A submarine started at a depth of 150 below sea level and descended 355 feet what is the new depth of the submarine?
1 answer:
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First get the tangent vectors by differentiating r1 and r2
Evaluate at t=0
Use identity for angle between 2 vectors:
Evaluate dot product and unit vectors:
Sub into identity and solve for theta:
Answer:
Angle of intersection is about 79 degrees.
Evaluate at t=0
Use identity for angle between 2 vectors:
Evaluate dot product and unit vectors:
Sub into identity and solve for theta:
Answer:
Angle of intersection is about 79 degrees.
Answer:
3) ,
Step-by-step explanation:
Given that the explicit rule for a sequence is .
Now we need to find about what is the recursive rule for the sequence and match with the given choices to find the correct choice.
1) ,
2) ,
3) ,
4) ,
Plug n=1 into given formula to get first term
base of the exponent part is (-2) so that means we need to multiply -2 to the previous term to get nth term
Hence correct choice is: 3) ,