anonymous
  • anonymous
The following is a rectangle. Find x and y using the information given. AB = 2x DC = -7y - 1 AD = x BC = -2y +10
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
|dw:1366268375485:dw|
anonymous
  • anonymous
2(-2y+10)=-7y - 1 this is the equation I came up with so far
anonymous
  • anonymous
HELOOO

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More answers

anonymous
  • anonymous
y and x will be the same for the whole rectangle, so if you set up an equation where 1 variable equals some numbers and the other variable that should help, im working on the problem now myself
anonymous
  • anonymous
ok show when finished
anonymous
  • anonymous
Neat puzzle! Drawing the diagram shows that x = -2y+10 and 2x = -7y-1 With these 2 equations, you can solve for y, and figure out x
anonymous
  • anonymous
Can you solve please
anonymous
  • anonymous
@qweqwe123123123123111 did you get the answer? if you did, message me, and let me know what you got so we can compare
anonymous
  • anonymous
No I didn't get the answers Im stuck
anonymous
  • anonymous
Yes, I can solve it. But the purpose of this board is to teach YOU how to solve it.
anonymous
  • anonymous
i agree with @qweqwe123123123123111 i am not willing to just hand out answers
anonymous
  • anonymous
-__-
anonymous
  • anonymous
I have the equation set up I just need help solving
anonymous
  • anonymous
well what are you equations?
anonymous
  • anonymous
2(-2y+10)=-7y - 1
anonymous
  • anonymous
I think not sure
anonymous
  • anonymous
nope thats not it. remember that the top and bottom are equal, and the sides are equal. given that information, set up two equations
anonymous
  • anonymous
Can you give example I don't know how to do that
anonymous
  • anonymous
ok, so we know that ab is the top and the equation is 2x, and we know that dc is the bottom, and the equation is -7y-1. because it is a rectangle the top and bottom will be equal in size. so you can set the equations equal to each other: 2x=-7y-1. can you set up an equation for the sides?
anonymous
  • anonymous
x=-2y+10
anonymous
  • anonymous
correct. now pick one of the equations and solve for one of the variables. i decided to start with the equation for the sides. since it is already equal to x, you can plug that entire equation into x in the other equation. so it will look like: 2(-2y+10)=-7y-1 now solve for y, and post what you get so i can tell you if you are correct
anonymous
  • anonymous
Dude that's exactly what I said the first time
anonymous
  • anonymous
Thats the same equation I wrote and I said I'm having trouble solving it
anonymous
  • anonymous
alright man, well i didnt recognize that. im sorry, you dont need to get so snippy man, just tryin to help. ok ok ok well now we know where we are.
anonymous
  • anonymous
ok first you have the equation: 2(-2y+10)=-7y-1 Multiply 2 out: -4y+20=-7y-1 Collect the y's on one side 3y=-21 divide by 3 y=-7
anonymous
  • anonymous
So for x do we plug it in one of the equations? If so which one?
anonymous
  • anonymous
do you remember the equation we got for the top and bottom? plug what you got for y into the equation and solve for x
anonymous
  • anonymous
ok one sec
anonymous
  • anonymous
x=25 or 24?
anonymous
  • anonymous
24 man. its 24
anonymous
  • anonymous
I'm just making sure I get the right answer man, I can't afford to get anything wrong. WORK ON YOUR PATIENCE (JERK)
anonymous
  • anonymous
dude, you are the one being a jerk, from the beginnning you had no patience. im not just gonna spit you an answer. im gonna make you wait for it man. my patience? i have no idea where you think im not being patient
anonymous
  • anonymous
RELAX GANG!!! Once you found that y = -7, all you had to do to find x is remember that: x = -2y+10 With that you would replace all the "y"s with "-7" and figure it out: x = -2(-7)+10 which is: x = 14+10 which is x = 24
anonymous
  • anonymous
First I give you the right eqation then you say its wrong, I ask simply if x is 24 or 25 and you call me a jerk. If I didn't ask and would've put 25 I wouldve gotten a 0 for my grade so excuse me for asking
anonymous
  • anonymous
Thank You Q!
anonymous
  • anonymous
i didnt realize it was the same equation man. my bad for not recognizing how you just spit out an equation without explaining how you got there. and you were the one who is like "i need an answer now now now" so w.e man.
anonymous
  • anonymous
sorry for trying to make you do it, and not just give you an answer
anonymous
  • anonymous
All good man and I never said that but w.e
anonymous
  • anonymous
well you pretty much did man. but w.e im glad you got the answer, and have a good night

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