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FrozenT [24]
3 years ago
12

((3^3 - 7) • 5)/10 + ((1+3+6+9)-10)

Mathematics
1 answer:
jasenka [17]3 years ago
3 0

Answer:

19

Step-by-step explanation:

(33−7)(5)/10+1+3+6+9−10

= (27−7)(5)/10+1+3+6+9−10

= (20)(5)/10+1+3+6+9−10

= 100/10+1+3+6+9−10

=10+1+3+6+9−10

=10+4+6+9−10

=10+10+9−10

=10+19−10

=10+9

=19

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Answer:

Option A. The volume of the sphere is multiplied by 1/343.

Step-by-step explanation:

The volume of a sphere can be obtained by the following formula:

V = 4/3πr^3

Let the initial volume (V1) of the sphere be:

V1 = 4/3πr^3 = (4πr^3)/3

Now, if we multiply the radius by 1/7, then the new volume (V2) of the sphere will be:

V2 = 4/3 x π x (1/7r)^3

V2 = 4/3 x π x 1/343r^3

V2 = (4πr^3)/1029

Now we determine the ratio of V2 : V1 as shown below:

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V2/V1 = 3/1029

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