Hi!
Please take a look at the answer of the picture attached.
<em>Have </em><em>a </em><em>great</em><em> </em><em>d</em><em>ay!</em>
Check the picture below, those are the x,y pairs or cosine, sine values pair.
now, this is from the Unit Circle, and therefore the hypotenuse or radius wil be 1.
so, just plug in those values... hmmm lemme do the tangent, so you see the division of two fractions.
Answer:
THE ANSWER IS D " THE COST OF MAILING 10 POUNDS OF BOOKS IS TWICE THE COST OF 5 POUNDS OF BOOKS "
The only one that wouldn't work is A
Answer:
(-infinity, 3)
Step-by-step explanation:
-3x-9 > -18
-3x>-9
when you divide by negative number switch the inequality to other side(flip the inequality)
x<3
it would be an open circle
and the arrow would be going from the open circle on 3 to the left