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dimulka [17.4K]

3 years ago

12

In a bag there are 2 red marbles, 3 white marbles and 5 blue marbles. Once a marble is selected, it is NOT replaced. What is th

e value of probability of selecting three blue marbles?

2 answers:

eimsori [14]3 years ago

5 0

5 out of 10 or 50% is the answer

liq [111]3 years ago

3 0

Is there any answer options before deciding that you have?
i will then provide an answer.

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1. Suppose y varies directly as x. If y = 3 when x = 15. then find x when y = 5.

KATRIN_1 [288]

Answer:

when y=3,X=15

here X is five times the value of y

so now when y= 5 then the value of X will be 25

hope you understand......

8 0

3 years ago

1- un tinaco se llena en 8 horas utilizando 4 llaves. en cuanto tiempo se llenara con 7 llaves?

svetoff [14.1K]

Answer: 4.6 horas.

Step-by-step explanation:

Podemos calcular el tiempo necesario por una llave:

si sabemos que se llena en 8 horas con 4 llaves, entonces una sola llave va a tardar 4 veces 8 horas en llenar el tinaco, es decir, una sola llave tarda:

4*8h = 32 horas

ahora, si usamos 7 llaves, el tiempo necesario va a ser un septimo de eso:

(32 h por llave)/(7 llaves) = 32/7 horas = 4.6 horas.

4 0

3 years ago

What is the sum of all integers between 123 and 2021 which end in 7? Please walk me through it w/ work.

Savatey [412]

Answer:

it will be 35720 . I hope my answer is correct

6 0

3 years ago

The length of a rectangular courtyard can be represented by (4x +3) and the width by (3x– 7). What is

love history [14]

The area is 12x^2-19x-21

4 0

3 years ago

sue stacked one box onto another. the bottom had the height of 2 1/3 feet and the top box had the height of 3 2/3 feet. how tall

Scilla [17]

Height of bottom box : - $2 \frac{1}{3} => 7/3$
Height of top box : - $3 \frac{2}{3} => 11/3$

Thus, height of two boxes =

$\frac{7}{3} + \frac{11}{3} = \frac{18}{3} => 6ft$

Happy to help chodini!

3 0

3 years ago

Read 2 more answers