What is 3(x+3)+7x= ?
2 answers:
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Answer:
tana + tanb
Step-by-step explanation:
Using the trigonometric identities
• sin(a + b) = sinacosb + cosasinb
• tanx = , then
=
= +
= +
= tana + tanb
Answer:
The length of the sailboat is 80 feet.
Step-by-step explanation:
The function
................ (1)
models the maximum speed s in knots for a sailboat with length l in feet at the waterline.
So, using this model we have to find the length of a sailboat with a maximum speed of 12 knots.
Now, from equation (1) we get
⇒
⇒ feet (Answer)
{The value is round to the nearest foot}