Answer:

then Radias equal to 5.5676
Step-by-step explanation:
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The answer to your question is 61/99
Is C and D because 10x^2-6x^2=36+64
4x^2=100
x^2=25
x= -5 or 5
Answer:
28-4x
Step-by-step explanation:
Step 1: Open most inner bracket and simplify
=18-2(x+x-5)
=18-2(2x-5)
Step 2: Expand brackets by multiplying 2 in and simplify
=18-2(2x)-2(-5)
=18-4x+10
=28-4x
Therefore the answer is 28-4x