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4 years ago

Determine the volume of a sphere with a diameter 9mm

Mathematics

1 answer:

makvit [3.9K]4 years ago

4 0

Answer:

V≈3.82×10-7m³

Step-by-step explanation:

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JulsSmile [24]

Answer:

x = 8, y = -7

in coordinate form: (8,-7)

Step-by-step explanation:

first, find x using the second equation:

x - 9 = -1

add 9 to both sides of the equation

x - 9 + 9 = - 1 + 9

x = -1 + 9

x = 8

next, substitute x for 8 in the first equation:

2x - y = 23

2 * 8 - y = 23

16 - y = 23

16 - y + y = 23 + y

16 = 23 + y

16 - 23 = y

y = -7

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Step-by-step explanation:

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