anonymous
  • anonymous
can somebody, anybody help? Find EF E Q D F P G 3x - 2 3x + 5 8x - 8 Reply Using Drawing Can you teach me how to do this?
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!
wolf1728
  • wolf1728
What exactly is the question?
anonymous
  • anonymous
|dw:1377984252325:dw|
anonymous
  • anonymous
SORRY, Find EF

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anonymous
  • anonymous
CCan you teach me how to do this?
jdoe0001
  • jdoe0001
hmm, I'm assuming QP is the Mid-Segment of the trapezoid? if so, midsegment of a trapezoid = \(\bf \cfrac{base1+base2}{2} \) you have 2 bases say base1 = 3x - 2 base2 = 8x - 8 and the midsegment = 3x + 5 thus => \(\bf \textit{midsegment } = \cfrac{base1+base2}{2} \implies 3x+5 = \cfrac{(3x-2)+(8x-8)}{2} \)
anonymous
  • anonymous
I'm so confused, help!
jdoe0001
  • jdoe0001
hmm, well.... I don't see anything confusing there :(
jdoe0001
  • jdoe0001
we're assuming you know what a trapezoid is, and its midsegment is the line half-way to the top
wolf1728
  • wolf1728
Can you solve for x? 3x + 5 = (3x -2)/2 + (8x -8)/2
anonymous
  • anonymous
yes I realize that, so 3x-2 falls right in between E&F so do I solve that for E & F? z\
wolf1728
  • wolf1728
I'd solve for x
anonymous
  • anonymous
I've mever done 1 with 3 equations I've just done them with 1 on each side of the equal sign. Do you think you can help me work it out?
wolf1728
  • wolf1728
It is actually 1 equation and here's how to evaluate it: 3x + 5 = (3x-2)/2 + (8x -8)/2 How about getting out the fractions on the right hand side?
anonymous
  • anonymous
3x+5=6x-4+16x-16, am I right so far?
anonymous
  • anonymous
3x+5=22x+-20???
wolf1728
  • wolf1728
No - you multiplied by 2 instead of dividing. Here, I'll clear out 1 fraction for you: 3x + 5 = 1.5x -1 + (8x-8)/2 Can you clear out that right hand fraction? Remember to divide.
anonymous
  • anonymous
3x+5=1.5x-1+4x-4 How are we looking?
wolf1728
  • wolf1728
Better No you would add all the terms together.
anonymous
  • anonymous
so I have 7.5 I'm sorry 8.5x and 0=
anonymous
  • anonymous
isn't any # divided by 0, 0?
wolf1728
  • wolf1728
No you got 8.5 because you added left side numbers with right side numbers. WAY back in my day they taught us to transpose the equation. So if you move 3x to the right side, it becomes -3x
anonymous
  • anonymous
O I'm sorry I was moving everything to the right. please be patient I'll try it again
wolf1728
  • wolf1728
Remember whenever you move everything from one side to the other - change the signs.
wolf1728
  • wolf1728
Gotta head out. Be back in 30 minutes - maybe someone else can help you. You are close to finishing.
anonymous
  • anonymous
Do I first add all the like terms on the right?
anonymous
  • anonymous
O I'm sorry I was moving everything to the right. please be patient I'll try it again
saifoo.khan
  • saifoo.khan
Do you still need help?
wolf1728
  • wolf1728
Hey I'm back !!!
anonymous
  • anonymous
Hello wolf
saifoo.khan
  • saifoo.khan
So where do you need help?
anonymous
  • anonymous
3x+5=1.5x-1+4x-4 is this correct? Do I combine 1.5x & 4x then subtract -5.5x from +3x, leaving the sum on the left side of the equation? Then taking a negative 5 from the left side, adding the negatives giving me -10?
anonymous
  • anonymous
anonymous
  • anonymous
10/2.5=4 is the correct answer to the equation x=4?

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