Seudónimo Seudónimo

18-12-2014
Mathematics

contestada

The diameter of the moon is 2160 miles. A model has a scale of 1 inch : 150 miles. What is the diameter of the model?

Respuesta :

apologiabiology apologiabiology

18-12-2014

so 1:150 and x:2160
see how many times 150 will go into 2160
150 times 2=300
(skip a bit forward)
150 times 14=2100

150 times x=60
x=60/150=2/5=.4
14+.4=14.4
the diamater of the model is 14.4 inches

Answer Link

Otras preguntas

how do you: show a diagram or picture for why 1/2 of 60 is not the same as 1/2 of 24?

The sales tax in Alex's city is 7.33%. He bought a video game system for $299, and 2 games each at $49 each. What was the TOTAL bill, to the nearest tenth?

which is greater 3/7 or 7/12

Which scientific or technological advance did not take place in the first fifteen years of the twentieth century? a) Albert Einstein's theory of relativity b)

Describe a disadvantage of marsupial development.

The probability of choosing a 6 at random from a standard deck of playing cards is 1/13. Use this information for 13 and 14.13.) What is the complement of the e

How have the systems of law dating from Ancient Rome influenced the U.S. legal system

The sales tax in Alex's city is 7.33%. He bought a video game system for $299, and 2 games each at $49 each. What was the TOTAL bill, to the nearest tenth?

why do sedimentary rocks have layers?

Describe a disadvantage of marsupial development.