park a covers an area of 4,926 square kilometers. it is 1,845 square kilometer larger than park b. park c is 4,006 square kilome
1 answer:
Answer:
<em>The total area of all three parks is 16,939 square kilometers.</em>
Step-by-step explanation:
Park A is 1,845 square kilometer larger than park B. That means, park B is 1,845 square kilometer smaller than park A.
Given that, <u>park A covers an area of 4,926 square kilometers</u>.
So, <u>the area of park B will be</u>: square kilometers.
Now, park C is 4,006 square kilometers larger than park A. So, <u>the area of park C will be</u>: square kilometers.
Thus, the total area of all three parks will be: square kilometers.
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Answer:
The rate at which the distance between the two people is changing 15 seconds later is 7.28 ft/sec.
Step-by-step explanation:
Here, we note the following
Let the person walking way fom the elevator be X
Let the other person going up in the elevator be Y
Therefore after 15 seconds, their positions will be;
For X, 2 ft/sec × 15 s = 30 ft away from the elevator
For Y, 7 ft/sec × 15 s = 105 ft up in the elevator
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= 30² +105² = 11925 ft²
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Then