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yan [13]
3 years ago
9

A manufacturer knows that their items have a normally distributed lifespan, with a mean of 5.4 years, and standard deviation of

1.2 years.
If you randomly purchase one item, what is the probability it will last longer than 3 years?

Round answer to four decimal places
Mathematics
1 answer:
Fed [463]3 years ago
3 0

Answer: bro im sorry ion no but ima look it up lol

Step-by-step explanation: it is what it is

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Which one of the following would prove that two triangles are congruenta
White raven [17]

Answer:

Corroponding side lengths are equal

Step-by-step explanation:

Two triangles may have the same areas, but the sides might be different or in different spots than each other. The same goes for perimeter, therefore it doesn't mean that they are congruent. If two triangles had the same angle measures, it could still have any size side lengths. When corrosponding side lengths are equal, they have the same angles as well, so they are only congruent in this example.

Hope this helps :)

5 0
3 years ago
Did I do this right?
Over [174]

Answer:

it must be yes!

Step-by-step explanation:

4 0
3 years ago
What are the first five terms, a1, a2, a3, a4, a5 of the sequence defined by an= n^2-9/ n^3 and how can the sequence be describe
Valentin [98]

The first five terms of the sequence are -8, -5/8, 0, 5/64 and 16/125

<h3>Recursive form of a sequence</h3>

Given the nth term of a sequence expressed as:

an= n^2-9/ n^3

Determine the first five terms

If n = 1

a1 = 1^2-9/ 1^3

a1 = -8/1

a1 = -8

If n = 2

a2 = 2^2-9/ 2^3

a2 = -5/8

If n = 3

a3= 3^2-9/ 1^3

a3 = 9-9/3^3

a3 = 0

If n = 4

a4 = 4^2-9/ 4^3

a4= 16-9/64

a4 = 5/64

If n = 5

a5 = 5^2-9/ 1^3

a5 = 25-9/5^3

a5 = 16/125

Hence the first five terms of the sequence are -8, -5/8, 0, 5/64 and 16/125

Learn more on recursive function here: brainly.com/question/489759

#SPJ1

6 0
2 years ago
Can you help me out with this question 5 pls
Maslowich
Gives an output of 1 I think
3 0
3 years ago
10x+4y=20 Help me solve step by step and rewrite the equation
bixtya [17]

Answer:

y = -2.5x + 5

Step-by-step explanation:

10x + 4y = 20

Subtract 10x from both sides.

4y = -10x + 20

Divide both sides by 4.

y = -2.5x + 5

3 0
3 years ago
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