What is the sixth term of a number pattern that begins with 185 and subtracts 15? a. 170 b. 95 c. 110 d. 125

So, the sixth term is 110

Step-by-step explanation:

We are given patter has same common difference

because each subtracted by 15

so, this is arithematic sequence

and we have

It begins with 185

so, first term is 185

now, we can use nth term formula

For sixth term , n=6

so, we can plug values

44

step-by-step explanation:

x = ±sqrt(10)

step-by-step explanation:

5 - 2x² = -15

subtract 5 from each side

5-5 - 2x² = -15-5

-2x^2   = -20

divide by -2 on each side

-2x^2   /-2= -20/-2

x^2 =10

take the square root on each side

sqrt(x^2 )=±sqrt(10)

x = ±sqrt(10)

check:

5 - 2x² = -15

+sqrt(10)

5 - 2(sqrt(10))² = -15

5 -2(10) = -15

5 -20 = -15

-15 = -15

-sqrt(10)

5 - 2(-sqrt(10))² = -15

5 -2(10) = -15

5 -20 = -15

-15 = -15