Answer:
3√15/4
Step-by-step explanation:
sin x = 2/8
- from the trigonometric rule sin²x+cos²x = 1
- cos²x = 1-sin²x
sinx = 2/8
sin²x = (2/8)² = 2²/8² = 4/64
1- sin²x = 1-4/64 = 64 -4/64 = 60/64 = 15/16
cos x = √(15/16) = √15 /4
3 x cos x = 3 x √15/4 = 3√15/4
The area of each face is 25 cm
Answer:
The answer is B
Step-by-step explanation:
The opposite of the opposite of the number is the number itself
-(- turns positive
Answer:
she must save $16.54 a week
Step-by-step explanation:
860/52 to get the amount of money per week, which ends at 16.538
Lol this is what I am doing to earn points