0000000016 00000 n
19 Three fifths of a number plus eight is fifty. Exercise 11.5. Why do we replace numbers with letters/symbols? For Free. 0000016448 00000 n
(A)1/2 of 32. 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. So triple a number means 3y. Write an algebraic expression for: twice a number k plus the quantity s minus 2. But before we delve into solving word problems that involve algebraic sentences . Direct link to andrea's post So we had an expression a, Posted 3 years ago. Answer Example 8 The length of a rectangle is L. Exercise A second number is 4 less than 3 times a first number. How do you write a product of a number and 2 as an expression? How doI determine if this equation is a linear function or a nonlinear function? Let's look at an example in which the expression consists of more than one number and/or operation. . Making educational experiences better for everyone. You can see that "x" is a shorthand way of saying "number of oranges eaten per week". 0000018939 00000 n
Exercise 11.5. This is a question you should keep thinking about as we dig deeper into algebra. Latest answer posted October 03, 2011 at 2:12:01 PM. 0000012477 00000 n
To log in and use all the features of Khan Academy, please enable JavaScript in your browser. 1. Akgdvnchbffb Akgdvnchbffb 15.08.2017 Math Primary School answered Twice a number k plus the quantity s minus 2 1 See answer Advertisement Math Algebra Pre Algebra Question Write an algebraic expression for: 8 more than s stripes. how do i answer that? Direct link to HannahTran2005's post Well for one, I think tha, Posted 6 years ago. 0000017781 00000 n
Latest answer posted October 07, 2013 at 8:13:27 PM. 0000017067 00000 n
Six times n plus three. Thus "twice a number x" can be written symbolically as 2x. Explanation: Let us find the quantitative values of the numbers first. 0000013606 00000 n
So now the expression looks like: x-9. answered 10/02/15, Mathematics Teacher - NCLB Highly Qualified, Laura I. Just the other day my mom used math to help teach a group of girls how to make a beaded ring. Can their be more than 1 variable like 3xp. answered 10/01/15, Knowledgeable Math, ESL, Behavioral, Core, SAT, SSAT, and K-6 Tutor. One of the many reasons is that math is more precise and easier to work with than words are. 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. x + 6. 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 . Add 1 plus 2 plus . "Six less than.." means "Subtract 6 from". Answer: Let variable x be the unknown number. Direct link to LayLay12's post when it said six minus b , Posted 6 years ago. Direct link to bruh's post Well, if b doesn't have v, Learn to write expressions for phrases like "3 more than x.". Find an answer to your question Twice a number k plus the quantity s minus 2. Find the value of x. n11's. ! So, the phrase. 0000017241 00000 n
Have you noticed that the division sign is a fraction line with two dots representing the numerator and denominator? 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. Semi-retired with loads of real-life math experience. 6 less than the quotient of z divided by 3 Write an algebraic expression for: 12 fewer than h hats. 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. Let us find the quantitative values of the numbers first. Example 3:Write each sentence as an algebraic equation. Now am 100. No packages or subscriptions, pay only for the time you need. How do you simplify the expression #3x-x+4#? Therefore, we have: 2x 6, which translates to "6 less than 2x" or "6 less than twice a number". There should be a timer to see if you know it and you can do it fast enough. 0000003908 00000 n
To solve your inequality using the Inequality Calculator, type in your inequality like x+7>9. 0000085393 00000 n
It is critical that you understand these words or phrases in order to successfully write or interpret any given algebraic expression. But why? 18 Four times a number minus twenty-nine is eleven. Example 1:Write each sentence as an algebraic equation. Do not confuse this with "Six less." which means "Subtract from 6". why does the square over the square mean divided? There are lots of different ways algebraic expressions are used in everyday life. Let's look at some examples of writing algebraic equations. Direct link to ~panda boy jickle~'s post why does the square over , Posted 5 years ago. Mark M. Direct link to BoQuizard:'s post Is't 'of' a multiplicatio, Posted 4 years ago. Hope that helps! -5 plus the quantity of 4 times x Now take the product of -8 and that expression and then add 6. Direct link to allyson's post of course., Posted 4 years ago. How do you translate into symbols: The difference of six squared and b? Let us know your assignment type and we'll make sure to get you exactly the kind of answer you need. Express the second number in terms of the first number y. It is like when you write $ to mean United States Dollars. Thirty-two is twice a number increased by eight. Most questions answered within 4 hours. How do you write 5 less than 2 times a number as a variable expression? For example, the phrase. "two more than five". You cannot change their sequence. Latest answer posted February 25, 2016 at 6:48:45 PM. How do you write the variable expression for: a quotient of 2 and the sum of a number and 3 ? Solution Verified Create an account to view solutions It's saying that two plus three is the same thing as five. A link to the app was sent to your phone. The inequality solver will then show you the steps to help you learn how to solve it on your own. In this lesson, we learned how to write a sentence as an algebraic equation. Twice a number k plus the quantity s minus Get the answers you need, now! How much money does she need to buy a game that costs $68? Answer 0000019112 00000 n
Twice a quantity usually indicates to take two of the things in question; usually this indicates to multiply by 2. f=? can be written as the expression. So "the quantity of nine less than a number x" is: (x-9). Express each of the following in the lowest form1) 12:72. Solution:Let x represent the amount of money Jeanne needs. 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 In thirteen years she will be twenty-four years old. Answer: 2k+s-2 Step-by-step explanation: twice means 2 and k is just a number but as a letter. Suzanne made a withdrawal of d dollars from her savings account. We know that "Double a number" means #2x#, where #x# is your mystery number. Feedback to your answer is provided in the RESULTS BOX. . And you didn't have to write it this way. kingkingdoms332 kingkingdoms332 02/06/2018 Mathematics Middle School answered expert verified Twice a number k plus the quantity s minus 1 See answer 0000019463 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.) 0000098126 00000 n
In the problem above, x is a variable. So I would write 2(n + 3). 0000018705 00000 n
The symbols 17 + x = 68 form an algebraic equation. So now the expression looks like: x-9. 0000071710 00000 n
We know that "Double a number" means 2x, where x is your mystery number. Direct link to Da'shyne Green's post There should be a timer t, Posted 10 months ago. Lets say you & I split (divide) a cake, we take the 1 whole cake & slice it down the middle. Accessed 4 Mar. Direct link to Nicholas's post That is a common way to r, Posted 7 years ago. junyanyacooney10 junyanyacooney10 11/08/2020 Mathematics College answered Twice a number k plus the quantity s minus 2 1 See answer Advertisement Twice a number minus seven equals four. 0000002067 00000 n
Log in here. 0000044093 00000 n
It also saves on ink and time! Twice a number 2x Ten percent of x 0.10x . 0000016836 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. Then the following equation can represent this problem: We can subtract 17 from both sides of the equation to find the value of x. How do you evaluate the expression #2x+1# for #x=1#? The difference (use minus symbol) of triple a number and 5 5 should be written as 3y - 5 3y 5. Triple a number increased by twelve. 0000016276 00000 n
Select your answer by clicking on its button. What does the phrase "Twice a number x" mean? None less than a number translates to x - 9. 0000098455 00000 n
347 0 obj<>stream
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 "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. 0
0000071957 00000 n
For example 1/2 of a number means 1/2 times a number. This is mostly used when you are multiplying a fraction times a number. Our summaries and analyses are written by experts, and your questions are answered by real teachers. Less Than Or Equal To Type <= for "less than or equal to". 0000005581 00000 n
0000006774 00000 n
68 - 17 = x Answer: x = 51, so Jeanne needs $51 to buy the game. Therefore, the sum of the quotient and product is {\Large{{m \over 2}}} + 4n. Then, you want "twice" that number, so multiply by 2. a Question 0000018396 00000 n
Educators go through a rigorous application process, and every answer they submit is reviewed by our in-house editorial team. 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. 1/2 of 64 (D) 1/2 of 54. Eleni is x years old. Directions: Select the algebraic equation that correctly represents the given sentence. 17 When fourteen is added to two times a number the result is six. Do not confuse this with "Six less" which means "Subtract from 6". You would set up an algebraic equation that demonstrates a number minus 9. 0000001602 00000 n
By signing up, you agree to receive useful information and to our privacy policy. -> #'a number +3'# Add 1 plus 2 plus 3 plus 4. . 12 20 24 28 please help I have new clue what it is asking. 6 (n + 3) One less than five times a number. All Rights Reserved. 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? And we can see that, indeed, twice the number 3 is 6 as required. Therefore, the difference of the product and quotient is 7w - {\Large{{2 \over v}}}. 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. Among mathematicians the term "quantity" indicates that what follows is to be treated as a single expression. 0000008973 00000 n
"Twice the quantity" means 2 times what in in the parentheses. 0000006637 00000 n
Think of "of" meaning to multiply when you are working with fractions. 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. answered 10/01/15, Kimberly M. plus the quantity s is just s as a number, then minus 2 is, This site is using cookies under cookie policy . Sometimes in math, we describe an expression with a phrase. Problem:Jeanne has $17 in her piggy bank. Direct link to jacob_tolle's post How could algebraic expre, Posted 7 years ago. 3x + 12. 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. I like to think of fractions as segments of a pie or cake. You can even use algebraic expressions to provide situations, like when giving the rules to a game. 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. So we had an expression about division, and it's usually not as sweet and straightforward with obvious words like these. Choose an expert and meet online. if the number is denoted #n#, then ##'a number and 3'# %%EOF
Let "x" represent itself as an unknown number. When you see "quantity" used in math, it can mean the amount or it could mean ( ), which it does here. Her old balance was $350, and her new balance is $280. 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 . Step-by-step explanation: thxm can you explain it? Direct link to Olivia S.'s post Can their be more than 1 , Posted 3 months ago. 0000017473 00000 n
twice means 2 and k is just a number but as a letter. If you make a mistake, choose a different button. xref
Find the number. Tysm smart gal/boii Advertisement Advertisement around the world. Also, Algebra is a useful, logical way to help explain things. Subtracted, minus, difference, less than, decreased by. So Ive got a math question but cant understand the second part. "Twice the quantity" means 2 times what in in the parentheses. 0000002721 00000 n
Now we're really close! How do you evaluate variable expressions? Twice a number, decreased by twenty-nine, is seven. Find an expression for thrice of s, added with twice of t and subtraction of 9. Answer:Let variable y be the unknown number. If you're seeing this message, it means we're having trouble loading external resources on our website. 8 minus some number : 8 - t : the difference between a number and 12 : w - 12 . Write an algebraic expression for: twice a number k plus the quantity s minus 2. Algebraic expressions are useful because they represent the value of an expression for all of the values a variable can take on. Explanation: Twelve is sixteen less than four times a number. Direct link to pro's post they should to see if you, Posted 4 years ago. The probability that a coin turns up heads when it is tossed is 1/2. 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 trailer
0000001341 00000 n
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. 16 Ten times a quantity increased by two is nine. 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. So "the quantity of nine less than a number x" is: (x-9). The given algebraic operations are such as. So twice a number means 2x. Almost always, the word "is" in an algebraic sentence denotes the symbol of equality. The sum on an odd integer and twice its consecutive is equal to equal to 3757. Notice that the phrase "decreased by" tells us to use subtraction. The difference (use minus symbol) of triple a number and 5 should be written as 3y - 5. You take your half (1/2), now I have one half (1/2). the quotient of k and 7 \Large{{k \over 7}}, Example 1: The sum of twice a number and 3. With numbers 1 to 9, we have to make the answer 100. How do you evaluate the expression #2x+1# for #x=1#? Well for one, I think that particular assignment only deals with variables. Why cant we have an actual division sign? Lets go over some common words or phrases that describe the four arithmetic operations. Does that mean if the coin is tossed twice, we will get one heads. <<277E800E0BCB7D49B5073CE66CA6BD91>]>>
The sum (use plus symbol) of twice a number and 3 can be written as 2x+3. If of a number is 4 more than of the same number, what is the number? With our Essay Lab, you can create a customized outline within seconds to get started on your essay right away. 0000001782 00000 n
#2x-6#, which translates to "6 less than 2x" or "6 less than twice a number", 59237 views How would you write this as an algebraic expression? The quantity of 3 plus 5 multiplied by a number (3 + 5)n. Steven G. 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. 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: 8 minus the quantity of 7 plus q? 0000098411 00000 n
"nine less" indicates subtraction ("less") and nine is how much less. 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). This site is using cookies under cookie policy . 5+2 5+2. . Of is the tricky word. 2(n + 3) is probably what you are looking for. all the way to 100. 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 Direct link to SherlockHolmes.42's post Saying that n is the numb, Posted 4 years ago. A farmer has a rectangular field with a length of 30 yards and width of x yards. Confusing, I know. c>3003|b7!C3CTGCJ]^LgX. 0000003944 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. Six more than a number. In the problem above, x is avariable. 3n - 8. How could algebraic expression be used in everyday life? 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. Explanation: "Six less than.." means "Subtract 6 from". 0000019325 00000 n
What do the letters R, Q, N, and Z mean in math? %PDF-1.4
%
0000011270 00000 n
0000097941 00000 n
Similarly, when we describe an expression in words that includes a . Now we're really close! If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked. See all questions in Variable Expressions. The sum (use plus symbol) of twice a number and 3 3 can be written as 2x+3 2x + 3. Example 2: The difference of triple a number and 5. Latest answer posted October 09, 2017 at 12:54:39 AM. Example 3: Write each phrase as an algebraic expression using the variable n. Phrase. 297 0 obj <>
endobj
49 increased by by twice a number. It makes comparing prices at a glance easier. Direct link to Davis's post You can say 'divided by' , Posted a year ago. When you see "quantity" used in math, it can mean the amount or it could mean ( ), which it does here. A large pizza pie with 15 slices is shared among p students so that each student's share is 3 slices. (B) 1/2 of 28. 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. Divide 5400 among Arya, Ashwin and Amir in the ratio 1:2:6. How do you evaluate variable expressions? Six plus one, the answer is seven. 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. Twice the quantity usually means, "get ready for parentheses". answered 10/04/15. Direct link to Scyth Of Jewel's post why dose p+p-p+p+p work i, Posted 4 years ago. This site is using cookies under cookie policy . That's a great question! 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 an example: Greater Than Or Equal To Type >= for "greater than or equal to". 2023 eNotes.com, Inc. All Rights Reserved, https://en.wikipedia.org/wiki/Mathematical_notation. , Posted 5 years ago. For example: why is fraction considered as a division? Direct link to Archer8888's post I like to think of fracti, Posted 6 years ago. 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=? Copyright 2020 Math Goodies. 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. 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.