Answer:
A. 27
Step-by-step explanation:
There are 40 students and 90% of them take exams
(40 students) * (0.9) = 36 students took exams
Of those 36 students, 75% (or 3/4) of them passed. Assuming passing exams means graduating:
(36 students) * (0.75 ) = 27 students graduated
Let
°
°
°
°
we know that
The interior angles formed by the sides of a quadrilateral have measures that sum to 360°
so
°

therefore
the answer is

Answer:
Denote O as center of circle, draw OA, OC.
As property of tangent line from outside of circle (angle OAD = angle OCD = 90 deg):
=> AOC + D = 180
Moreover, angle AOC = 2 x angle B = 2 x 65 = 130
=> D = 180 - 130 = 50 deg
Hope this helps!
:)
Answer: 40
Step-by-step explanation:
Given
Jar contains 200 old dimes
Chances to pick the 1960s is 20% i.e. 1960s is 20% of 200 old dimes
So, we can write

Answer:
Penelope can read 6 pages in 5 minutes.
Step-by-step explanation:
You would use the equation 1.2x = P
P=how many pages x=how many minutes
1.2(5) = 6
She can read 6 pages in 5 minutes