2- x= -2 y= -1 so the slope is -1/-2
3- x= 2 y= 3 so the slope is 1 1/2
i’m not sure if this is right but i’m learning this as well
Answer:
40
Step-by-step explanation:
you mutiply then take away the 2 last digits
Answer:
Domain is 0 to 50.
Step-by-step explanation:

Note: a radioactive decay constant is always negative.
time = [natural log(ending amount / beginning amount)] / k
time = ln (20 / 24) / -.00011
time = ln (5/6) / -.00011
time = -.018232155683 / -.00011
time =
<span>
<span>
<span>
165.7468698455
</span>
</span>
</span>
time =
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<span>
165.75 years
</span></span></span>
C(t)= -0.3t^2 + 7.2t - 3.2
12c = 40