Question

Can someone help please?

Answer 1

HI!!

Answer 2

you know how to find the slope of a line?

Answer 3

hey

Answer 4

yes, but I'm doin something wrong

Answer 5

probably your the sign, it should be negative since the time is getting shorter

Answer 6

should it be\[\frac{ 3.81-3.91 }{ 1960-1980}\]

Answer 7

in 20 years it goes from \(3.91\) to \(3.81\) a decrease if \(0.10\)
divided by 20 you get \(-0.005\)

Answer 8

something wrong with your slope, should be \[\frac{3.81-3.91}{1980-1960}\]

Answer 9

at any rate it has to be negative

Answer 10

It says its wrong

Answer 11

that is because your answer is not supposed to be a slope, it is supposed to be the equation of a line

Answer 12

since 1960 is the starting point, the y intercept is \(3.91\) so your equation should be \[y=-0.005x+3.91\]

Answer 13

actually you are supposed to use \(t\) so \(-0.005t+3.91\)

Answer 14

it says thats wrong

Answer 15

no wait i was supposed to use t instead of x

Answer 16

thx though