If you had the hypotenuse and one of the legs you could subtract the to using Pythagorean theorem. you cant answer the question unless you have another leg or a degree or a right triangle. <span />
Answer:
0,1,2,3
Step-by-step explanation:
Complementary angles add up to 90 so
angle + 47 = 90
angle = 90 - 47
angle = 43 so A
Answer:
The half-life of a radioactive isotope is 140 How many days would it take for the decay rate of a sample of this isotope to fall to one-fourth of its initial value?
Step-by-step explanation:
