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Fantom [35]
3 years ago
10

A NASA mathematician used a system of equations to determine the point in space where a satellite crossed paths with a massive p

iece of space debris. How many equations did he need? And how many variables were needed to find the exact location in space?
A) 3 equations with 2 variables

B) 2 equations with 2 variables

C) 2 equations with 3 variables

D) 3 equations with 3 variables
Mathematics
1 answer:
nikitadnepr [17]3 years ago
8 0

Answer:

Option D.

3 equations with 3 variables

Step-by-step explanation:

The coordinates of a point in space must necessarily have 3 components. One to describe the distance on the x axis, another to describe the distance on the y axis to the point, and a third to describe the distance on the z axis.

If we have three variables, then 3 equations are needed to solve the system. With less than 3 equations it would be impossible to solver the system.

Therefore the correct answer is option D.

3 equations with 3 variables

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Answer:

D, D, G, G,

Step-by-step explanation:

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2nd. Decay:This is decay because number being multiplied is less than 1.

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4th.Growth:This is growth because the number being multiplied is greater than 1.

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Combine like terms.<br><br> y + 3 + 9(y + 5) =
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Answer:

The answer is 10y + 48.

Step-by-step explanation:

First you have to get rid of brackets by expanding :

y + 3 + 9(y + 5) \\  = y + 3 + 9y + 45

Next you have to collect like-terms :

y + 3 + 9y + 45 \\  = 10y + 48

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What is the mean of 7, 10, 13, 4, 12, 21, 10, 3
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The mean is

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