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Oxana [17]
3 years ago
7

An inchworm (exactly one inch long, of course) is crawling up a yardstick (guess how long that is?). After the rst day, the inch

worm's head (let's just assume that's at the front) is at the 3" mark. After the second day, the inchworm's head is at the 6" mark. After the third day, the inchworm's head is at the 9" mark. Let d equal the number of days the worm has been crawling. (So after the rst day, d = 1.) Let h be the number of inches the head has gone. Let t be the position of the worm's tail.
Mathematics
1 answer:
Snezhnost [94]3 years ago
8 0
3d - 1 , I believe..
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Answer: strong positive correlafion between data plan size 'x' and number of text messages sent 'y'

Step-by-step explanation:

'R' in statistics is used to denote correlation Coefficient. The correlation Coefficient is a value which ranges between -1 to +1. It tells us the level of relationship or correlation which exists between the relative movement of two variables, in this case the relationship between data plan size and the number of text messages sent in the US. R value of 0 depicts that no relationship exists between the two variables, R value closer the R value is to +1 and - 1 depicts the strength of positive and negative correlation of the two variables respectively.

A R value of +0.97 in the context above, depicts a strong positive correlation between data plan size and number of text messages sent in the US. That is large data size usually corresponds to large number of text messages and vice versa.

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3 years ago
Consider a population p of field mice that grows at a rate proportional to the current population, so that dp dt = rp. (note: re
krok68 [10]
This is the concept of differential equations, given that
dp/dt=rp
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