0000085393 00000 n 2023. Who are the experts?Our certified Educators are real professors, teachers, and scholars who use their academic expertise to tackle your toughest questions. 0000018169 00000 n "nine less" indicates subtraction ("less") and nine is how much less. You can even use algebraic expressions to provide situations, like when giving the rules to a game. Example 3:Write each sentence as an algebraic equation. Now we're really close! The symbols 17 + x = 68 form an algebraic equation. 0000097941 00000 n 0000002067 00000 n 0000019463 00000 n And we can see that, indeed, twice the number 3 is 6 as required. The quotient of fifty and five more than a number is ten. 0 Algebraic expressions are useful because they represent the value of an expression for all of the values a variable can take on. Therefore, we have: 2x 6, which translates to "6 less than 2x" or "6 less than twice a number". 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. How do you evaluate the expression #2x+1# for #x=1#? Twice a number minus seven equals four. In the problem above, x is a variable. How could algebraic expression be used in everyday life? Do not confuse this with "Six less." which means "Subtract from 6". 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). Answer Exercise 11.5. Let "x" represent itself as an unknown number. See all questions in Variable Expressions. Latest answer posted September 07, 2010 at 12:47:25 PM. 0000001341 00000 n Take a look at the CS tutorials on Khan Academy and you'll see what I mean. Steven G. My questions is, what are other ways to say 'divided by' and can you give me examples? 17 When fourteen is added to two times a number the result is six. You can see that "x" is a shorthand way of saying "number of oranges eaten per week". twice means 2 and k is just a number but as a letter. For example, the phrase. Do not confuse this with "Six less" which means "Subtract from 6". Tysm smart gal/boii Advertisement Advertisement Latest answer posted October 09, 2017 at 12:54:39 AM. It is like when you write $ to mean United States Dollars. ! Think of "of" meaning to multiply when you are working with fractions. For example: why is fraction considered as a division? 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 0000097695 00000 n Step-by-step explanation: thxm can you explain it? 0000001782 00000 n How long will your trip take (in hours) if you travel 350 km at an average speed of 80 km\hr? Direct link to bruh's post Well, if b doesn't have v, Learn to write expressions for phrases like "3 more than x.". This is the idea of the type of math that is named algebra. xref How do you evaluate the expression #2x+1# for #x=1#? 6 less than the quotient of z divided by 3 Write an algebraic expression for: 12 fewer than h hats. 0000016448 00000 n "Twice the quantity" means 2 times what in in the parentheses. Posted 5 years ago. 0000017241 00000 n -> #2(n+3)#. Copyright 2020 Math Goodies. 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. 0000016663 00000 n 0000012477 00000 n 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. How do you translate into symbols: The difference of six squared and b? 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 . But why? 0000098455 00000 n The inequality solver will then show you the steps to help you learn how to solve it on your own. 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. When I was 4 years old, my sister was half my age. But before we delve into solving word problems that involve algebraic sentences . junyanyacooney10 junyanyacooney10 11/08/2020 Mathematics College answered Twice a number k plus the quantity s minus 2 1 See answer Advertisement 0000017996 00000 n 3n - 8. Problem:Jeanne has $17 in her piggy bank. Six more than a number. How do you evaluate variable expressions? Direct link to Davis's post You can say 'divided by' , Posted a year ago. Now we're really close! How? x + 6. Direct link to pro's post they should to see if you, Posted 4 years ago. 297 0 obj <> endobj 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. Write an algebraic expression for: twice a number k plus the quantity s minus 2. (C). "Twice A Number" eNotes Editorial, 24 July 2014, https://www.enotes.com/homework-help/twice-number-x-470096. five more than twice a number. If you're seeing this message, it means we're having trouble loading external resources on our website. So Ive got a math question but cant understand the second part. <<277E800E0BCB7D49B5073CE66CA6BD91>]>> It also saves on ink and time! 18 Four times a number minus twenty-nine is eleven. Does that mean if the coin is tossed twice, we will get one heads. Direct link to Nicholas's post That is a common way to r, Posted 7 years ago. Find an answer to your question Twice a number k plus the quantity s minus 2. Similarly, when we describe an expression in words that includes a . 0000017608 00000 n eNotes.com will help you with any book or any question. around the world. One of the many reasons is that math is more precise and easier to work with than words are. 0000003408 00000 n Here is a table that summarizes common words for each operation: For example, the word product tells us to use multiplication. The key to learning is to study a LOT of examples. What is the formula with givens: Time, Distance, Speed or Velocity? if the number is denoted #n#, then ##'a number and 3'# 1 See answer Advertisement . Also, Algebra is a useful, logical way to help explain things. The given algebraic operations are such as. How do you write the variable expression for: a quotient of 2 and the sum of a number and 3 ? For Free. why does the square over the square mean divided? f=? The price of h pieces of candy is $2.00. Directions: Select the algebraic equation that correctly represents the given sentence. So twice a number means 2x. 0000017067 00000 n So we had an expression about division, and it's usually not as sweet and straightforward with obvious words like these. 0000008973 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 0000006637 00000 n The difference (use minus symbol) of triple a number and 5 5 should be written as 3y - 5 3y 5. 0000084951 00000 n How do you write 5 less than 2 times a number as a variable expression? An example of a variable that "x" might represent is the number of oranges a boy called Sam eats in a week. 0000018396 00000 n Answer: 2k+s-2 Step-by-step explanation: twice means 2 and k is just a number but as a letter. 0000018531 00000 n It is critical that you understand these words or phrases in order to successfully write or interpret any given algebraic expression. 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 Each piece of candy costs 25 cents. Already a member? Semi-retired with loads of real-life math experience. The probability that a coin turns up heads when it is tossed is 1/2. Example 2: The difference of triple a number and 5 5 Answer: Let variable y y be the unknown number. c>3003|b7!C3CTGCJ]^LgX. 0000098126 00000 n Solution:Let x represent the amount of money Jeanne needs. 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. Inside the parentheses, expect a sum when the statement just says "and". 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 - 7 347 0 obj<>stream Thus "twice a number x" can be written symbolically as 2x. With numbers 1 to 9, we have to make the answer 100. -> #'a number +3'# Examples:+ (addition), - (subtraction) , \times (multiplication) , (division). Six times n plus three. Add 1 plus 2 plus . all the way to 100. "two more than five". I like to think of fractions as segments of a pie or cake. Direct link to HannahTran2005's post Well for one, I think tha, Posted 6 years ago. 0000043840 00000 n The sum (use plus symbol) of twice a number and 3 3 can be written as 2x+3 2x + 3. Direct link to Kim Seidel's post Yes, "of" is a multiplica, Posted 2 years ago. Exercise 11.5. seven divided by twice a number. Therefore, the difference of the product and quotient is 7w - {\Large{{2 \over v}}}. Sometimes in math, we describe an expression with a phrase. 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. 0000000016 00000 n Direct link to ~panda boy jickle~'s post why does the square over , Posted 5 years ago. How do you write a product of a number and 2 as an expression? None less than a number translates to x - 9. Akgdvnchbffb Akgdvnchbffb 15.08.2017 Math Primary School 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) . 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). Most questions answered within 4 hours. How do you write the variable expression for: a quotient of 2 and the sum of a number and 3 ? If we divide 1 by 2 (1/2) we get 0.5 or a half! the quotient of k and 7 \Large{{k \over 7}}, Example 1: The sum of twice a number and 3. For instance: computer programming/computer science. Twice a quantity usually indicates to take two of the things in question; usually this indicates to multiply by 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. A link to the app was sent to your phone. Direct link to LayLay12's post when it said six minus b , Posted 6 years ago. (A)1/2 of 32. 0000018705 00000 n Almost always, the word "is" in an algebraic sentence denotes the symbol of equality. 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. answered 10/01/15, Knowledgeable Math, ESL, Behavioral, Core, SAT, SSAT, and K-6 Tutor. Of is the tricky word. 0000017473 00000 n Get a free answer to a quick problem. Expression. So, the 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. Our summaries and analyses are written by experts, and your questions are answered by real teachers. This is a question you should keep thinking about as we dig deeper into algebra. If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked. Example 2:Write each sentence as an algebraic equation. Now am 100. 2n + 5. the product of a number and 6. Mark M. Eleni is x years old. So I would write 2(n + 3). It makes comparing prices at a glance easier. Add 1 plus 2 plus 3 plus 4. . You cannot change their sequence. Why cant we have an actual division sign? 1/2 of 64 (D) 1/2 of 54. To log in and use all the features of Khan Academy, please enable JavaScript in your browser. Well, if b doesn't have value, b can go before or after six. (Sides meet at right angles. Sometimes in math, we describe an expression with a phrase. Eight minus two, the answer is six. trailer What does the phrase "Twice a number x" mean? That's a great question! When you see "quantity" used in math, it can mean the amount or it could mean ( ), which it does here. Twice a number k plus the quantity s minus Get the answers you need, now! 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. How do you write a product of a number and 2 as an expression? So now the expression looks like: x-9. There are lots of different ways algebraic expressions are used in everyday life. Find the number. Among mathematicians the term "quantity" indicates that what follows is to be treated as a single expression. In this lesson, we learned how to write a sentence as an algebraic equation. Direct link to 403824's post why is fraction considere, Posted 2 years ago. Six plus one, the answer is seven. In thirteen years she will be twenty-four years old. 0000013606 00000 n 0000019325 00000 n answered 10/02/15, Mathematics Teacher - NCLB Highly Qualified, Laura I. Answer:2k+s-2im assuming. 0000011270 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. Here is an example: Greater Than Or Equal To Type >= for "greater than or equal to". Direct link to BoQuizard:'s post Is't 'of' a multiplicatio, Posted 4 years ago. Twelve is sixteen less than four times a number. So "the quantity of nine less than a number x" is: (x-9). Math, like any other language, has a way of communicating ideas. 0000019112 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. Divide 5400 among Arya, Ashwin and Amir in the ratio 1:2:6. So triple a number means 3y. By signing up, you agree to receive useful information and to our privacy policy. That is a common way to represent division in algebra, the division sign is not really used there. So "the quantity of nine less than a number x" is: (x-9). answered 10/04/15. 19 Three fifths of a number plus eight is fifty. Then, you want "twice" that number, so multiply by 2. a Question . "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. 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. For example, the phrase. #2x-6#, which translates to "6 less than 2x" or "6 less than twice a number", 59237 views Yes, "of" is a multiplication word when used with percents and fractions. . The sum (use plus symbol) of twice a number and 3 can be written as 2x+3. So now the expression looks like: x-9. This is mostly used when you are multiplying a fraction times a number. 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. 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.
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