Answer:
I belive the first one is 5:7 And the second one is 7:12
Step-by-step explanation:
Answer:
cos K = 12/13
Step-by-step explanation:
cos theta = opposite side/ hypotenuse for a right triangle
cos K = 12/13
Answer: x=1.32
Hope this helps!
Answer:
Its 90
Step-by-step explanation:
Answer:
The original price of the book was $12.50
Step-by-step explanation:
3x - 0.2(3x) + 10 = 40
30x - 2(3x) + 100 = 400
30x - 6x + 100 = 400
24x + 100 = 400
24x = 300
x = 12.50