Answer:
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Step-by-step explanation:
I JUST NEED POINTS
Non fiction and formal writing :)
Wow! There so much extra stuff on this drawing, naturally it's hard to see
what's going on.
First, do you remember "vertical angles" ? They're the pair of opposite angles
that form where lines cross, and they're equal.
-- It says that angle-1 is 55 degrees.
Angle-1 and angle-7 are vertical angles, so angle-7 is also 55 degrees.
-- It says that angle-4 is 60 degrees.
Angle-4 and angle-6 are vertical angles, so angle-6 is also 60 degrees.
Now you can forget about all that stuff that's outside of the triangle in the middle,
and just look at the triangle. They want you to find angle-10.
See the angles at the top of the triangle ... angle-7 and angle-6 ?
We know what both of those are. Angle-7 is 55 degrees, and angle-6 is 60 degrees.
Do you remember what the 3 angles inside a triangle always add up to ?
They always add up to 180 degrees.
Add angle-7 and angle-6 together . . . 55 + 60 = 115 degrees.
So angle-10 is just the rest of the 180 degrees inside the triangle.
Angle-10 = 180 - (115) = 65 degrees
Answer:
2x^2 / (3x-1)(x-2)
Step-by-step explanation:
You can simplify any rational expression (fraction/fraction) or (fraction/number) or
(number/fraction) or even (number/number) by using
KEEP-CHANGE-FLIP
KEEP the first fraction (or the one on top), CHANGE the ÷ to times. FLIP over the last fraction (or bottom expression) see image.
Keep the x/3x-1 the same, change to multiplication. Flip over the second term to be 2x / x-2.
To multiply, you multiply straight across: top×top and bottom×bottom. See image.
(the very small final answer is just in case you are expected to multiply out the denominator. I think the factored form is neater. See image.
-5t+5t+2+8-8
-5t+5t=0 or t
2+8-8=2
t+2 is the final answer