Check the picture below.
The circumference of the smaller circle is 30% of the circumference of the larger circle. Find the circumference of the larger c
2 answers:
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Answer:
x = 9.8
Step-by-step explanation:
to find x, use pythagorean theorem
⇒ 9.8
Answer:
Step-by-step explanation:
Do FOIL, first outside inside last
3x × 3x = 9x^2
3x × -7 = -21x
7 × 3x = 21x
7 × -7 = -49
So it would just be 9x^2 - 49