Answer:
112 degrees.
Step-by-step explanation:
- as we know that the three set of forces will form a triangle, by using cosine rule, we can find the required angle.
- follow the diagram in the attachment.
- by cosine rule for
,
2*10*8*cos
= 
now, dividing both sides by 2*10*8,
cos
= -61/160
= 112.4 degrees = 112 ( appox) ( use calculator for this cos inverse function)
Answer:
B. 7 - 9i
Step-by-step explanation:
1) Remove Parentheses.
2 - 8i + 5 - i
2) Add 2 and 5.
7 - 8i - i
3) Subtract i from -8i.
7 - 9i
1.
C= 3.14 * 9
C= 28.26
The circumference is 28.3 cm......
2.
C=3.14 * (2*13)
C=3.14 * 26
C= 29.14
The circumference is 19.1 cm....
Answer:
$37,600
Step-by-step explanation:
2:4 ratio which means there is 6 parts
56,400/6 = 9,400
Mandy is the 4 as she came second in the question which said respectfully(in that order)
9,400 x 4 = $37,600
Though in all honesty I may be wrong, I haven't worked on any ratios in a longggg time