Wednesday

February 22, 2017
Number of results: 84,768

**1st grade**

I don't know how to do this.. I don't understand it. Use | and . to show the number 42

*February 9, 2009 by Xitlali*

**math**

Solve the inequality and show the number line. x + 29 < 33 for x > 0

*February 2, 2010 by TOM*

**algebra**

what is a good number sentence to show that 5 is a factor of 35?

*December 20, 2010 by kai*

**Math**

Show that [x] + [x + 1/2] = [2x] when x is a real number. [x] is the floor function, where [5/2] = 2 and [-5/2] = -3.

*June 5, 2011 by Sean*

**Math**

Show whole number solution from 0 to 8 for inequality x - 5 > 1

*October 30, 2011 by Shone*

**Math**

Write 2 24/12 as a whole number. Show work.

*November 5, 2012 by Jennifer*

**math**

What is the percent of each number? 1. 3% of 45 2. 44% of 125 3. 95% of 64 4. 2% of 15.4 Show your work

*November 14, 2013 by Please Help!!!*

**Maths**

Show that the reciprocal of 3+2√2 is an irrational number

*September 21, 2014 by T.N.*

**Math of class-10**

Show that 4/ root 3 is irrational number

*June 5, 2015 by Anonymous*

**math**

Draw a number line to show 3/4 and 6/8 are equivalent.

*May 1, 2016 by Hallen*

**math**

The product of two numbers is 60. If you divide the larger number by the smaller number you get 15. What are the two numbers? Please show how your two numbers meet the 2 criteria stated in this problem.

*January 19, 2011 by Anonymous*

**College Algebra**

Please help! x-2y+z=7 2x+y-z=0 3x+2y-2z=-2 a. Solve the above system of equations using Gaussian Elimination or Gauss-Jordan Elimination. You must show row operations. b. Solve the above system of equations using Cramer's Rule.

*November 17, 2010 by Roger*

**Math**

In the list of five measurements shown below, one is blurred. What must this value be, if the mean of the five measurements is 7? 8 5 10 3 #

*July 28, 2012 by Jordan*

**Math**

Hey can someone review my math and see if i did it correctly? The math question is: Choose one product from your business and determine the markup and gross profit for it. Assume that the retail price of the product is $85, the cost is $47, and the expenses are $13. Then using...

*December 6, 2015 by Justine*

**intermediate algebra**

joe has a collection of nickles and dimes that is worth $3.95. if the number of dimes was doubled and the number of nickles was increased by 21, the value of the coins would be $8.40. How many nickles and dimes does he have? show all your work. help me please

*August 22, 2012 by jr*

**science-SCI/230**

This is my first time using Jishka. Well, registering and using the site. I have checked the site when researching class topics we are learning. I don’t think I really have a question but I am looking for clarity of something for class. I just want to make sure that I have ...

*November 10, 2011 by Nolagrl*

**Algebra**

Andrew factored the expression 20x^3-12x^2+8x as 4x (5x^2-12x^2+8x). But when Melissa applied the distributive law and multiplied out 4x (5x^2-12x^2+8x), she got 20x^3-48x^3+32x^2; thus, Andrew’s solution does not appear to check. Why is that? Please help Andrew to ...

*June 29, 2011 by traci*

**algebra**

Andrew factored the expression 20x^3-12x^2+8x as 4x(5x^2-12x^2+8x). But when Melissa applied the distributive law and multiplied out 4x(5x^2-12x^2+8x),she got 20x^3-48x^3+32x^2; thus, Andrew's solution does not appear to check. Why is that? Please help Andrew to understand ...

*July 24, 2011 by ROCKY*

**Calculus**

In the interval (0 is less than or equal to x which is less than or equal to 5), the graphs of y=cos(2x) and y=sin(3x) intersect four times. Let A, B, C, and D be the x-coordinates of these points so that 0<A<B<C<D<5. Which of the definite integrals below ...

*December 5, 2013 by Rasheda*

**Algebra**

How come (2xy^2)^3 is equal to 8x^3 y-6? I thought that six exponent should be a five since you add them together. So 2 and 3 should be five. But why is this?

*September 12, 2009 by Elisa*

**Psychology**

In organizational psychology, the "Big Five" refers to five general principles to be used when making changes.

*February 16, 2010 by lola*

**Math**

Three dimes to five nickels ratio if three to five total 120 coins how many are fimes

*May 8, 2014 by Anonymous*

**science**

How does using coal to generate electricity A. using more coal reduces the amount of pollution from using oil <--------------- B. using improves the quality of nearby water C. using coal, instead of wood from trees, helps improve the environment D. using coal releases ...

*April 29, 2014 by help plzz*

**Algbra 2**

Divide using the division algorithm. Write your answer in the form Q + RD where the degree of R is less than the degree of D. x^3+3x+4/x+1 How am I supposed to do this?

*September 12, 2015 by Idkm*

**Math**

Please help! x-2y+z=7 2x+y-z=0 3x+2y-2z=-2 a. Solve the above system of equations using Gaussian Elimination or Gauss-Jordan Elimination. You must show row operations. b. Solve the above system of equations using Cramer's Rule.

*November 17, 2010 by Angel*

**Chemistry**

If 325mL of a 0.58 M solution of a propanoic acid (a fatty acid) was mixed with excess glycerol what is, the maximum number of molecules of fat or oil that could result?(you will need Avogadros number = 6.022 X 10 to the 23rd power)....I need to show all work and im completely...

*December 3, 2014 by Jennifer*

**Math**

The Robinsón's electric bills for the last five months have been $157.60, $182.09, $175.15, $166.27, and $162.04. Find the average of the bill. (To find the average, divide the sum by the number of addends.) -What does the sentence in the parentheses mean? do you have to find...

*June 26, 2012 by Losa: Flame Girl*

**math**

1. First of all, pick the number of times a week that you eat chocolate. This number must be more than one but less than ten. 2. Multiply this number by 2 (just to be bold). 3. Add 5 (for Sunday). 4. Multiply it by 50. 5. Add 1750. 6. Add the last two digits from the year you ...

*May 28, 2012 by opg*

**math**

Five houses, next door to each other, are on the even side of the road. They are all three digit numbers and the largest is a perfect cube.The second lowest is a triangle number.

*March 3, 2014 by george*

**Mathematics--Urgent**

Don is planting flowers in the school garden's planter box. The planting are is five and one-half feet long and 10 inches wide. Each plant is 2 inches wide. There must be 8 inches of space between the flowers. What is the largest number of plants he can put into the planter ...

*October 21, 2013 by Anonymous*

**Sequences**

Show full steps: 1a) Determine the formula for the nth term for 7,12,17... b) Determine the value of the 19th term,t19. 2) Determine the number of terms in the sequence 4,12,36...2125764. Show all necessary steps. There are 15 more questions but I think if you help me with ...

*May 25, 2013 by Mercy*

**math ~dont know all but check some~ pls help!!!**

1. Draw a model to represent the polynomial x2 + 2x + 4. (1 point) 1 big square, 1 tall rectangle, 4 little sqaures 1 big square, 2 tall rectangles, 4 little sqaures in the shape of an "L" 2 big sqaures, 4 little squares none of these 2. Simplify the polynomial. –3f2 + 4f...

*May 21, 2014 by TTR+S<3*

**math**

semir, sarah and sung so decided to raise money for a local homeless shelter by working in a local deli. the deli agreed to donate to the shelter a portion of the profits from each meal the three sold. semir sold 3 times as many meals as sarah. sung sold 2 more meals than ...

*October 14, 2014 by harry*

**physics**

Three objects lie in the x, y plane. Each rotates about the z axis with an angular speed of 4.44 rad/s. The mass m of each object and its perpendicular distance r from the z axis are as follows: (1) m1 = 6.00 kg and r1 = 1.00 m, (2) m2 = 4.50 kg and r2 = 7.10 m, (3) m3 = 3.60 ...

*April 22, 2014 by Anonymous*

**Algebra 2**

I need help with this problem because I do not have a graphing calculator. Explain how you would solve this equation using your graphing calculator in five steps then give the solution. 2x- 3y=8 5x+ 4y= 11

*October 23, 2007 by Christian*

**math**

Using numbers,words or symbols,write a rule that could be used to find the total cost of any number of museum tickets. You may use n to represent the number of museum tickets bought.

*December 3, 2007 by Paul*

**Math**

seven people meet and shake hands with eachother- how many handshakes occur? (second question) using inductive reasoning, write a formula for the number of handshakes if the number of people is n

*August 25, 2008 by Shay*

**computer science**

a) What is the largest positive number that can be represented in 12 bits using one’s complement? Represent the number in bits and decimal as well. Assume the first bit is the sign bit. (2 marks)

*March 23, 2014 by lex*

**Math**

An adult polar bear walks at an average rate of 5 kilometers per hour. 1. write an equation to find k, the number of kilometers a polar bear bear can walk in h hours. 2.make a table to show the relationship between the number of kilometers k a polar bear can walk and the ...

*February 21, 2015 by Angelina*

**English**

“Well that’s sculpture, making a ’74 Toyota look like a ’63 Corvette, only I didn’t think of it that way... I was doing good work, and I was making good money. A. to prepare the reader for a change in topic. B. to show Ramirez’s pride in discussing his work. C. to ...

*December 2, 2014 by Jim*

**Final Exam- Honors Physical Science**

how can you determine the number of protons, electrons,neutrons, atomic number, and the atomic mass of an element using the periodic table? Atomic mass is given in the table, as well as the atomic number and atomic mass number. Atomic number is the number of protons, which is ...

*June 4, 2007 by Kate*

**math 12 - sequences and series**

Given the expression Sn = n^2 + 2n for the sume of the first n terms of a series, determine a) An expression, in simplified form, for Sn-1 in tmers of n b) an expression, in simplified form, for the nth terms, tn in terms of n

*March 1, 2010 by CL*

**math**

What mystery 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 digits 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 ...

*April 16, 2012 by Adonis*

**math**

you are making a fence of your garden the length is five less than two times the width write a polynomial that represents the perimeter of the garden write a polynomial that represents the area of the garden

*February 22, 2015 by afnan*

**math**

Fifteen painters can paint a number of houses in 12 days .if the number of painters is increased by 5, how many days less would it take the painters working at the same rate to paint the houses?

*January 5, 2015 by kgk*

**math**

Fifteen painters can paint a number of houses in 12 days .if the number of painters is increased by 5, how many days less would it take the painters working at the same rate to paint the houses?

*January 10, 2015 by king*

**math**

can someone help me ? If you roll a die many times, what would you expect to be the relative frequency of rolling a number less than 6? A) 2 out of 3

*March 25, 2007 by Carlos*

**Math**

Translate to an inequality. Use the variable x. The number of people in the chess club is less than or equal to 14. The answer is ? ? ?. I am lost!!

*October 2, 2009 by Tracy*

**geometry**

In exercises 17-20, a single die is rolled one time. Determine the probability of rolling a number greater than 3 or less than 5.

*June 11, 2012 by angela*

**math**

translate and simplify"six less than twice the sum of a number and three" choices are A)-2x b)2x c)-2x+9 d)2x-3 I set it up 2(x+3)-6 2x+6-6 answer=2x Is this correct Thanks

*January 21, 2013 by ES*

**algebra 2**

A single die is rolled one time find the probability of rolling a number greater than 3 or less than 2, need help

*April 29, 2013 by bernie*

**math**

what is the mystery number?greater than 1oo -odd more than 3 tens less than 150 the sum of the digits is 12?? please help

*February 5, 2015 by Anonymous*

**Algebra**

PLEASE HELP!!! Write a function rule that represents each sentence.: 1. 7 less than three times m is n. 2. 14 more than the quotient of a number t and 10 is u.

*February 17, 2016 by Samantha*

**5th grade algebra word problem**

Ron made cookies for the fair. His sister made candy. Four cookies were packaged together, and 6 pieces of candy were packaged together. There were 6 more packages of packages of candy. Write an expression for the number of packages of cookies.____. Then find the value of the ...

*September 7, 2010 by Kathy*

**Algebra**

Question 1 Solve using the multiplication principle then graph. -15>-75 Question 2 Translate to an equality. Use the variable x. The number of people in the chess clubi less than or equal to 15. Question 3 Solve using the addition and multiplication principles 2.1x+20.8>...

*March 6, 2010 by Queen D*

**College Algebra**

Let x = the number of birds that Tim has. Let y = the number of dogs that Tim has. Tim has more than twice as many dogs as he has birds. Tim has more than 2 birds. The total number of dogs and birds that Tim has is less than 11. Set up an appropriate system of linear ...

*October 4, 2016 by Marie*

**algebra**

Consider making a four-digit I.D. number using the digits 3,5,8, and 0 a. How many I.D. numbers can be formed using each digit once? b. How many can be formed using each digit once and not using 0 first? c. How many can be formed if repetition is allowed and any digit can be ...

*April 1, 2013 by Karina*

**Biology Help Please!**

1) A transcriptional fusion of regulatory sequences of a particular gene with a reporter gene results in relatively uniform expression of the reporter gene in all cells of an organism, whereas a translational fusion with the same gene shows reporter gene expression only in the...

*May 2, 2016 by Tenshi*

**calc**

Use the Mean Value Theorem to show: -x < sinx < x for all x > 0 (and where I have the inequalities, it's supposed to be less than or equal to for the first two and greater than or equal to for the last one, I just didn't know how to type it)

*November 3, 2011 by nate*

**English**

Can you please tell me if it is correct? Write five things you have to do when at home and five you don't have to do.

*May 4, 2011 by Henry1*

**Algebra 2**

For the period 1990-2002, the number s (in thousands)lf cellular telephone subscribers in the United States can be modified by S=858t^2 + 1412t + 4982 where t is the number of years since 1990. In what year did the number of subscribers reach 50 million? The choices are the ...

*September 24, 2013 by Krystal*

**math/116 algebra**

Application Practice Answer the following questions. If appropriate, use Equation Editor to show your work. First, save this file to your hard drive by selecting Save As from the File menu. Click the white space below each question to maintain proper formatting. Each part is ...

*March 21, 2011 by ruth*

**Math: Need Answer to study for a quizz. Help ASAP**

Estimate the area under the curve f(x)=x^2-4x+5 on [1,3]. Darw the graph and the midpoint rectangles using 8 partitions. Show how to calculate the estimated area by finding the sum of areas of the rectangles. Find the actual area under the curve on [1,3] using a definite ...

*November 18, 2010 by Jesse*

**algebra**

Andrew factored the expression 28x©ø-6x©÷-10x as 2x(14x©ø-3x©÷-5x) . But when Melissa applied the distributive law and multiplied out 2x(14x©ø-3x©÷-5x), she got 28x©ù-6x©ø-10x©÷; thus, Andrew¡¯s solution does not appear to check. Why is that? Please help ...

*June 12, 2011 by cal*

**intermediate algebraDivide**

Essay: Show all work. A gardener wants to create a rectangular garden with length of 2x-3y ft. and width of x+4y ft. What is an algebraic expression for the area of the garden? Be sure to multiply this out, express in simplest correct mathematical form, and include units.

*July 18, 2011 by sheba*

**math problem**

In a television game show, there are five questions to answer. Each questin is worth twie as much as the previous question. If the last question was worth $64000, what was the first question worth?

*August 8, 2009 by marcus*

**MAT-104 (Math)**

Listed below are five female and five male Wimbledon tennis champions, along with their country of citizenship and handedness. Female Male Stephi Graf, Germany, right Michael Stich, Germany, right Martina Navratilova, U.S., left Stefan Edberg, Sweden, right Chris Evert Lloyd, ...

*May 11, 2013 by Neal*

**Algebra Question 1**

5. Business B pledged $20 million less than twice the amount pledged by Business A. Business C pledged $200 million less than twice the amount pledged by Business B. If x represents the amount pledged by the Business A, write expressions to show the amounts pledged by Business...

*October 6, 2011 by Jab*

**Genetics**

Describe the inheritance and expression of cystic fibrosis, Tay-Sachs disease and sickle-cell anemia. I didn't understand what the question meant by "expression." Please help!

*February 24, 2008 by Anonymous*

**precal**

use a right triangle to write the expression as an algebraic expression. assume that x is positive and in the domain of the given inverse trigonometric function. sin(sec^-1 ãx^2+ 25/(x))

*March 8, 2010 by adam2*

**College Math**

Simplify the algebraic expression 3xz + 4xy – 2yz + xy + 5yz – 9xz and evaluate it for x = 3, y = -2, z = -5. Identify the variables, constants, and coefficients in the simplified expression.

*October 11, 2012 by Richard D*

**College Math**

Simplify the algebraic expression 3z3 – 5x2 + 2 – 4y2 + 6x2 – 4z3 – 7y + 12 – 2x and evaluate it for x = -2, y = -3, z = -4. Identify the variables, constants, and coefficients in the simplified expression.

*October 11, 2012 by Richard D*

**physics**

find the expression for the acceleration of a cylinder rolling down without slipping on a rough inclined plane also obtained an expression for coefficient of friction

*March 19, 2013 by shashi ranjan*

**math**

A.) write the rational expression as an equivalent expression whose denominator is the given polynomial. 1.) 6/7x^2y = ________/49x^3y^2 B.) perform the indicated operations, simplify if possible. 2.) x^2-3x-4/x^2-16 x x+4/3x-9

*December 6, 2015 by Allie*

**algebra**

help me please im confused Consider the quadratic expression X^2 + 4x + c = 0. For what range of values does the equation have two complex roots? what am i doing here can someone show me step by step so i can at least try to do the other problems i have

*October 8, 2013 by toni*

**algebra**

Need help for a test show all steps to solve problem evaluate the expression for given value of variable. -(4h-1) line is under 4h-1 under line is|th then it is ;h=2 can't text back on kindle don't have a button to reply thank you

*February 19, 2014 by Molly*

**Math Homework**

I'm really confused on how to do this. Can someone show me step by step on how to solve this? The directions say to use the Sum-to-Product formulas to find the exact value of the expression. sin 5pi/4-sin 3pi/4

*February 3, 2015 by Rachel*

**English**

1. He is less tall than Tom. 2. Tom is taller than he. 3. He is less smart than Tom. 4. Tom is smarter than he. 5. He is less big than Tom. 6. Tom is bigger than he. 7. He is less careful than Tom. 8. Tom is more careful than he. 9. He is no thoughtful than Tom. 10. Tom is ...

*July 13, 2016 by rfvv*

**math**

Can someone please show us how to show 1500 x 2.1? I can not for the life of me show my daughter how to come up with the correct answer she is just not getting what I am showing her.

*September 26, 2007 by Ree*

**math**

an executive committee of three is selected from a group of ten which expression best describes the number of combinations? A)10P3 B)10! C)D)10P3/31

*March 24, 2011 by Sam*

**maths**

If the expression (x^2+2x−1)^8 is completely expanded, what is the sum of the coefficients of the terms with even powers of x? Details and assumptions 0 is an even number.

*April 30, 2013 by ianian*

**programming**

I am supposed to make a pseudocode for a fat gram calculator and I want to know if my code is correct. This is the instructions: Design a program that asks for the number of fat grams and calories in a food item. Validate the input as follows: - Make sure the number of fat ...

*October 15, 2014 by Bryson*

**Is My Pseudocode Correct? - Programming**

I am supposed to make a pseudocode for a fat gram calculator. These are the instructions: Design a program that asks for the number of fat grams and calories in a food item. Validate the input as follows: - Make sure the number of fat grams and calories are not less than 0 - ...

*October 15, 2014 by Bryson*

**Math**

Five times the larger of two numbers plus four times the smaller is 271. Three times the larger less twice the smaller is 57. find the numbers

*February 29, 2016 by Lisa*

**Algebra**

One number is 6 more than another number and their sum is 2. How would i make that an equation thought. for example if the question was, Jane spent $42.00 for shoes. This was $14 less than twice what she spent for a blouse. How much was the blouse? the equation would be, 42= ...

*January 20, 2007 by Steve*

**Physics**

if the unit of power is the watt (W), and P = Fd/t, show using the result of question (2) and the fact that distance (d) uses units of meters and time has units of seconds. *** question 2. If m represents mass in kg, v represents speed in m/s, and r represents radius in m, ...

*September 12, 2011 by Allana*

**Physics**

if the unit of power is the watt (W), and P = Fd/t, show using the result of question (2) and the fact that distance (d) uses units of meters and time has units of seconds. *** question 2. If m represents mass in kg, v represents speed in m/s, and r represents radius in m, ...

*September 12, 2011 by Anthony*

**tough pH problem #2 possible solution**

Using the HH equation. pH = pKa + log (base/acid) . I chose pH of 7.45 because I want to minimize the amount of Hepes I have to use so making the pH higher will mean less HEPES would have had to be added originally.. plug in pH of 7.45 and pka of 7.55 and solve for the base/...

*October 9, 2006 by ajones51*

**math**

suppose you invest $525 for five years at an annual interest rate of 4.2%. What is your balance at the end of five years rounded to the nearest cent?

*December 15, 2009 by Jas*

**math/algebra**

three fourths = seven tenths = two thirds = eleven twentieths = five eights = twenty one twenty five =

*February 29, 2012 by fatima*

**English**

I need to write a speech that covers in detail five PowerPoint slides and is about five minutes long. Where do I start, and how do I organize the speech?

*April 29, 2015 by Anonymous*

**Geometry (sorta)**

seven people meet and shake hands with eachother- how many handshakes occur? (second question) using inductive reasoning, write a formula for the number of handshakes if the number of people is n

*August 25, 2008 by Shay*

**Chemistry**

using the balanced reaction equation for the combustion of propane, determine the number ofmoles of oxygen that would react with.50 mol propane and the number of moles of carbon dioxide that would be produced?

*January 9, 2011 by Blake*

**Physics**

Which of the following is correct for a step-down transformer? Number of turns in the primary coil is less than the number of turns in the secondary coil. Step-down transformer increases the voltage from low value to high value. Number of turns in the primary coil is more than...

*October 22, 2012 by Liam*

**programming techniques**

how do modular program work, can you show me an example of it using dowhile pseudo code.

*July 11, 2008 by alberto*

**math (if someone could show me the working pls)**

calculate the difference of the square using the following formula a^2-b^2=(a+b) (a-b) 1)28^2-12^2

*August 20, 2009 by keisha*

**Maths**

There are 3 vectors: p= 7i + 10j q= 3i + 12j r= -i +4j Could you show me how to find the angle PQR. using the scalar product.

*March 14, 2011 by Anique*

**math**

solve the inequality, write answer using interval notation pleas show the work 50/x+4+1<4x

*November 11, 2011 by mz tee*

**calculus**

Show that the equation;x+3sinx=2 has a root between x=0.4 and x=0.6 using newton raphson's formular only

*November 16, 2011 by farouk*

**Trignometry**

How can I find the exact value of 4cos(7ð/4)-2sin(ð/3) without using a calculator (show work)?

*January 31, 2012 by Anonymous*