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elena-s [515]
3 years ago
11

A box contains 6 red marbles, 4 green marbles, 3 blue marbles, and 2 yellow marbles. If one marble is chosen at random, what is

the probability that it will be blue?
The probability that the marble is blue is (blank)
. (Enter only the decimal.)
Mathematics
1 answer:
blondinia [14]3 years ago
3 0

Answer:

0.2

Step-by-step explanation:

6+4+3+2=total no of marble

=15

no of blue marble 3

\frac{3}{15}  \\  =  \frac{1}{5 }  \\  = 0.2

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Find the equation of the line through the given pair of points in standard form using only integers and the smallest possible po
denis23 [38]

Answer:

The standard equation is 5y+9x=-56.

Step-by-step explanation:

Consider the provided points.

To find the standard equation of line use two point slope form.

(y-y_1)=\frac{y_2-y_1}{x_2-x_1}(x-x_1)

Substitute \left(x_1,\:y_1\right)=\left(-4,\:-4\right),\:\left(x_2,\:y_2\right)=\left(-9,\:5\right) in above formula.

(y-(-4))=\frac{5-\left(-4\right)}{-9-\left(-4\right)}(x-(-4))

(y+4)=\frac{9}{-5}(x+4)

(y+4)=-\frac{9}{5}(x+4)

5y+20=-9x-36

5y+9x=-36-20

5y+9x=-56

Hence, the standard equation is 5y+9x=-56.

3 0
3 years ago
The heights of adult men in America are normally distributed, with a mean of 69.8 inches and a standard deviation of 2.69 inches
Murljashka [212]

Answer:

Step-by-step explanation:

Let X be the heights of adult men in America and Y that of women in America

X is N(69.8, 2.69) and Y is N(64.8,2.53)

a) Man is 6 feet 3 inches = 75 inches

Z score = \frac{x-69.8}{2.69} \\=\frac{-5}{2.69} \\=-1.86

b) Prob = 0.5-0.4686 = 0.0314

3.14% are shorter than him

c) Y score = 5 ft 11 inches = 71 inches

Z=\frac{x-64.8}{2.53} \\=2.45

d) Prob (Z>2.45) = 0.5-0.4929=0.0071

Nearly 0.71% people are taller than 5 ft 11 inches.

8 0
3 years ago
1\6 is it Greater than our less than 4\8?
Igoryamba
It is less 100% sure 
4 0
3 years ago
Read 2 more answers
How many minutes are there in<br> 5/8 of 3 hours
diamong [38]
112.5 minutes

Since there are 60 minutes in 1 hour so multiply that by 3 and you get 180 minutes
180➗8=22.5
22.5✖️5= 112.5 minutes

Hope this helps! :3
8 0
3 years ago
Read 2 more answers
HELP ASAP!!! ILL GIVE BRAINLIEST!
maksim [4K]

Answer:

2841 no votes

Step-by-step explanation:

3 0
3 years ago
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