Answer:
Option C
Step-by-step explanation:
The chi square test of independence is used to determine if there is a significant association between two categorical variables from a population.
It tests the claim that the row and column variables are independent of each other.
The degrees of freedom for the chi-square are calculated using the following formula: df = (r-1) (c-1) where r is the number of rows and c is the number of columns.
Answer:
11.4
Step-by-step explanation:
You find the square root
Answer:
See below.
Step-by-step explanation:
1. Given.
2. Given
3. Definition of angle bisector.
4. BD ⊥ AC
5. They are both right angles.
6. This is common on to both triangle ABD and CBD.
7. Congruent by 2 angles and the corresponding side ( ASA?)
8. CPCTC
9. Definition of an isosceles triangle.
5/6x = 5/14
x = 5/14 * 6/5
x = 30/70 reduces to 3/7
check...
5/6(3/7) = 5/14
15/42 = 5/14
5/14 = 5/14 (correct)
so x = 3/7
Answer:
-78
Step-by-step explanation:
Simplify -6 1/2 to -13/2
Then multiply by 12
-13/2 x 12/1= -156/2
Simplify -156/2 to -78
<em>Hopes This Helps :)</em>
