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Semenov [28]
2 years ago
13

Help ASAP !! I need this done !! Bye 12:50 pm !

Mathematics
1 answer:
PIT_PIT [208]2 years ago
8 0

Answer:

12. 1/4= 0.25 and 20/100÷20/20= 1/5 =0.20

Hence 0.25 =/ 0.20

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Spherical ball of lead has a diameter of 5.5 cm . what is the mass of the sphere if lead has a density of 11.34 g/cm3? (the volu
umka21 [38]
To know the mass of the sphere given the density , we first define density as

D = Mass / volume

now we have a value of density but doesn't have volume so we compute for it using the given radius 5.5 cm

V = <span>(4/3)πr^3 

so 
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<span>Hope my answer would be a great help for you.    
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3 years ago
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₇P₅ is a permutation. you can find this setting in the statistics menu of your scientific calculator (i think).

If you don't have a scientific calculator, you can use the following formula:

nPr = \frac{n!}{(n - r)!}

₇P₅  = \frac{7!}{(7 - 5)!}

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     = \frac{7 * 6 * 5 * 4 * 3 * 2!}{2!}

     = 7 * 6 * 5 * 4 * 3

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Answer: C

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Step-by-step explanation:

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