The area of the rectangular field is 2c^3-c^2+6 square units. If the length of the field is c-2 units , what is the width ?
2 answers:
Answer:
2c² +3c +6 +18/(c -2)
Step-by-step explanation:
The area is the product of the length and width, so to find the width, you divide the area by the length. This can be done using <em>polynomial long division</em> (shown in the first attachment) or <em>synthetic division</em> (shown in the second attachment).
The width is: 2c² +3c +6 +18/(c -2).
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Only the last step and the final result are shown for synthetic division. The previous steps are calculated exactly the same way. The number on the left is the root of the binomial you're dividing by (2, in this case).
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Answer:
The speed of the submarine is 15.429 miles per hour.
Step-by-step explanation:
Let suppose that both ships travel at constant velocities. As we know that both travel in opposite directions, it is supposed that cruise ship moves in +x direction, whereas submarine in -x direction. Kinematic equations for each sheep are described below:
Ship
Submarine
Where:
- Position of Diego Garcia island, measured in miles.
,
- Current positions of ship and submarine, measured in miles.
,
- Velocities of ship and submarine, measured in miles per hour.
- TIme, measured in hours.
If we know that ,
and
, then:
We clear now the velocity of submarine:
Speed of the submarine is the magnitude of its velocity, which is 15.429 miles per hour.
