Answer:
4
Step-by-step explanation:
- divide each side by 4.5
- x would be left equal to 4
Answer:
42
Step-by-step explanation:
SST = ∑
(
y
−
¯
y
)
² (¯
y = mean of y values)
¯
y = (5+8+14)/3 = 27/3 = 9
∑
(
y
−
¯
y
)
² = (
5
−
9
)
² + (
8
−
9
)
² + (
14
−9
)
²
= ( −
4
)
² + ( −
1
)
² + (
5
)
²
= 16 + 1 + 25
= 42
Answer:
x<6
Step-by-step explanation:
x/2 < 7-4
x < 3*2
x<6
Answer: (x - 1)(8x +5)
Step-by-step explanation: