Answer:
t=15/4 or 3.75
Step-by-step explanation:
t x 3/15 =3/4
t x 3/15 ÷3/15 = 3/4 ÷3/15 (Divide each side by 3/15)
t= 3/4 x 15/3
t=15/4 or 3.75
Answer:
Step-by-step explanation:
total time is 5 hr and total distance is 72 nautical miles
Answer:
-5 or 5 depending on how you write the simplified form
Step-by-step explanation:

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The applicable rules of exponents are ...
(a^b)(a^c) = a^(b+c)
1/a^b = a^-b
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Some folks like their simplified form to contain only positive exponents. Other folks avoid unnecessary fractions. Choose the form that satisfies your grader.
Use trigonometry
sin 42 = a / 21
a = 21 sin 42 = 14.05
3.16227766017 because I did the math and yea I think that’s correct