Plz help 1 through 5!!!!
1 answer:
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Correct option is D) -0.6.
<u>Step-by-step explanation:</u>
We have . Also, we know that
. Let's find out value of
using above formula:
⇒
⇒
⇒
⇒
⇒
But we know that cos is negative in third quadrant , Therefore
.
Hence, correct option is D) -0.6.
Answer:
4 h
Step-by-step explanation:
The resting spot was at the 8 mi mark.
When Stacey reached the 16th mile, they had covered
16 mi - 8 mi = 8 mi
They took 2 h for every 1 h, so
It may be easier to do this calculation on a number line. Each jump of 2 mi represents 1 h, and there are four jumps, so they took four hours.
