The formula for area of a rhombus is a=1/2d1d2, where d1 and d2 are the lengths of the diagonals.
which are equivalent equations?
d1=2ad2
d1=2a/d2
d2=d1/2a
d2=2a/d1
d2=2ad1

What is x and y (use substitution? ) 5x+3y=38 and y=3x+8?

He amount of carbon-14 present in animal bones t years after the animal's death is given by p(t)equals=upper p 0 e superscript negative 0.00012097 tp0e−0.00012097t. how old is an ivory tusk that has lost 26% of its carbon-14?

Question: what is the value of x 4x-2= (-7) +5x. it would be greatly appreciated if someone could actually explain to me step by step