Answer:
7, 13 3,7 17,3 13,2
Step-by-step explanation:
Area of a circumference=π*r²for diameter=21.2 cm---------> r=10.6 cmA=π*10.6²--------> A=π*112.36 -------> A=352.81 cm²if 2π radians (full circumference) has an area of -----------------> 352.81 cm² 3π/5 radians-------------------------------------> XX=[(3π/5)*(352.81)]/2π---------> X=105.84 cm²
Answer:
Step-by-step explanation:
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Hello:
x²-4x-1=0
(x²-2(2x) +2²)-2²-1=0
(x-2)² -5 = 0
(x-2)²-(<span>√5)² = 0
(x-2-</span>√5)(x-2+√5) = 0
(x-2-√5=0) or (x-2+√5 = 0)
x=2+√5 or x =2-√5
Salutations!
<span>Round 287.9412 to the nearest tenth.
Lets solve this!
To round to the nearest tenth, you need to know the tenth place--------
In the number, 287.9412, nine is in the tenth place. You need also make sure whether the number next to 9 is greater than 5 or not.
</span><span>287.9412 =287.941=287.94=287.9=288=290
Thus, your answer is 290.
Hope I helped.
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