-30/49 would be my answer to this. hope this helps!
Answer:
B. Set the alpha level at 0.05.
Step-by-step explanation:
Hypothesis testing is a procedure whereby a researcher determines if the null hypothesis is rejected or accepted, depending on the significant level or the alpha level. When a type I error is made, the null hypothesis is rejected even though it is correct. To solve this problem, the significant or alpha level is set to 5% or 0.05.
Answer:
B = 64° , C = 26°
Step-by-step explanation:
2x+x-6+90 =180
3x + 84 = 180
3x = 180 - 84
3x = 96
x = 32°
B = 2x
B = 2 * 32
B = 64°
C = x - 6
C = 32 - 6
C = 26°
The answer is -72. I added an attachment below for the steps.
Answer:
117
Step-by-step explanation:
8×9=72
72+45=175
this is why the answer is 117