Ca in mEq/L can u show me a simple way using the valence ? My answer doesnt make sense. ---------------------------- N=(gram ...
*February 7, 2010 by Jim_R*

**math**

FOUR STEPS: Amy and three friends launch a new website. Each of the four friends e-mails the web address to three new friends. These new friends forward the web address to three more friends. If no one receives the e-mails more than once, how many people will receive the web ...
*February 10, 2015 by kyle*

**math**

i dont get how to do this problem mrs. sue please help how would you convert the repating nonterminating decimal to a fraction? explain the process as you solve the problem/0.1515... remember to show all of the steps that you use to solve the problem how would you convince a ...
*October 25, 2014 by kathy*

**Chemistry:normal notation plz help**

Using the normal notation of quantum number find the element which has the following value of quantum number n=3 l=2 m=2 s=+1/2 (a):potassuim (b):nitrogen (c):sodium (d):scandium
*January 6, 2016 by Collins*

**math**

Belle had the choice of taking out a four year car loan at 8.5% simple interest or a Five year loan at 7.75% simple interest. If she borrows $15,000, how much interest would she pay for each loan? Which option requires less interest?
*September 8, 2014 by Ali*

**Pre-Calc**

An open box with a volume of 1500cm^3 is to be constructed by taking a piece of cardboard of 20 cm by 40 cm, cutting squares of sides length x cm from each corner and folding up the sides. Show that this can be done in two different ways, and find exact dimensions of the box ...
*January 14, 2014 by Andy G*

**math**

FOUR QUESTION PROBLEM: Amy and three friends launch a new website. Each of the four friends e-mails the web address to three new friends. These new friends forward the web address to three more friends. If no one receives the e-mails more than once, how many people will ...
*February 11, 2015 by kyle*

**MATH**

What is my number if the hundreds digit is less than the tens digit and less than the ones digit and the hundreds digit is even and the tends digit divided by the hundreds digit is 5 and the product of two of the digits is 6 and it has two odd digits and one if the digits is ...
*August 28, 2014 by NANCY*

**Using souces and avoiding plagirism**

Question 4 What is a summary? a brief restatement using your own words an extended restatement that includes in-depth analysis a brief restatement using quotations an exact quotation of the main idea Question 5 Which of the following is not a characteristic of a summary? ...
*April 27, 2010 by christopher*

**math**

Can someone help me solve the following....using elimination methods 1) 5x+7y=43 -4x+y=25 2)9x-9y=36 7y-3x=-14 I think the answers are would the answer to number 1 be (-4.26,1.52)? would the answer to number 2 be (-0.5,-6.5)? Can someone please verify or tell me what I did ...
*March 13, 2010 by Holly*

**physics**

Using the following number: 26,802 In 4 significant figures, this number would be Answer. In 3 significant figures, this number would be Answer. In 2 significant figures, this number would be Answer. In 1 significant figure, this number would b
*January 29, 2015 by diana*

**physics**

Using the following number: 26,802 In 4 significant figures, this number would be Answer. In 3 significant figures, this number would be Answer. In 2 significant figures, this number would be Answer. In 1 significant figure, this number would b
*February 1, 2015 by diana*

**Business Math**

Joyce took out a loan for $21,900 at 12 percent on March 18, 2000, which will be due on January 9, 2001. using ordinary interest, Joyce will pay back on January 9 a total amount of: Answer: $24,068.10 Ordinary interest is 360 March 18 = 77 days January 9 - 9 days Interest = (P...
*January 29, 2012 by Liz*

**math**

kim ate 3/2 slices of an apple. Did he eat less than a whole apple or more than the whole apple. draw picture to show your answer
*February 27, 2012 by ashley*

**Algebra 2-Probability**

1. What is the theoretical probability of rolling a sum less than 5 using two number cubes? a.1/6 b.1/4 c.1/2 d.3/4 2. Segments parallel to the sides are used to divide a square board 3 ft on each side into 9 equal-size smaller squares. If the board is in a level position and ...
*September 19, 2011 by Nan*

**Algebra**

Simplify radical terms, including fraction power expressions. Review the expression below and describe how to simplify the expression: 16 1/2 Please help, I just do not know how to explain this.
*September 25, 2013 by Tricia*

**Chemistry**

If you divide the molar mass of a compound by the empirical formula mass, what is the result? That division should be VERY close to a whole number. Usually, 0.9 to 1.1 or 1.9 to 2.1 (all depending upon the accuracy and precision of experimental data). That number is the number...
*February 4, 2007 by Chris*

**Math**

Find the probability of the following if there are 30 students in the class who have been numbered and you use a calculator to generate random numbers between 1 and 30. A number less than 10.
*June 28, 2011 by Mike*

**Biology**

How is the expression of sex-linked genes similar and different from the expression of autosomal genes?
*October 21, 2009 by Ben*

**Biology**

How is the expression of sex-linked genes similar and different from the expression of autosomal genes?
*October 20, 2009 by Ben*

**Biology**

How is the expression of sex-linked genes similar and different from the expression of autosomal genes?
*October 21, 2009 by Alex*

**algebra 1**

use multiplying by 1 to find an expression equivalent to 11/14 with a denomenator of 56c the equivalent expression is-----
*December 5, 2010 by robbie*

**trig**

Choose the expression that is equivalent to the given expression. sin 6x tan 3x I got 2 sin^2 3x
*June 21, 2013 by tony*

**Algebra**

"If possible, completely factor the expression. (If the expression is not factorable, enter NF.) x2 − 6x − 7"
*November 10, 2014 by Lee*

**economics**

During the Enlightenment, the City of Calgary had a more-or-less free market in taxi services. Any respectable rm could provide taxi service as long as the drivers and cabs satis ed certain safety standards. Let us suppose that the constant marginal cost per trip of a taxi ...
*October 22, 2014 by AAAAAA*

**Chem**

1N2(g) reacts with H2(g) to form NH3(g), gaseous ammonia. Show balanced thermochemical equations based on both one mole and two moles of NH3(g). Determine Ho ( for both reactions using Table 6.2 (Hof). Use the summation equations. Show your calculations N2 +H2...
*October 20, 2014 by Feather*

**Math**

Theater has 108 seats, which are arranged in rows. The number of seats in each row is 3 less than the number of rows. How many rows of seats are in the theater.
*November 14, 2012 by Jamie*

**Finance 200**

How do I set this up? How do I do this? I'm not undestanding what she wants me to do. · Complete using the financial statement below to calculate the 13 basic ratios found in the chapter. There is NO need to repeat the financial statements in your assignment. Just show the ...
*March 30, 2010 by cari*

**Physics**

2.- A 2inx4inx8ft is leaning against the wall, draw afree-body diagram of forces on it. Give an expression throughdetailed steps using the diagram what would be the minimum angle ofthe wooden bar with the floor so it won’t slide.
*June 11, 2013 by Chi-Chi*

**algebra**

You had 207.00,but 2.00each day which algebraic expression describes the situation where d represents the number of days. Answers are 207+2d, 205d, 2+207d,207-2d
*February 15, 2014 by molly*

**math**

using digit 1,2,3,4 and 5 to form a 2-digit and a 3 digit number so that the product is the least product possible. using each digit only once
*August 29, 2012 by austin*

**Algerbra I**

Help me solve this. Please show me the work so I know how to do it. The difference between a number and twice it's reciprocal is 17/10.
*April 30, 2009 by Carol*

**Math**

Determine whether the statement is true or false. Show or explain why. If n is a natural number and 4 | n, then 8 | n.
*October 4, 2009 by Tim*

**Math**

Determine whether the statement is true or false. Show or explain why. If n is a natural number and 4 | n, then 8 | n.
*October 4, 2009 by Lyndse*

**chemistry**

Are the following quantum number combinations allowed? Else show any one way to correct them. a. n = 2, l = 0 m = -1 b. n = 4, l = 3 m = -1 c. n = 1, l = 0 m = 0 d. n = 3, l = 1 m = -2
*December 2, 2009 by Brittany*

**Pre-Calc**

Can someone show me how to do this please. I am stuck. find a number x such that e^2x – 12e^x =13
*December 9, 2010 by Roy*

**math**

The number of real solutions to the system of equations y=2sin(x^2) and y=x^3-x is a. 0 b. 1 c. 2 d. 3 Please show your work! Thank you!
*August 20, 2011 by Kathy*

**math**

you write an equation to show 54 pupil in class,3 more boys than the number of girls
*June 11, 2012 by leane hart garcia*

**math**

show why 7.32(times)0.8 has the same number of digits behind the decimal in the answer as it has in the problem.
*September 4, 2012 by dell*

**math**

on a whiteboard show how to estimate 399+147. draw a number line as needed
*September 24, 2012 by mythreyee*

**math**

What is the least number place value blocks you need to show 4,200? The greates?
*October 4, 2013 by Carmen*

**Physics**

Why is it highly unlikely to find an ion with a charge less than -4 or greater than +4? I need examples of different types of ions and evidence to support the logic using the concepts of ionization energy and electronegativity.
*August 6, 2013 by Sarah*

**math**

For this assignment, you will be finding the surface area and the volume of three different spherical objects. You will need to find three objects and measure the distance around the center using a ruler or tape measure. Show all work! I am using a lemon first. How do I get ...
*June 22, 2015 by crissy*

**MATH**

What number is less than10^-8? a)0.000001 b)0.0000001 c)0.00000001 d0.0000000001 10^(-8) = 0.00000001 figure it out from there. hint: (c) = 10^-8
*February 25, 2007 by JJ*

**math**

The average (arithmetic mean) of 4 numbers is greater than 7 and less than 11. What is one possible number that could be the sum of these 4 numbers?
*October 2, 2008 by Diana*

**algebra**

I am greater than 15 and less than 40 If you double me I become a number that ends in 0 and of me is equal to 5 [Click to preview algebra format]
*March 16, 2010 by Chelsea*

**ALgebra**

the difference between two numbers is 7. the larger number is 9 less than 3 times the smaller. find the numbers
*October 31, 2010 by mike*

**Calculus**

Determine the values of x, if any, at which each function is discontinuous. At each number where f is discontinuous, state the condition(s) for continuity that are violated. f(x)= x+5 if x is less than or =0 -x^2+5 if x>0
*January 27, 2013 by Paige*

**math**

The value of n is less than 20. Write the inequality that represents the value of n. I think I can graph it on the number line if I new what n was.
*April 9, 2015 by Jay*

**Algebra**

Can you please help me solve: Fifteen less than twice some number is 115. 15 - 2x = 115 is this the correct equation? thank you
*August 24, 2015 by Rachel*

**statistics**

Using measures of center and measures of variability compare the number of hours on school work (Q11) and the number of hours watching television (Q14). a) Which variable has greater variability? How do you know? b) What number of hours on school work would be at the 10th ...
*October 18, 2011 by Audrey*

**MATH HELP**

Joseph borrowed a book from a library. The library charged a fixed rental for the book and a late fee for every day the book was overdue. The expression below shows the charges Joseph paid for the book when he returned it x days after the due date: 2 + 0.25x What does the ...
*January 27, 2016 by Oscar*

**English**

1. Soy, kimchi, olive oil, lentils and yogurt are the world's five healthiest foods. (Is this statement right in meaning and diction? What is 'soy'? Is 'soy' soy sauce or soybean in the sentence?) 2. Today lunch is free in this restaurant. 3. Today lunch is for free in this ...
*December 18, 2009 by rfvv*

**math**

1.binomial 2.degree of monomial 3.monomial 4.perfect-square trinomial 5.standard form of polynomial A.a polynomial with two terms B.a polynomial in which the terms decrease in degree from left to right and there are no like terms C.a polynomial whith two identical binomal ...
*May 12, 2010 by ed*

**Algebra**

I am thinking of a number.It is a multiple of 3 but not 6.It is greater than 25^2 but less than 30^2.The units digit is a perfect square and the sum of the other two digits is the square root of 81. What is my number? A three-dimensional model of a city has a scale of 1 inches...
*February 12, 2009 by Christina*

**Math**

Suppose that it takes Sally 3 hours to mow, and it takes Tom 4 hours to mow the same lawn; Tom's mower is less powerful than Sally's. Without using algebra determine how long it would take Sally and Tom to mow the lawn if they worked together using both lawn mowers. Comparing ...
*November 19, 2013 by Nicholle*

**math**

1. Consider the function f(x) = x3 + 7x2 + 2x - 40 . a. Find the possible rational roots of f(x) = 0. b. Use synthetic division to divide f(x) by x - 2. Show all your work. Use your answer to explain whether or not x – 2 is a factor of f(x). c. Factor f(x) completely. Show all...
*June 6, 2011 by Maddie*

**AP chemistry**

A certain complex of metal M is formulated as MCl3 ∙ 3 H2O . The coordination number of the complex is not known but is expected to be 4 or 6. (a) Would conductivity measurements provide information about the coordination number? (b) In using conductivity measurements to...
*September 22, 2015 by stark11*

**Calculus**

The following table displays the number of HIV diagnoses per year in a particular country. Year 1997 1998 1999 2000 2001 2002 2003 2004 2005 Diagnoses 2512 2343 2230 2113 2178 2495 2496 2538 2518 a) Using Curve Expert or another curve modelling program, determine an equation ...
*January 11, 2014 by amy*

**math 4th grade**

If Sally gave a survey with five colors listed and ask each person who takes the survey to pick one color. She assumes that the results if given to 24 persons the results would be 1/2 blue, 1/12 red, 1/8 blue, 1/4 green, and 1/24 orange. What number of surveys would best prove...
*January 25, 2007 by j*

**MATH **

To solve for the following proportion, you could use equivalent ratios, divide out the known ratio, or use cross products. Choose one of these methods to solve for t. Show your work and explain why you chose that method. eighteen over five equals four over t.
*June 13, 2012 by Anonymous*

**Math**

Please help me with steps to work out the following problem. Simplist way possible. Mary needed different coloured balloons for decoration. She had $1.25 (Australian dollars) and spent it all on a number of white, red, and blue balloons. A white balloon costs $.10, a red one...
*November 21, 2015 by Kate*