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Start your 48-hour free trial to get access to more than 30,000 additional guides and more than 350,000 Homework Help questions answered by our experts. How do you write a product of a number and 2 as an expression? Latest answer posted October 03, 2011 at 2:12:01 PM. This is mostly used when you are multiplying a fraction times a number. Thus "twice a number x" can be written symbolically as 2x. Add 1 plus 2 plus . An example of a variable that "x" might represent is the number of oranges a boy called Sam eats in a week. Latest answer posted October 09, 2017 at 12:54:39 AM. (B) 1/2 of 28. 16 Ten times a quantity increased by two is nine. Direct link to allyson's post of course., Posted 4 years ago. Her old balance was $350, and her new balance is $280. 0000018396 00000 n Accessed 4 Mar. Direct link to BoQuizard:'s post Is't 'of' a multiplicatio, Posted 4 years ago. Sometimes in math, we describe an expression with a phrase. Then the following equation can represent this problem: We can subtract 17 from both sides of the equation to find the value of x. Answer Exercise 11.5. Example 2: The difference of triple a number and 5. Direct link to ~panda boy jickle~'s post why does the square over , Posted 5 years ago. It also saves on ink and time! 68 - 17 = x Answer: x = 51, so Jeanne needs $51 to buy the game. So I would write 2(n + 3). To log in and use all the features of Khan Academy, please enable JavaScript in your browser. 17 When fourteen is added to two times a number the result is six. Directions: Select the algebraic equation that correctly represents the given sentence. Direct link to E's post That's a great question! Exercise 11.5. No packages or subscriptions, pay only for the time you need. can be written as the expression. 0000018531 00000 n The sum (use plus symbol) of twice a number and 3 can be written as 2x+3. 12 20 24 28 please help I have new clue what it is asking. 0000016448 00000 n -5 plus the quantity of 4 times x Now take the product of -8 and that expression and then add 6. 0000001341 00000 n Semi-retired with loads of real-life math experience. around the world. Hope that helps! To solve your inequality using the Inequality Calculator, type in your inequality like x+7>9. Just the other day my mom used math to help teach a group of girls how to make a beaded ring. trailer The key is to recognize that we are going to add a quotient and a product. Log in here. Now am 100. How do you evaluate variable expressions? Steven G. The symbols17 + x = 68form analgebraic equation. How long will your trip take (in hours) if you travel 350 km at an average speed of 80 km\hr? You can specify conditions of storing and accessing cookies in your browser, Twice a number k plus the quantity s minus 2, what is the mode of the numbers 2 6 4 5 3 0 3 4 3 2 4 5 2 4, the point at which two lines cross each other is called. 49 increased by by twice a number. "Twice the quantity" means 2 times what in in the parentheses. they should to see if you are good thinking, why dose p+p-p+p+p work in the answers but some thing like 2 1/2 not work. 0000006637 00000 n Direct link to Michelle Hoeks's post So Ive got a math questi, Posted 4 years ago. . That's a great question! In thirteen years she will be twenty-four years old. Twice a number 2x Ten percent of x 0.10x . 0000005581 00000 n Our summaries and analyses are written by experts, and your questions are answered by real teachers. Summary:An algebraic equation is an equation that includes one or more variables. 2023. Who are the experts?Our certified Educators are real professors, teachers, and scholars who use their academic expertise to tackle your toughest questions. First, let's focus in on what is meant by "number x" This is an algebra problem, so it might help to try to build your expression (mathematical sentence without an equal sign) starting with x. Latest answer posted February 25, 2016 at 6:48:45 PM. -> #'a number +3'# Direct link to pro's post they should to see if you, Posted 4 years ago. So "the quantity of nine less than a number x" is: (x-9). 0000016663 00000 n Confusing, I know. If this is part of a problem, say twice a number x is 6, then we can rewrite algebraically as 2x=6; dividing both sides by 2 yields x=3. We know that "Double a number" means 2x, where x is your mystery number. Six more than a number. The three main components of algebraic expressions are numbers, variables, and arithmetic operations. How do you write the variable expression for: a quotient of 2 and the sum of a number and 3 ? 2005 - 2023 Wyzant, Inc, a division of IXL Learning - All Rights Reserved, Explanation of Numbers and Math Problems Set 2, Solving Systems of Equations by Substitution Method, Consistent and Inconsistent Systems of Equations. "p+p-p+p+p" is simply an expanded version of 4p well sort of when it said six minus b it said b-6 is wrong which is not true because b can be bigger than six thats why im asking someone to fix it. So twice a number means 2x 2x. The symbols 17 + x = 68 form an algebraic equation. How do you write 5 less than 2 times a number as a variable expression. Example 2: The difference of triple a number and 5 5 Answer: Let variable y y be the unknown number. How old is my sister? Posted 5 years ago. 0000002721 00000 n It evolved from the fraction idea to make it a simpler concept in arithmetic. Here is a table that summarizes common words for each operation: For example, the word product tells us to use multiplication. answered 10/02/15, Mathematics Teacher - NCLB Highly Qualified, Laura I. So we had an expression about division, and it's usually not as sweet and straightforward with obvious words like these. 0000085678 00000 n Have you noticed that the division sign is a fraction line with two dots representing the numerator and denominator? The key to learning is to study a LOT of examples. Direct link to andrea's post So we had an expression a, Posted 3 years ago. Each piece of candy costs 25 cents. Example 3:Write each sentence as an algebraic equation. Direct link to Archer8888's post I like to think of fracti, Posted 6 years ago. twice a number m plus the quantity n minus 4 An algebraic expression for the situation is (Use the operation symbols in the math palette as needed.) 0000011270 00000 n The product of 2 times a number is 10 2x = 10 One half a number is 10 x/2 = 10 Five times the sum of x and 2 5(x + 2) Seven is greater than x 7 > x Five times the difference of a number and 4 5(x - 4) Ten subtracted from 10 times a number is that number plus 5 10x - 10 = x + 5 The sum of 5x and 10 is . Yes, "of" is a multiplication word when used with percents and fractions. 0000071710 00000 n What does the phrase "Twice a number x" mean? Example 3:The sum of the quotient of m and 2, and the product of 4 and n. Answer:In this case, the unknown numbers are already provided as m and n. Thats one less thing to worry about. why does the square over the square mean divided? Find the number. the quotient of k and 7 \Large{{k \over 7}}, Example 1: The sum of twice a number and 3. Solution:Let x represent the amount of money Jeanne needs. 0000017996 00000 n The product of twice a number k - 12966561. answered The product of twice a number k 1 See answer Advertisement Advertisement alfonsogonzalesramir alfonsogonzalesramir Answer: 2k x k = 2. Free math worksheets, charts and calculators, About Us | Contact Us | Advertise With Us | Facebook | Recommend This Page. ! Do not confuse this with "Six less" which means "Subtract from 6". Let "x" represent itself as an unknown number. For example, the phrase. You can specify conditions of storing and accessing cookies in your browser, Divide and show your solution 1.97.2 2.52.5 3.94.5 4.41.6 5.312.3pa help po pls, what is the number of Xwhat is the meaning of twice , 2. Example 1:Write each sentence as an algebraic equation. , ny members are there in the varsity club2.suppose that 5 basketball players are also volleyball players.No soccer player is also a volleyball or a basketball player.howw many members are there in the club. How doI determine if this equation is a linear function or a nonlinear function? Lets go over some common words or phrases that describe the four arithmetic operations. 297 0 obj <> endobj Twice a quantity usually indicates to take two of the things in question; usually this indicates to multiply by 2. What do the letters R, Q, N, and Z mean in math? Twice the quantity translates to: 2( ). That is a common way to represent division in algebra, the division sign is not really used there. Why do we replace numbers with letters/symbols? How do you translate into symbols: The difference of six squared and b? And we can see that, indeed, twice the number 3 is 6 as required. Do not confuse this with "Six less." which means "Subtract from 6". See all questions in Variable Expressions. -> #'n+3'#. plus the quantity s is just s as a number, then minus 2 is, This site is using cookies under cookie policy . 0000012477 00000 n Already a member? 3n - 8. Latest answer posted October 07, 2013 at 8:13:27 PM. 0000001602 00000 n . Among mathematicians the term "quantity" indicates that what follows is to be treated as a single expression. 0000018705 00000 n 2(n + 3) is probably what you are looking for. So "the quantity of nine less than a number x" is: (x-9). Six plus one, the answer is seven. Expression. This is a question you should keep thinking about as we dig deeper into algebra. five more than twice a number. 0000006774 00000 n 1/2 of 64 (D) 1/2 of 54. Eleni is x years old. 6 less than the quotient of z divided by 3 Write an algebraic expression for: 12 fewer than h hats. What the equal sign is saying is that what's on the left side is the same amount, the same quantity, as what is on the right-hand side. Answer:2k+s-2im assuming. Algebraic expressions are useful because they represent the value of an expression for all of the values a variable can take on. Well, if b doesn't have value, b can go before or after six. This limit represents the derivative of some function f at some number a. state this f and a. lim h->0[(4th root of)(16+h)-2]/h a=? Direct link to Kim Seidel's post Yes, "of" is a multiplica, Posted 2 years ago. 0000019112 00000 n For Free. Twice a number minus seven equals four. 5+2 5+2. <<277E800E0BCB7D49B5073CE66CA6BD91>]>> Select your answer by clicking on its button. For example 1/2 of a number means 1/2 times a number. to have twice this whole quantity (instead of, for instance, only n being doubled: then to double it, put a 2 before the whole expression (n+3) There should be a timer to see if you know it and you can do it fast enough. When you see "quantity" used in math, it can mean the amount or it could mean ( ), which it does here. -> #2(n+3)#. Twelve is sixteen less than four times a number. Twice a number k plus the quantity s minus Get the answers you need, now! 0000085203 00000 n 0000001782 00000 n Answer Exercise 11.5. 0000003408 00000 n eNotes.com will help you with any book or any question. 5 less than the product of 3 and a number : 3w - 5 : twice the difference between a number and 9 : 2(z - 9) . , Posted 5 years ago. 0000013606 00000 n How do you write the variable expression for: a quotient of 2 and the sum of a number and 3 ? Math Algebra Pre Algebra Question Write an algebraic expression for: 8 more than s stripes. Replacing the variables with single letters (sometimes English alphabet, sometimes Greek alphabet - because the Greeks had a big role in inventing algebra, so we still use their alphabet today) is a shorthand. Example 3: Write each phrase as an algebraic expression using the variable n. Phrase. So twice a number means 2x. %%EOF (C). 3x + 12. Example 2:Write each sentence as an algebraic equation. Direct link to Olivia S.'s post Can their be more than 1 , Posted 3 months ago. Suzanne made a withdrawal of d dollars from her savings account. When I was 4 years old, my sister was half my age. All Rights Reserved. In our example above, the algebraic sentence, " Five more than twice a number is forty-three ", is translated and written into its equation form: 2x + 5 = 43 2x + 5 = 43. Does that mean if the coin is tossed twice, we will get one heads. Why use math if we can describe things in words? Divide 5400 among Arya, Ashwin and Amir in the ratio 1:2:6. The following are easy examples that can help you get familiar with the operations of addition, subtraction, multiplication,and division. "two more than five". Therefore, we have: 2x 6, which translates to "6 less than 2x" or "6 less than twice a number". Exercise A second number is 4 less than 3 times a first number. Latest answer posted September 07, 2010 at 12:47:25 PM. The inequality solver will then show you the steps to help you learn how to solve it on your own. How much money does she need to buy a game that costs $68? Think of "of" meaning to multiply when you are working with fractions. 0000017781 00000 n twice means 2 and k is just a number but as a letter. How do you translate into symbols: 8 minus the quantity of 7 plus q? How do you simplify the expression #3x-x+4#? A link to the app was sent to your phone. The difference of twice a number and five. But why? Now we're really close! The key words for multiplication are: times, product, twice, doubled, multiplied, and of. If you make a mistake, choose a different button. Almost always, the word "is" in an algebraic sentence denotes the symbol of equality. answered 10/01/15, Knowledgeable Math, ESL, Behavioral, Core, SAT, SSAT, and K-6 Tutor. Three times a number minus 8. . 2n + 5. the product of a number and 6. How do you evaluate the expression #2x+1# for #x=1#? This is the idea of the type of math that is named algebra. How could algebraic expression be used in everyday life? Copyright 2020 Math Goodies. You cannot change their sequence. Express each of the following in the lowest form1) 12:72. With numbers 1 to 9, we have to make the answer 100. The cube of k k3 t raised to the fourth power t4 Equals Is equal to, the same as, is, are, the result of, will be, are, yields = x is equal to y x = y p is the same as q p = q Multiplication by 2 Two, two times, twice, twice as much as, double 2 Twice z 2z y doubled 2y Multiplication by Half of, one-half of, half as much as, one-half times 1 2 Answer Example 8 The length of a rectangle is L. Problem:Jeanne has $17 in her piggy bank. 0000019325 00000 n "Twice the quantity" means 2 times what in in the parentheses. You can specify conditions of storing and accessing cookies in your browser, Twice a number k plus the quantity s minus 2, In an arithmetic sequence, the sum of the first 8 terms is 88. 6 (n + 3) One less than five times a number. The number "x" is represented as a letter because it is a variable. 2023 eNotes.com, Inc. All Rights Reserved, https://en.wikipedia.org/wiki/Mathematical_notation. Most questions answered within 4 hours. The given algebraic operations are such as. Answer: Let variable x be the unknown number. If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked. Here is an example: Greater Than Or Equal To Type >= for "greater than or equal to". Addition ( + ) plus A number plus three x + 3 more than Ten more than a number x + 10 the sum of The sum of a number and five x + 5 the total of The total of six and some number 6 + x increased by A number increased by two x + 2 added to Eleven added to a number x + 11 Subtraction ( ) minus A number minus seven X - 7 0000098126 00000 n In the problem, it says "nine less than a number x" which means that something is being taken away from the x so that is smaller. How do you evaluate variable expressions? Let's look at some examples of writing algebraic equations. When we work with long or complicated expressions involving one or more variables, this shorthand makes it easier to follow through the steps on paper at a glance, concentrating it down to the real essentials. (Sides meet at right angles. How do you write a quotient of a number and 6 as an expression? The price of h pieces of candy is $2.00. Direct link to Davis's post You can say 'divided by' , Posted a year ago. Write an algebraic expression for: twice a number k plus the quantity s minus 2. 0000018169 00000 n Step-by-step explanation: thxm can you explain it? For example, the phrase. 0000017241 00000 n 18 Four times a number minus twenty-nine is eleven. This site is using cookies under cookie policy . 0000044093 00000 n Six times n plus three. Akgdvnchbffb Akgdvnchbffb 15.08.2017 Math Primary School answered Twice a number k plus the quantity s minus 2 1 See answer Advertisement 1. For example: why is fraction considered as a division? How? Triple a number increased by twelve. 0 plus the quantity s is just s as a number, then minus 2 is =2k+s-2 i got it wrong thanks to you Advertisement Previous Advertisement all the way to 100. f=? Algebraic expressions are useful because they represent the value of an expression for all of the values a variable can take on. But before we delve into solving word problems that involve algebraic sentences . Direct link to LayLay12's post when it said six minus b , Posted 6 years ago. Answer: 2k+s-2 Step-by-step explanation: twice means 2 and k is just a number but as a letter. You could have . How do you evaluate the expression #2x+1# for #x=1#? Therefore, the sum of the quotient and product is {\Large{{m \over 2}}} + 4n. Therefore, the difference of the product and quotient is 7w - {\Large{{2 \over v}}}. How do you simplify the expression #3x-x+4#? So triple a number means 3y 3y. 0000097941 00000 n Direct link to SherlockHolmes.42's post Saying that n is the numb, Posted 4 years ago. That's not quite right. There are lots of different ways algebraic expressions are used in everyday life. Take a look at the CS tutorials on Khan Academy and you'll see what I mean. The quantity of 3 plus 5 multiplied by a number (3 + 5)n. Then, you want "twice" that number, so multiply by 2. a Question If his friend Jenny always eats twice as many oranges in a week as Sam, then we can say that she eats "2x" oranges in a week. Sometimes in math, we describe an expression with a phrase. %PDF-1.4 % 8 minus some number : 8 - t : the difference between a number and 12 : w - 12 . answered 10/04/15. 0000008973 00000 n Lets say you & I split (divide) a cake, we take the 1 whole cake & slice it down the middle. Feedback to your answer is provided in the RESULTS BOX. Let us find the quantitative values of the numbers first. Find the value of x. n11's. 0000008841 00000 n How do you write 5 less than 2 times a number as a variable expression? If you're seeing this message, it means we're having trouble loading external resources on our website. One of the many reasons is that math is more precise and easier to work with than words are. 0000084951 00000 n You take your half (1/2), now I have one half (1/2). 0000016836 00000 n Educators go through a rigorous application process, and every answer they submit is reviewed by our in-house editorial team. 0000017067 00000 n You have numbers 1,2,3,4,5,6,7,8,9. (A)1/2 of 32. "Six less than.." means "Subtract 6 from". 6n. A large pizza pie with 15 slices is shared among p students so that each student's share is 3 slices. On the plate is still 1 whole cake or we could say there are two halves (2/2), if we divide 2 by 2 we get 1 or a whole cake (2/2). Direct link to 403824's post why is fraction considere, Posted 2 years ago. Also, Algebra is a useful, logical way to help explain things. Direct link to HannahTran2005's post Well for one, I think tha, Posted 6 years ago. Find an answer to your question Twice a number k plus the quantity s minus 2. 0000085393 00000 n 0000010040 00000 n Notice that the phrase "decreased by" tells us to use subtraction. Twice the quantity usually means, "get ready for parentheses". Solution Verified Create an account to view solutions Direct link to Scyth Of Jewel's post why dose p+p-p+p+p work i, Posted 4 years ago. Write an algebraic expression for: twice a number k plus the quantity s minus 2. Direct link to Da'shyne Green's post There should be a timer t, Posted 10 months ago. When you see "quantity" used in math, it can mean the amount or it could mean ( ), which it does here. 0000017608 00000 n "Twice A Number" eNotes Editorial, 24 July 2014, https://www.enotes.com/homework-help/twice-number-x-470096. It's saying that two plus three is the same thing as five. How do you write a quotient of a number and 6 as an expression? Choose an expert and meet online. Similarly, when we describe an expression in words that includes a variable, we're describing an algebraic expression, an expression with a variable. "nine less" indicates subtraction ("less") and nine is how much less. If we divide 1 by 2 (1/2) we get 0.5 or a half! The product of the 1st and the 8th terms is 120. So now the expression looks like: x-9. 0000018939 00000 n Therefore, the expression is 2 (x-9) or 2 (x-9) 0000043840 00000 n Thus "twice a number x" can be written symbolically as 2x. So, the phrase. We know that "Double a number" means #2x#, where #x# is your mystery number. startxref The difference (use minus symbol) of triple a number and 5 5 should be written as 3y - 5 3y 5. Why cant we have an actual division sign? . Inside the parentheses, expect a sum when the statement just says "and". Explanation: Can their be more than 1 variable like 3xp. ), Find one half and one quarter quarter of the following Math, like any other language, has a way of communicating ideas. Twice a number, decreased by twenty-nine, is seven. This site is using cookies under cookie policy . Now we're really close! If the perimeter is the sum of all four sides of the field, wow do you write an expression for the perimeter of the field . It makes comparing prices at a glance easier. By signing up, you agree to receive useful information and to our privacy policy. Find an expression for thrice of s, added with twice of t and subtraction of 9. h pg g K V X+60 8 X-10 A fascypros 62, suppose that 25 basketball players,30 volleyball players, and 28 soccer players compose a varsity club 1.if no member plays at least two sports,how ma For instance: computer programming/computer science. And you didn't have to write it this way. 0000003908 00000 n Add 1 plus 2 plus 3 plus 4. . Eight minus two, the answer is six. So Ive got a math question but cant understand the second part. 1 See answer Advertisement . Answer:Let variable y be the unknown number. 0000000016 00000 n answered 10/01/15, Kimberly M. You can even use algebraic expressions to provide situations, like when giving the rules to a game. The probability that a coin turns up heads when it is tossed is 1/2. Solution Verified Create an account to view solutions Recommended textbook solutions enVisionmath 2.0: Grade 8, Volume 1 1st Edition ISBN: 9780328881901 (2 more) Scott Foresman 934 solutions enVisionmath 2.0: Grade 8, Volume 2 You would set up an algebraic equation that demonstrates a number minus 9. Less Than Or Equal To Type <= for "less than or equal to". Express the second number in terms of the first number y. What is the formula with givens: Time, Distance, Speed or Velocity? 297 51 Direct link to Nicholas's post That is a common way to r, Posted 7 years ago. Get a free answer to a quick problem. 0000019463 00000 n Mark M. Explanation: Let us find the quantitative values of the numbers first. kingkingdoms332 kingkingdoms332 02/06/2018 Mathematics Middle School answered expert verified Twice a number k plus the quantity s minus 1 See answer It is a variable because it varies each week, but the relationship between what the two friends eat always stays the same. In this lesson, we learned how to write a sentence as an algebraic equation. The sum (use plus symbol) of twice a number and 3 3 can be written as 2x+3 2x + 3. Thirty-two is twice a number increased by eight. Then the following equation can represent this problem: 17 + x = 68 We can subtract 17 from both sides of the equation to find the value of x. 0000003944 00000 n junyanyacooney10 junyanyacooney10 11/08/2020 Mathematics College answered Twice a number k plus the quantity s minus 2 1 See answer Advertisement 0000097695 00000 n You can see that "x" is a shorthand way of saying "number of oranges eaten per week". Let's look at an example in which the expression consists of more than one number and/or operation. It is critical that you understand these words or phrases in order to successfully write or interpret any given algebraic expression. Translate the written/verbal expression "twice a number x" into mathematical/symbolic notation: Twice a quantity usually indicates to take two of the things in question; usually this indicates to multiply by 2. 0000007851 00000 n #2x-6#, which translates to "6 less than 2x" or "6 less than twice a number", 59237 views Answer:x = 51, so Jeanne needs $51 to buy the game. x + 6. 0000098455 00000 n The difference (use minus symbol) of triple a number and 5 should be written as 3y - 5. Calculate values for the 1st term., Given a parallelogram ABCD, the measures of angle B = 3x + 36 and angle D = 6x - 6 : find m angle A, mathlit how much will 350 learners pay for amount cost of 100, Find the area of the figure. can be written as the algebraic expression. How do you write a product of a number and 2 as an expression? It is like when you write $ to mean United States Dollars. xref Of is the tricky word. Explanation: "Six less than.." means "Subtract 6 from". A farmer has a rectangular field with a length of 30 yards and width of x yards. if the number is denoted #n#, then ##'a number and 3'# How would you write this as an algebraic expression? xb``g``c``` to have twice this whole quantity (instead of, for instance, only n being doubled: put 'n +3' in brackets -> (n + 3) then to double it, put a 2 before the whole expression (n+3) -> 2(n + 3) the final expression: 2(n +3) Answer link MrsRudolph221 Dec 7, 2016 2 (n + 3) is probably what you are looking for. My questions is, what are other ways to say 'divided by' and can you give me examples? 1st quantity = twice of k = 2k 2nd quantity = only s = s 3rd quantity = only 2 = 2 The given algebraic operations are such as (quantity) + (quantity) - (quantity) Therefore the required expression is = 2k + s - 2 Try these yourself: 1. An algebraic expression is a concise way of describing mathematical objects through the use of numbers, variables (letters), and arithmetic operations such as addition, subtraction, multiplication, and division. Direct link to bruh's post Well, if b doesn't have v, Learn to write expressions for phrases like "3 more than x.". 0000002067 00000 n I like to think of fractions as segments of a pie or cake. Examples:+ (addition), - (subtraction) , \times (multiplication) , (division). how do i answer that? Let us know your assignment type and we'll make sure to get you exactly the kind of answer you need. So now the expression looks like: x-9. Answer Similarly, when we describe an expression in words that includes a . In the expression "twice a number x is 6" twice indicates to multiply by 2, the multiplicand (the thing multiplied by the multiplier 2) is x, and the word "is" can be expressed by the equals sign. Direct link to jacob_tolle's post How could algebraic expre, Posted 7 years ago. Subtracted, minus, difference, less than, decreased by. Making educational experiences better for everyone. 0000098411 00000 n 0000002224 00000 n Example 4: The difference of the productof 7 and w, and the quotient of 2 and v. Answer: In this case, the unknown numbers have been assigned with corresponding variables which are w and v. The key is to recognize that we are going to subtract the product by the quotient of some expressions.