Vicky records the low temperature for three consecutive days. between the first and second days the temperature increased 6 degrees. between the second and third days the temperature decreased 3 degrees. on the third day the low temperature was –6º. what was the low temperature on the first day?

The first day temperature was -9°

Step-by-step explanation:

Vicky records the low temperature for three consecutive days.

We don't know the temperature on the first day.

Let assume "x" be the temperature on the first day.

Second the temperature increase by 6 degrees.

Second day = x + 6 degrees

The third day the temperature decreased by 3 degrees

Third day = x + 6 - 3 degrees

The third day temperature was given as -6°.

Therefore, x + 6 - 3 = -6

Now we have to solve for x.

Simplifying the like terms on the right hand side, we  get

x + 3 = -6

Subtracting 3 on both sides, we get

x + 3 - 3 = -6 -3

x = -9°

We took "x" as the first day temperature.

Therefore, the first day temperature was -9°

arithmetic sequence

step-by-step explanation:

given that a sequence has terms as

19, 15, 11,

this is represented on a graph

the pattern indicates that the sequence is an arithmetic sequence with i term

a=19 and common difference d =-4

any general term

thus the sequence is reduced by 4 for each successive term starting from 1 and nth term is

24-5n.

first negative term would start after 5th term

5th term =24-25< 0

from 5th term onwards the sequence would be negative.

.24

step-by-step explanation:

the probability is   .24

the first player had the highest probability of getting a silver marble

the game could be made fair by adding back the marble that was drawn after each draw