$\textit{circumference of a circle}\\\\ C=2\pi r~~ \begin{cases} r=radius\\[-0.5em] \hrulefill\\ C=30\pi \end{cases}\implies 30\pi =2\pi r\implies \cfrac{30\pi }{2\pi }=r\implies \boxed{15=r} \\\\[-0.35em] ~\dotfill$

$\textit{arc's length}\\\\ s = \cfrac{\theta \pi r}{180}~~ \begin{cases} r=radius\\ \theta =\stackrel{degrees}{angle}\\[-0.5em] \hrulefill\\ r=15\\ \theta =225 \end{cases}\implies \widehat{XY}=\cfrac{(225)\pi (15)}{180}\implies \boxed{\widehat{XY}\approx 58.90} \\\\[-0.35em] ~\dotfill\\\\ \textit{area of a circle}\\\\ A=\pi r^2\qquad \qquad A=\pi (15)^2\implies A=225\pi \implies \boxed{A\approx 706.86}$

6 0

2 years ago

If Regent Tax Services' office supplies account balance on March 1 was $850, the company purchased $450 of supplies during the m

harina [27]

Answer:

The adjusting entry for office supplies on March 31 is:

Dr Cr

Supplies Expense 250

Office Supplies 250

Step-by-step explanation:

850+450-1,050 = $250

Beginning Supplies $ 850

Add:Purchase during the month $450

Total Supplies Available $ 1,300

Less: Ending Supplies in hand $ 1,050

Supplies Expenses for March $ 250

5 0

3 years ago