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nydimaria [60]
2 years ago
12

Given a sphere with radius r, the formula 4pier^2 gives

Mathematics
2 answers:
zhannawk [14.2K]2 years ago
5 0

Answer:

B.  The surface area.

Step-by-step explanation:

4πr^2 gives the surface area of a sphere.

enot [183]2 years ago
5 0

Answer: the surface area

Step-by-step explanation:

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393828294×3838383838229​
kirza4 [7]

Answer:

I think this is the answer

Step-by-step explanation:

1511664158726899051326

6 0
3 years ago
What two ratios are equivalent to 12:6?
Alex73 [517]
It would be equal to, 24:12, 36:18
5 0
3 years ago
Find the complex zeros of the following polynomial function.
GalinKa [24]

Answer:

x=\frac{-1\pm\sqrt{3}i}{2}

Step-by-step explanation:

f(x)=x^3-1

0=x^3-1

0=(x^2+2x+1)(x-1)

x-1=0

x=1 <-- Real Solution

x^2+x+1=0

x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}

x=\frac{-2\pm\sqrt{2^2-4(1)(1)}}{2(1)}

x=\frac{-1\pm\sqrt{1^2-4(1)(1)}}{2(1)}

x=\frac{-1\pm\sqrt{1-4}}{2}

x=\frac{-1\pm\sqrt{-3}}{2}

x=\frac{-1\pm\sqrt{3}i}{2} <-- Complex Solutions

6 0
2 years ago
Oscar is 16 yrs old and his sister is 12. what will be the ratio of Oscar's age to his sister's age in 2 years?Write as a fracti
just olya [345]
Oscar's age = 16
Sister's age = 12

Current year: 16 / 12
Simplest form: 4 / 3 ; both are divisible by 4.

2 years after: (16 + 2) / (12 + 2) = 18 / 14 ; add two years to both numbers.

Simplest form: of 18 / 14 is 9 / 7; both are divisible by 2.

4 0
3 years ago
Read 2 more answers
A school band is selling raffle tickets for $2 each there are 2 groups selling tickets. Each group have 4 students the tacher gi
nordsb [41]

Answer:it’s bbb

Step-by-step explanation:

4 0
2 years ago
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