Use the following information for the question. the average travel time to work for a person living and working in kokomo, indiana is 17 minutes. suppose the standard deviation of travel time to work is 4.5 minutes and the distribution of travel time is approximately normally distributed.1.) approximately what percentage of people living and working in kokomo have a travel time to work that is at least 20 minutes? round to the nearest whole percent. ) 15% b) 25% c) 75% d) none of these

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

probably the last option

step-by-step explanation:

faster, im not sure why but i know it is faster

for this case we have that by definition, the surface area of a cylinder is given by:

where:

r: it is the radius of the cylinder

h: it is the height of the cylinder

we can also rewrite it as:

where:

la: it's the lateral area

ba: area of the base

option a