X^2= 17^2+28^2-2(17)(28)cos91
x=33.00
Answer:a
Step-by-step explanation:
If you substitue it in for a, you get 3-1=-4, which satisfies the equation.
Answer:
I need the expressions
Step-by-step explanation:
(I don't have the experresions but I think it might be helpful to simplify)
- f - 5 ( 2 f - 3)
−f−10f+15
−f−(10f−15)
(−f−10f)+15
<u>−11f+15
</u>
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<u>Hope this helped</u>
If number 16 is the one i think it is then the answer is no. She is not 6 miles above the ground. She is 5.5 miles above the ground. There is 5280 ft in one mile. divide 29040 by 5280