(2(-2)+9(5)-5)-(6(-2)-4(5)+2)
(-4+45-5)-(-12-20+2)
(45-9)-(-32+2)
36+30
66
Answer:
B and E
Step-by-step explanation:
Because they're on the outside
Answer:
90+60=150
180-150=30
x=30
180 is the sum for an triangle and half a circle but since it give no other explanation i'm assuming its for a right triangle
Step-by-step explanation:
Step-by-step explanation:
63 is a composite number. 63 = 1 x 63, 3 x 21, or 7 x 9. Factors of 63: 1, 3, 7, 9, 21, 63. Prime factorization: 63 = 3 x 3 x 7, which can also be written 63 = 3² x 7.
Given:
Total students = 6,000
Students taking honors courses = 1,500
Students preferring basketball = 1,800
Students in both = 450
To find:
Whether the two events "taking honors courses" and "preferring basketball" are independent or not?
Solution:
Let as consider the following events.
A : Taking honors courses
B : Preferring basketball
: Both
We know that,
Using this formula, we get
Two evens are independent if
Now,
So, the events A and B are intendent because
Therefore, the correct option is D.