Why do we replace numbers with letters/symbols? Express each of the following in the lowest form1) 12:72. What does the phrase "Twice a number x" mean? 2023 eNotes.com, Inc. All Rights Reserved, https://en.wikipedia.org/wiki/Mathematical_notation. Three times a number minus 8. Find the value of x. n11's. Twice a number k plus the quantity s minus Get the answers you need, now! 0000013606 00000 n You take your half (1/2), now I have one half (1/2). . (C). Copyright 2020 Math Goodies. 0000001782 00000 n Triple a number increased by twelve. 17 When fourteen is added to two times a number the result is six. For example, the phrase. The sum (use plus symbol) of twice a number and 3 3 can be written as 2x+3 2x + 3. Find the number. None less than a number translates to x - 9. How old is my sister? how do i answer that? Therefore, we have: 2x 6, which translates to "6 less than 2x" or "6 less than twice a number". #2x-6#, which translates to "6 less than 2x" or "6 less than twice a number", 59237 views The symbols17 + x = 68form analgebraic equation. You would set up an algebraic equation that demonstrates a number minus 9. junyanyacooney10 junyanyacooney10 11/08/2020 Mathematics College answered Twice a number k plus the quantity s minus 2 1 See answer Advertisement The sum (use plus symbol) of twice a number and 3 can be written as 2x+3. Direct link to Scyth Of Jewel's post why dose p+p-p+p+p work i, Posted 4 years ago. "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. Hope that helps! An example of a variable that "x" might represent is the number of oranges a boy called Sam eats in a week. How do you evaluate variable expressions? 0000007851 00000 n In thirteen years she will be twenty-four years old. 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. Tysm smart gal/boii Advertisement Advertisement 12 20 24 28 please help I have new clue what it is asking. Posted 5 years ago. Explanation: c>3003|b7!C3CTGCJ]^LgX. That's a great question! All Rights Reserved. Twice a number, decreased by twenty-nine, is seven. Direct link to Da'shyne Green's post There should be a timer t, Posted 10 months ago. twice means 2 and k is just a number but as a letter. 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. So, the phrase. This is mostly used when you are multiplying a fraction times a number. Her old balance was $350, and her new balance is $280. 0000098455 00000 n Well, if b doesn't have value, b can go before or after six. f=? 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. "Six less than.." means "Subtract 6 from". 6 less than the quotient of z divided by 3 Write an algebraic expression for: 12 fewer than h hats. 0000017608 00000 n The key to learning is to study a LOT of examples. Find an expression for thrice of s, added with twice of t and subtraction of 9. So Ive got a math question but cant understand the second part. can be written as the algebraic expression. 49 increased by by twice a number. Direct link to allyson's post of course., Posted 4 years ago. If of a number is 4 more than of the same number, what is the number? In this lesson, we learned how to write a sentence as an algebraic equation. (A)1/2 of 32. 0000018396 00000 n How do you write the variable expression for: a quotient of 2 and the sum of a number and 3 ? See all questions in Variable Expressions. Of is the tricky word. Can their be more than 1 variable like 3xp. 0000008973 00000 n Direct link to 403824's post why is fraction considere, Posted 2 years ago. How could algebraic expression be used in everyday life? 0000002067 00000 n 0000010040 00000 n Direct link to LayLay12's post when it said six minus b , Posted 6 years ago. 0000071957 00000 n 347 0 obj<>stream Lets go over some common words or phrases that describe the four arithmetic operations. Directions: Select the algebraic equation that correctly represents the given sentence. Thus "twice a number x" can be written symbolically as 2x. Direct link to jacob_tolle's post How could algebraic expre, Posted 7 years ago. 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. Math Algebra Pre Algebra Question Write an algebraic expression for: 8 more than s stripes. 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. Here is an example: Greater Than Or Equal To Type >= for "greater than or equal to". 8 minus some number : 8 - t : the difference between a number and 12 : w - 12 . Therefore, the expression is 2 (x-9) or 2 (x-9) Answer:Let variable y be the unknown number. To solve your inequality using the Inequality Calculator, type in your inequality like x+7>9. . , Posted 5 years ago. Six times n plus three. -> #'a number +3'# Most questions answered within 4 hours. With our Essay Lab, you can create a customized outline within seconds to get started on your essay right away. 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. The difference (use minus symbol) of triple a number and 5 should be written as 3y - 5. Here is a table that summarizes common words for each operation: For example, the word product tells us to use multiplication. Example 1:Write each sentence as an algebraic equation. 0000019463 00000 n Write an algebraic expression for: twice a number k plus the quantity s minus 2. Write an algebraic expression for: twice a number k plus the quantity s minus 2. 0000019112 00000 n So twice a number means 2x. It is critical that you understand these words or phrases in order to successfully write or interpret any given algebraic expression. 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) Yes, "of" is a multiplication word when used with percents and fractions. Get a free answer to a quick problem. 0000017473 00000 n 0000005581 00000 n In the problem above, x is a variable. why does the square over the square mean divided? Example 3: Write each phrase as an algebraic expression using the variable n. Phrase. 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 By signing up, you agree to receive useful information and to our privacy policy. %PDF-1.4 % Let "x" represent itself as an unknown number. Answer Exercise 11.5. You could have . 0000097695 00000 n 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 Think of "of" meaning to multiply when you are working with fractions. For example: why is fraction considered as a division? <<277E800E0BCB7D49B5073CE66CA6BD91>]>> plus the quantity s is just s as a number, then minus 2 is, This site is using cookies under cookie policy . 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=? Expression. It is a variable because it varies each week, but the relationship between what the two friends eat always stays the same. Therefore, the difference of the product and quotient is 7w - {\Large{{2 \over v}}}. Notice that the phrase "decreased by" tells us to use subtraction. Direct link to pro's post they should to see if you, Posted 4 years ago. 0000017241 00000 n Less Than Or Equal To Type <= for "less than or equal to". "Twice A Number" eNotes Editorial, 24 July 2014, https://www.enotes.com/homework-help/twice-number-x-470096. A link to the app was sent to your phone. 35,000 worksheets, games, and lesson plans, Spanish-English dictionary, translator, and learning, Math Test Study guide Cant understand Have gone to multiple websites need help thanks, Twice the quantity of nine less than a number x, twice the quantity of (nine less than a number x). The key is to recognize that we are going to add a quotient and a product. Each piece of candy costs 25 cents. The key words for multiplication are: times, product, twice, doubled, multiplied, and of. Eleni is x years old. Direct link to Archer8888's post I like to think of fracti, Posted 6 years ago. 0000001602 00000 n So now the expression looks like: x-9. Explanation: Let us find the quantitative values of the numbers first. For example 1/2 of a number means 1/2 times a number. five more than twice a number. 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. "Twice the quantity" means 2 times what in in the parentheses. 297 51 The product of the 1st and the 8th terms is 120. 0000012477 00000 n Direct link to Olivia S.'s post Can their be more than 1 , Posted 3 months ago. Let us find the quantitative values of the numbers first. Then, you want "twice" that number, so multiply by 2. a Question Solution Verified Create an account to view solutions 0000018939 00000 n Twice the quantity usually means, "get ready for parentheses". Select your answer by clicking on its button. 0000011270 00000 n , 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. Sometimes in math, we describe an expression with a phrase. How do you evaluate the expression #2x+1# for #x=1#? "two more than five". 0000003944 00000 n A large pizza pie with 15 slices is shared among p students so that each student's share is 3 slices. Direct link to Kim Seidel's post Yes, "of" is a multiplica, Posted 2 years ago. The quotient of fifty and five more than a number is ten. 0000008841 00000 n Second number is 3 more than twice the first number Second number = 3 + 2 x Therefore, the second number, in terms of the first number x, is 3 + 2 x. Try our Order of Operations Worksheet Generator. Answer Just the other day my mom used math to help teach a group of girls how to make a beaded ring. 0000085393 00000 n Twelve is sixteen less than four times a number. Latest answer posted October 07, 2013 at 8:13:27 PM. Twice a number minus seven equals four. Exercise 11.5. Latest answer posted October 03, 2011 at 2:12:01 PM. Direct link to ~panda boy jickle~'s post why does the square over , Posted 5 years ago. Answer Exercise 11.5. Exercise 11.5. To log in and use all the features of Khan Academy, please enable JavaScript in your browser. Answer:x = 51, so Jeanne needs $51 to buy the game. It's saying that two plus three is the same thing as five. Now we're really close! Making educational experiences better for everyone. Confusing, I know. How do you write a product of a number and 2 as an expression? 1/2 of 64 (D) 1/2 of 54. Direct link to HannahTran2005's post Well for one, I think tha, Posted 6 years ago. So triple a number means 3y. 2n + 5. the product of a number and 6. This site is using cookies under cookie policy . For instance: computer programming/computer science. What is the formula with givens: Time, Distance, Speed or Velocity? Exercise A second number is 4 less than 3 times a first number. 19 Three fifths of a number plus eight is fifty. Thirty-two is twice a number increased by eight. 0000006637 00000 n And you didn't have to write it this way. This site is using cookies under cookie policy . xref Do not confuse this with "Six less." which means "Subtract from 6". Step-by-step explanation: thxm can you explain it? The probability that a coin turns up heads when it is tossed is 1/2. Educators go through a rigorous application process, and every answer they submit is reviewed by our in-house editorial team. (B) 1/2 of 28. 0000044093 00000 n For Free. 0000003408 00000 n The three main components of algebraic expressions are numbers, variables, and arithmetic operations. 0000085678 00000 n Direct link to Nicholas's post That is a common way to r, Posted 7 years ago. 0000016663 00000 n So "the quantity of nine less than a number x" is: (x-9). Our summaries and analyses are written by experts, and your questions are answered by real teachers. Inside the parentheses, expect a sum when the statement just says "and". 0000097941 00000 n 0000017067 00000 n "Twice the quantity" means 2 times what in in the parentheses. Semi-retired with loads of real-life math experience. I like to think of fractions as segments of a pie or cake. 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 . kingkingdoms332 kingkingdoms332 02/06/2018 Mathematics Middle School answered expert verified Twice a number k plus the quantity s minus 1 See answer 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. There should be a timer to see if you know it and you can do it fast enough. 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 How? But before we delve into solving word problems that involve algebraic sentences . Now am 100. -> #2(n+3)#. How do you simplify the expression #3x-x+4#? 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. 5 less than the product of 3 and a number : 3w - 5 : twice the difference between a number and 9 : 2(z - 9) . Similarly, when we describe an expression in words that includes a . 6n. . Latest answer posted October 09, 2017 at 12:54:39 AM. We know that "Double a number" means 2x, where x is your mystery number. This is a question you should keep thinking about as we dig deeper into algebra. Direct link to bruh's post Well, if b doesn't have v, Learn to write expressions for phrases like "3 more than x.". Divide 5400 among Arya, Ashwin and Amir in the ratio 1:2:6. Twice the quantity translates to: 2( ). 68 - 17 = x Answer: x = 51, so Jeanne needs $51 to buy the game. Summary:An algebraic equation is an equation that includes one or more variables. Let's look at an example in which the expression consists of more than one number and/or operation. Answer:2k+s-2im assuming. 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 E's post That's a great question! One of the many reasons is that math is more precise and easier to work with than words are. The difference of twice a number and five. The price of h pieces of candy is $2.00. Then the following equation can represent this problem: We can subtract 17 from both sides of the equation to find the value of x. We know that "Double a number" means #2x#, where #x# is your mystery number. Suzanne made a withdrawal of d dollars from her savings account. When I was 4 years old, my sister was half my age. seven divided by twice a number. No packages or subscriptions, pay only for the time you need. Let us know your assignment type and we'll make sure to get you exactly the kind of answer you need. How do you write 5 less than 2 times a number as a variable expression. eNotes.com will help you with any book or any question. Answer Example 8 The length of a rectangle is L. 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. Feedback to your answer is provided in the RESULTS BOX. around the world. 0000071710 00000 n What do the letters R, Q, N, and Z mean in math? 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 How do you evaluate variable expressions? 0000018169 00000 n Algebraic expressions are useful because they represent the value of an expression for all of the values a variable can take on. xb``g``c``` Example 2: The difference of triple a number and 5. Do not confuse this with "Six less" which means "Subtract from 6". Six more than a number. 0000019325 00000 n Thus "twice a number x" can be written symbolically as 2x. With numbers 1 to 9, we have to make the answer 100. Well for one, I think that particular assignment only deals with variables. For example, the phrase. The following are easy examples that can help you get familiar with the operations of addition, subtraction, multiplication,and division. How do you write a quotient of a number and 6 as an expression? 0000017996 00000 n 0000000016 00000 n How much money does she need to buy a game that costs $68? Akgdvnchbffb Akgdvnchbffb 15.08.2017 Math Primary School answered Twice a number k plus the quantity s minus 2 1 See answer Advertisement 6 (n + 3) One less than five times a number. You cannot change their sequence. 0000001341 00000 n When you see "quantity" used in math, it can mean the amount or it could mean ( ), which it does here. In the problem above, x is avariable. Choose an expert and meet online. The symbols 17 + x = 68 form an algebraic equation. So twice a number means 2x 2x. 3x + 12. 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. 0000016276 00000 n Problem:Jeanne has $17 in her piggy bank. Example 2:Write each sentence as an algebraic equation. Six plus one, the answer is seven. answered 10/04/15. How do you translate into symbols: 8 minus the quantity of 7 plus q? Answer: Let variable x be the unknown number. 0000018705 00000 n How do you write the variable expression for: a quotient of 2 and the sum of a number and 3 ? 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. 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. startxref A farmer has a rectangular field with a length of 30 yards and width of x yards. 3n - 8. the quotient of k and 7 \Large{{k \over 7}}, Example 1: The sum of twice a number and 3. Sometimes in math, we describe an expression with a phrase. 0000084951 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 . 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. There are lots of different ways algebraic expressions are used in everyday life. So now the expression looks like: x-9. . 2(n + 3) is probably what you are looking for. 0000018531 00000 n 0000006774 00000 n You have numbers 1,2,3,4,5,6,7,8,9. 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. %%EOF x + 6. Almost always, the word "is" in an algebraic sentence denotes the symbol of equality. The inequality solver will then show you the steps to help you learn how to solve it on your own. Among mathematicians the term "quantity" indicates that what follows is to be treated as a single expression. 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. 2023. Who are the experts?Our certified Educators are real professors, teachers, and scholars who use their academic expertise to tackle your toughest questions. The quantity of 3 plus 5 multiplied by a number (3 + 5)n. 0000043840 00000 n trailer Eight minus two, the answer is six. 297 0 obj <> endobj And we can see that, indeed, twice the number 3 is 6 as required. Latest answer posted September 07, 2010 at 12:47:25 PM. The given algebraic operations are such as. Subtracted, minus, difference, less than, decreased by. How doI determine if this equation is a linear function or a nonlinear function? Steven G. So "the quantity of nine less than a number x" is: (x-9). If we divide 1 by 2 (1/2) we get 0.5 or a half! can be written as the expression. Twice a quantity usually indicates to take two of the things in question; usually this indicates to multiply by 2. Does that mean if the coin is tossed twice, we will get one heads. How do you write a product of a number and 2 as an expression? Answer: 2k+s-2 Step-by-step explanation: twice means 2 and k is just a number but as a letter. Lets say you & I split (divide) a cake, we take the 1 whole cake & slice it down the middle. Math, like any other language, has a way of communicating ideas. 0000003908 00000 n The sum on an odd integer and twice its consecutive is equal to equal to 3757. 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).
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