See the equation they want you to use. factor to make it like that.
9 is 3^2 and 16 is 4^2
x^6 is (x^3)^2
so for the answer. factor each term
9x^6 = (3x^3)^2
16y^6 = (4y^3)^2
see that "a" is 3x^3 and "b" is 4y^3 ? put it all together
= (3x^3 - 4y^3)(3x^3 + 4y^3)
Answer:
Regular hexagon =720
Regular octagon=1080
Step-by-step explanation:
The formula is (n-2) x 180, «n» is the side number of the polygon
The first one
So (n-2) x 180
(6-2) x 180
4 x 180
720
And the second polygon
(n-2)x 180
(8-2) x 180
6 x 180
1080
Answer:
5/19
Step-by-step explanation:
Marbles=20
So the probability of choosing not yellow is 10/20=1/2.
Marbles are not replaced.
The total number is 19
The probability of choosing yellow is 10/19
So the final answer is (1/2)*(10/19)=5/19.
hope this helps
Step-by-step explanation:
A={3,4,7,9}
B={8,9,10,11}
now,
AUB={3,4,7,9}U{8,9,10,11}
={3,4,7,8,9,10,11}
hope it helps.
Answer:3
Step-by-step explanation: