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galina1969 [7]
1 year ago
9

What is the value of z in the equation 4(2z + 3) = 12? −13 12 0 12

Mathematics
1 answer:
Tomtit [17]1 year ago
4 0

Answer:

0

Step-by-step explanation:

8z +12 = 12

8z = 0

z =0

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I found the corresponding image. Pls. see attachment.

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2 years ago
Please help it's for a test!
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Answer:

0.2322   or    23.22 %

Step-by-step explanation:

We have to solve and find the area out of these limits

μ + 0,3 =  210 + 0,3   ⇒    210,3  and

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z(l)   = ( x - 210 ) / (2.8/√84)   ⇒  z(l) =  - (0.3 * 9,17)/ 2.8

z (l)  = - 1.195  

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               1.19         ⇒     0.1170

              1.20       ⇒      0.1151

   Δ  ⇒     0.01     ⇒      0.0019

And between our point   1,195 and 1,19   the difference is  0.005

then        0.01          ⇒   0.0019

              0.005      ⇒      ?? (x)

we find x =  0.00095

to get the area for poin  z (l)  - 1.195 up to final left tail is from  z table

0,1170 - 0.00095 =  0.1161

And by symmetry  to the right is the same

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We find the area out of the above indicated limits  the area we were looking for. This is the probability of finding shafts over and below the population mean and 0.3 inches

Step-by-step explanation:

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Answer:

C

Step-by-step explanation:

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Is 3/10 greater than or less than 1/2
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To compare two fraction we have to make common denominator, then we can compare numerators.
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