Answer:
<u>8 minutes</u>
Step-by-step explanation:
Jill jogs 3/4 of a mile in 1/10 hour.
⇒ 3/4 of a mile takes <u>6 minutes</u>
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For one mile :
- 3/4 mile x 4/3 : 6 x 4/3 minutes
- 1 mile : 2 x 4 minutes
- 1 mile takes <u>8 minutes</u>
Answer:
1 hour and 17 minutes and 7 sec
Step-by-step explanation:
.
Cosine Rule again:-
cos A = (9^2 - 6^2 - 14^2) / (-2*6*14)
= 0.8988
m < A = 26 degrees