xref 0000011270 00000 n Among mathematicians the term "quantity" indicates that what follows is to be treated as a single expression. Algebraic expressions are useful because they represent the value of an expression for all of the values a variable can take on. Twice a number, decreased by twenty-nine, is seven. 0000018169 00000 n Tysm smart gal/boii Advertisement Advertisement 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 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. To solve your inequality using the Inequality Calculator, type in your inequality like x+7>9. Then, you want "twice" that number, so multiply by 2. a Question Answer Exercise 11.5. 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 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. can be written as the algebraic expression. How do you evaluate the expression #2x+1# for #x=1#? 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. 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? -> #'n+3'#. Math Algebra Pre Algebra Question Write an algebraic expression for: 8 more than s stripes. In thirteen years she will be twenty-four years old. So "the quantity of nine less than a number x" is: (x-9). Algebraic expressions are useful because they represent the value of an expression for all of the values a variable can take on. My questions is, what are other ways to say 'divided by' and can you give me examples? Directions: Select the algebraic equation that correctly represents the given sentence. . Direct link to ~panda boy jickle~'s post why does the square over , Posted 5 years ago. 0000016448 00000 n How do you write the variable expression for: a quotient of 2 and the sum of a number and 3 ? How do you write 5 less than 2 times a number as a variable expression? (B) 1/2 of 28. 0000098455 00000 n 0000016276 00000 n 3x + 12. Suzanne made a withdrawal of d dollars from her savings account. 0000003944 00000 n 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) 0000017067 00000 n answered 10/02/15, Mathematics Teacher - NCLB Highly Qualified, Laura I. So Ive got a math question but cant understand the second part. plus the quantity s is just s as a number, then minus 2 is, This site is using cookies under cookie policy . How do you simplify the expression #3x-x+4#? If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked. all the way to 100. Exercise 11.5. Log in here. The three main components of algebraic expressions are numbers, variables, and arithmetic operations. No packages or subscriptions, pay only for the time you need. 0000043840 00000 n Direct link to Davis's post You can say 'divided by' , Posted a year ago. So, the phrase. 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=? So triple a number means 3y 3y. It evolved from the fraction idea to make it a simpler concept in arithmetic. The product of the 1st and the 8th terms is 120. Choose an expert and meet online. Answer:2k+s-2im assuming. 0000071710 00000 n How do you translate into symbols: 8 minus the quantity of 7 plus q? Examples:+ (addition), - (subtraction) , \times (multiplication) , (division). 8 minus some number : 8 - t : the difference between a number and 12 : w - 12 . So now the expression looks like: x-9. , Posted 5 years ago. 17 When fourteen is added to two times a number the result is six. 0000002067 00000 n This is the idea of the type of math that is named algebra. kingkingdoms332 kingkingdoms332 02/06/2018 Mathematics Middle School answered expert verified Twice a number k plus the quantity s minus 1 See answer Mark M. How do you write a product of a number and 2 as an expression? 0000044093 00000 n 0000016836 00000 n The key to learning is to study a LOT of examples. 0000013606 00000 n That's not quite right. Most questions answered within 4 hours. Similarly, when we describe an expression in words that includes a . Get a free answer to a quick problem. Six more than a number. Twice the quantity usually means, "get ready for parentheses". Direct link to SherlockHolmes.42's post Saying that n is the numb, Posted 4 years ago. How do you write 5 less than 2 times a number as a variable expression. 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 Do not confuse this with "Six less" which means "Subtract from 6". 0000018531 00000 n It's saying that two plus three is the same thing as five. Direct link to Archer8888's post I like to think of fracti, Posted 6 years ago. 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. Express the second number in terms of the first number y. . 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 Kim Seidel's post Yes, "of" is a multiplica, Posted 2 years ago. Have you noticed that the division sign is a fraction line with two dots representing the numerator and denominator? Find an answer to your question Twice a number k plus the quantity s minus 2. Direct link to Michelle Hoeks's post So Ive got a math questi, Posted 4 years ago. Direct link to andrea's post So we had an expression a, Posted 3 years ago. Twice the quantity translates to: 2( ). "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. Thus "twice a number x" can be written symbolically as 2x. For example, the phrase. Does that mean if the coin is tossed twice, we will get one heads. Answer:x = 51, so Jeanne needs $51 to buy the game. Add 1 plus 2 plus . Math, like any other language, has a way of communicating ideas. Also, Algebra is a useful, logical way to help explain things. 6n. Now we're really close! f=? But before we delve into solving word problems that involve algebraic sentences . Let "x" represent itself as an unknown number. how do i answer that? 0000008973 00000 n Example 3: Write each phrase as an algebraic expression using the variable n. Phrase. 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. 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. Subtracted, minus, difference, less than, decreased by. When you see "quantity" used in math, it can mean the amount or it could mean ( ), which it does here. 2(n + 3) is probably what you are looking for. 2n + 5. the product of a number and 6. The sum (use plus symbol) of twice a number and 3 can be written as 2x+3. 16 Ten times a quantity increased by two is nine. 19 Three fifths of a number plus eight is fifty. Find the number. Well for one, I think that particular assignment only deals with variables. A large pizza pie with 15 slices is shared among p students so that each student's share is 3 slices. . ! Now we're really close! 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. If we divide 1 by 2 (1/2) we get 0.5 or a half! What is the formula with givens: Time, Distance, Speed or Velocity? Try our Order of Operations Worksheet Generator. You cannot change their sequence. 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. So "the quantity of nine less than a number x" is: (x-9). Therefore, the sum of the quotient and product is {\Large{{m \over 2}}} + 4n. "Six less than.." means "Subtract 6 from". Answer Example 8 The length of a rectangle is L. -5 plus the quantity of 4 times x Now take the product of -8 and that expression and then add 6. You could have . The probability that a coin turns up heads when it is tossed is 1/2. Latest answer posted February 25, 2016 at 6:48:45 PM. Just the other day my mom used math to help teach a group of girls how to make a beaded ring. seven divided by twice a number. Answer Exercise 11.5. Divide 5400 among Arya, Ashwin and Amir in the ratio 1:2:6. Our summaries and analyses are written by experts, and your questions are answered by real teachers. So we had an expression about division, and it's usually not as sweet and straightforward with obvious words like these. 0000018396 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. Direct link to BoQuizard:'s post Is't 'of' a multiplicatio, Posted 4 years ago. So triple a number means 3y. 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. Latest answer posted October 07, 2013 at 8:13:27 PM. 2023. Who are the experts?Our certified Educators are real professors, teachers, and scholars who use their academic expertise to tackle your toughest questions. Already a member? Three times a number minus 8. 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. To log in and use all the features of Khan Academy, please enable JavaScript in your browser. The number "x" is represented as a letter because it is a variable. "Twice the quantity" means 2 times what in in the parentheses. You have numbers 1,2,3,4,5,6,7,8,9. What does the phrase "Twice a number x" mean? 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 5 less than the product of 3 and a number : 3w - 5 : twice the difference between a number and 9 : 2(z - 9) . Example 3:Write each sentence as an algebraic equation. Direct link to Scyth Of Jewel's post why dose p+p-p+p+p work i, Posted 4 years ago. 0 You can see that "x" is a shorthand way of saying "number of oranges eaten per week". How much money does she need to buy a game that costs $68? 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 1/2 of 64 (D) 1/2 of 54. Therefore, the expression is 2 (x-9) or 2 (x-9) Yes, "of" is a multiplication word when used with percents and fractions. 0000097695 00000 n 0000017781 00000 n 18 Four times a number minus twenty-nine is eleven. ), Find one half and one quarter quarter of the following In this lesson, we learned how to write a sentence as an algebraic equation. Educators go through a rigorous application process, and every answer they submit is reviewed by our in-house editorial team. trailer Well, if b doesn't have value, b can go before or after six. Steven G. 0000000016 00000 n 0000010040 00000 n 0000098126 00000 n You take your half (1/2), now I have one half (1/2). Direct link to bruh's post Well, if b doesn't have v, Learn to write expressions for phrases like "3 more than x.". If you're seeing this message, it means we're having trouble loading external resources on our website. How? If of a number is 4 more than of the same number, what is the number? 0000006774 00000 n Exercise A second number is 4 less than 3 times a first number. That is a common way to represent division in algebra, the division sign is not really used there. For example, the phrase. 0000017473 00000 n Twice a number k plus the quantity s minus Get the answers you need, now! Direct link to jacob_tolle's post How could algebraic expre, Posted 7 years ago. 2023 eNotes.com, Inc. All Rights Reserved, https://en.wikipedia.org/wiki/Mathematical_notation. In the problem above, x is avariable. The sum on an odd integer and twice its consecutive is equal to equal to 3757. 0000016663 00000 n With our Essay Lab, you can create a customized outline within seconds to get started on your essay right away. 0000097941 00000 n The given algebraic operations are such as. Direct link to LayLay12's post when it said six minus b , Posted 6 years ago. 297 51 So I would write 2(n + 3). So now the expression looks like: x-9. Therefore, we have: 2x 6, which translates to "6 less than 2x" or "6 less than twice a number". 0000019463 00000 n 0000019325 00000 n the quotient of k and 7 \Large{{k \over 7}}, Example 1: The sum of twice a number and 3. We know that "Double a number" means #2x#, where #x# is your mystery number. "Twice A Number" eNotes Editorial, 24 July 2014, https://www.enotes.com/homework-help/twice-number-x-470096. The quotient of fifty and five more than a number is ten. Eight minus two, the answer is six. Let us find the quantitative values of the numbers first. 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. This site is using cookies under cookie policy . When you see "quantity" used in math, it can mean the amount or it could mean ( ), which it does here. You can even use algebraic expressions to provide situations, like when giving the rules to a game. For example: why is fraction considered as a division? How do you write the variable expression for: a quotient of 2 and the sum of a number and 3 ? Write an algebraic expression for: twice a number k plus the quantity s minus 2. 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. 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. So twice a number means 2x 2x. Twice a number 2x Ten percent of x 0.10x . 0000007851 00000 n Direct link to pro's post they should to see if you, Posted 4 years ago. Exercise 11.5. answered 10/01/15, Kimberly M. 1. if the number is denoted #n#, then ##'a number and 3'# "Twice the quantity" means 2 times what in in the parentheses. Example 2: The difference of triple a number and 5. 0000001602 00000 n Hope that helps! 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. 0000017996 00000 n Find an expression for thrice of s, added with twice of t and subtraction of 9. See all questions in Variable Expressions. What do the letters R, Q, N, and Z mean in math? Let us know your assignment type and we'll make sure to get you exactly the kind of answer you need. Lets say you & I split (divide) a cake, we take the 1 whole cake & slice it down the middle. Six plus one, the answer is seven. 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. Akgdvnchbffb Akgdvnchbffb 15.08.2017 Math Primary School answered Twice a number k plus the quantity s minus 2 1 See answer Advertisement That's a great question! Answer: Let variable x be the unknown number. When I was 4 years old, my sister was half my age. Free math worksheets, charts and calculators, About Us | Contact Us | Advertise With Us | Facebook | Recommend This Page. 3n - 8. One of the many reasons is that math is more precise and easier to work with than words are. 0000085678 00000 n How do you evaluate the expression #2x+1# for #x=1#? 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 Twice a quantity usually indicates to take two of the things in question; usually this indicates to multiply by 2. Explanation: (A)1/2 of 32. The inequality solver will then show you the steps to help you learn how to solve it on your own. 347 0 obj<>stream The difference (use minus symbol) of triple a number and 5 5 should be written as 3y - 5 3y 5. Here is an example: Greater Than Or Equal To Type >= for "greater than or equal to". eNotes.com will help you with any book or any question. Let's look at some examples of writing algebraic equations. The following are easy examples that can help you get familiar with the operations of addition, subtraction, multiplication,and division. twice means 2 and k is just a number but as a letter. 0000084951 00000 n So twice a number means 2x. why does the square over the square mean divided? Accessed 4 Mar. And we can see that, indeed, twice the number 3 is 6 as required. answered 10/04/15. The key words for multiplication are: times, product, twice, doubled, multiplied, and of. There are lots of different ways algebraic expressions are used in everyday life. . How do you write a quotient of a number and 6 as an expression? 1 See answer Advertisement . 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). 0000085393 00000 n Do not confuse this with "Six less." which means "Subtract from 6". 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 cant we have an actual division sign? Take a look at the CS tutorials on Khan Academy and you'll see what I mean. You would set up an algebraic equation that demonstrates a number minus 9. Direct link to Olivia S.'s post Can their be more than 1 , Posted 3 months ago. Why do we replace numbers with letters/symbols? Why use math if we can describe things in words? This is a question you should keep thinking about as we dig deeper into algebra. Semi-retired with loads of real-life math experience. Almost always, the word "is" in an algebraic sentence denotes the symbol of equality. Direct link to Nicholas's post That is a common way to r, Posted 7 years ago. A link to the app was sent to your phone. Thus "twice a number x" can be written symbolically as 2x. Solution:Let x represent the amount of money Jeanne needs. around the world. For Free. It makes comparing prices at a glance easier. -> #'a number +3'# 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. 0000071957 00000 n How do you evaluate variable expressions? The price of h pieces of candy is $2.00. Making educational experiences better for everyone. Answer: 2k+s-2 Step-by-step explanation: twice means 2 and k is just a number but as a letter. Can their be more than 1 variable like 3xp. Latest answer posted September 07, 2010 at 12:47:25 PM. Explanation: "Six less than.." means "Subtract 6 from". 0000003908 00000 n Sometimes in math, we describe an expression with a phrase. Sometimes in math, we describe an expression with a phrase. startxref And you didn't have to write it this way. 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 . %%EOF 49 increased by by twice a number. 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 Therefore, the difference of the product and quotient is 7w - {\Large{{2 \over v}}}. Example 2: The difference of triple a number and 5 5 Answer: Let variable y y be the unknown number. 6 less than the quotient of z divided by 3 Write an algebraic expression for: 12 fewer than h hats. answered 10/01/15, Knowledgeable Math, ESL, Behavioral, Core, SAT, SSAT, and K-6 Tutor. 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 . 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. Select your answer by clicking on its button. How could algebraic expression be used in everyday life? Find the value of x. n11's. 0000012477 00000 n Now am 100. Her old balance was $350, and her new balance is $280. This is mostly used when you are multiplying a fraction times a number. (Sides meet at right angles. 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. Direct link to Da'shyne Green's post There should be a timer t, Posted 10 months ago. The key is to recognize that we are going to add a quotient and a product. Of is the tricky word. In the problem above, x is a variable. x + 6. It is like when you write $ to mean United States Dollars. Confusing, I know. Let's look at an example in which the expression consists of more than one number and/or operation. Write an algebraic expression for: twice a number k plus the quantity s minus 2. Expression. 6 (n + 3) One less than five times a number. Direct link to E's post That's a great question! Explanation: Let us find the quantitative values of the numbers first. The quantity of 3 plus 5 multiplied by a number (3 + 5)n. But why? The difference (use minus symbol) of triple a number and 5 should be written as 3y - 5. Thirty-two is twice a number increased by eight. xb``g``c``` -> #2(n+3)#. There should be a timer to see if you know it and you can do it fast enough. "two more than five". 0000017608 00000 n The symbols 17 + x = 68 form an algebraic equation. 0000008841 00000 n We know that "Double a number" means 2x, where x is your mystery number. It also saves on ink and time! Inside the parentheses, expect a sum when the statement just says "and". 0000006637 00000 n 0000019112 00000 n Posted 5 years ago. For instance: computer programming/computer science. 0000018939 00000 n Here is a table that summarizes common words for each operation: For example, the word product tells us to use multiplication. Direct link to HannahTran2005's post Well for one, I think tha, Posted 6 years ago. Step-by-step explanation: thxm can you explain it? "nine less" indicates subtraction ("less") and nine is how much less. 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. All Rights Reserved. 68 - 17 = x Answer: x = 51, so Jeanne needs $51 to buy the game. %PDF-1.4 % Answer:Let variable y be the unknown number. How would you write this as an algebraic expression? Notice that the phrase "decreased by" tells us to use subtraction. The symbols17 + x = 68form analgebraic equation. Summary:An algebraic equation is an equation that includes one or more variables. Six times n plus three. #2x-6#, which translates to "6 less than 2x" or "6 less than twice a number", 59237 views 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. I like to think of fractions as segments of a pie or cake. (C). None less than a number translates to x - 9. Latest answer posted October 09, 2017 at 12:54:39 AM. 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. How old is my sister? This site is using cookies under cookie policy . 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. 0000001782 00000 n How do you write a quotient of a number and 6 as an expression? Copyright 2020 Math Goodies. Each piece of candy costs 25 cents. five more than twice a number. If you make a mistake, choose a different button. Triple a number increased by twelve. Problem:Jeanne has $17 in her piggy bank. For example 1/2 of a number means 1/2 times a number. 0000002224 00000 n Feedback to your answer is provided in the RESULTS BOX. 0000001341 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. 0000017241 00000 n Twice a number minus seven equals four. How do you translate into symbols: The difference of six squared and b? How long will your trip take (in hours) if you travel 350 km at an average speed of 80 km\hr? The sum (use plus symbol) of twice a number and 3 3 can be written as 2x+3 2x + 3. 0000098411 00000 n Direct link to allyson's post of course., Posted 4 years ago. How doI determine if this equation is a linear function or a nonlinear function? By signing up, you agree to receive useful information and to our privacy policy. Solution Verified Create an account to view solutions Answer The difference of twice a number and five. With numbers 1 to 9, we have to make the answer 100. Eleni is x years old. How do you write a product of a number and 2 as an expression? Example 2:Write each sentence as an algebraic equation. Twelve is sixteen less than four times a number. c>3003|b7!C3CTGCJ]^LgX. 0000005581 00000 n 297 0 obj <> endobj How do you simplify the expression #3x-x+4#? 0000018705 00000 n Lets go over some common words or phrases that describe the four arithmetic operations. It is a variable because it varies each week, but the relationship between what the two friends eat always stays the same. Direct link to 403824's post why is fraction considere, Posted 2 years ago.