Answer:
210
Step-by-step explanation:
you can do 200 + 10 = 210
You can also do 200 + 1 x10
If David practiced for 23 hours on Monday and 1 hour on Wednesday, he would have practiced 22 hours longer on Monday.
Good luck!
5 milligrams are equal to .005 grams.
Answer:
tan (A-B) = ± 4/3
Step-by-step explanation:
COS (A-B) = 3/5
COS² (A-B) = (3/5)² = 9/25 = 1 - sin² (A-B)
sin² (A-B) = 1 - 9/25 = 16/25
sin (A-B) = ± 4/5
tan (A-B) = sin (A-B) / cos (A-B) = (± 4/5) / (3/5) = ± 4/3