greenbluehazel23 greenbluehazel23

11-11-2019
Mathematics

contestada

The electrical resistance of aire is directly proportional to its length. If a 45-foot long wire has a resistance of 9 ohm(s), find the resistance of a 75-foot long wire.
What is the resistance?
ohms

Respuesta :

11-11-2019

The resistance is proportional to the length.
You know that 45/9=5
So the ratio (proportionality) is 5.
So, for a 75 ft wire, the resistance is 75/5 = 15 ohms

Answer Link

Otras preguntas

In which treaty did Russia give up possession of Finland, Estonia, and other countries? A. The Bolshevik Treaty B. The Marne Treaty C. The Treaty of Brest-Litov

Simplify the expression (2+5i)(-1+5i)

How do u multiply 124 times 17

the population of a city is expected to increased by 7.5%next year. If p represents the current population, which expression represents the expected population

During Sonia's trip across the country, she traveled 2,884 miles. Her trip took 7 days. Find the unit rate to represent the average miles she traveled per day d

A school of minnows living in the same environment would represent which of the following? A- a community B- an organism C- an ecosystem D- a population I say A

HELP PLEASE! Robert needs to cut four shelves from a board that is 2.5 meters long. The second shelf is 18 centimeters longer than twice the length of the first

What dinosaur is found on almost every continent?

Which of the following correctly matches the nitrogenous bases for the bottom strand of DNA? Note: Work from left to right. acgtac GTACGT ACGTAC TGCATG CATGCA

These pairs of forces are known as __________ reaction pairs because one pushes against the other with an equal but opposite force.