Answer:
5
Step-by-step explanation: i think its right but you need to add the 5 and 7, and i divided it by the amount total, :)
Answer:
"increased by 3" becomes: 2n+3 ... To solve, first subtract 3 and n from each side of the inequality to solve for n while keeping the inequality ... Any number less than −7 will make this inequality true
Step-by-step explanation:
my birthday is in 2 days
Answer:
201
Step-by-step explanation:
6. Expand the left side:
Recall the Pythagorean identity,
which leaves us with
Recall the angle sum formula for cosine:
which gets us to where we need to be:
and we're done.
7. A. The formulas you need are
This gives
7. B. Solving for gives
which holds for
where is any integer.
7. C. Factorize as
From here, we have
which hold for
where is any integer.