What is the diameter or the radius?

Please help

Radius = 8.7 cm

Step-by-step explanation:

The height and hypotenuse of the triangle is provided, so all we have to do is use the Pythagorean Theorem. and this yields the answer.

true? is that what you're asking or do you mean something else?

step-by-step explanation:

the original amount doesn't ''re just looking for the time it takes for 1/2 of the substance to we have

(1/2) =)     take the ln   of both sides

ln (1/2)   = )   and we can write

ln(1/2) = ) lne     and lne   = 1     so we have

ln(1/2) = -.1092t     divide both sides by -.1092

t = ln(1/2)/-.1092 = about 6.347 days = about 6.3 days (rounded)