oriannamaramara oriannamaramara

15-03-2018
Mathematics

contestada

The probability that you randomly select a red marble from a group of 40 marbles is 7/20. how many are red marbles

Respuesta :

ruhibreddy ruhibreddy

15-03-2018

Since probability is number of red by the total number, we need to set the fraction to have a denominator of 40:

7/20 * 2/2
14/40

So, there are 14 marbles.

Hope this helps!

Answer Link

Otras preguntas

Continuous improvement is an operations concept developed in Germany Sweden Japan Canada the United States

The genetic code is carried by the _____ molecule in most organisms. chromosomal DNA guanine hereditary

what is $15.60 - $11.70 in in percent

oxidation in a sentence

Growing up leads to a discovery of one's true self. Which tone would best advance the theme? ironic pessimistic nostalgic bitter

Britain and France signed an entente and became the a. Central Forces. c. Central Powers. b. Allied Forces. d. Axis Powers.

a box of marbles can be shared equally among 6,7,or 8 students with 4 marbles left over each time.what is the least possible number of marbles In the box?

Animal cells have all of the following except A. mitochondria. B. chloroplasts. C. a nucleus. D. Golgi apparatus.

An interest in supervising other workers would be useful for someone who wanted to become an office manager or warehouse manager?

why did spain support columbus voyages of exporation