Algebra

posted by .

I have two questions: first question is : [ 8(6-1)-1]-[2-(5-2)] i got 40 as my answer is this right? And second question is -y + - 80 an equivalent expression to -(y+80)? Because I got
-y + - 80.

  • Algebra -

    yes! they are both correct! good job!

  • Algebra -

    wait! i got 45 for the 1st one

  • Algebra -

    No, 40 is right.

    [8(6 - 1) - 1] - [2 - (5 - 2)]

    [8(5) - 1] - (2 - 3)

    40 - 1 - (-1)

    40

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. physics

    What are the magnitude and direction of the particle’s acceleration?
  2. Geometry

    I HAVE A QUESTION. When I post a question and there is now response to it does it means that my answer to my questions are correct?
  3. Math

    Hello, I need to know if I have the right answers to these questions. 2x-y=3 question is which of the following points lie on the line. is the answer 0,3 (-1,1) (2, 1) (-3, 1) (-3, ) or (1, 2) I chose the answer (-3, 1) is that right, …
  4. Algebra 1

    I'm completeing parts of my homework, and need help checking some of the problems. Could someone tell me if this is right?
  5. calculus

    The question I'm having problems with is If f(x)=3x^2+7x+2, find f'(4) , using the definition of derivative.f'(4) is the limit as x--> ________ of the expression __________________. The value of this limit is _________________. …
  6. math

    Can you let me know if I got the correct answer. The question says the expression (10w^3)^2/5w is equivalent to?
  7. Algebra

    You want to buy 8 books for $19.68 each, estimate the total cost show your work. I did 19.68 x 8 and got 157.44 then rounded the answer and got 157 am I right?
  8. math

    Find the values of x and y in the two equations below then answer the question that follows. 2^-3=1/x 7^y=1/49 What is the value of xy ?
  9. Math

    [Note: I did the first half of this question by myself and got it correct. But I got the second half wrong] Question: How much work does the electric field do in moving a proton from a point with a potential of +160 V to a point where …
  10. Math--algebra 2

    Hello! I'm trying to solve these two questions-- |x-4|<3 and |5x-2|>5 and I'm not exactly sure how to answer For question 1 I got this- 1<x<7 and for question 2 I got this- x>(7)/(5) or x<-(3)/(5) I'd love some clarification! …

More Similar Questions