Answer: 15 boys
Explanation: ratio 5:7
5 + 7 = 12
Number of boys = 5/12 × 36
We are asked to find the principal value of
cos ⁻¹ (0.69)
which is just the least positive angle
cos ⁻¹ (0.69) = 46.37°
Other values of
cos ⁻¹ (0.69) is
46.37° - 180° n
where n is a whole number
Answer:
1. 3.6 times 10 -4 2. 800;0 the last one is 7.92 times 10 7
Step-by-step explanation:
.
Improper fraction.
hope it would help
Answer:
very much do not know
Step-by-step explanation:
