Answer:
cos Ф = adj / hyp = √5 / 3
Step-by-step explanation:
If sin Ф is +, then Ф must be in either Quadrant 1 or Quadrant 2.
If tan Ф < 0, then Ф must be in either Quadrant 2 or Quadrant 3.
So we conclude that Ф is in Quadrant 2.
If sin Ф = opp / hyp = 2/3, then opp = 2 and hyp = 3, and adj is found using the Pythagorean Theorem:
adj = √( 3² - 2² ) = √( 5 )
With adj = √5 and hyp = 3, cos Ф = adj / hyp = √5 / 3
Answer:

Step-by-step explanation:
In order to solve for this equation we have to note a couple of things.
There is a diagonal square inside a larger square. The space formed by the smaller square not being in the larger square is a right triangle.
The side length of the smaller square (4) is also the hypotenuse of this triangle.
Since we know that the other side length of the triangle is 3, we can use the Pythagorean Theorem to find the value of b.
The Pythagorean Theorem states that
, where a and b are the legs and c is the hypotenuse.
We can substitute 3 in as a and 4 in as c and find b.




So b is
units long.
Hope this helped!
Let x be a time in hours and y be an amount of remaining entries. You have that:
- At start Ariel wants to write 8 entries for her blog. This means that x=0 and y=8 (0 entries were written). The point with coordinates (0,8) belongs to needed graph.
- After 2 hours, she has 5 entries left. This gives you that at x=2, y=5 and graph passes through the point (2,5).
- After 4 hours, she has 2 entries left. This gives you that at x=4, y=2 and graph passes through the point (4,2).
Find the slope of the line that is passing through the points
and
by formula

Thus, the slope is

Answer: graph of line going through (0, 8) with a slope of -1.5
( ( 7 + 5 ) x 6 ) + 3 = 75
Thank you very much.
You are 16 or 16 and a half about to be 17