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:
One Solution
Step-by-step explanation:
x + 3y = 3
x - y = -3
4y = 6 Subtract to solve by elimination.
y =
Divide by 4.
x -
= -3 Substitute
for y in the original equation.
x = -
Add
.
2/3x +10.4 Is the answer to this question.
Answer:
6. SAS Postulate
5. ASA Postulate
Step-by-step explanation:
Answer:
x=130
Step-by-step explanation:
triangle=180
180-34-96=50
line=180
180-50=130