$4.47 is the required cost.
Answer:
833,334
Step-by-step explanation:
You just divide
A=πr²
pool=π(y-4)²=π(y²-8y+16)
total=π(y+4)²=π(y²+8y+16)
walkway=total-pool
walkway=π(y²+8y+16)-π(y²-8y+16)=
π(y²+8y+16-y²+8y-16)=
π(16y)=
16πy
first option is answer
<span>Step 1: 0.4 = 4⁄10</span>
<span>Step 2: Simplify 4⁄10 = 2⁄5</span>
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</span>
Answer:
Step-by-step explanation:
Rule for 180 rotation: (x,y) becomes (-x,-y)
So (6,-9) becomes (-6,9)
