The amount of time t (in hours) it takes to complete a certain job varies inversely with the number of workers, w. the constant of variation is 28. find the time it takes to complete the job when the number of workers is 16.

1.75 h

Step-by-step explanation:

t = k/w

k = 28

t = 28/w

If w = 16,

t = 28/16

t  = 1.75 h

It will take 16 workers 1.75 h to complete the job.

b. an equilateral triangle inscribed in a circle

step-by-step explanation:

we are given the figure of two circles having a triangle inside.

now, we know that,

"when a figure is lying inside an another figure, then the outside figure is known as circumscribed figure and the figure lying inside is referred to as the inscribed figure".

as we see that, the circles are containing the triangle completely.

thus, the circles are the circumscribed figures and the triangle is the inscribed figure.

hence, we get, 'an equilateral triangle is inscribed in a circle'.