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0000018939 00000 n 0000085203 00000 n Add 1 plus 2 plus 3 plus 4. . plus the quantity s is just s as a number, then minus 2 is, This site is using cookies under cookie policy . 0000017781 00000 n 2n + 5. the product of a number and 6. Direct link to Nicholas's post That is a common way to r, Posted 7 years ago. 297 51 2023 eNotes.com, Inc. All Rights Reserved, https://en.wikipedia.org/wiki/Mathematical_notation. Express each of the following in the lowest form1) 12:72. So triple a number means 3y 3y. None less than a number translates to x - 9. You can see that "x" is a shorthand way of saying "number of oranges eaten per week". 0000097941 00000 n The sum (use plus symbol) of twice a number and 3 can be written as 2x+3. Then, you want "twice" that number, so multiply by 2. a Question 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. So Ive got a math question but cant understand the second part. 0000098126 00000 n Let us find the quantitative values of the numbers first. This site is using cookies under cookie policy . We know that "Double a number" means 2x, where x is your mystery number. Write an algebraic expression for: twice a number k plus the quantity s minus 2. "Twice the quantity" means 2 times what in in the parentheses. 0000017996 00000 n Similarly, when we describe an expression in words that includes a variable, we're describing an algebraic expression, an expression with a variable. Direct link to ~panda boy jickle~'s post why does the square over , Posted 5 years ago. How do you evaluate the expression #2x+1# for #x=1#? Twice a quantity usually indicates to take two of the things in question; usually this indicates to multiply by 2. Latest answer posted October 07, 2013 at 8:13:27 PM. 0000007851 00000 n How do you write the variable expression for: a quotient of 2 and the sum of a number and 3 ? 0000085393 00000 n 0000006774 00000 n Get a free answer to a quick problem. The difference of twice a number and five. Latest answer posted October 09, 2017 at 12:54:39 AM. 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. 0000071710 00000 n This is mostly used when you are multiplying a fraction times a number. Tysm smart gal/boii Advertisement Advertisement In thirteen years she will be twenty-four years old. 0000098411 00000 n There should be a timer to see if you know it and you can do it fast enough. Examples:+ (addition), - (subtraction) , \times (multiplication) , (division). How old is my sister? Almost always, the word "is" in an algebraic sentence denotes the symbol of equality. Expression. 0000017608 00000 n How do you simplify the expression #3x-x+4#? Explanation: 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. Confusing, I know. When I was 4 years old, my sister was half my age. . Twice a number, decreased by twenty-nine, is seven. 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. Our summaries and analyses are written by experts, and your questions are answered by real teachers. You have numbers 1,2,3,4,5,6,7,8,9. Copyright 2020 Math Goodies. Thus "twice a number x" can be written symbolically as 2x. So twice a number means 2x. 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 Well for one, I think that particular assignment only deals with variables. 12 20 24 28 please help I have new clue what it is asking. 0000016663 00000 n 1. Exercise 11.5. (Sides meet at right angles. Yes, "of" is a multiplication word when used with percents and fractions. 3n - 8. 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 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) Suzanne made a withdrawal of d dollars from her savings account. Answer -> #'a number +3'# How do you write 5 less than 2 times a number as a variable expression? So, the phrase. It also saves on ink and time! Here is an example: Greater Than Or Equal To Type >= for "greater than or equal to". 0000000016 00000 n In this lesson, we learned how to write a sentence as an algebraic equation. 5 less than the product of 3 and a number : 3w - 5 : twice the difference between a number and 9 : 2(z - 9) . So "the quantity of nine less than a number x" is: (x-9). How doI determine if this equation is a linear function or a nonlinear function? Problem:Jeanne has $17 in her piggy bank. seven divided by twice a number. 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. The key to learning is to study a LOT of examples. For example, the phrase. Lets go over some common words or phrases that describe the four arithmetic operations. You cannot change their sequence. 0000043840 00000 n It evolved from the fraction idea to make it a simpler concept in arithmetic. For Free. Why cant we have an actual division sign? Exercise 11.5. Therefore, the difference of the product and quotient is 7w - {\Large{{2 \over v}}}. startxref Twice a number minus seven equals four. 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. can be written as the algebraic expression. It makes comparing prices at a glance easier. "two more than five". %%EOF Direct link to LayLay12's post when it said six minus b , Posted 6 years ago. Feedback to your answer is provided in the RESULTS BOX. 0000071957 00000 n 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. Why do we replace numbers with letters/symbols? 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 18 Four times a number minus twenty-nine is eleven. 5+2 5+2. Direct link to 403824's post why is fraction considere, Posted 2 years ago. Do not confuse this with "Six less." which means "Subtract from 6". So twice a number means 2x 2x. Eight minus two, the answer is six. The given algebraic operations are such as. All Rights Reserved. if the number is denoted #n#, then ##'a number and 3'# Now am 100. 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. 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). Math Algebra Pre Algebra Question Write an algebraic expression for: 8 more than s stripes. 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. If you make a mistake, choose a different button. Most questions answered within 4 hours. Solution Verified Create an account to view solutions Example 2:Write each sentence as an algebraic equation. xref 0000006637 00000 n <<277E800E0BCB7D49B5073CE66CA6BD91>]>> Notice that the phrase "decreased by" tells us to use subtraction. Think of "of" meaning to multiply when you are working with fractions. 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 How do you evaluate the expression #2x+1# for #x=1#? Here is a table that summarizes common words for each operation: For example, the word product tells us to use multiplication. Answer Exercise 11.5. 0000098455 00000 n 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. 2023. Who are the experts?Our certified Educators are real professors, teachers, and scholars who use their academic expertise to tackle your toughest questions. Each piece of candy costs 25 cents. The number "x" is represented as a letter because it is a variable. Direct link to Davis's post You can say 'divided by' , Posted a year ago. . 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? 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. Of is the tricky word. Algebraic expressions are useful because they represent the value of an expression for all of the values a variable can take on. See all questions in Variable Expressions. Explanation: "Six less than.." means "Subtract 6 from". 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. Can their be more than 1 variable like 3xp. 0000001341 00000 n There are lots of different ways algebraic expressions are used in everyday life. Add 1 plus 2 plus . Let's look at an example in which the expression consists of more than one number and/or operation. 0000017473 00000 n 0000019463 00000 n 49 increased by by twice a number. Thus "twice a number x" can be written symbolically as 2x. 1/2 of 64 (D) 1/2 of 54. Twice a number k plus the quantity s minus Get the answers you need, now! Direct link to pro's post they should to see if you, Posted 4 years ago. If you're seeing this message, it means we're having trouble loading external resources on our website. 0000018169 00000 n xb``g``c``` Eleni is x years old. 68 - 17 = x Answer: x = 51, so Jeanne needs $51 to buy the game. 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). Sometimes in math, we describe an expression with a phrase. , 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 would you write this as an algebraic expression? No packages or subscriptions, pay only for the time you need. You take your half (1/2), now I have one half (1/2). A large pizza pie with 15 slices is shared among p students so that each student's share is 3 slices. Direct link to jacob_tolle's post How could algebraic expre, Posted 7 years ago. How do you evaluate variable expressions? For example 1/2 of a number means 1/2 times a number. 0 Latest answer posted February 25, 2016 at 6:48:45 PM. Direct link to allyson's post of course., Posted 4 years ago. The sum (use plus symbol) of twice a number and 3 3 can be written as 2x+3 2x + 3. My questions is, what are other ways to say 'divided by' and can you give me examples? -> #2(n+3)#. Find the number. How do you simplify the expression #3x-x+4#? Well, if b doesn't have value, b can go before or after six. 0000016836 00000 n Therefore, we have: 2x 6, which translates to "6 less than 2x" or "6 less than twice a number". Example 2: The difference of triple a number and 5 5 Answer: Let variable y y be the unknown number. How do you translate into symbols: The difference of six squared and b? By signing up, you agree to receive useful information and to our privacy policy. 0000005581 00000 n 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. If we divide 1 by 2 (1/2) we get 0.5 or a half! Twice the quantity usually means, "get ready for parentheses". 0000010040 00000 n Example 3: Write each phrase as an algebraic expression using the variable n. Phrase. (B) 1/2 of 28. That's not quite right. Latest answer posted October 03, 2011 at 2:12:01 PM. Direct link to bruh's post Well, if b doesn't have v, Learn to write expressions for phrases like "3 more than x.". f=? twice means 2 and k is just a number but as a letter. 19 Three fifths of a number plus eight is fifty. 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 translate into symbols: 8 minus the quantity of 7 plus q? Posted 5 years ago. The product of the 1st and the 8th terms is 120. So we had an expression about division, and it's usually not as sweet and straightforward with obvious words like these. 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. When you see "quantity" used in math, it can mean the amount or it could mean ( ), which it does here. How do you write the variable expression for: a quotient of 2 and the sum of a number and 3 ? 0000003944 00000 n The quotient of fifty and five more than a number is ten. 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 Answer: Let variable x be the unknown number. Subtracted, minus, difference, less than, decreased by. Math, like any other language, has a way of communicating ideas. It is like when you write $ to mean United States Dollars. Accessed 4 Mar. In the problem above, x is avariable. 0000018705 00000 n 0000017241 00000 n Step-by-step explanation: thxm can you explain it? Select your answer by clicking on its button. Six times n plus three. Direct link to BoQuizard:'s post Is't 'of' a multiplicatio, Posted 4 years ago. 347 0 obj<>stream For example: why is fraction considered as a division? all the way to 100. Have you noticed that the division sign is a fraction line with two dots representing the numerator and denominator? Then the following equation can represent this problem: We can subtract 17 from both sides of the equation to find the value of x. 8 minus some number : 8 - t : the difference between a number and 12 : w - 12 . So "the quantity of nine less than a number x" is: (x-9). Explanation: Let us find the quantitative values of the numbers first. Do not confuse this with "Six less" which means "Subtract from 6". The symbols17 + x = 68form analgebraic equation. Inside the parentheses, expect a sum when the statement just says "and". That is a common way to represent division in algebra, the division sign is not really used there. The probability that a coin turns up heads when it is tossed is 1/2. 0000016276 00000 n 0000002721 00000 n Already a member? answered 10/04/15. Lets say you & I split (divide) a cake, we take the 1 whole cake & slice it down the middle. 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=? Among mathematicians the term "quantity" indicates that what follows is to be treated as a single expression. "Twice A Number" eNotes Editorial, 24 July 2014, https://www.enotes.com/homework-help/twice-number-x-470096. . Hope that helps! 0000012477 00000 n How long will your trip take (in hours) if you travel 350 km at an average speed of 80 km\hr? answered 10/02/15, Mathematics Teacher - NCLB Highly Qualified, Laura I. So triple a number means 3y. Six plus one, the answer is seven. Choose an expert and meet online. When you see "quantity" used in math, it can mean the amount or it could mean ( ), which it does here. 0000018531 00000 n 0000011270 00000 n 0000008841 00000 n 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.) Log in here. 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. Now we're really close! "nine less" indicates subtraction ("less") and nine is how much less. Twice the quantity translates to: 2( ). 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. 0000002224 00000 n Free math worksheets, charts and calculators, About Us | Contact Us | Advertise With Us | Facebook | Recommend This Page. Let "x" represent itself as an unknown number. This is a question you should keep thinking about as we dig deeper into algebra. 17 When fourteen is added to two times a number the result is six. And you didn't have to write it this way. Example 3:Write each sentence as an algebraic equation. Divide 5400 among Arya, Ashwin and Amir in the ratio 1:2:6. (C). Her old balance was $350, and her new balance is $280. Direct link to Da'shyne Green's post There should be a timer t, Posted 10 months ago. How? 0000002067 00000 n 16 Ten times a quantity increased by two is nine. how do i answer that? The symbols 17 + x = 68 form an algebraic equation. 0000019325 00000 n A link to the app was sent to your phone. 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 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 . -5 plus the quantity of 4 times x Now take the product of -8 and that expression and then add 6. It is a variable because it varies each week, but the relationship between what the two friends eat always stays the same. What does the phrase "Twice a number x" mean? Write an algebraic expression for: twice a number k plus the quantity s minus 2. How do you evaluate variable expressions? Find an answer to your question Twice a number k plus the quantity s minus 2. c>3003|b7!C3CTGCJ]^LgX. To solve your inequality using the Inequality Calculator, type in your inequality like x+7>9. the quotient of k and 7 \Large{{k \over 7}}, Example 1: The sum of twice a number and 3. 2(n + 3) is probably what you are looking for. Try our Order of Operations Worksheet Generator. So now the expression looks like: x-9. 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. Direct link to Michelle Hoeks's post So Ive got a math questi, Posted 4 years ago. 0000085678 00000 n Steven G. Exercise A second number is 4 less than 3 times a first number. 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. This site is using cookies under cookie policy . ), Find one half and one quarter quarter of the following I like to think of fractions as segments of a pie or cake. kingkingdoms332 kingkingdoms332 02/06/2018 Mathematics Middle School answered expert verified Twice a number k plus the quantity s minus 1 See answer eNotes.com will help you with any book or any question. Sometimes in math, we describe an expression with a phrase. Direct link to Olivia S.'s post Can their be more than 1 , Posted 3 months ago. To log in and use all the features of Khan Academy, please enable JavaScript in your browser. "Twice the quantity" means 2 times what in in the parentheses. With our Essay Lab, you can create a customized outline within seconds to get started on your essay right away. Therefore, the sum of the quotient and product is {\Large{{m \over 2}}} + 4n. Express the second number in terms of the first number y. Let us know your assignment type and we'll make sure to get you exactly the kind of answer you need. How much money does she need to buy a game that costs $68? The quantity of 3 plus 5 multiplied by a number (3 + 5)n. Direct link to andrea's post So we had an expression a, Posted 3 years ago. 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. The three main components of algebraic expressions are numbers, variables, and arithmetic operations. Let's look at some examples of writing algebraic equations. It's saying that two plus three is the same thing as five. 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. trailer x + 6. With numbers 1 to 9, we have to make the answer 100. 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. Mark M. 0000008973 00000 n 0000018396 00000 n The difference (use minus symbol) of triple a number and 5 5 should be written as 3y - 5 3y 5. Answer Example 8 The length of a rectangle is L. Twice a number 2x Ten percent of x 0.10x . Three times a number minus 8. "Six less than.." means "Subtract 6 from". The price of h pieces of candy is $2.00. A farmer has a rectangular field with a length of 30 yards and width of x yards. It is critical that you understand these words or phrases in order to successfully write or interpret any given algebraic expression. 6n. Educators go through a rigorous application process, and every answer they submit is reviewed by our in-house editorial team. The inequality solver will then show you the steps to help you learn how to solve it on your own. Direct link to Kim Seidel's post Yes, "of" is a multiplica, Posted 2 years ago. 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 . This is the idea of the type of math that is named algebra. ! Direct link to Archer8888's post I like to think of fracti, Posted 6 years ago. Six more than a number. Answer:x = 51, so Jeanne needs $51 to buy the game. Solution:Let x represent the amount of money Jeanne needs. -> #'n+3'#. answered 10/01/15, Kimberly M. Direct link to HannahTran2005's post Well for one, I think tha, Posted 6 years ago. Just the other day my mom used math to help teach a group of girls how to make a beaded ring. How do you write 5 less than 2 times a number as a variable expression. The key is to recognize that we are going to add a quotient and a product. What is the formula with givens: Time, Distance, Speed or Velocity? Akgdvnchbffb Akgdvnchbffb 15.08.2017 Math Primary School answered Twice a number k plus the quantity s minus 2 1 See answer Advertisement For example, the phrase. Take a look at the CS tutorials on Khan Academy and you'll see what I mean. An example of a variable that "x" might represent is the number of oranges a boy called Sam eats in a week. 0000001602 00000 n 0000017067 00000 n around the world. 0000001782 00000 n Answer: 2k+s-2 Step-by-step explanation: twice means 2 and k is just a number but as a letter. Making educational experiences better for everyone. Less Than Or Equal To Type <= for "less than or equal to". You would set up an algebraic equation that demonstrates a number minus 9. But why? The key words for multiplication are: times, product, twice, doubled, multiplied, and of. Also, Algebra is a useful, logical way to help explain things. 0000013606 00000 n 297 0 obj <> endobj Direct link to Scyth Of Jewel's post why dose p+p-p+p+p work i, Posted 4 years ago. Latest answer posted September 07, 2010 at 12:47:25 PM. why does the square over the square mean divided? Direct link to SherlockHolmes.42's post Saying that n is the numb, Posted 4 years ago. 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. (A)1/2 of 32. Example 1:Write each sentence as an algebraic equation. Triple a number increased by twelve. So I would write 2(n + 3). Answer:2k+s-2im assuming. 1 See answer Advertisement . How could algebraic expression be used in everyday life? Direct link to E's post That's a great question! Why use math if we can describe things in words? 0000044093 00000 n 6 (n + 3) One less than five times a number. %PDF-1.4 % Therefore, the expression is 2 (x-9) or 2 (x-9) We know that "Double a number" means #2x#, where #x# is your mystery number. How do you write a product of a number and 2 as an expression? answered 10/01/15, Knowledgeable Math, ESL, Behavioral, Core, SAT, SSAT, and K-6 Tutor. You can even use algebraic expressions to provide situations, like when giving the rules to a game. In the problem above, x is a variable. But before we delve into solving word problems that involve algebraic sentences . 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. One of the many reasons is that math is more precise and easier to work with than words are. Directions: Select the algebraic equation that correctly represents the given sentence. Find an expression for thrice of s, added with twice of t and subtraction of 9. What do the letters R, Q, N, and Z mean in math? Thirty-two is twice a number increased by eight. Semi-retired with loads of real-life math experience. Find the value of x. n11's. Algebraic expressions are useful because they represent the value of an expression for all of the values a variable can take on. #2x-6#, which translates to "6 less than 2x" or "6 less than twice a number", 59237 views