The distance in miles thax the lookout of a submarine
can see is approximately
d=1.22vh, where h is the
height of the lookout above
the water. How far would a
submarine periscope have
to be above water to locate
a ship 6 miles away?

need more information

step-by-step explanation:

the graph in the attached figure

step-by-step explanation:

we have

using a graphing tool

the graph in the attached figure

the roots are ( x-intercepts) x=-0.5,x=1,x=3

the y-intercept is the point (0,3)

the ratio of grapes to blueberries she should use is 12: 3

step-by-step explanation:

if mandie is making 15 cups of fruit salad, the ratio of grapes to blueberries she should use is 12: 3.