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ruslelena [56]
3 years ago
9

The width of a rectangle is half as long as the

Mathematics
2 answers:
zhannawk [14.2K]3 years ago
8 0

Answer:

20,10

Step-by-step explanation:

Dmitrij [34]3 years ago
4 0
Length=20ft
width=10ft
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The random variable X is exponentially distributed, where X represents the time it takes for a person to choose a birthday gift.
garik1379 [7]

Answer:

The probability that X is less than 32 minutes is 0.736.

Step-by-step explanation:

Given : The random variable X is exponentially distributed, where X represents the time it takes for a person to choose a birthday gift. If X has an average value of 24 minutes.

To find : What is the probability that X is less than 32 minutes?

Solution :

If X has an average value of 24 minutes.

i.e. \lambda=24

The random variable X is exponentially distributed, where X represents the time it takes for a person to choose a birthday gift.

The exponentially function is \frac{1}{\lambda}e^{-\frac{x}{\lambda}}

The function form according to question is

f(x)=\{\frac{1}{24}e^{-\frac{x}{24}}, x>0\}

The probability that X is less than 32 minutes is

P[x

P[x

P[x

Therefore, the probability that X is less than 32 minutes is 0.736.

7 0
3 years ago
PLEASE HELP ME!!!!
Contact [7]
The equation of a line that passes through (x1,y1) and has a slope of m is
y-y1=m(x-x1)


find slope

slope between (x1,y1) and (x2,y2) is
(y2-y1)/(x2-x1)
given
(-3,2) and (2,1)
slope=(1-2)/(2-(-3))=(-1)/(2+5)=-1/5


pikc a point
if we pick (-3,2)
(x1,y1)
x1=-3
y1=2

y-2=-1/5(x-(-3))
y-2=-1/5(x+3)
that is D
5 0
3 years ago
Solve the equation, and check your solution.<br> -3/5n = -9
jasenka [17]

Answer:

-15 = n

Step-by-step explanation:

5 0
3 years ago
What is the median of this set of data:593,588,540,434,420,398,390,375
devlian [24]

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427

Step-by-step explanation:

5 0
3 years ago
USE ALL THE WORK IT TAKES TO SOLVE THIS PROBLEM
Umnica [9.8K]

Answer:

x^2 + 2x = 3x+20

-3x  

x^2 - 1x = 20  

- 20

x^2 -1x -20=0

(x-5)(x+4)

x-5 =0 or x+4=0

x = 5 or x= -4

3 0
3 years ago
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