The answer is 3. This is because the perimeter is 30 so 5x+5x+x-3+x-3 = 30. Thus you have 12x-6=30 so x = 3
So, 10%-7%=3%=$294
$294/3%=$9800
Answer: The cost price of the necklace is $9800.
Answer:
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Step-by-step explanation:
wish you luck
Answer:
8.727
Step-by-step explanation:
Since the below edge, d = 15 cm, and the height, h = 12.2 cm, we will use the Pythagorean theorem to find the distance r.



