Rectangle A B C D ABCDA, B, C, D is graphed in the coordinate plane. The following are the vertices of the rectangle: A ( − 8 , − 6 ) , A(−8,−6),A, left parenthesis, minus, 8, comma, minus, 6, right parenthesis, comma B ( − 3 , − 6 ) B(−3,−6)B, left parenthesis, minus, 3, comma, minus, 6, right parenthesis, C ( − 3 , − 4 ) C(−3,−4)C, left parenthesis, minus, 3, comma, minus, 4, right parenthesis, and D ( − 8 , − 4 ) D(−8,−4)D, left parenthesis, minus, 8, comma, minus, 4, right parenthesis. Given these coordinates, what is the length of side A B ABA, B of this rectangle? units

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)

the answer is su.k.my? ? co.kc

we have three similar triangles, because each has a right angle and shares an angle.   let's write the angles in order: opposite to short leg, long leg, hypotenuse.

cab similar to bad similar to cbd

or as ratios,

ca: ab: cb = ba: ad: bd = cb: bd: cd

we also know

ac = ad + cd

(ad+cd): ab: cb = ba: ad: bd = cb: bd: cd

(ad+cd)/cb=cb/cd

we have cb=6, ad=5 and seek x=cd.

we reject the negative root and conclude x=4

answer: 4