1. Algebra / Scientific Notation

    if you have 19.2 x 10 ^ 20 over 4.8 x 10 ^ 9 Would you first subtract 4.8 from 19.2 then subtract 10 ^ 9 from 10 ^20 Leaving an answer of 14.4 x 10^11???? you are using the word "over", which implies division. Why would you even consider subraction (19.2 x

    asked by Russell on August 15, 2007
  2. Math 8R - Help!!!!!!!!!!!!!!!!!!!

    14. Subtract -5 from -14 -14 - (-5) 16. Subtract -6 from 18 18 - (-6) 18. From 14 subtract -2 22. Subtract 17 from 8 I already know how to solve this just have trouble formatting it. How do I do it for number 18 and 22???? Please help

    asked by Laruen on September 13, 2012
  3. Math, Please Help!

    Ned divided a given number by 3 and then added 2. If he should have multiplied the number by 3 and then subtracted 2, which of the following two steps can he do next to get the correct answer? Subtract 4 and then multiply by 9. Subtract 12 and then

    asked by Toni on March 14, 2014
  4. math

    Match the equation with the step needed to solve it. 1. 2m - 1 = 3m subtract m 2. 2m = 1 + m subtract 2 3. m - 1 = 2 subtract 1 4. 2 + m = 3 subtract 2m 5. -2 + m = 1 add 2 6. 3 = 1 + m add 1

    asked by george on January 14, 2010
  5. math

    Match the equation with the step needed to solve it. 1. 2m - 1 = 3m subtract m 2. 2m = 1 + m subtract 2 3. m - 1 = 2 subtract 1 4. 2 + m = 3 subtract 2m 5. -2 + m = 1 add 2 6. 3 = 1 + m add 1

    asked by george on January 14, 2010
  6. math ( subtracting fractions)

    12 1/4- 4 1/8 When you add or subtract fractions, you have to have the same denominator. In this problem you have to change 1/4 to 2/8. Then subtract the fraction and then subtract the whole number. Please post your answer and we'll be glad to check it.

    asked by Sophia on January 31, 2007
  7. To Ms.Sue And All Teachers

    I am new in this website. Please help me with my math homework. How do you subtract fractions? How do you subtract 7 and 2/5 AND 4 and 5/10? (7 and 2/5 - 4 and 5/10) How do you subtract 6/10 and 6/20? Thank you! Please visit the following site for a super

    asked by Kaveri on December 30, 2006
  8. Elapse time

    3h 40min 10 h 15 min Renaming 11:00 as 10 hours 15 minutes -7h 35 min Subtract the beginning time ------------------ 3h 40 min Subtract So I actually subtract all of it and not add the minutes right? So my answer should be 3h 20min right? How can I check

    asked by Moby on December 3, 2012
  9. Math

    Can you check these questions for me? 1. Add: (3x^4-x+2)+(9x^5-x^2+x) 9x^5+3x^4-x^2+2 2. Add: (4x^3-2x^2+x+4)+(9-x^5-x^2+4x) -x^5+4x^3-3x^2+13 3. Subtract:(4x^4+3x+x^2)-(x^2-6+3x^3) 4x^4-3x^3+3x+6 4. Subtract: (5x-6)-(3x^3-2x^2) -3x^3+2x^2+5x-6 5.

    asked by Chandler on August 18, 2011
  10. Algebra

    Hello all! I had a quick homework question: I have to prove that the output of this always ends up as 1, regardless of the starting number: *Think of a number between 1 and 10. Add 1; double the result; add 3; subtract 4; add 5; halve the result; add 6;

    asked by y912f on June 21, 2014
  11. algebra

    Write the expression for each of the following: a]add 9 to y b]subtract p from 15 b]divide m by 3 d]multiply 4 by g e]subtract 12 from 8a f]find the sum of 5 and 9 2

    asked by fatimah on September 25, 2017
  12. math

    Can someone check and tell me if these are correct or not. subtract -88-53= Subtract 7/9 - (-13/18)=-11/18 multiply (3)(7)(-9)=-189 find the reciprocal of (-1/7)(14/3)(9)

    asked by nena on October 25, 2007
  13. math

    subtract with or without regrouping...which number can you subtract from 17 w/ or w/out needing to regropu?For which numbers would you need to regroup?

    asked by yc on April 11, 2011
  14. algebra equation solving

    ((y+2)/(y^2-49))subtract ((y)/(y^2+6y-7)) subtract and simplify ,,,,,i know i need to find LCD which is y+7,and multiply both sides to get it that way i think answer is -6y-2/y+7....is this right???

    asked by Rochelle on January 11, 2012
  15. Integers

    When you add integers, why do you subtract? -9+5=-4. I do not understand why there is an addition sign. How do you know when you are suppose to subtract.

    asked by beth on July 2, 2008
  16. Math (Check

    1.Subtract and Simplify 2/3 - 1/5 = 1/2 2.Multiplu 4/5 * 6/7 = 24/35 3.subtract write an mixed numeral for the answear 20, 1/9 14, 7/15

    asked by Bryan on July 13, 2008
  17. Math

    Jack says that once you have a common denominator you are ready to subtract two mixed numbers. What other step might be necessary before you can subtract? Give an example.

    asked by Jamie on December 9, 2014
  18. math

    subtract o.36 from 6 do I move the descimal point over how do I do this problem Use 6.00 as the top number. Line up the decimal points and subtract 0.36 from 6.00.

    asked by patti help on March 11, 2007
  19. math

    Which steps could be used to solve this story problem? Blake took flyers to the shopping center to advertise his car wash event. By the time he arrived 14 of the flyers had blown away. He ended up putting 50 flyers on blue cars, 26 flyers on white cars,

    asked by isaiah on March 10, 2019
  20. Algebra

    I am re posting this for fear that it was overlooked earlier. I have also decided to show my work in the hopes of preventing any issues that might arise. Solve the absolute value equation. I y+3 I +5=2y Would the solutions be 8=y and y=2/3? Subtract 5 from

    asked by Anonymous on October 13, 2009
  21. AP Chem

    When dealing with gasses, do you subtract the pressure of water vapor every time it is in the equation? I'm confused on when you subtract it. Such as this problem... NH4NO2(s) -> 2H2O(g) + N2(g) How many grams of ammonium nitrate must have reacted if 3.75

    asked by Anna on November 19, 2008
  22. Math

    if I was doing algebra and it was 3/5a - (-4)=5 would I first subtract 4 from each side since when you subtract a negative you actually add it?

    asked by Emily on January 10, 2008
  23. ALGEBRA

    Subtract -7.1 - (8.3)= -1.2 ? multiply (7.6)(1)(-6)=7.6 ? divide 90/18=5 ? find the reciprocal of 1/3(9-4)=3/5? subtract 7/9-(13/18=-1/18?

    asked by So Lost on January 8, 2011
  24. Algebra

    Select all the statements that can be used as steps to solve the equation 6[4(2x−1)]=80−8. Subtract 8 from 80. Combine 80 and 6. Multiply 2x and -1 by 4. Subtract 1 from both sides of the equation. Add 4 to both sides of the equation. Subtract 6 from

    asked by 15634 on November 13, 2013
  25. ALGEBRA

    Select all the statements that can be used as steps to solve the equation 6[4(2x−1)]=80−8. Subtract 8 from 80. Combine 80 and 6. Multiply 2x and -1 by 4. Subtract 1 from both sides of the equation. Add 4 to both sides of the equation. Subtract 6 from

    asked by 15634 on November 13, 2013
  26. math

    Start with the integer 4. Subtract 8. From your answer subtract -2, and the subtract 17 from the last answer. What is your final answer?

    asked by Clara on November 10, 2016
  27. Math

    Start with the integer 4. Subtract 8. From your answer subtract -2, and then subtract 17 from the last answer. What is your final answer?

    asked by Dan on November 8, 2016
  28. math

    Start with the integer 4. Subtract 8. From your answer subtract -2, and then subtract 17 from the last answer. What is your final answer?

    asked by Clara on November 10, 2016
  29. years

    How many years is 140 CE to 1543?? That depends on whether you mean 1543 CE or BCE. If it's 1543 BCE, then you add the two numbers. If it's 1543 CE, then you subtract the larger from the smaller. =) A slight correction here: If it is 1543 BCE, then you add

    asked by Charlotte on September 5, 2006
  30. Algebra

    Could someone check this equation for me please.I have added the steps I have done so far. 7x +9 = 5x-5 subtract 5x from both sides and simplify 2x+9=5 subtract 9 from both sides 2x=-4 divide by 2 x=-2 Thought I had done it right but each side does not add

    asked by Geoff on February 12, 2010
  31. Algebra check+help?

    For problems 1 and 2 write Y as a function of X 1) 12=9x+3y - I think you would subtract 9 from the 12.. but I'm not really sure because you can't add/subtract x's and y's from regular numbers. 2) -2x+3y=9 Same problem as above.. Can someone please explain

    asked by Allyson on October 26, 2010
  32. 7/8 Math URGENT!!!

    8 - 3x = 128 Subtract 8 from both sides. -3x = 120 x = 120/-3 x = -40 Can someone explain this to me?? I don't understand why you would subtract 8 and not add 8... also, why did the 3 suddenly become a negative? HELP ;D

    asked by Christabelle on September 30, 2012
  33. algebra 2

    solve the inequality: -3(r-11)+15> 9 _ this is as far as Ive gotten. -3r+33+15> 9 _ subtract 33, subtract 15 from each side. Now when you divide by -3, you have to reverse the inequality sign. Your answer will be r

    asked by erin on July 16, 2007
  34. math

    25/11 + 2y = 3 Subtract 25/11 from both sides How do subtract this fraction from 3?

    asked by rj on April 6, 2013
  35. algebra equation solving

    (y+2 ) (y) --------- subtract ----------- (y^2-49) (y^2-6y+7) The directions are subtract and simplify....

    asked by Rochelle on January 11, 2012
  36. algebras equations

    ((y+2)/(y^2-49))subtract ((y)/(y^2+6y-7)) The directions are simplify and subtract

    asked by Rochelle on January 11, 2012
  37. algebra

    how do I solve 3/8x+5=25 First subtract 5 from both sides. first you have to subtract 5 from 25 so you will have 3/8x=20 then you have to multiply by the reciprocal so you multiply 20 x 8 and you get 160 divided by 3 and you get 53.3 repeating =x

    asked by Anonymous on October 19, 2006
  38. Math

    I am thinking of a three-digit number. If you subtract 5 from it, the result is divisible by 5. If you subtract 6 from it, the result is divisible by 6 and if you subtract 7 from it, the result is divisible by 7. What is the smallest number that will

    asked by Anthony on September 26, 2010
  39. Algebra

    How do I express this in algebraic form? And could you please explain how you came up with the expression? "Come up with a number. Add 3 to it. Muliply by 1 more than the original number. Subtract 3. Divide by the original number. Subtract 4. You should

    asked by anonymous on August 24, 2010
  40. Mathematicz (The Correct Question)

    A pipe has an outer radius of 4 1/2 cm. If the metal is 1/4 cm thick, what is the inner diameter of the pipe? Please help me!!! You not you just subtract from the or the wall thickenss, then double it to get the id? Draw two concentric circles and see if

    asked by Ayra on September 12, 2006
  41. math

    can anyone help me with these 3 problems I am trying to check my daughters hoime work it has bee na few years. 1. The sum of n and twenty -two, multiplied by three, is 78 2. the product of z and 17 is less than or equal to the difference of twenty -one

    asked by liz on September 15, 2006
  42. Algebra

    2x + 1/2 = x/2 + 1/3 Subtract the x/2 from both sides to get 2x + 1/2 - x/2 = + 1/3 Now subtract 1/2 from both sides to get 2x + - x/2 = 1/3 - 1/2 Then combine terms on both sides and solve for x. Subtract the x/2 from both sides to get 2x + 1/2 - x/2 = +

    asked by Rose on September 17, 2006
  43. maths

    i am thinking of a number i multiply it by 8 and subtract 163 i would get the same answer if i multiply by 3 and subtract 13

    asked by kaitlin on April 6, 2015
  44. Physics

    Given the following vectors, find the x and y components a. Ᾱ = 37 m with an angle of 25° b. ? = 16m with an angle of 90° c. ? = 25m with an angle of 0° d. ? = 30m with an angle of 180° ADD AND SUBTRACT THE FOLLOWIN VECTORS PAIRS HINT: You have

    asked by Marlyn on August 24, 2012
  45. algebra

    I need a step by step explanation on how to add these two equations 2x+3y=1 5x+3y=16 Subtract the first equation from the second. (Subtract left and right sides separately). This gives you 3x = 15 Then divide both sides by 3. x = 5 Pretty easy, huh? After

    asked by Tony on March 20, 2007
  46. math

    Danielle has 4 hundreds,3 tens, and 6 ones blocks. Identify the greatest and the least possible 3-digit numbers she could subtract from that number. Then give the greatestand least possible 2-digit numbers she could subtract.

    asked by liz on November 30, 2011
  47. 3rd math

    The commutative, or order, property applies to which operations? A. Add & Multiply B. Subtract & Mutiply C. Add & Subtract D. Mutiply (we chose A - is this correct?)

    asked by Anonymous on January 10, 2011
  48. Maths

    3x + 1 < -2 subtract one from each side, then divide both sides by three. first you need to look at each side of what ever your looking at and subtract 1 from each number then divide the numbers by 3 I have trouble with math all the time. so I was

    asked by Jess on November 9, 2006
  49. math

    There are a few questions I can't figure out, please help with as many as possible :) TYSM 5. Add or subtract (m^2-m-4) + (m-5) a) m^2-2m+9 b)m^2+2m-9 c)m^2-2m-9**** d)m^2-9 Add or subtract 6. (7x^2-x-2)-(-6x^3+3)

    asked by connexus on May 1, 2019
  50. Algebra Repost

    How can I transform the equation 4=x-y into one that begins with "y="? Would I subtract x from both sides to get -x+4=-y? This doesn't look right at all. Or would I add y to both sides and then subtract 4 to get y=x-4? This way seems more correct to me.

    asked by Anonymous on May 4, 2008
  51. Algebra

    How can I transform the equation 4=x-y into one that begins with "y="? Would I subtract x from both sides to get -x+4=-y? This doesn't look right at all. Or would I add y to both sides and then subtract 4 to get y=x-4? This way seems more correct to me.

    asked by Anonymous on May 4, 2008
  52. algebra

    could someone check my answers to these few questions? "What is the equation of the line, in slope-intercept form, that goes through the point (-1, -8) with m = 3 ?" here's my work: y + 8 = -3(x + 1) [i put the values into the equation.] y = -3x + 5 [i

    asked by caduceus on November 8, 2013
  53. math

    Jimmy began deriving the quadratic formula as shown. ax² +bx +c = 0 x² +b/ax+c/a=0 x² +b/ax=−c/a x² +b/ax+(b/2a)² =−c/a+(b/2a)² What should Jimmy do next? Subtract x² from each side. Factor the trinomial. Add x² to each side. Subtract b2a from

    asked by Jay on May 24, 2017
  54. Math

    For example when you subtract 5 5/6 with 7 6/8 you have to check what does 6 and 8 have in common so 7 6/8 times 3/3 because that makes 24 and that is what 8 and 6 have in common so then you times 5 5/6 with 4/4 so you get 5 20/24 -7 18/24 but you have to

    asked by Nashley on November 29, 2017
  55. Algebra

    1. Subtract and simplify 18/y-8 - 18/8-y 2. subtract simplify if possible v-5/v - 7v-31/11v 3. Simplify by removing factors of 1 r^2-81/(r+9)^2 4. Divide and simplify v^2-16/25v+100 divided by v-4/20 5. find all rational numbers for which the rational

    asked by Anonymous on November 21, 2010
  56. Precalculus

    The polar equation of a graph is given below: r=4/sin(theta) Give the equation of the line in rectangular coordinates. If you rotate this graph 40 degrees counterclockwise about the pole, would you add or subtract 40 degrees to θ? Subtract?

    asked by Anon on January 20, 2012
  57. math

    If the answer is 1-2/3m what is the question> How can you solve equations like these? 9r + 7 = 4r - 8 Need to get the r on one side. 1st- subtract 4r from the right side of the = sign. What you do to one side do to the other. 9r-4r+7=4r-4r-8. 5r+7=-8 2nd-

    asked by jenny on November 14, 2006
  58. stuck

    thirteen contains six letters. t, h, i, r, e, n A word I know six letters it contains subtract just one, and twelve is what remains cool riddle. twelves has six letters and subtract one(s) it makes twelve

    asked by bobpursley on February 25, 2007
  59. mat 117/algebra

    2/(5w+10 )- 3/(2w-4) please show me how to work this problem. I assume this is some sort of combine the fractions, as there is nothing equal to the sentence above. factor out 1/((5w+10)(2w-4)) 1/((5w+10)(2w-4)) * ( 2*(2w-4) - 3(5w+10) ) do the

    asked by Diana on July 6, 2007
  60. Math

    how would i do 2x+12=5x+8-x????????? 2x+12=5x+8-x This seems to be a continuing question. The idea is to gather the x's on one side, and the constants on the other. Subtract 2x from both sides. subtract 8 from both sides. You ought to have numbers on one

    asked by Amber on September 10, 2006
  61. Math

    You start with 101 and want to get down to 0 by subtracting 2. How many times will you subtract 2 from 101? 101 is an odd number and 0 is even; you can't get from an odd to an even by subtracting even numbers. If you subtract 50*2, or 100, you'll get to 1

    asked by Sam on October 10, 2006
  62. ALGEBRA

    can you help me with this. d don't get it at all :( let n be the number used for the given number puzzle. use algebra to show how the puzzle works. 1. pick a number 2. subtract 9 3. multiply by 6 4. divide by 3 5. add 18 6. subtract twice your original

    asked by ROBERT on September 24, 2008
  63. Geometry MATH CHECK

    Check? In your own words, explain why we use the formula AB = |a - b| to find the distance of a segment. Include why you need to subtract and why you need to take the absolute value. We use that formula |a-b| because a and b are representing coodinate

    asked by Vanessa on August 14, 2013
  64. Algebra

    From 7x2 – 4x subtract 5x2 + 2x. I do not understand what order to subtract. Do I subtract like a or b? a) 7x2 – 4x - 5x2 + 2x b) 5x2 + 2x - 7x2 – 4x

    asked by Anonymous on February 10, 2016
  65. ALGEBRA 1

    FOUR OF THE ANGLES OF A PENTAGON HAVE THE MEASURE 30,70, 120, AND 165. TO FIND THE MEASURE OF THE FIFTH I ADD THE FOUR MEASURES WHICH IS 385 AND SUBTRACT IT FROM 540 WHICH IS 540-385=135 WOULD THIS BE CORRECT. IS THERE A FOMULA THAT I NEED TO USE TO ARRIVE

    asked by DANIELLE on February 12, 2007
  66. Math

    Use a system of equations to find the quadratic function f(x) = ax^2 + bx + c that satisfies the equations. Solve the system using matrices. f(−2) = 4, f(1) = −2, f(2) = −12 The answer i got is f(x)=-2x^2-4x+8 this is the steps of how i got

    asked by anonymous on April 9, 2019
  67. Math

    Nadine has a chip board with 4 red chips. She needs to subtract 2 black chips, but there are no black chips on the board. Nadine says" It is impossible to subtract 2 black chips. There are none on the boars!" What can Nadine do to the chip bound so that

    asked by Cons on August 28, 2017
  68. GEOGRAPHY CONFUSED

    If it is 6 am at 30 degrees W what time is it at 120 degrees? I thoughtit was 1 am, but Sue said to subtract 30 minus 120 and divide by 15. this would make it 6. Do I subtract 6 hours from 6 am making it 12:00 am? Please clarify It's earlier the further

    asked by Suzanne on October 11, 2006
  69. math please

    Add or subtract exponents? I don't know when to add or subtract it's all confusing. 100^12/100^8 A.100^12/100^8 B.100^96 C.100^4 D.100^20 If I added it would be D If I subtract it would be C Please help I don't know which one is right. Thank you

    asked by aloha on May 18, 2015
  70. Math

    I have a problem..... -4(2x-3)=-8x+5 I understand first you distribute the -4 so you would have -8x+12=-8x+5 Then if you try and move x over to either side you completley get rid of x.... am I missing something or is this problem not solvable? Thank you I

    asked by russell on March 29, 2007
  71. Algebra

    when you have to add or subtract from each side of a linear equations and linear inequalities, how do I know what to add or subtract?

    asked by LillyPrince on September 22, 2018
  72. Pre-Calculus

    Let f(x) be the function 1/(x+9). Then the quotient [f(5+h)−f(5)]/h can be simplified to −1/(ah+b). What does a and b equal to? So I understand the overall concept, and did f(5+h) = 1/(14+h) and f(5) = 1/14. Then to subtract the two, you get the common

    asked by Ann on October 18, 2013
  73. Math--time

    how do u add and subtract time.... ex. Math class is dismissed at 2:20pm ,It is now 1:53pm how many more minutes before math class is dismissed. It is a subtraction, but remember each hour is 60 min. 2:20 - 1:53 but you cant subtract 53 from 20, so you

    asked by Aleeyah on August 29, 2005
  74. arithmetic

    How does this work “Think of a #. Add 7. Double the result. Subtract 8. Double the result. Add 12. Divide by 4. Subtract 6. Your answer will be the original number.

    asked by sam on January 21, 2010
  75. msth 117

    Take any number (except for 1). Square that number and then subtract one. Divide by one less than your original number. Now subtract your original number. You reached 1 for an answer, didn’t you? How does this number game work?

    asked by monkeybaby on March 9, 2010
  76. math

    Jen, I will attempt to write the others out. #3)ADD: -57 + (-22) I got -79 #4)Subtract -2.3-(-8.8) I got -6.5 #7)perform indicated operation: -21 - (-9) I tried to underline ----------- -21 - (-21) I got -12 over o or undfined #8)Multiply:(4){-3/2} This

    asked by barbara on July 18, 2010
  77. PROGRAMMING

    1. Make a C program that will input two integers and then to enter an option as follows: • 1 = to add the two integers. • 2 = to subtract the second integer from the first. • 3 = to multiply the integers • 4 = to divide the first integer by the

    asked by ME-ANN on September 28, 2014
  78. 3rd grade math

    52 is a 2-digit number. The digits are 5 and 2.If you subtract the smaller digit from the larger digit you will get 3.what [2-digit number] gives you the biggest difference when you subtract the digit. my anwser is 45.

    asked by Carol on February 22, 2009
  79. math,help

    i am having difficulty with this problem can someone help me. Problem #1 Write in simplest form (48a^5b)/(12ab^2) this is what i get: 4a^4b^-1 Problem #2 how do i start it: subtract. Express your result in simplest form (12)/(z) minus (10)/(z) Your #1 is

    asked by jasort20 on March 16, 2007
  80. algerbra

    am i correct on this? question: solve and check square of 5x+6 is equal to x work and answer: square each side 5x+6=x^2 subtract 5x-6 on both sides 0=x^2-5x-6 (x+1)(x-6) x+1=0 subtract -1 on each side x= -1 is a reject x-6=0 add 6 on each side x=6 and 6

    asked by Liz on April 22, 2017
  81. algebra

    Take any number other than 1. Square that number and then subtract 1. divide by one less than your original number. now subtract your original number. you should end up at one. how does this work?? Rewrite and use a variable instead of and actual number

    asked by debby on January 10, 2012
  82. Math

    Nadie has a chip board with 4 red chips. She needs to subtract 2 black chips, but there are no black chips on the board. Nadie says, "it is impossible to subtract 2 black chips. There are none on the board "What can Nadine do to the chip board so that she

    asked by Cons on August 28, 2017
  83. Math 213 Elementary Math

    20. Think of a number. Add 7. Double the result. Subtract 8. Double the result. Add 12. Divide by 4. Subtract 6. Your answer will be the original number. Explain how this trick works.

    asked by Shay on August 7, 2009
  84. elementary

    Think of a number. Add 7. Double the result. Subtract 8. Double the result. Add 12. Divide by 4. Subtract 6. Your answer will be the original number. Explain how this trick works.

    asked by Mary on October 31, 2009
  85. math

    Find the coterminal angles for 8pi/3. I found one: 8pi/3 - 2pi= 2pi/3 My textbook says that I should add subtract 4pi to find the other one and I'm very confused as to how you know what to add/ subtract.

    asked by Emily J on November 21, 2016
  86. math

    Roberto is an employee of a store and receives 20% discount off all items in the store. During a sale, the price of a jacket is reduced by $15. Roberto will receive both his 20% discount and the $15 off. Which is better for Roberto, to take the 20%

    asked by anonymous on March 16, 2011
  87. Physics

    A basketball player, standing near the basket to grab a rebound, jumps 73.6 cm vertically. How much time does the player spend in the bottom 15.4 cm of the jump? I think I have this right, but I'd like someone to make sure. First I have to find the total

    asked by Lindsay on October 9, 2007
  88. math

    how do you add and subtract + and - numbers? Is there a rule? Yes. The adding rule is this: If the signs are the same, add the numbers directly, then use the sign of the numbers. If the signs are different, Subtract the smaller from the larger, and use the

    asked by robin on September 15, 2006
  89. Math

    What should Edna do to solve for m in the equation? 65 = m + 29 A) add 29 to each side B) add 29 to the left side C) subtract 29 from the right side D) subtract 29 from each side

    asked by David on November 12, 2016
  90. math

    Think of a number. Add 17. Double the result.Subtract 4. Double the result. Add 20. Divide by 4. Subtract 20.What's your answer?

    asked by Rebecca on September 10, 2009
  91. algebra

    1. What must be added to p to produce q? 2. What is the perimeter of the rectangle if the length is 2x-3y and the width is x+2y? What is the area? 3. What must be subtracted to 7y to leave -5y+2z? 1. q = 1 - p 2. Perimeter of rectangle = 2 length + 2

    asked by klar maesen on July 18, 2007
  92. physics(gas laws)

    Got a question 3. Given 325 ml of saturated gas at 760 mmHg and 25°C, what would be its volume if dry at the same pressure and temperature? I got confused when I read 'if dry' Does that mean I have to subtract something out of 760mmHg? And would I used

    asked by abby on January 27, 2008
  93. Math

    what is the rule for this pattern 12 15 18 21 A.start with 12 and subtract 3 repeatedly B.start with 12 and add 3 repeatedly C.start with 12 and add 4 repeatedly D.start with 12 and subtract 4 repeatedly what is the rule for this pattern 17 20 19 22 21

    asked by Mahoganie on October 7, 2015
  94. Algebra

    Can someone verify if my answers are correct? Solve. 1/x+6-1/x-6 My answer is: -12/x^2-36 Solve. 1/x+5+2=5/x+5 My answer is: -3 Subtract. Express your answer in simplest form. 13x/30-4x/15 My answer is: x/6 Can someone verify if my answers are correct?

    asked by Need Help on July 12, 2007
  95. math

    Take any number (except for 1). Square that number and then subtract one. Divide by one less than your original number. Now subtract your original number. Did you reach 1 for an answer? You should have. How does this number game work? Hint: Redo the number

    asked by Paula on November 2, 2010
  96. Math

    Put these operations in order. The operations with the greatest impact should go on the top level. (Add, Subtract, Multiply, Divide) Top Level-Multiply and Add Least Impact-Divide and Subtract Multiply, Add, Divide , Subtract-Is this in the right order?

    asked by Patrick on September 1, 2018
  97. Math

    a) Subtract -6 Find the opposite Add -2 Subtract -4 Find the opposite The answer is -5 The original integer is_____ b) Add +14 Add -5 Find the opposite Subtract +6 Add +3 The answer is 0 The original integer is ____ I need help. Thank you!

    asked by Miley on February 2, 2011
  98. math

    how to subtract numbers with decimals Line up the decimal points and proceed the same way as you would when subtracting whole numbers. Example: 56.78 12.34 ____ 44.44 It works the same when adding decimalized numbers. example: 92.4 -6.41 _____ 1) When

    asked by tyler on August 30, 2005
  99. wut iz 3x+4=2x+7

    x+? wut iz 3x+4=2x+7 Last question I answer with wut iz. Subtract 2x from both sides. 3x-2x+4=2x-2x+7 combine terms. x+4=7 subtract 4 from both sides. x+4-4=7-4 combine terms x=3 The idea here is to get the unknowns on one side (in this exammple the

    asked by Koco123 on January 31, 2007
  100. Algebra

    You made 2 deposits to your bank account this month. 1 deposit was $17.92 and the 2nd was $15.33. Your balance at the end of the month is $72.31, and you made no withdrawals. What expression shows your balance at the beginning of the month? My thoughts

    asked by Faye on August 23, 2014

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