berrycheryy berrycheryy

13-05-2023
Mathematics

contestada

Lamps are made in a factory.
A random sample of 50 of the lamps is tested and 4 of them are found to be faulty.
A total of 4000 lamps is made in one day.
Calculate the number of these 4000 lamps you would expect to be faulty.

Respuesta :

Otras preguntas

2x-y=4 find the slope of the graph

Factor the expression completely X^2-8x+16

Find the number of sides of the regular polygon when the measure of an exterior angle is given. 1. 30° 2. 10°

How do you factor: x^3 - 8 (x cubed minus 8)

Find the least number of 6 digits which is a perfect square.?

1. Find the slope of the line that passes through the points (-3, -5) and (3, 2).

4) Use the rules of exponents to evaluate or simplify. Write without negative exponents. (bm)^-3 = ____

At the dog park their are several dogs with their owners. Counting heads, there are 12, counting legs, there are 38. How many dogs and owners are there?

A wheel 4 ft. in diameter makes x revolutions. Find x, given that the distance traveled by a point on the circumference of the wheel is 23169 ft. Round your ans

find the exact value by using a half-angle identity. sin 22.5degrees show your work. thanks!