Luminosity and brightness of an object can be used to calculate its distance from us with the equation d=1 Ant
where d' is the distance in meters from
the object, L is the luminosity in watts (w), and b is the apparent brightness
w
measured in
If the luminosity of a lightbulb is 100 W and the brightness is
measured to be 0.01 what is the distance to the lightbulb?
m
Round to the nearest tenth of a meter.
w
3 of 6 QUESTIONS
28.2 m
354.5 m
8.Om
0.9 m

Jonathan pays $1.90 per pound for potatoes. he buys 8.3 pounds of potatoes. he determines that he will pay $15.77, before tax, for the potatoes. which best describes the reasonableness of jonathan’s solution? jonathan’s answer is reasonable because there are two decimal places in the factors and two in the product. jonathan’s answer is unreasonable because there are three decimal places in the factors and two in the product. jonathan’s answer is reasonable because is 16, and 16 is close to 15.77. jonathan’s answer is unreasonable because is 8, and 8 is not very close to 15.77.

Giuseppi's pizza had orders for $931.00 of pizzas. the prices were $21 for a large pizza, 514 for a medium pizza, and $7 for a small pizza. the number of large pizzas was two less than four times the number of medium pizzas. thenumber of small pizzas was three more than three times the number of medium pizzas. how many of each size of pizza were ordered?

Which of the following is most likely the next step in the series? a3z, b6y, c9x, d12w, е15v, f18u