Answer:
B, C, and D.
Step-by-step explanation:
All you have to do is substitute 8 in these equations for the easy answer.
A) 8 + 11 = 15 (False, it equals 19)
B) 1 = 8 / 8 (True)
C) 15 + 8 = 23 (True)
D) 42 = 7(8) (False, 7 times 8 equals 56)
E) 8 - 5 = 3 (True)
Answer:
Step-by-step explanation:
1. -√(4/9)
2. -0.8
3. -1/6
answer is C
Answer:
no
Step-by-step explanation:
The ratios of the two shortest sides are different:
3/2 ≠ 5/4
so the quadrilaterals cannot be similar.
Answer:
The 4th term in the sequence is -8.
Step-by-step explanation:
The nth term of the sequence B is given by:
![B(n) = (-2)^{n-1}](https://tex.z-dn.net/?f=B%28n%29%20%3D%20%28-2%29%5E%7Bn-1%7D)
So the fourth term will be given by:
B when n = 4, that is, B(4).
![B(4) = (-2)^{4-1} = (-2)^{3} = -8](https://tex.z-dn.net/?f=B%284%29%20%3D%20%28-2%29%5E%7B4-1%7D%20%3D%20%28-2%29%5E%7B3%7D%20%3D%20-8)
The 4th term in the sequence is -8.
3x + 2y + y - 3x = 180
3y = 180
y = 180/3
y = 60
3x = y - 3x
Let y = 60
3x = 60 - 3x
3x + 3x = 60
6x = 60
x = 60/6
x = 10
Answer: x = 10, y = 60