Answer:
I believe it is x^2-9
Step-by-step explanation:
Since we don't have a specific "number" you use x. It says it's squared to put an exponent of 2. It also says that 9 is subtracted by it so put -9.
If radius = 30, the circumference = 2*PI *radius =
<span>
<span>
<span>
188.4955592154
</span>
</span>
</span>
cm
The arc = 18*PI cm =
<span>
<span>
<span>
56.5486677646
</span>
</span>
</span>
The arc is (<span>
56.5486677646 / </span><span><span>188.4955592154) = one third of the
</span></span><span><span>
</span></span><span><span>circumference and so it subtends a central angle of 120 degrees.
</span></span><span><span>
</span></span><span><span>
</span></span>
Answer:
B
Step-by-step explanation:
The common ratio r exists between consecutive terms in the sequence, that is
r = - 62.5 ÷ 12.5 = 312.5 ÷ - 62.5 = - 1562.5 ÷ 312.5 = - 5
Answer:
y=15.50x
Step-by-step explanation: