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Hitman42 [59]
2 years ago
11

Sutract 5a -3b +2b from a-4b -2c​

Mathematics
2 answers:
Alborosie2 years ago
8 0

Step-by-step explanation:

-4a-5b-2c I think that is the best answer

seraphim [82]2 years ago
3 0

Step-by-step explanation:

sutract 5a -3b +2b from a-4b -2c

a-4b-2c-(5a-3b+2b)

a-4b-2c-5a+3b-2b

a-5a-4b+3b-2b-2c

-4a-4b+b-2c

-4a-3b-2c

-(4a+3b+2c)

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Step-by-step explanation:

The test to carry out is:

Null hypothesis  H₀    is                           μ₀ = 30  

The alternative hypothesis                      m  ≠ 30

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e)  z = -5.3   P(m) = 0    meaning there is not such value in z table is too small to compute  and difference to mean value will be 0.5  

d)  z= 1.41      P(m) =

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