The formula for the area of a rhombus is a = a equals startfraction one-half endfraction d 1 d 2.d1d2, where d1 and d2 are the lengths of the diagonals.

which are equivalent equations? select two correct answers.

d1 = 2ad2
d1 = d 1 equals startfraction 2 a over d 2 endfraction.
d2 = d 2 equals startfraction d 1 over d2 a endfraction.
d2 = d 2 equals startfraction 2 a over d 1 endfraction.
d2 = 2ad1

2men and 7 boys can do a piece of working 4 days. it is done by 4 men and 4 boys in 3 days how long would it take for 1man or one boy to do it alone

Refer to the table below if needed. second quadrant third quadrant fourth quadrant sin(1800- - cos(180° -) tan(180°-e) =- tane cot(1800-0) 10 it to solo 888 sin(180° +c) = - sine cos(180° +) =- cose tan(180° +c) = tane cot(180° +o) = cote sec(180° + c) = - seco csc(180° +2) = - csce sin(360° -) =- sine cos(360° -) = cose tan(360° - e) =- tane cot(360° -) = -cote sec(360° -) = seco csc(360° -) = csco sec(180° -) = csc(180° -) = csca 1991 given that sine = 3/5 and lies in quadrant ii, find the following value. tane

Marlow is comparing the prices of two trucks rental compaines company a charges $3 per hour and an addtional $75 as serivce charges company b charges $2 per hour and an additional $85 as serivce charges