anonymous
  • anonymous
Solve 20 -15 / -5
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
I have the answer of 23, but not sure how they got it, can anyone help explain?
anonymous
  • anonymous
According to order of operations which term do you need to solve first?
anonymous
  • anonymous
I think it starts with 20 times -15

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anonymous
  • anonymous
I keep coming up with different numbers, not one is 23
anonymous
  • anonymous
There is no times. you have 2 choices: a) 20 - 15 b) -15/-5 Which do you think should be done first?
anonymous
  • anonymous
but when I do this I get 0. I did 20 - 15 = 5 then divides by 5 = 0 I have been trying this, I get 2, 5, and 0. I am really getting confused
anonymous
  • anonymous
20 - 15 is incorrect. You have a subtraction and division. 20 -15 would be subtraction. -15 / -5 is division. According to order of operations (PEMDAS) what comes first subtraction or division?
anonymous
  • anonymous
( Exponent, Multiply, division, add, subtract. So Subtract 20 -15 = 5 times -15 / -5 = -15
anonymous
  • anonymous
Parenthesis, exponent, multiply, division, add, subtract. What comes first division or subtraction?
anonymous
  • anonymous
division, so then it would be -5 divided by -15 = -20
anonymous
  • anonymous
It would be - 15/-5 which is -15 divided by -5. What is -15/-5?
anonymous
  • anonymous
-20
anonymous
  • anonymous
You are doing -20 -5 (which is -20). However, this is -15 / -5. The forward slash " / " is division. So it is - 15 divided by - 5. What is -15 divided by -5?
anonymous
  • anonymous
Ok, then the answer comes up to 5 / 5 which = 1. I keep getting wrong answers The problem to solve is 20 -15 / -5 showing the work. I am confused here
anonymous
  • anonymous
It is not 5/5. It is -15/-5.
anonymous
  • anonymous
-15 divided by -5 = -20 right
anonymous
  • anonymous
No. -15 minus 5 is -20. Put into your calculator -15/-5
anonymous
  • anonymous
I come up with -20.
anonymous
  • anonymous
|dw:1446357303240:dw|
anonymous
  • anonymous
just plug in to your calculator -15/-5 do not do anything with the 20 for now.
anonymous
  • anonymous
-15 / -5 = -20 got it
anonymous
  • anonymous
I am giving the last problem a break. I have a new one not sure about. d= 300 miles and the rate = 60 mph, what is the time, t=
anonymous
  • anonymous
How do you find out rate distance and time? I am not sure how this works? Which do you do first?

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