2. Is the triangle below a right triangle? Justify your answer.
39
31
35

No

Step-by-step explanation:

39 + 31 + 35 = 105

Yes the triangle below is a right triangle. The triangle is a right triangle because of the 90 degree angle.

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)

true

step-by-step explanation: