combat92803 combat92803

11-04-2017
Mathematics

contestada

A box contains 10 book covers: 5 red, 2 blue, and 3 yellow. If a student randomly selects one book cover, what is the probability that the book cover he chooses will be red or blue?

Respuesta :

Blurryface25 Blurryface25

11-04-2017

the probability is 5+2/10= 7/10

Answer Link

Otras preguntas

the work of a student to solve a set of equations is shown: equation a: y = 15 − 2z equation b: 2y = 3 − 4z step 1: −2(y) = −2(15 − 2z) [equation a is multiplie

You need to measure three things: 1. a quantity of water 2. the length of a leaf 3. the mass of a small stone Which unit of metric measurement will you use fo

What agreement has the goal of stopping the loss of biodiversity? the kiev resolution the kyoto protocol the montreal plan the soviet doctrine

Consider this population data set: 4, 6, 7, 11, 12, 18, 26, 23, 14, 31, 22, and 12. The values 11, 31, 22, and 12 constitute a random sample drawn from the data

may someone help me out with this please some people up here keep on giving me the wrong answer is it anyone up here that is good in math may you please help me

Metals are used in many products because of the characteristic properties that most metals have. Which product requires the high luster of metals in order to wo

Can someone help me doing this differential equation? y''-2y'+y=2e^x

Scientific consensus supports the idea that living organisms require oxygen. Then, a scientist discovers a type of bacteria that metabolizes sulfur instead of o

What is the square root of 12500?

evelyn goes to a middle school that includes grades 6, 7, and 8. she wants to estimate the percentage of students in the school who ride the bus to school. she