Tuesday

May 3, 2016
Number of results: 78,457

**Computer programming**

The code below is supposed to calculate the average for a student using 10 grades. It contains several errors. Rewrite the code using the correct naming conventions and turn in the full solution and discuss using this topic. Dim arrGrades(10) as integer Dim num,I, iAverage as ...
*August 17, 2010 by Brenda*

**maths**

Sixty people were asked how many films they had seen in the past year. The results are shown in table 1. Table 1: number of films seen by a group of people during the past year No of film seen(x)0 1 2 3 4 5 6 7 8 N0 of people(f) 23 12 9 6 3 4 2 0 1 What percentage of people ...
*May 12, 2007 by roger*

**math**

I'm thinking of a number made from the digits 3,6 and 9. Each digit is used only once. My number is an even number. My number is greater than 400. What is my number?
*October 26, 2010 by selena*

**work**

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.true or false
*May 18, 2010 by lisa*

**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.” True or false
*March 2, 2012 by tywin*

**maths**

All the students in a school are made to stand in rows so as to form an equilateral triangle. The first row consists of one student, the second row 2 students, third row 3 students and so on. Had there been 90 more students, the total number of students could have been ...
*February 1, 2010 by rajshekhar*

**Math**

For the most recent year available, the mean annual cost to attend a private university in the United States was $20,082. Assume the distribution of annual costs follows the normal probability distribution and the standard deviation is $4,500. Ninety-five percent of all ...
*October 7, 2014 by Meredith*

**Economics**

Show price elasticity of demand for Company XYZ’s product. Using the following data: Price Quantity 2000 5.00 100 2001 5.25 115 2002 5.50 150 2003 6.00 198 Calculate endpoint elasticity from 2000 to 2003 over the entire period. Use the arc convention and the traditional ...
*October 25, 2006 by Yellow Bird*

**Algebra**

Tim's scores the first five times he plays a video game are listed below. 4,526 4,599 4,672 4,745 4,818 Tim's scores follow a pattern. Which expression can be used to determine his score after he played the video game n times. A.) 73n + 4,453 B.) 73(n + 4,453) C.) 4,453n + 73...
*November 16, 2015 by Danielle*

**English**

Open : 9:00 am.¢¦ 5:00 pm. (Mon ¢¦ Fri) (How do you read the above?) 1. From nine am. to five pm. (from Monday to Friday) 2. nine am. to five pm. (Monday to Friday) 3. From nine am. through five pm. (from Monday through Friday) 4 nine am. through five pm. (Monday through Friday)
*May 28, 2011 by rfvv*

**Algebra**

Is the square root of 362-a real number, irrational number, rational number, integer, whole number and or counting number?
*October 23, 2011 by Pat*

**Algebra 1**

Two fewer than a number doubled is the same as the number decreased by 38. Find the number. If n is "the number," which equation could be used to solve for the number?
*October 23, 2012 by Monica*

**Biology**

I am having trouble descibing how the expression of sex-linked genes is similar and different from the expression of autosomal genes?
*October 20, 2009 by Ben*

**chemistry**

Write the balanced equation and solubility product expression for the solubility equillibrium of Mn3(PO4)2: Ksp expression?
*November 29, 2010 by Karly*

**Math**

Use the cofunction identities to write an expression that is equivalent to each of the following expression. a) sin(pi/6) sin=cos(pi/2 - pi/6) What do I do next?
*January 23, 2012 by Antia*

**Algebra Answer Check**

What is the simplified form of the following expression? 7m^2 + 6.5n - 4n + 2.5m^2 - n a. 9.5m^2 + 1.5n (?) b. 4.5m^2 + 1.5n c. 1.5m^2 - 4.2n d. 9.5m^2 - 1.5n Simplify the following expression. 1/3(21m + 27) a. 7m + 27 b. 7m + 9 (?) c. 63m + 9 d. 7m + 81 What is the sum? 7/4...
*September 21, 2013 by Anonymous*

**Evaluate the expression.Algebra**

Evaluate the expression. (9/6) (6/4) (3/1) I think this are combination I try three different ways, now I am not sure how to do it.
*May 21, 2014 by Mary Ann *

**Sixth Grade Math**

Complete the following statement. As the value of n in the expression (1/4)^n increases, the value of the expression is? I need help with this question.
*December 14, 2014 by Jamar*

**Hate Math**

Consider the expression: (28/4). 5-6 + 4square. Explain the order of operations you would use to simplify this expression. then simplify it.
*March 12, 2015 by Mia*

**statistics**

#1: Total students 237, total males 41, need to estimate the proportion of students that are male using 90% confidece level. Also #2: estimate the proportion of students that commute less than 5 miles to work within 2% , what sample size would you need. Total students 237. ...
*March 1, 2013 by kathy l*

**Physical Chemistry**

Derive an expression for number of electrons N(E) with energy that can escape from a metal in terms of Z(E) (density of state) and F(E) (Fermi-dirac function) and ф (work function).
*November 18, 2011 by John*

**Algebra 2**

Dividing: Write the expression as a complex number in standard form 1) 2+5i/5+2i 2) 6-i√2/6+i√2 for the first one I solved it and I only got this far: 10+21i-10i^2/25-4i^2
*November 20, 2011 by Linda*

**Finite Math**

suppose x sheets from a 500 sheet ream of paper have been used. Write an algebric expression to represent the number of sheets that are left
*July 29, 2014 by Helen *

**Math**

What is 100^2-99^2+98^2-97^2+96^2-95^2 +...+ 4^2-3^2+2^2-1^2 ? (Find an expression where n is the largest number being squared, then use it to calculate the sum when n = 100. Hint: Examine specific cases where n is small. Then generalize).
*February 9, 2015 by Erika*

**math**

could someone please help me with this problem. Which of the following phrases does not describe the number -¾? (Points : 1) rational number irrational number real number negative number
*January 30, 2011 by Jasper*

**discrete math**

prove that if n is an integer and 3n+2 is even, then n is even using a)a proof by contraposition b)a proof by contradiction I'll try part b, you'll have to refresh me on what contraposition means here. Here is the claim we start with If n is an integer and 3n+2 is even, then n...
*September 27, 2006 by audryana*

**statistics**

Assume that a set of test scores is normally distributed with a mean of 100 and a standard devaiton of 20. Use teh 68-95-99.7 rule to find the following quantities: a. percentages of scores less than 100 b. relative frequency of scores less than 120 c.percentage of scores ...
*July 19, 2010 by terry*

**Algebra**

Build each rational expression into an equivalent rational expression with the indicated denominator. -7yt= ? ____ _____ 3x 18xyt
*July 10, 2009 by Sandra*

**Math**

State whether each expression is a polynomial. If the expression is a polynomial, identify it as monomial,a binomial, or a trinomial. 1.1/5y^3+y^2-9 2.6g^2h^3k Are these the right answers? Thanks 1.No 2.Yes, monomials.
*May 5, 2010 by Shadow*

**Math**

A sequence of numbers is defined by the expression a(subscript n) = 3n + n^2 Which sequence corresponds to this expression? A)4, 9, 12, 20 B)4, 10, 18, 28 C)4, 10, 15, 20 D)5, 10 ,15 20 Question: What am I supposed to do here? How would I solve this?
*October 11, 2010 by Amy*

**algebra**

Use the indicated property to write an expression that is equivalent to the following expression. (5 .12).17 ((associative property of multiplication)
*July 20, 2008 by JO*

**Algebra**

-7yt/3x=? /18xyt Build each rational expression into an equivalent rational expression with the indicated denominator.
*March 1, 2009 by help please*

**algebra**

Build each rational expression into an equivalent rational expression with the indicated denominator (-7yt)/(3x) =(?)/(18xyt)
*July 13, 2009 by Sandra*

**Expression**

(4/7)^3 *fraction* I have never done this kind of expression before. Answer 343/64 21,952 407 64/343 Is it A?
*September 24, 2013 by Alex*

**math**

6. Kevin wants to calculate the value of the expression below. Which shows an equivalent way Kevin could write this expression? - 17 + 3 a) - (17 + 3) b) - (17 - 3) c) (- 3 + 17) d) ( - 3 - 17)
*May 23, 2014 by kelsey *

**Math**

Add a term to b^2 - 4/5b to make the expression a perfect square. Write the results as the square of a bracketed expression.
*July 7, 2014 by Christopher*

**math**

Identify all components of this statement: 3a + 2b = 7. Is this an equation or an expression and why? o Constant o Variable o Term o Expression o Equation
*January 24, 2016 by John*

**Quantum Physics**

Suppose we ran m steps of Grover's algorithm on some function f (which has one marked element y) and the resulting superposition was exactly |y⟩. (a) What was the state after the (m−1)-th step? Note that you can describe the superposition by specifying two numbers...
*March 28, 2013 by plz help*

**math**

A retailer planned to buy some computers form a wholesaler for a total of Shillings 1,800,000. Before the retailer could buy the computers the price per unit was reduced by shillings 4,000. This reduction in price enabled the retailer to buy five more computers using the same ...
*March 1, 2015 by OJ*

**math**

A retailer planned to buy some computers form a wholesaler for a total of Shillings 1,800,000. Before the retailer could buy the computers the price per unit was reduced by shillings 4,000. This reduction in price enabled the retailer to buy five more computers using the same ...
*March 2, 2015 by OJ*

**math**

A retailer planned to buy some computers form a wholesaler for a total of shilling 1,800,000. Before the retailer could buy the computers the price per unit was reduced by shilling 4,000. This reduction in price enabled the retailer to buy five more computers using the same ...
*March 7, 2015 by John*

**Algebra**

What is the length of the interval of solutions to the inequality 1 ( is less than or equal to) 3-4x (is less than or equal to) 9? I presume that I just plug in numbers for x? The problem is, that all the positive numbers I've tried have made them way less than one, when its ...
*January 20, 2009 by Elle*

**math**

Marco jumped rope for 20 more seconds than Troy. The letter r represents the number of minutes that Troy jumped rope. Which expression shows the number of minutes that Marco jumped rope?
*May 5, 2014 by brianna*

**12th grade Data**

In this sequence, tk is a factorial number, often written k!. Show that tk=k!=k(k-1)(k-2)...(3)(2)(1)
*February 23, 2009 by Josh*

**Math**

Identify the number 126 as either prime or composite. Show or explain why
*October 4, 2009 by Connor*

**Math**

Decide whether or not the number 235,950 is divisible by 30. Show or explain why.
*October 4, 2009 by Anonymous*

**Math**

Identify the number 113 as either prime or composite. Show or explain why
*October 4, 2009 by Larry*

**Precalculus **

Can anyone help me with this question please!! Show that (cosh x)^2 - (sinh x)^2 = 1 for every real number x.
*March 22, 2010 by jh*

**math**

solve the two sided inequality and show the solutin on real number 7<1-2x<=10
*November 2, 2010 by Samee*

**5th math**

i need help with this problem .please! show me how to do it. What is the median for the following number? 11,30,24,20,15,31,32,20,18,29. thank you!
*January 4, 2011 by pat*

**math/number sense**

i need to draw 3 arrays to show that 20 is a multiple of 2,5, and 10. please help!
*January 5, 2011 by shy*

**trigonometry**

how can i find the anti-logarithm of this number. 5.07843058944 it should be 59477.5 can show me how.
*February 21, 2011 by anon*

**Calculus**

Show that non positive rational number, x, exceeds its cube, x^3 by exactly 1.
*September 9, 2012 by Peppa*

**5th grade math**

To nearest whole number, what is 106.37 - 78.89? Can you show me please?
*December 15, 2013 by kim*

**Math**

A single die is rolled. (a) What is the probability that the number on top is a 3. (Give your answer correct to two decimal places.) (b) What is the probability that the number on top is an odd number. (Give your answer correct to two decimal places.) (c) What is the ...
*May 28, 2013 by DeeDee*

**Math**

A single die is rolled. (a) What is the probability that the number on top is a 3. (Give your answer correct to two decimal places.) (b) What is the probability that the number on top is an odd number. (Give your answer correct to two decimal places.) (c) What is the ...
*May 29, 2013 by DeeDee*

**math**

A single die is rolled. (a) What is the probability that the number on top is a 3. (Give your answer correct to two decimal places.) (b) What is the probability that the number on top is an odd number. (Give your answer correct to two decimal places.) (c) What is the ...
*May 30, 2013 by Nora 2*

**Algebra**

1.Simplify the following expression. 4(20+12)÷(4-3) 4(20+12 ÷ 1 4 32 ÷ 1 128 2.A gym membership cost $25 to join and $14 a month. Write and use an algebraic expression to find the cost of the gym membership for 6 months. $25+$14x6m =$109 Did I solve the problems correctly? I ...
*August 31, 2015 by GummyBear*

**statistics**

A rental agent claims that the mean monthly rent, u , for apartments on the east side of town is less than $675. A random sample of 21 monthly rents for apartments on the east side has a mean of $674, with a standard deviation of $18. If we assume that the monthly rents for ...
*July 27, 2012 by Jim*

**Help With Math**

Using the quadratic formula to solve equations. -12^2 + 12 x-9 = -7x^2 10x^2 + 5x + 12 = 0 6x^2 + 12x = - 1 11x^2 - 7x -1 = 0 2x^2 -18x + 16 = 0 Can u show work to help me out
*November 13, 2007 by Monte'*

**algebra**

I need help, i have to solve the linear solution using substitution, the equations are 4x+3=y and x=y-2 Also, please show me how you did it if possible. Thanks!
*May 26, 2009 by Elissa*

**math**

Show at least two ways other than using a calculator to find Explain in writing why each makes sense.
*February 10, 2010 by ASHLEY*

**math**

find an equation of the linear function f using the given information. please show all steps and work f(-1)=1, f(1)=-2
*September 7, 2010 by Tristan*

**Math - Problem4**

Solve the inequality. Express your solution using interval notation and please show all of your work. x^4 - 7x^2 - 14 > 0
*June 9, 2011 by Greg - PV*

**2008 math**

Write the following as a sum using powers of 10 to show place value and explain your steps. 3) 620.83
*July 10, 2012 by tiffany*

**Chemistry**

Using chemical equations, show how the triprotic acid H3PO4 ionizes in water. Phases, such as (l) or (aq), are optional.
*January 26, 2013 by Debbie*

**Chemistry**

Using chemical equations, show how the triprotic acid H3PO4 ionizes in water. Phases, such as (l) or (aq), are optional.
*January 27, 2013 by Jessica*

**Chemistry**

Using chemical equations, show how the triprotic acid H3PO4 ionizes in water. Phases, such as (l) or (aq), are optional.
*March 26, 2013 by Anonymous*

**algebra**

Quadratic equation whose roots are 5 and -5 with coefficient 3 using the letter x to represent the variable please show steps
*June 9, 2014 by tbell*

**Child safety- car seat question**

To function properly,children's safety seats and restraints must: 1. be installed correctly and anchored to the vehicle. 2. face the back of the seat. 3. come with a lap belt and shoulder harness. Would number 1 be the best answer? My text says: "Safety seats and restraints ...
*April 17, 2007 by Belinda*

**Pre- Algebra**

Theo made the table below to show the number of middle school students who attended the last football game. If the data were displayed in a circle graph, how many degrees would be in the sector representing the eighth graders? Grades:6,7,8 Number of Students in attendance in ...
*February 26, 2016 by #FreeGucci*

**Ap Biology**

Unprotected skin cells mutate at a rate of 20% when exposed to 10 rads of UV radiation. A group of scientists tested whether Sun Screen X will decrease the mutation rate. 1100 cells were tested, exposed and counted. Only 200 cells had mutated, 900 cells remained unchanged. ...
*February 4, 2016 by Gentics problem*

**mechanics**

please help solve these questions (1a). The gravitational field strength g on the earth’s surface is 9.8N/kg. explain what this means.(b) Using the law of gravity, show that gr2= k. Where g=gravitational field strength at a distance r from the center of the earth (r>Re), ...
*January 1, 2016 by incredible*

**Math = graphing**

my daughter has to make a graph to show the number of deaths in 1593 as compared to the number of those deaths caused by the bubonic plague. The months are given (March thru December) with the total of each during each month. She is unsure as to what to put on the x axis and y...
*October 22, 2007 by Lisa*

**Math-Probability**

Data collected on volcanic eruptions give a mean time between eruptions of 29 months. Assume these eruptions occur as a Poisson process in time, find the: (a) Expected number of eruptions during the five-year period beginning from the time you have read this question. (b) ...
*January 22, 2012 by sand*

**Statistics-Probability**

Data collected on volcanic eruptions give a mean time between eruptions of 29 months. Assume these eruptions occur as a Poisson process in time, find the: (a) Expected number of eruptions during the five-year period beginning from the time you have read this question. (b) ...
*January 22, 2012 by sand*

**Statistics-Probability**

Data collected on volcanic eruptions give a mean time between eruptions of 29 months. Assume these eruptions occur as a Poisson process in time, find the: (a) Expected number of eruptions during the five-year period beginning from the time you have read this question. (b) ...
*January 24, 2012 by sand*

**writing**

I need to write several sentences describing a interaction with a friend or family member about personal finance or credit cards, using five different pronouns in the sentences. Can you please give me some understanding or examples?
*October 17, 2010 by michelle*

**math**

Write down an expression for the number of binomial paths which cross a rectangle from the point (0,0) to the point (3n,2m), with n,m > 1, but which are constrained to have a vertex on the point (n,m)?
*August 26, 2011 by ann*

**Math 8R - HELP! (homework qs. check)**

Simplifying Algebraic Expression Using the Distributive Property & Combining Like Terms Simplify: -3 (2+3x) + x - 5 -3(2) + -3 (3x) + x - 5 Answer - 6 + -3(3x) + x - 5 Is the answer is correct??? I'm getting a bit confused and struggling a lot in this problem. Please help me!
*October 15, 2012 by Laruen*

**Math**

need help on this review question. Determine each sum by writing an equivalent numberical expression using Commutative and Associate properties. 3 + 9 + 7 + 6 For commutative could you just put 3 + 7+ 9 + 6? I'm confused on what do do for associative since there are no ...
*March 27, 2013 by Brandi*

**MATH HELP!!!!!!! :(**

This is a riddle, and I'm supposed to find a 5-digit number from it..... My thousand's digit is the first that is perfect, but if you're not happy with that, it's also the product of the first two primes. My units digit is the odd of those two primes, and if you look at it and...
*August 24, 2011 by Catherine*

**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*

** algebraII**

the sum of the digits of a three digit number is six. the ten digit is one less than the units digit and the number is twelve more than one hundred times the hundred digit Find the three digits x y=x-1 z=7-2x x+x-1+z=6 2x-1+z=6 z=7-2x x-1=100(7-2x)+12 what is wrong with my ...
*September 10, 2015 by adeline*

**statistics**

Data on number of days of work missed and annual salary increase for a company's employees show that in general exployees who missed more days of work during the year received smaller raises than those who missed fewer days. A detailed analysis showed that number of days ...
*January 31, 2009 by Jannel*

**Calculus**

Integral of dx/{(x+1)sqrt(x^2+4x+2)} is given as -arcsinh{(x+2)/(xsqrt3)}, but I am not getting it.? The hint given is 'Put 1/(x+1)=t' Using it, the expression reduces to Int. -1/sqrt(1+2t-t^2). How to proceed further to get the desired result?
*February 19, 2014 by ms*

**college math**

1). Sum of three numbers is 45. One number is five more than the second number.It is also twice the third.Find the numbers. 2).Perimeter of quadrilateral is 52in. Longest side is is three times as long as the shortest side. The other two sides are equally long and are 5 in. ...
*March 11, 2012 by micah*

**Engineering:Digital Design**

Information given: 1) 2 X 8-bits input A and B 2) 1 X ?-bits function selector input 3) 1 X 8-bits output C 4) 1 bit overflow (designed as “flag O” ) Function selector are made up of: 1) A + B operation 7) A NOR B 2) A – Boperation 8) A XNOR B 3) A AND B 9) A RIGHT SHIFT (by...
*March 28, 2008 by John*

**8th grade science**

Please show me how to solve this problem. A person wearing a shoulder harness can survive a car crash if the acceleration is less that -300 m/s2. How far must the front end collapse if it crashes while going 101 km/hr? Thanks.
*February 14, 2010 by mike*

**Math**

A truck can be rented from Basic Rental for $45.00 a day plus $0.25 per mile. Continental charges $25.50 per day plus $0.40 per mile to rent the same truck. a) Write an expression to calculate the cost of renting and driving a truck from Basic Rental. Let x be the number of ...
*October 5, 2015 by Dustin*

**math**

Find a six-digit even number containing no zeros and no repeating digits in which the first digit is four more than the second digit, the third digit is one less than the sixth digit, and the fourth and fifth digits when read as a single number equal the product of the first ...
*May 7, 2012 by Chris*

**Algebra**

(11xy)¯^5/^7= 1/(11xy)¯^5/^7 Is this answer correct. Can someone tell me if I did this expression right. The instructions are to rewrite the following expression with positive exponenets.
*July 2, 2008 by Kim*

**Math**

State whether each expression is a polynomial. If the expression is a polynomials, identify it as a monomial,a binomial, or a trinomials. 1.7a^2b+3b^2-a^2b 2.1/5y^3+y^2-9 3.6g^2h^3k Are these the right answers? 1.Yes-trinomials 2.No 3.Yes- monomials.
*May 9, 2010 by Shadow*

**math**

Give an example of a real world situation that could be represented by the expression -1.4-2.3. Then simplify the expression and tell what the answer means in the context of the situation.
*September 12, 2013 by maureen*

**math**

Write an algebraic expression that uses x, y, and z and simplifies to the given value when x = -3, y = -2, and z = -1. The expression should involve only multiplication or division. How to do this when value is -16?
*September 20, 2013 by Anonymous*

**math**

Write the multiplication expression for each expanded form. The match the multiplication expression with its product. (7x900)+(7x80)+(7x7) A. 15,144 B. 7,065
*October 22, 2013 by Zachary Pratt*

**Math**

Please help I can't get it. Find the median 26,30,38,67,59,21,17,85,22,22 Give the five-number summary of each numbers 7,7,5,4,1,9,8,8,8,5,2 Find the range of each set of numbers 7,7,5,4,1,9,8,8,8,5,2
*March 11, 2008 by Cindi*

**St. Joseph**

The number of absences for five children in a local kindergarten class is as follows. # Absences Sophie3Bert749Billy6Joey8Julie2Kid2xx∑=x=∑2x
*August 6, 2015 by Peggy*

**MATH**

IF MY FRIEND CHOOSE A NUMBER AND THEN USED A RULE TO MAKE A NEW NUMBER HE DID THIS 7 TIMES USING THE SAME RULE THE TABLE BELOW SHOWS HIS RESULTS WHAT RULE COULD HAROLD HAD USED EXPLAIN INPUT OUTPUT 28 6 12 3 9 10 16
*October 29, 2009 by TATYANA*

**math**

if my ones digit is 5 more then the tens digit, i am greater than 25 and less than 35. what number am i?
*October 24, 2011 by Anonymous*