Find an explicit formula for the arithmetic sequence -5, 13, 31, 49,

+18, x+18=y

Step-by-step explanation:

-5-->13-->31-->49

-5+18=13

13+18=31

31+18=49

next value in the sequence,

67

step-by-step explanation:

we are given

since, we have to isolate x on anyone side

so, we can move all x terms on one side

subtract both sides by 2x

add both sides by 9

divide both sides by 4

we get

the sum of the lengths of any two sides of a triangle is greater than the length of the third side. if you take the three sides of a triangle and add them in pairs, the sum is greater than (not equal to) the third side. if that is not true, then it is not possible to construct a triangle with the given side lengths.

step-by-step explanation: