There should be a timer to see if you know it and you can do it fast enough. 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) The price of h pieces of candy is $2.00. 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. Let's look at some examples of writing algebraic equations. Example 3:Write each sentence as an algebraic equation. It is critical that you understand these words or phrases in order to successfully write or interpret any given algebraic expression. In the problem above, x is avariable. For example 1/2 of a number means 1/2 times a number. Direct link to LayLay12's post when it said six minus b , Posted 6 years ago. Less Than Or Equal To Type <= for "less than or equal to". Latest answer posted February 25, 2016 at 6:48:45 PM. Solution:Let x represent the amount of money Jeanne needs. Subtracted, minus, difference, less than, decreased by. To log in and use all the features of Khan Academy, please enable JavaScript in your browser. My questions is, what are other ways to say 'divided by' and can you give me examples? Can their be more than 1 variable like 3xp. How do you write the variable expression for: a quotient of 2 and the sum of a number and 3 ? plus the quantity s is just s as a number, then minus 2 is, This site is using cookies under cookie policy . Direct link to allyson's post of course., Posted 4 years ago. 0000017473 00000 n 0 Direct link to E's post That's a great question! Of is the tricky word. Direct link to Michelle Hoeks's post So Ive got a math questi, Posted 4 years ago. 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. Copyright 2020 Math Goodies. Direct link to bruh's post Well, if b doesn't have v, Learn to write expressions for phrases like "3 more than x.". So triple a number means 3y. Eight minus two, the answer is six. That's not quite right. Well for one, I think that particular assignment only deals with variables. Semi-retired with loads of real-life math experience. 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. Find an answer to your question Twice a number k plus the quantity s minus 2. How do you write a quotient of a number and 6 as an expression? 0000002067 00000 n Tysm smart gal/boii Advertisement Advertisement 2n + 5. the product of a number and 6. How do you evaluate the expression #2x+1# for #x=1#? To solve your inequality using the Inequality Calculator, type in your inequality like x+7>9. Examples:+ (addition), - (subtraction) , \times (multiplication) , (division). You have numbers 1,2,3,4,5,6,7,8,9. 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.) How would you write this as an algebraic expression? Expression. Answer Why cant we have an actual division sign? That's a great question! Find the number. 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. 0000043840 00000 n Why use math if we can describe things in words? (A)1/2 of 32. This is mostly used when you are multiplying a fraction times a number. 0000001602 00000 n answered 10/01/15, Kimberly M. Math Algebra Pre Algebra Question Write an algebraic expression for: 8 more than s stripes. (B) 1/2 of 28. 347 0 obj<>stream 0000006774 00000 n 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. Add 1 plus 2 plus . You could have . 0000097941 00000 n Write an algebraic expression for: twice a number k plus the quantity s minus 2. if the number is denoted #n#, then ##'a number and 3'# Now we're really close! I like to think of fractions as segments of a pie or cake. . Answer Example 8 The length of a rectangle is L. Direct link to ~panda boy jickle~'s post why does the square over , Posted 5 years ago. In thirteen years she will be twenty-four years old. The difference (use minus symbol) of triple a number and 5 should be written as 3y - 5. So "the quantity of nine less than a number x" is: (x-9). The sum on an odd integer and twice its consecutive is equal to equal to 3757. How old is my sister? Notice that the phrase "decreased by" tells us to use subtraction. Lets go over some common words or phrases that describe the four arithmetic operations. See all questions in Variable Expressions. 0000003908 00000 n 0000071957 00000 n %PDF-1.4 % 6 less than the quotient of z divided by 3 Write an algebraic expression for: 12 fewer than h hats. Therefore, the difference of the product and quotient is 7w - {\Large{{2 \over v}}}. 0000084951 00000 n c>3003|b7!C3CTGCJ]^LgX. xref How long will your trip take (in hours) if you travel 350 km at an average speed of 80 km\hr? So now the expression looks like: x-9. Direct link to Da'shyne Green's post There should be a timer t, Posted 10 months ago. Direct link to HannahTran2005's post Well for one, I think tha, Posted 6 years ago. You would set up an algebraic equation that demonstrates a number minus 9. For Free. If you're seeing this message, it means we're having trouble loading external resources on our website. 0000085203 00000 n , Posted 5 years ago. 16 Ten times a quantity increased by two is nine. Let's look at an example in which the expression consists of more than one number and/or operation. Exercise A second number is 4 less than 3 times a first number. In this lesson, we learned how to write a sentence as an algebraic equation. 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. 49 increased by by twice a number. How do you simplify the expression #3x-x+4#? Feedback to your answer is provided in the RESULTS BOX. Directions: Select the algebraic equation that correctly represents the given sentence. 0000098126 00000 n 0000002224 00000 n 0000000016 00000 n 0000018396 00000 n The quotient of fifty and five more than a number is ten. In the problem above, x is a variable. 12 20 24 28 please help I have new clue what it is asking. Steven G. Take a look at the CS tutorials on Khan Academy and you'll see what I mean. If of a number is 4 more than of the same number, what is the number? . Twice a quantity usually indicates to take two of the things in question; usually this indicates to multiply by 2. Her old balance was $350, and her new balance is $280. 2023. Who are the experts?Our certified Educators are real professors, teachers, and scholars who use their academic expertise to tackle your toughest questions. ), Find one half and one quarter quarter of the following Twice the quantity usually means, "get ready for parentheses". How do you write 5 less than 2 times a number as a variable expression. Also, Algebra is a useful, logical way to help explain things. 0000019112 00000 n Twice a number 2x Ten percent of x 0.10x . 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. The product of the 1st and the 8th terms is 120. By signing up, you agree to receive useful information and to our privacy policy. Step-by-step explanation: thxm can you explain it? 1/2 of 64 (D) 1/2 of 54. But before we delve into solving word problems that involve algebraic sentences . Example 2:Write each sentence as an algebraic equation. Now we're really close! Explanation: Let us find the quantitative values of the numbers first. How doI determine if this equation is a linear function or a nonlinear function? Answer Exercise 11.5. It is like when you write $ to mean United States Dollars. For example: why is fraction considered as a division? Answer: 2k+s-2 Step-by-step explanation: twice means 2 and k is just a number but as a letter. eNotes.com will help you with any book or any question. Educators go through a rigorous application process, and every answer they submit is reviewed by our in-house editorial team. So now the expression looks like: x-9. Accessed 4 Mar. 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 Find the value of x. n11's. The sum (use plus symbol) of twice a number and 3 can be written as 2x+3. Twelve is sixteen less than four times a number. junyanyacooney10 junyanyacooney10 11/08/2020 Mathematics College answered Twice a number k plus the quantity s minus 2 1 See answer Advertisement 0000008841 00000 n If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked. Answer: Let variable x be the unknown number. What do the letters R, Q, N, and Z mean in math? Thus "twice a number x" can be written symbolically as 2x. 0000001782 00000 n 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. A farmer has a rectangular field with a length of 30 yards and width of x yards. 0000001341 00000 n All Rights Reserved. Exercise 11.5. Algebraic expressions are useful because they represent the value of an expression for all of the values a variable can take on. For example, the phrase. And you didn't have to write it this way. 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 Here is an example: Greater Than Or Equal To Type >= for "greater than or equal to". With our Essay Lab, you can create a customized outline within seconds to get started on your essay right away. 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. 0000003944 00000 n Latest answer posted September 07, 2010 at 12:47:25 PM. A link to the app was sent to your phone. The difference of twice a number and five. Answer:x = 51, so Jeanne needs $51 to buy the game. "Twice the quantity" means 2 times what in in the parentheses. You take your half (1/2), now I have one half (1/2). 6 (n + 3) One less than five times a number. "nine less" indicates subtraction ("less") and nine is how much less. 0000098455 00000 n The cube of k k3 t raised to the fourth power t4 Equals Is equal to, the same as, is, are, the result of, will be, are, yields = x is equal to y x = y p is the same as q p = q Multiplication by 2 Two, two times, twice, twice as much as, double 2 Twice z 2z y doubled 2y Multiplication by Half of, one-half of, half as much as, one-half times 1 2 When you see "quantity" used in math, it can mean the amount or it could mean ( ), which it does here. Let us find the quantitative values of the numbers first. Choose an expert and meet online. It makes comparing prices at a glance easier. 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=? answered 10/02/15, Mathematics Teacher - NCLB Highly Qualified, Laura I. A large pizza pie with 15 slices is shared among p students so that each student's share is 3 slices. Yes, "of" is a multiplication word when used with percents and fractions. So we had an expression about division, and it's usually not as sweet and straightforward with obvious words like these. The quantity of 3 plus 5 multiplied by a number (3 + 5)n. Latest answer posted October 03, 2011 at 2:12:01 PM. 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 . We know that "Double a number" means #2x#, where #x# is your mystery number. (Sides meet at right angles. 1 See answer Advertisement . Direct link to Davis's post You can say 'divided by' , Posted a year ago. Add 1 plus 2 plus 3 plus 4. . One of the many reasons is that math is more precise and easier to work with than words are. The inequality solver will then show you the steps to help you learn how to solve it on your own. 0000008973 00000 n Get a free answer to a quick problem. 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. Here is a table that summarizes common words for each operation: For example, the word product tells us to use multiplication. 0000010040 00000 n Twice the quantity translates to: 2( ). 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? xb``g``c``` It evolved from the fraction idea to make it a simpler concept in arithmetic. 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. 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). . answered 10/04/15. 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. Algebraic expressions are useful because they represent the value of an expression for all of the values a variable can take on. So triple a number means 3y 3y. It's saying that two plus three is the same thing as five. 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 . Direct link to Archer8888's post I like to think of fracti, Posted 6 years ago. . You cannot change their sequence. It is a variable because it varies each week, but the relationship between what the two friends eat always stays the same. Have you noticed that the division sign is a fraction line with two dots representing the numerator and denominator? twice means 2 and k is just a number but as a letter. Direct link to Olivia S.'s post Can their be more than 1 , Posted 3 months ago. For instance: computer programming/computer science. 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. 68 - 17 = x Answer: x = 51, so Jeanne needs $51 to buy the game. How do you simplify the expression #3x-x+4#? This is the idea of the type of math that is named algebra. 0000085678 00000 n 0000007851 00000 n all the way to 100. Why do we replace numbers with letters/symbols? %%EOF So Ive got a math question but cant understand the second part. Sometimes in math, we describe an expression with a phrase. Think of "of" meaning to multiply when you are working with fractions. Therefore, the sum of the quotient and product is {\Large{{m \over 2}}} + 4n. The symbols17 + x = 68form analgebraic equation. 297 51 0000018939 00000 n Thirty-two is twice a number increased by eight. How? 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. how do i answer that? 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). 0000044093 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. <<277E800E0BCB7D49B5073CE66CA6BD91>]>> Solution Verified Create an account to view solutions Our summaries and analyses are written by experts, and your questions are answered by real teachers. Twice a number minus seven equals four. Three times a number minus 8. Just the other day my mom used math to help teach a group of girls how to make a beaded ring. Almost always, the word "is" in an algebraic sentence denotes the symbol of equality. Answer:Let variable y be the unknown number. How could algebraic expression be used in everyday life? How do you evaluate variable expressions? 18 Four times a number minus twenty-nine is eleven. Example 1:Write each sentence as an algebraic equation. The probability that a coin turns up heads when it is tossed is 1/2. "Twice the quantity" means 2 times what in in the parentheses. 0000018169 00000 n 0000003408 00000 n Inside the parentheses, expect a sum when the statement just says "and". Find an expression for thrice of s, added with twice of t and subtraction of 9. trailer Six more than a number. Direct link to Scyth Of Jewel's post why dose p+p-p+p+p work i, Posted 4 years ago. Let "x" represent itself as an unknown number. The symbols 17 + x = 68 form an algebraic equation. Lets say you & I split (divide) a cake, we take the 1 whole cake & slice it down the middle. 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). How do you write 5 less than 2 times a number as a variable expression? -5 plus the quantity of 4 times x Now take the product of -8 and that expression and then add 6. Example 3: Write each phrase as an algebraic expression using the variable n. Phrase. So, the phrase. Math, like any other language, has a way of communicating ideas. It also saves on ink and time! 0000071710 00000 n 0000002721 00000 n You can even use algebraic expressions to provide situations, like when giving the rules to a game. -> #'n+3'#. -> #'a number +3'# Direct link to BoQuizard:'s post Is't 'of' a multiplicatio, Posted 4 years ago. Direct link to Kim Seidel's post Yes, "of" is a multiplica, Posted 2 years ago. Explanation: "Six less than.." means "Subtract 6 from". Well, if b doesn't have value, b can go before or after six. How do you write a product of a number and 2 as an expression? around the world. 0000018705 00000 n This site is using cookies under cookie policy . Latest answer posted October 07, 2013 at 8:13:27 PM. How do you write a quotient of a number and 6 as an expression? Then the following equation can represent this problem: We can subtract 17 from both sides of the equation to find the value of x. Suzanne made a withdrawal of d dollars from her savings account. 0000016663 00000 n When you see "quantity" used in math, it can mean the amount or it could mean ( ), which it does here. 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. So twice a number means 2x 2x. 0000019325 00000 n An example of a variable that "x" might represent is the number of oranges a boy called Sam eats in a week. Posted 5 years ago. 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. 0000017067 00000 n That is a common way to represent division in algebra, the division sign is not really used there. 17 When fourteen is added to two times a number the result is six. Sometimes in math, we describe an expression with a phrase. Triple a number increased by twelve. 0000019463 00000 n 0000005581 00000 n What is the formula with givens: Time, Distance, Speed or Velocity? can be written as the algebraic expression. 6n. 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. x + 6. Eleni is x years old. "Six less than.." means "Subtract 6 from". Let us know your assignment type and we'll make sure to get you exactly the kind of answer you need. Twice a number k plus the quantity s minus Get the answers you need, now! Do not confuse this with "Six less" which means "Subtract from 6". Similarly, when we describe an expression in words that includes a . How do you evaluate the expression #2x+1# for #x=1#? Mark M. 0000085393 00000 n 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. 0000097695 00000 n 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. Each piece of candy costs 25 cents. Confusing, I know. Direct link to andrea's post So we had an expression a, Posted 3 years ago. -> #2(n+3)#. Log in here. 0000018531 00000 n 0000013606 00000 n For example, the phrase. answered 10/01/15, Knowledgeable Math, ESL, Behavioral, Core, SAT, SSAT, and K-6 Tutor. Answer Exercise 11.5. 297 0 obj <> endobj 2(n + 3) is probably what you are looking for. There are lots of different ways algebraic expressions are used in everyday life. This site is using cookies under cookie policy . ! 0000017996 00000 n 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. 0000098411 00000 n Thus "twice a number x" can be written symbolically as 2x. So twice a number means 2x. 0000017781 00000 n can be written as the expression. why does the square over the square mean divided? "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. Select your answer by clicking on its button. When I was 4 years old, my sister was half my age.
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