Using two examples for each operation (addition, subtraction, multiplication and division), use two fractions which will equal 2/5

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Math

Using two examples for each operation (addition, subtraction, multiplication and division), use two fractions which will equal 2/5.

math

as well as addition,subtraction,division and multiplication.Sally invents the operation Q. when you see Q between two numbers,you double the sum of their squares. The value of 5Q12 would be ?

math

How can you make 34 by only using the digits 1, 2, 3, and 4? You can put two numbers together (ie 12 or 34). You can use the operations: addition, subtraction, multiplication, (NO DIVISION!!), exponents, and parentheses any way you want!! Please help!!!!

math

How can you make 7 by only using the digits 1, 2, 3, and 4? You can put two numbers together (ie 12 or 34). You can use the operations: addition, subtraction, multiplication, (NO DIVISION!!), exponents, and parentheses any way you want!! Please help!!!! I also need 13, 17, and...

math

What inverse operation is needed for the first step in solving the equation 12+5x=22? a. addition b. subtraction c> multiplication d. division

Geometry

An equation using the numbers 2,4,6 and 8 to get the answer to be nine. You may use multiplication, division, subtraction, addition, and parenthesis. im so stumped.

Math

With fractions do you always have to find a common denominator in addition, subtraction, multiplication and division? For each of the above mathematical operations?

math

115-100+3*5= 115-100+3*5...Use BEDMAS (Bracket, Exponent, Division/Multiplication, Addition/Subtraction). So you would first do 3*5 which is 15. So you'd have: 115-100+15 And then from there solve to get 30. It's PEMDAS Raj!! P - PARENTHESSE E - Exponent M - Multiplacation D...

Math

Write equations that equal the number 44 using exactly four 4's 4sqred plus 4sqred plus 4qred minus 4 (donno if it counts) Hi Tom , We can only use the symbols of multiplication, division, subtraction and addition. Please try again Thanks 4-4+44 = 44

Math

1. Complete two column proof. Given: x/6+2=15 Prove: x=78 x/6+2=15 A:______ x/6=13 B:______ x=78 C:_______ A:a. Given b. Subtraction Property of Equality c. Division Property of Equality B:a. Given b. Addition Property of Equality c. Multiplication Property of Equality C:a. ...

Geometry

Complete the two-column proof. Given: x/5 + 9 = 11 Prove: x = 10 x/5 + 9 = 11 a.__________ x/5 = 2 b.__________ x = 10 c.__________ A) a. Given b. Subtraction Property of Equality c. Division Property of Equality B) a. Given b. Subtraction Property of Equality c. ...

MATH MULTIPLICATION!!!

PLEASE HELP ME SOLVE THIS PROBLEM: 4((3x-6)/(6x+2))^3 * ((42)/(6x+2))^2 okay, here your going to use PEMDAS. Parenthesis, Exponents, Multiplication, Division, Addition, Subtraction go in order of PEMDAS. does that help? (3+4}2*-(2*4)2 4=

Math

using the numbers 24-12-7-2...in any addition subtraction division or multiplication combination, i have to come up with the sum of 24. Help.

Math

Take an odd digit and use it exactly three times, so that the three digits are equal in value to an even number. ADDITION, SUBTRACTION, MULTIPLICATION AND DIVISION CANNOT BE USED! Can you please help me!

What do I do?

Here's the problem: In a load of 3/4 ton of steel rods, 1/8 are bent. How many tons of steel rods are bent? I don't know which operation to use. Should I use addition? Should I use subtraction? How 'bout division? Should I use multiplication because of the word "of...

Algebra

To solve the following system of equations by elimination, which operation would you perform first? 234x + 65y = 219 1225x + 65y = 427 F. addition G. subtraction H. Multiplication I. division

math

How can I add a two digit number and two three digit numbers in my head. Any tricks anyone knows in connection with short-cuts to solving different math problems( such as addition, subtraction,multiplication, division, rounding, conversions, percents) in your head when you can...

Math

use addition, subtraction, multiplication and/or division to make a statement true 3 3 3 3 3 3=100

5th Grade Math

I cannot get my brain around questions like this: 1/4 divided by 2/5 = 2/4 x ? I have 4 problems like this and even the example doesn't make sense - I may have copied it wrong off of the board. Can anyone help? Thank you! You invert the second fraction and then just multiply. ...

Geometry(stumped)

Complete the two-column proof. Given: x/5 + 9 = 11 Prove: x = 10 x/5 + 9 = 11 a.__________ x/5 = 2 b.__________ x = 10 c.__________ A) a. Given b. Subtraction Property of Equality c. Division Property of Equality B) a. Given b. Subtraction Property of Equality c. ...

math

using exactly four 4s and only addition, subtraction, multiplication, and division, write an expression that equals each of the numbers from 1 to 10. you do not have to use all the operations, and numbers such as 44 are permitted

math

16_k=8 In the equation above, _ represents one of the operations of arithmetic: addition, subtraction, multiplication, or division. If k is a positive integer not equal to 8, what must be the value of k?

help me

under which operation is the set {-1,0,1} closed? 1 multiplication 2 addititon 3 division 4 subtraction

i need help completing this MATH question!

ORDER OF OPERATIONS step 1. first do operations that accur within_____________. step 2. then evaluate_________. step 3. then do_________and_______from left to right. step 4. finally, do______and_______from left to right. here are your choices in alphabetical order: addition ...

algabra

What is an expression to simplify using at least three of the following? Groupings: Parenthesis, brackets, or braces Exponents Multiplication or division Addition or subtraction

Asap/Algebra

Simplify the following expression. suare root -104, square root -8 (these two radicals are beside each other without a addition, subtraction, multiplication, or division sign)

Math puzzle

Make the number 500 by mathematically combining eight 4's. You may use addition, subtraction, multiplication and division. You may also "push" them together.(44)

mathematics help me plz.....

under which operation is the set {-1,0,1} closed? 1 multiplication 2 addititon 3 division 4 subtraction

5th grade

addition subtraction multiplication and division

Math

In The expression 7^3-4x3+8 , the first operation is? A.An exponent B.Subtraction C. Multiplication D.Addition

math

3 5 7 18 3=14? insert addition, subtraction, multiplication, and division to complete equation

Algebra

An operation is commutative if you can change the order of the numbers involved without changing the result. Addition and multiplication are both commutative. Subtraction is not commutative: 2 - 1 is not equal to 1 - 2. So my question is what’s the difference between 2 - 1 ...

Math

How is combing radicals by addition and subtraction similar to combining monomial expressions by addition and subtraction? Please use examples.

Very easy math

my teacher told me that the inverse of addition was subtraction and that the inverse of subtraction was addition... could you prove it to me -x = (-1)x ((-1)x)^-1 I don't see how I'm suppose to get + x by taking the inverse of -x i've always been told in math to just to the ...

geography

indicate the equation of the line that is the perpendicular bisector of the segment with endpoints (4, 1) and (2, -5) it shows a series of boxes and says to fill them in... _+_ _=_ _ _ _ _ each underscore represents a box. characters to use include; = < > ~ *(...

computer programming

Make an Maplet that does the simple calculator funtions as addition, subtraction, multiplication, division, factorial, sin(), cos(), tan(). (using maplet in maplesoft)

Math

Explain how the order of operations determines how you simplify a numeric expression. explain the rules for addition, subtraction, multiplication, division, and the use of grouping symbols.

Math

I have to use the numbers....24-12-7-2 and use any combination of division subtraction multiplication and addition to come up with a final sum of 24. I have tried every combination i know of. please help

math

hi! I am having problems with my caculator. it is the complex kind of caculator. I have been trying to play around with it. when ever I use decimals with multiplication, division, subtraction, and addition, the answer is a fraction. doea anybody know how to use these kinds of ...

math

give reasons of solving rational exponent or radicals in terms of, addition, subtraction, multiplication and division.

math(algebra)

How can you solve problems involving equations that contain addition subtraction multiplication or division? Pls help me!!

Math

Use multiplication, division, addition and subtraction and at least one set of parentheses to write an expression that simplifies to 7, 13, or 17. Do your work step by step and explain each step as you simplify the expression. Demonstrate the consequences of not using the ...

algebra

how can i find an example for multiplication, division, addition and subtraction and at least one set of parentheses to write an expression that simplifies to 7, 13, or 17.

Math

If 360 workers called in sick and 240 went to work, how many workers work at the company all together? Solve using fractions and multiplication or division. Obviously the answer is 600 but how do I solve the problem using multiplication or division?

math

Place any of the four operations signs (addition, subtraction, multiplication, or division)in the boxes to make the following sentence true. 1___2___3___4=6

Math--1 question

Name the inverse operations for each of the following operations. a. addition b. division c. multiplication d. subtraction

economics

Young Saul, a budding mctaemhtiaian and printer, is making himself a fake ID. He needs it to say he’s 21. The problem is he’s not using a computer, but rather he has some symbols he’s bought from the store, and that’s it. He has one 1, one 5, one 6...

math

why dosnt the commutitive property work with subtraction and division? For subtraction : Because a - b and b - a are not the same. They are of opposite sign. For division: a/b does not equal b/a. If it did, you would have a^2 = b^2 for ANY a and b, which is impossible

Math

using the numbers 24 12 2 7...in any addition subtraction division or multiplication combination, i have to come up with the sum of 24. Help. I have tried every combination i can think of the closest i have come is 22 or 26

Math

Use multiplication, division, addition and subtraction and at least one set of parentheses to write an expression that simplifies to 7, 13, or 17. Do your work step by step and explain each step as you simplify the expression. Demonstrate the consequences of not using the ...

math

Use each of the integers 1-9 exactly once in any order to write a numerical expression equal to 2011. An integer may be written as an exponent, and the operations of addition, subtraction, multiplication, and divisions as well as grouping symbols may be used.

math: and i really need help

3x(a-5)=6 What is the value of a ? 3x(a-5)=6 is x multiplication or variable multiplication Multiplication=* Division=/ 3x(a-5)=6 3*(a-5)=6 (3*a)+(3*5)=6 3a+15-15=6-15 3a=-9 3a/3=-9/3 a=-3 I hope this helps. I am not 100% sure this is right. Or it can be expressed as: 3 x (a-5...

math

Whatwould be the answer 3+9+6+52x963+??? The answer depends upon where you put the parentheses. The order of operation makes a big differnece The answer depends upon where you put the parentheses. The order of operation makes a big differnece I agree with drwls...... But, ...

Algebra PLEASE?

Using the numbers 5, 8, and 24, create a problem using no more than four operations (addition, subtraction, multiplication, division, square, square root, cube, cube root) where the solution will be an irrational number. Explain why the result of your operations is an ...

algebra 1A

could someone write me an expression using three of the following? 1. multiplication, addition & subtraction. thank you

math

Using the numbers 5, 8, and 24, create a problem using no more than four operations (addition, subtraction, multiplication, division, square, square root, cube, cube root) where the solution will be an irrational number. Explain why the result of your operations is an ...

math

Please help. Please. using the numbers 24 12 2 7...in any addition subtraction division or multiplication combination, i have to come up with the sum of 24. Help. I have tried every combination i can think of the closest i have come is 22 or 26

6TH GR. ALGEBRA

EXTENDING THE LESSON If you add any two rational numbers, the sum is always a rational number. So, the set of rational numbers is closed under addition. Is the set of rational numbers closed under subtraction. multiplication,and division also? Explain.

writeacher

because in the previous message about the pemdas it is parenthesis,exponents,multiplication,division,addition,subtraction therefore how that little part that looks like this 12 divided by 2*2 it would be multiplication first then SORRY THEN DIVISION SO THAT MEANS OVERALL IT IS...

Geometry

How many lines of symmetry on the four operating symbols? Addition sign : 4 Subtraction sign : 2 Multiplication sign : 4 Division sign : 2

math

Is there Distribute Property of Division over addition or subtraction? I have all ready have the information for Multiplication and can you please help as soon as possible as I have a test on this tomorrow!! Thank you.

Math

Working with simple addition and multiplication of positive and negative numbers. Have completed 59 of 60 problems on a worksheet, I am stumped by one of them. For example Two numbers are given 30 and 13, You must find two number multiplied together equal -30 and when added ...

math

I would appreciate any help thanks select two intergers between -12 and +12 write two equations that have the two intergers as solutions. solve the equation using addition/subtraction method

math

-4+[3-10] Just use BEDMAS...bracket, exponent, division and multiplication, addition and subtraction. -4+[3-10] Since 3-10 is in the brackets, you do that first and get -4, so you have -4 + (-4), and your final answer is -8. Raj must have made a typo. 3-10 = -7, giving you a -...

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>...

math

1. Select any two integers between -12 and +12 which will become solutions to a system of two equations. 2. Write two equations that have your two integers as solutions. Show how you built the equations using your integers. Your solution and equations should not be the same as...

another one ASAP

using the number 5, 8, and 24, create a problem using no more than four operations (addition, subtraction, multiplication, division, square, square root, cube, cube root) where the solution will be an irrational number. explain why the result of your operations is an ...

math

I do not undeerstand this question for homework. Determine if the set is closed for the given operation. 1. yes or no- The set of positive fractions for division. 2. yes or no=The set of positive integers for subtraction. Can someone help me?

physics

Ok, so I know the different kinds of forces (applied, normal, gravity, parellel, and friction). And I know how to sub in other numbers for those forces ( for example, Parallel force is equal to mass times gravity times sine theta). I also know the "base" equation (a=net force/...

Math, algebra!! Please help!!!!!!

Using the numbers 5, 8, and 24, create a problem using no more than four operations (addition, subtraction, multiplication, division, square, square root, cube, cube root) where the solution will be an irrational number. Explain why the result of your operations is an ...

Algebra 8th grade please help!!!!!!

Using the numbers 5, 8, and 24, create a problem using no more than four operations (addition, subtraction, multiplication, division, square, square root, cube, cube root) where the solution will be an irrational number. Explain why the result of your operations is an ...

Precedence rules for the algebra community

Precedence of operators In simple algebra, there is a set of precedence (priority) of operations that should be respected in order that everyone evaluates mathematical expressions in the same way. Although these rules have been taught in elementary school or junior high school...

Geometry

How do I solve this? Complete the two-column proof. Given : 11x – 6y = –1; x = 8 Prove: 89/6= y 11x – 6y = –1; x = 8 88 – 6y = –1 –6y = –89 y = 89/6 89/6= y • a. Given; b. Symmetric Property of Equality; c. Subtraction Property of Equality; d. Division ...

math

can someone help me figure these literal equation out? I did them before but my teacher said they were incorrect. Questions~~ Solve the following formula for the variable indicated 9. r = d/t, where r = rate, d = distance, and t = time for d ( I didn’t know how to answer ...

maths

explain why are the following not groups: 1)the set of Z integers with operation subtraction 2)The set of Z integers with operation addition 3)The set of R* of all non zero real numbers with addition

math

can someone show me how to figure these literal equation out? I did them before but my teacher said they were incorrect. Questions~~ Solve the following formula for the variable indicated 9. r = d/t, where r = rate, d = distance, and t = time for d ( I didn’t know how to ...

7th grade math

Keeping the numbers in exact order, add perentheses, exponents, multiplication, subtraction, divison and addition to make this expression equal 100. 3,5,6,2,54, and 5. Thank you!

Geometry

Given: 7x + 2 = 2 + 5x – 6 Prove: x = –3 Given the equation 7x + 2 = 2 + 5x – 6, use the commutative property to rearrange the terms so that like terms are next to one another. This gives the equation 7x + 2 = 2 – 6 + 5x. Then, use the ____________________ to group the...

Calculus

We're learning about different kinds of functions and I don't really understand the difference between rational and algebraic functions. I know that rational functions are functions that are a ratio of two polynomials, and algebraic functions are any functions that can be made...

division of fractions

Division of fractions is sometimes said to be multiplication of inverses. Elaborate with an explanation and example. If you have a/b divided by c/d this is the same as a/b * d/c If e.g., we have 2/3 divided by 7/9 then we have 2/3 * 9/7 = 6/7 When dividing fractions the rule ...

math 116

Is it always necessary to have a common denominator to add and subtract fractions? Why? What about multiplication and division with fractions?

algebra 1

ELEMENTARY ALGEBRA #3 Page 23 Chapter 3 Lesson 3.02 Solving Multi-step Equations Reading Assignment: Study pages 126 – 129 Written Assignment: There are five steps to solve Multi-Step equations, Match them in their proper order. Step 1 Undo multiplication or division Step 2 ...

math

I do not undeerstand this question for homework. Determine if the set is closed for the given operation. 1. yes or no- The set of positive fractions for division. 2. yes or no=The set of positive integers for subtraction. Can someone help me? Is there a website that I can go ...

Math

Which properties justify the steps taken to solve the system? {4x+3y=25 {2x+−5y=19 Drag the answers into the boxes to match each step. 4x+3y=25; −4x+10y=−38 ________________ 13y=−13 _________ y=−1 ____________ 4x+3(−1)=25 _________ 4x−3=25 _______ 4x = 28 ...

math

i am having to add, subtract, multiplication and division on fractions. whloe numbers with fraction. My question is that i do not know how to do fractions at all and i need some help

mat

In some cases the Distributive Property of Multiplication over Addition or Distributive Property of Multiplication over Subtraction can be used to obtain an answer quickly. Represent the following operations using one of the distributive properties and also give the answer. ...

mat

In some cases the Distributive Property of Multiplication over Addition or Distributive Property of Multiplication over Subtraction can be used to obtain an answer quickly. Represent the following operations using one of the distributive properties and also give the answer. a...

Math -5th Grade

Using on 3, 11, 21, and 24 only once, and using any combination of divide, multiply, addition, and subtraction, what formula can be created to equal 24?

math

solve by substitution: addition, subtraction or multiplication. 3X+Y-11 and -2X+Y=1 X= Y=

MATH 156

What models can be used to help explain the concepts of addition and subtraction of rational numbers? What are the benefits to using such a model? What limitations does the model have? Create an addition or subtraction problem and demonstrate how the model might work.

college algebra

write two equations that have your two intergers as a solution. 5x-y=10 X + 6y=18 addition and subtraction methods

college algebra

6x+7y=53 8y-9y= -21 write two equations that have your two intergers as a solution.Addition and subtraction methods

Math: Homework Questons (answer quick)

Can you check if the answer is correct and of there any grammar mistakes. Write True or False and EXPLAIN your reasoning for the answer!!!! 8. (5 - 2) - 1 = 5 - (2 - 1) Answer: True Reason: The reason why my answer to this question is true is because when we change the ...

Another Problem...PLz Help COunt Iblis

Statements Reasons 1. 3x - 7 = -4 2. 3x - 7 + 7 = -4 + 7 3. 3x + 0 = -4 + 7 4. 3x + 0 = 3 5. 3x = 3 6. (1/3) 3x = 3 (1/3) 7. (1/3) 3x = 1 8. 1x = 1 9. x = 1 Is this problem about explaining each step? yeah like you have to write the property of each Are you going to help?...

Math

Using the definition of subtraction to determine the subtraction equations that are related to each of the following addition equation: a.8+7=n b.14+x=25 c.r+s=t my answers are this: a. n-7=8 b.x=25-14 c.t-s=r did I do these right?

algebra

* Write an expression that simplifies to 5. Use the multiplication, division, addition, and at least one set of parenthesis. Explain the process you would use to simplify the expression.

algebra

Q: when graphing the equation y = 4/3x + 2, the y intercept is? A: (0,2) Q: Determine whether - 3.5 is a solution of the inequality. x greater than or equal to 6 A: No Q:identify the y intercept of y = x + 8 A: (0,8) Q:solve using multiplication principle then graph - 15x >...

Algebra

Show the similarities between dividing two fractions and dividing two rational expressions using examples of each; explain your steps

MATH 6 GRADE

789*11-24(?DIVIDED BY)73-9001 You need to use the order of operations. PEMDAS( parentheses, exponents, multiplication, division, additon, subtraction) so first multiply 789 by 11 and then subract 24 on the other side subtract and then divide

math

In need of assistance please take two integers between -12 and +12 write two equations that have the two intergers selected as solutions. solve the equations by addition/subtraction method.

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