anonymous
  • anonymous
Evaluate the following expression using the values given. Find 5x − 3y − z if x = −2, y = 2, and z = −3 −19 19 13 −13
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
kymber
  • kymber
|dw:1333480698850:dw| Plug the given values into the variables and solve! :D
anonymous
  • anonymous
IS ANSWER -13 ?
kymber
  • kymber
|dw:1333480809834:dw| Yes!!! :D

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More answers

anonymous
  • anonymous
I GOT 13 BUT DONT NO IF ITS POSTIVE OR NEG
anonymous
  • anonymous
CAN U HELP ME WITH THIS ONE
kymber
  • kymber
It's negative! -10 - 3 is like adding a negative. It's easier to think of it that way, I think
anonymous
  • anonymous
[1.03] Evaluate the following expression using the values given. Find 2x − 3y if x = 2 and y = −4 8 −8 −16 16
kymber
  • kymber
You just do the same thing! Plug the given numbers into the variables and see what you get :)
anonymous
  • anonymous
I GOT 8 BUT I THINK ITS POSTIVE
kymber
  • kymber
Remember that negative signs cancel out, so -3 times -4 is positive twelve!|dw:1333480967382:dw|
anonymous
  • anonymous
WHAT ABOUT THIS ONE , THANXS SOO MUCH Translate the following phrase into an algebraic expression: Two times the sum of a and b 2a + b a + 2b 2a + 2b 2(a + b)
kymber
  • kymber
"times" means multiplication, and "sum of" means that you add a & b. Which one do you think it is?
anonymous
  • anonymous
I THINK ITS C
kymber
  • kymber
It's D, because when it says "two times the sum of" then you know it should the "sum of" in parenthesis. :D
anonymous
  • anonymous
THANX SOO MUCH (IS THIS ONE C) ] Use the distributive property to simplify the expression below: −3(3d − 1) + 5d −4d + 3 −4d − 3 −d + 3 −d − 3
anonymous
  • anonymous
but wait could it be a because 2times the sum of a and b
anonymous
  • anonymous
A
kymber
  • kymber
|dw:1333481392153:dw|
anonymous
  • anonymous
WHAT ABOUT THIS ] Use the distributive property to simplify the expression below: −4(2u − 4) −6u − 4 −6u + 8 −6u − 16 −8u + 16
kymber
  • kymber
The other is D, not A. It's D because when it says "times the sum of" then you know it should be one number being multiplied by the sum of two numbers. When a number is being multiplied by the sum of something, those numbers have to be added first. Therefore they should go in the parenthesis to be added first then multiplied.
kymber
  • kymber
Can you show your work for that one? Where are you getting stuck?
anonymous
  • anonymous
ohhhh ok i got :)
kymber
  • kymber
:D
anonymous
  • anonymous
−4(2u − 4)
anonymous
  • anonymous
is -8u+16 right?
anonymous
  • anonymous
Simplify the following expression. 2x − 2y + 3z − 2x − y + 2z = ? 4x − 3y + 5z −2y − 3y + 5z −2x − 3y + 6z −3y + 5z
anonymous
  • anonymous
YES I THOUGHT IT WOULD BE THAT BUT WASNT FOR SURE
anonymous
  • anonymous
well you have to combined like terms
kymber
  • kymber
Why don't you show us your work & we can tell you if it's right?
anonymous
  • anonymous
well i think is answer D but im not sure
kymber
  • kymber
|dw:1333482170929:dw| This might help, remember that the sign before a number goes with it.
anonymous
  • anonymous
so that is going to equal 0 because if u add a 2x-2x =0
anonymous
  • anonymous
would?
kymber
  • kymber
|dw:1333482424028:dw| Yes, they'd cancel out. I really hope @cvasdcv is gettin' this :p
anonymous
  • anonymous
me 2 i hope this help that we are talking about every step
anonymous
  • anonymous
so a -2y-y=-3
anonymous
  • anonymous
right?

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