anonymous
  • anonymous
I need 10th grade math help
Geometry
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
okay...? Anything in particular?
anonymous
  • anonymous
ABCD is a rectangle. Find the length of each diagonal. AC=2(x-3) BD=x+5
Vocaloid
  • Vocaloid
AC and BD are the diagonals, and diagonals of a rectangle are equal to each other 2(x-3) = x + 5 the first step is to solve for x, can you do that for me please?

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More answers

anonymous
  • anonymous
How do I do that
Vocaloid
  • Vocaloid
first, look at the left side of the equation 2(x-3) distribute the 2 and tell me what you get
anonymous
  • anonymous
2x
Vocaloid
  • Vocaloid
not quite, try again hint: A(B-C) = A*B - A*C
anonymous
  • anonymous
2x-6
Vocaloid
  • Vocaloid
right! so the left side of the equation is 2x - 6 and the right side of the equation is x + 5 2x - 6 = x + 5 can you try solving for x now?
anonymous
  • anonymous
Do I subtract 6 to each side
anonymous
  • anonymous
Or 5
Vocaloid
  • Vocaloid
add 6 to both sides, since we have -6 on the left side and we want to get rid of it
anonymous
  • anonymous
2x=x+11 right?
Vocaloid
  • Vocaloid
right, now subtract x from each side
anonymous
  • anonymous
X=11?
Vocaloid
  • Vocaloid
right, x = 11, only one more step to go! let's use the equation from before, BD=x+5 if x = 11, what is x + 5?
anonymous
  • anonymous
16?
Vocaloid
  • Vocaloid
great! that's our answer
anonymous
  • anonymous
Thank you! Could you help me with a few more?
Vocaloid
  • Vocaloid
sure
anonymous
  • anonymous
how do I upload a pic on hete
Vocaloid
  • Vocaloid
"attach file"
anonymous
  • anonymous
Where is that
Vocaloid
  • Vocaloid
right under the box where you type stuff in
anonymous
  • anonymous
I'm on mobile I do not see it
Vocaloid
  • Vocaloid
Ah, I'm not familiar with the mobile site @pooja195 perhaps you can help?
anonymous
  • anonymous
Is that person online
pooja195
  • pooja195
i dont use the mobile site o-o @paki @sleepyhead314
anonymous
  • anonymous
Are they online
sleepyhead314
  • sleepyhead314
just a sec ^_^
jigglypuff314
  • jigglypuff314
Here, can you see this? There is a camera icon and paper clip button for you to attach pictures with :)
1 Attachment
anonymous
  • anonymous
I don't have that?
anonymous
  • anonymous
??
sleepyhead314
  • sleepyhead314
uh oh which iphone are you using? (or itouch?) or have you updated the app recently?
anonymous
  • anonymous
Do I have to be using the app I'm on the internet but I can get the app I'm on the IPhone 5s
sleepyhead314
  • sleepyhead314
ohhh yes! using the App would allow you to attach files :)
anonymous
  • anonymous
I'm getting it
anonymous
  • anonymous
I'm on the app now can you help me with a problem
sleepyhead314
  • sleepyhead314
sure ^_^
anonymous
  • anonymous
@Vocaloid
anonymous
  • anonymous
Ok here's the pic
sleepyhead314
  • sleepyhead314
I suggest attaching the pic with the app then going back to the in browser (because the app is still a little slow)
anonymous
  • anonymous
Find the value of Y. Angle 1=3y+6
1 Attachment
sleepyhead314
  • sleepyhead314
interior angle of a square is 90 degrees 3y + 6 = 90
anonymous
  • anonymous
Is the answer 90?
sleepyhead314
  • sleepyhead314
not quite :) we have to solve for "Y" when given 3y + 6 = 90 you would first subtract 6 from both sides
anonymous
  • anonymous
Or is it 28
sleepyhead314
  • sleepyhead314
that's correct :)
anonymous
  • anonymous
Could you help me with a couple more
sleepyhead314
  • sleepyhead314
of course
anonymous
  • anonymous
Find the measure of Angle 2
1 Attachment
sleepyhead314
  • sleepyhead314
assuming this is a parallelogram?
anonymous
  • anonymous
Yes
sleepyhead314
  • sleepyhead314
just a parallelogram or square rhomus kite? does it say anything else? :3
anonymous
  • anonymous
It doesn't say but the topic is Special Parallelograms
sleepyhead314
  • sleepyhead314
ohhhh then it should definitely be a ... rhombus or something and the diagonals of a rhombus always bisect at 90 degree angles so if it really is a rhombus, then it should be 90 degrees ^_^
anonymous
  • anonymous
The answer is 90?
sleepyhead314
  • sleepyhead314
I believe so, if there is no other information given
anonymous
  • anonymous
It was right
anonymous
  • anonymous
Find the measure of angle 2
1 Attachment
anonymous
  • anonymous
Forget the pic I just sent can you help with this one? RT=2x+4 SW=6x-20
1 Attachment
sleepyhead314
  • sleepyhead314
diagonals in a rectangle are equal to each other so 2x + 4 = 6x - 20
anonymous
  • anonymous
Add 6??
sleepyhead314
  • sleepyhead314
subtract 2x from both sides
anonymous
  • anonymous
So 4=4x-20?
sleepyhead314
  • sleepyhead314
that's right! :) great job now add 20 to both sides
anonymous
  • anonymous
24=4x
sleepyhead314
  • sleepyhead314
then divide both sides by 4
anonymous
  • anonymous
X=6 ??
sleepyhead314
  • sleepyhead314
mhmm
anonymous
  • anonymous
Find the measure of angle 1
1 Attachment
sleepyhead314
  • sleepyhead314
assuming angle 1 equals angle 2 there are 360 degrees in a quadrilateral 360 = 2*104 + 2*(2[angle 1]) 360 = 208 + 4 [angle 1] now subtract 208 from both sides
anonymous
  • anonymous
152=4?
anonymous
  • anonymous
Divide by 4
anonymous
  • anonymous
38??
sleepyhead314
  • sleepyhead314
that's what I got :)
anonymous
  • anonymous
So it's right
anonymous
  • anonymous
RZ=30 SW=5x-20
1 Attachment
sleepyhead314
  • sleepyhead314
2(RZ) = (SW) 2(30) = 5x - 20
anonymous
  • anonymous
Is the answer 16
sleepyhead314
  • sleepyhead314
yup
anonymous
  • anonymous
It was wrong
anonymous
  • anonymous
Find the measure of angle 4
1 Attachment
sleepyhead314
  • sleepyhead314
it was wrong and yet you still ask me? xD perhaps you should try opening a new question to get someone to help you I'm not actually good at these :-/
anonymous
  • anonymous
You've been getting them all right though
sleepyhead314
  • sleepyhead314
what I'm saying is idk how to do this one, sorry o-o

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