A company started mining tin on 1st January 2019 A model to find the total mass of tin is given by T = 1200 - 3(n - 20)2
where T is the total mass of tin mined in the n years after the start of mining. Calculate the mass of tin that will be mined in 2023.

6, 10

9, -13

12, -21

18, -23

step-by-step explanation:

you just add 6 to the x-coordinate and subtract 10 from the y-coordinate.

60°

step-by-step explanation:

the measure angle of c in an isosceles triangle abc is 60° because in isosceles triangle,the measures of all the angles is 60°.

that one look

step-by-step explanation:

answer by jkismyhusbandbae:

a) how close a measured value is to the actual (true) value.

  measure of length.   there are 12 inches in a foot, and 36 inches in a yard.   one inch is exactly 2.54 centimeters.

accuracy is how close something is to an actual answer but it is not exactly correct.