cameronsmith04oso71o cameronsmith04oso71o

06-07-2017
Mathematics

contestada

A change jar holds 36 nickels, 30 dimes, and 15 quarters. What is the probability that a nickel will be drawn first and then a dime (without replacement)?
A. 40/243
B. 22/27
C. 1/6
D. 1/12

Respuesta :

musiclover10045 musiclover10045

06-07-2017

36+30+15 = 81 total coins

36/81 reduces to 4/9 for a nickel

30/80 reduces to 3/8 for a dime

4/9 x 3/8 = 12/72 reduces to 1/6 probability

Answer Link

Otras preguntas

Jane can run 1000 m in 4 minutes. At that rate, how far would she run in 3 minutes?

Using leavening agents, such as baking soda, to help baked goods rise during baking is an example of a(n) _______. a. direct additive b. indirect additive c.

God must exist for there can be no other explanation for the order and complexity of the world. Some say there is no proof, but to me the proof is all around us

The intense heat from Earth's interior that warms the magma beneath Earth's surface is called?

Which of the following led to the most sectional strife over slavery in the first half of the 19th century? a)the election of Andrew Jackson b)the Missouri Comp

_____ text often provides a strong visual appeal.

Thomas records the masses of several rocks as 7.40 g, 7.85 g, 7.60 g, and 7.40 g. What is the mode of Thomas’s data set?

In a work of fiction, where is the best place to look for supporting details that indicate the theme?

Sally works for Mailworks stuffing envelopes. She is paid $0.20 for each mailing she completes. How much does she earn for a week in which she stuffs 523 envelo

Which of the following is an example of a body-centered cubic cell?