He table shows a proportional relationship between the distance a snail travels and the time it takes. what is the proportionality constant in centimeters per minute? time (minutes) distance (cm) 5 27.5 12 66 15 82.5 5.5 15 55 135.5

5.5cm/mins

Step-by-step explanation:

According to the table, it can be inferred that distance travelled by the snail is directly proportional to the time taken.

Let x be the distance travelled by the snail and y be the time taken.

Mathematically, x ∝ y

x = ky where k is the proportionality constant.

k = x/y

x1/y1 = x2/y2 = k

If x1 = 27.5, y1 = 5

If x2 = 66, y2 = 12

Substituting this values we have:

27.5/5 = 66/12 = 5.5

This shows that the proportionality constant is 5.5cm/min

step-by-step explanation:

i have done this all on a piece of paper but idk how to put it on here cuz it needs to be drawn

step-by-step explanation:

i found the life tables for the year 2012. 

life table of males at age 30. probability of dying between ages x and x+1

total population:  

29–30 . . . . . . . . . . . . 0.001030

30–31 . . . . . . . . . . . . 0.001061

males:  

29–30 . . . . . . . . . . . . 0.001420

30–31 . . . . . . . . . . . . 0.001448

white population

29–30 . . . . . . . . . . . . 0.001005

30–31 . . . . . . . . . . . . 0.001037

white males

29–30 . . . . . . . . . . . . 0.001372

30–31 . . . . . . . . . . . . 0.001399

non hispanic white population

29–30 . . . . . . . . . . . . 0.001083

30–31 . . . . . . . . . . . . 0.001116

non hispanic white males

29–30 . . . . . . . . . . . . 0.001477

30–31 . . . . . . . . . . . . 0.001503

jacob, non hispanic white male. 30 years old.

probability that jacob lives to be 30 years old. 

since the given probabilities are probabilities of dying, i think we simply subtract it from 1 to get the probability of living. we will use the probability of non hispanic white male.

                                          probability of living to be 30 y.o.

29 - 30 : 1 - 0.001477 = 0.998523

30 - 31 : 1 - 0.001503 = 0.998497