Mark M. Example 2: The difference of triple a number and 5 5 Answer: Let variable y y be the unknown number. Answer Example 8 The length of a rectangle is L. 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. 0000007851 00000 n 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. Well, if b doesn't have value, b can go before or after six. Almost always, the word "is" in an algebraic sentence denotes the symbol of equality. Direct link to Michelle Hoeks's post So Ive got a math questi, Posted 4 years ago. 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. Get a free answer to a quick problem. Step-by-step explanation: thxm can you explain it? Let us find the quantitative values of the numbers first. Accessed 4 Mar. Answer: 2k+s-2 Step-by-step explanation: twice means 2 and k is just a number but as a letter. Feedback to your answer is provided in the RESULTS BOX. around the world. . 68 - 17 = x Answer: x = 51, so Jeanne needs $51 to buy the game. Example 3: Write each phrase as an algebraic expression using the variable n. Phrase. If of a number is 4 more than of the same number, what is the number? It's saying that two plus three is the same thing as five. 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. It is critical that you understand these words or phrases in order to successfully write or interpret any given algebraic expression. Most questions answered within 4 hours. When I was 4 years old, my sister was half my age. So triple a number means 3y 3y. ! 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 6 less than the quotient of z divided by 3 Write an algebraic expression for: 12 fewer than h hats. 2n + 5. the product of a number and 6. Examples:+ (addition), - (subtraction) , \times (multiplication) , (division). My questions is, what are other ways to say 'divided by' and can you give me examples? But why? Let us know your assignment type and we'll make sure to get you exactly the kind of answer you need. 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. Then, you want "twice" that number, so multiply by 2. a Question 19 Three fifths of a number plus eight is fifty. How do you write 5 less than 2 times a number as a variable expression? 18 Four times a number minus twenty-nine is eleven. You can see that "x" is a shorthand way of saying "number of oranges eaten per week". plus the quantity s is just s as a number, then minus 2 is, This site is using cookies under cookie policy . 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. Twice the quantity translates to: 2( ). Direct link to jacob_tolle's post How could algebraic expre, Posted 7 years ago. Twice the quantity usually means, "get ready for parentheses". answered 10/01/15, Knowledgeable Math, ESL, Behavioral, Core, SAT, SSAT, and K-6 Tutor. Sometimes in math, we describe an expression with a phrase. %%EOF How do you write the variable expression for: a quotient of 2 and the sum of a number and 3 ? If you make a mistake, choose a different button. Direct link to Archer8888's post I like to think of fracti, Posted 6 years ago. In thirteen years she will be twenty-four years old. It makes comparing prices at a glance easier. 0000016663 00000 n 5 less than the product of 3 and a number : 3w - 5 : twice the difference between a number and 9 : 2(z - 9) . The inequality solver will then show you the steps to help you learn how to solve it on your own. Each piece of candy costs 25 cents. When you see "quantity" used in math, it can mean the amount or it could mean ( ), which it does here. 297 51 How long will your trip take (in hours) if you travel 350 km at an average speed of 80 km\hr? And we can see that, indeed, twice the number 3 is 6 as required. The sum on an odd integer and twice its consecutive is equal to equal to 3757. Explanation: Let us find the quantitative values of the numbers first. 0000002721 00000 n #2x-6#, which translates to "6 less than 2x" or "6 less than twice a number", 59237 views To log in and use all the features of Khan Academy, please enable JavaScript in your browser. So "the quantity of nine less than a number x" is: (x-9). It is like when you write $ to mean United States Dollars. Direct link to pro's post they should to see if you, Posted 4 years ago. The key is to recognize that we are going to add a quotient and a product. How doI determine if this equation is a linear function or a nonlinear function? Educators go through a rigorous application process, and every answer they submit is reviewed by our in-house editorial team. Latest answer posted October 03, 2011 at 2:12:01 PM. Let's look at some examples of writing algebraic equations. 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. -> #'n+3'#. , Posted 5 years ago. Math, like any other language, has a way of communicating ideas. Have you noticed that the division sign is a fraction line with two dots representing the numerator and denominator? The price of h pieces of candy is $2.00. So I would write 2(n + 3). This site is using cookies under cookie policy . 0000084951 00000 n What is the formula with givens: Time, Distance, Speed or Velocity? One of the many reasons is that math is more precise and easier to work with than words are. 2(n + 3) is probably what you are looking for. Twice a quantity usually indicates to take two of the things in question; usually this indicates to multiply by 2. twice means 2 and k is just a number but as a letter. 0000098126 00000 n Think of "of" meaning to multiply when you are working with fractions. startxref 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 0000011270 00000 n How do you evaluate the expression #2x+1# for #x=1#? In this lesson, we learned how to write a sentence as an algebraic equation. 0000002067 00000 n Therefore, the difference of the product and quotient is 7w - {\Large{{2 \over v}}}. Direct link to 403824's post why is fraction considere, Posted 2 years ago. We know that "Double a number" means 2x, where x is your mystery number. For Free. trailer "Twice A Number" eNotes Editorial, 24 July 2014, https://www.enotes.com/homework-help/twice-number-x-470096. 6n. 0000018939 00000 n Direct link to Kim Seidel's post Yes, "of" is a multiplica, Posted 2 years ago. Six plus one, the answer is seven. 0000001341 00000 n 17 When fourteen is added to two times a number the result is six. Solution:Let x represent the amount of money Jeanne needs. Direct link to allyson's post of course., Posted 4 years ago. This is the idea of the type of math that is named algebra. So now the expression looks like: x-9. So we had an expression about division, and it's usually not as sweet and straightforward with obvious words like these. 12 20 24 28 please help I have new clue what it is asking. Answer:x = 51, so Jeanne needs $51 to buy the game. The key to learning is to study a LOT of examples. Why do we replace numbers with letters/symbols? 0000017067 00000 n Add 1 plus 2 plus 3 plus 4. . Math Algebra Pre Algebra Question Write an algebraic expression for: 8 more than s stripes. "Twice the quantity" means 2 times what in in the parentheses. But before we delve into solving word problems that involve algebraic sentences . "Six less than.." means "Subtract 6 from". 0000000016 00000 n How do you translate into symbols: 8 minus the quantity of 7 plus q? Can their be more than 1 variable like 3xp. You cannot change their sequence. 0000018705 00000 n The key words for multiplication are: times, product, twice, doubled, multiplied, and of. Latest answer posted February 25, 2016 at 6:48:45 PM. Direct link to HannahTran2005's post Well for one, I think tha, Posted 6 years ago. 0000044093 00000 n 0000018396 00000 n To solve your inequality using the Inequality Calculator, type in your inequality like x+7>9. Hope that helps! Choose an expert and meet online. Latest answer posted October 07, 2013 at 8:13:27 PM. Latest answer posted September 07, 2010 at 12:47:25 PM. 0000085393 00000 n If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked. If we divide 1 by 2 (1/2) we get 0.5 or a half! Thirty-two is twice a number increased by eight. I like to think of fractions as segments of a pie or cake. %PDF-1.4 % Of is the tricky word. 0000097695 00000 n Just the other day my mom used math to help teach a group of girls how to make a beaded ring. Express the second number in terms of the first number y. 3x + 12. Lets say you & I split (divide) a cake, we take the 1 whole cake & slice it down the middle. What does the phrase "Twice a number x" mean? Algebraic expressions are useful because they represent the value of an expression for all of the values a variable can take on. Thus "twice a number x" can be written symbolically as 2x. So twice a number means 2x 2x. , 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. can be written as the expression. 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 3 can be written as 2x+3 2x + 3. The number "x" is represented as a letter because it is a variable. eNotes.com will help you with any book or any question. 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.) Well for one, I think that particular assignment only deals with variables. Find an answer to your question Twice a number k plus the quantity s minus 2. 3n - 8. 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). How do you evaluate variable expressions? seven divided by twice a number. Exercise A second number is 4 less than 3 times a first number. . 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. -5 plus the quantity of 4 times x Now take the product of -8 and that expression and then add 6. Answer: Let variable x be the unknown number. Therefore, the expression is 2 (x-9) or 2 (x-9) Do not confuse this with "Six less." which means "Subtract from 6". 0000003944 00000 n Do not confuse this with "Six less" which means "Subtract from 6". 0000016448 00000 n This is mostly used when you are multiplying a fraction times a number. How old is my sister? 0000017996 00000 n 49 increased by by twice a number. Notice that the phrase "decreased by" tells us to use subtraction. 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 . How do you write a quotient of a number and 6 as an expression? Exercise 11.5. 0000098455 00000 n 0000012477 00000 n Confusing, I know. Here is an example: Greater Than Or Equal To Type >= for "greater than or equal to". Sometimes in math, we describe an expression with a phrase. Select your answer by clicking on its button. You have numbers 1,2,3,4,5,6,7,8,9. 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) answered 10/01/15, Kimberly M. Solution Verified Create an account to view solutions How do you simplify the expression #3x-x+4#? Yes, "of" is a multiplication word when used with percents and fractions. Now we're really close! Example 1:Write each sentence as an algebraic equation. Less Than Or Equal To Type <= for "less than or equal to". 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. The symbols17 + x = 68form analgebraic equation. Similarly, when we describe an expression in words that includes a variable, we're describing an algebraic expression, an expression with a variable. How do you write 5 less than 2 times a number as a variable expression. 0000002224 00000 n Latest answer posted October 09, 2017 at 12:54:39 AM. Find the number. 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 Let's look at an example in which the expression consists of more than one number and/or operation. Explanation: It evolved from the fraction idea to make it a simpler concept in arithmetic. Twice a number k plus the quantity s minus Get the answers you need, now! 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. It is a variable because it varies each week, but the relationship between what the two friends eat always stays the same. 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. A large pizza pie with 15 slices is shared among p students so that each student's share is 3 slices. 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 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. 0000043840 00000 n "nine less" indicates subtraction ("less") and nine is how much less. the quotient of k and 7 \Large{{k \over 7}}, Example 1: The sum of twice a number and 3. 2023 eNotes.com, Inc. All Rights Reserved, https://en.wikipedia.org/wiki/Mathematical_notation. Now am 100. The probability that a coin turns up heads when it is tossed is 1/2. 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. If you're seeing this message, it means we're having trouble loading external resources on our website. See all questions in Variable Expressions. f=? 0000010040 00000 n 297 0 obj <> endobj No packages or subscriptions, pay only for the time you need. Answer Exercise 11.5. 0000018169 00000 n (C). Algebraic expressions are useful because they represent the value of an expression for all of the values a variable can take on. 0000003408 00000 n Example 2:Write each sentence as an algebraic equation. The product of the 1st and the 8th terms is 120. 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. all the way to 100. 0000017781 00000 n In the problem above, x is a variable. 0000097941 00000 n This is a question you should keep thinking about as we dig deeper into algebra. Direct link to Olivia S.'s post Can their be more than 1 , Posted 3 months ago. Direct link to andrea's post So we had an expression a, Posted 3 years ago. Expression. Lets go over some common words or phrases that describe the four arithmetic operations. Six more than a number. 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. Explanation: "Six less than.." means "Subtract 6 from". The given algebraic operations are such as. The quotient of fifty and five more than a number is ten. A link to the app was sent to your phone. There should be a timer to see if you know it and you can do it fast enough. ), Find one half and one quarter quarter of the following -> #2(n+3)#. For example 1/2 of a number means 1/2 times a number. When you see "quantity" used in math, it can mean the amount or it could mean ( ), which it does here. Thus "twice a number x" can be written symbolically as 2x. That's not quite right. You can even use algebraic expressions to provide situations, like when giving the rules to a game. Exercise 11.5. A farmer has a rectangular field with a length of 30 yards and width of x yards. An example of a variable that "x" might represent is the number of oranges a boy called Sam eats in a week. Write an algebraic expression for: twice a number k plus the quantity s minus 2. You would set up an algebraic equation that demonstrates a number minus 9. So "the quantity of nine less than a number x" is: (x-9). Answer:Let variable y be the unknown number. Steven G. How do you write the variable expression for: a quotient of 2 and the sum of a number and 3 ? 0000013606 00000 n For instance: computer programming/computer science. 0000008973 00000 n Answer:2k+s-2im assuming. That's a great question! Let "x" represent itself as an unknown number. 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. 0000085203 00000 n 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 5+2 5+2. Our summaries and analyses are written by experts, and your questions are answered by real teachers. answered 10/04/15. Add 1 plus 2 plus . Twice a number 2x Ten percent of x 0.10x . Direct link to SherlockHolmes.42's post Saying that n is the numb, Posted 4 years ago. Answer Also, Algebra is a useful, logical way to help explain things. Eleni is x years old. By signing up, you agree to receive useful information and to our privacy policy. answered 10/02/15, Mathematics Teacher - NCLB Highly Qualified, Laura I. 0000019112 00000 n Direct link to LayLay12's post when it said six minus b , Posted 6 years ago. 0000017608 00000 n 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.

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