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Alik [6]
2 years ago
13

6) HELP I got it wrong can someone plz fix it and tell me what I did wrong!

Mathematics
2 answers:
Marianna [84]2 years ago
8 0
The slope is wrong. You go up 6 and over 3 so there for 6/3 which reduces to 2 if you count from the Y point up to the X point you get 6
grigory [225]2 years ago
5 0

Answer:hejdj

Step-by-step explanation:

Hdndjdjd

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An article suggested that yield strength (ksi) for A36 grade steel is normally distributed with μ = 44 and σ = 5.0. (a) What is
aalyn [17]

Answer:

Step-by-step explanation:

Using normal distribution,

z = (x - μ)/σ

μ= mean = 44 and

σ = standard deviation= 5.0

a) The probability that yield strength is at most 40=

P( x lesser than or equal to 40)

z = (40-44)/5= -0.8

Looking at the normal distribution table,

P( x lesser than or equal to 40) =0.2119

b) P(x greater than 62) = 1 - P(x lesser than or equal to 62)

z = (62-44)/5= 3.6

Looking at the normal distribution table,

P(x greater than 62) = 1 -0.99984

= 0.00016

c)P( 42 lesser than or equal to x lesser than or equal to 62)

= P(x lesser than or equal to 62) - P( x lesser than or equal to 40)

= 0.99987-0.2119= 0.78797

d) What yield strength value separates the strongest 75% from the others.

To get x for strongest 75, we get the z value corresponding to 0.75 from the table

z = 0.675= (x-44)/5

x = 3.375+44 = 47.375

The rest is 25% = 0.25

we get the z value corresponding to 0.25 from the table)

z = -0.67 = (x-44)/5

-3.35= x -44

x = -44+3.35= 40.65

yield strength value that separates the strongest 75% from the others

=47.375-40.65= 6.725

3 0
3 years ago
Pleaseee help I’m struggling so hard
ivanzaharov [21]

Answer:

-3

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
HELP I NEED THE ANSWER FAST “NO LINKS”
zavuch27 [327]

Answer:

a

Step-by-step explanation:

240

3 0
3 years ago
Express the series using sigma notation.<br><br> 4 + 16 + 64 + 256 + 1,024
Hatshy [7]

Answer:

EASSYYY

Step-by-step explanation:

1364

3 0
2 years ago
Read 2 more answers
If you can read this please answer it
Harlamova29_29 [7]
Indirect proportion:   y = k/x.

Here, y = 2 / (3x); x is in the denominator of the fraction.  Thus, this equation does represent indirect proportion, with k = (2/3).

       2/3
y = -------
         x
6 0
3 years ago
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