3. Find one counterexample to show that the conjecture is false: "Z1 and 22 are supplementary, so one of the angles is acute."
O
m21=39º and m2=146
O
m_1=109° and m2=71
m1=90° and mZ2=90
h
O
m1=31° and m2=59

Ascientist has 50 grams of a radioactive element. the amount of radioactive element remaining after t days can be determined using the equation (1) after two days the scientist receives a second shipment of 50 grams of the same element. the equation used to represent the amount of shipment 2 remaining after t days is 10) - 50 which of the following is an equivalent form of the expression for the amount remaining in shipment 2? what’s the answer?