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Basile [38]
3 years ago
7

Find the value of a²+b if... a=-2 and b=5

Mathematics
2 answers:
Nana76 [90]3 years ago
4 0

Answer:

9

Step-by-step explanation:

a²+b

Substituting values,

=> (-2)^2+5

=> 4 + 5

=> 9

otez555 [7]3 years ago
4 0

Answer:

9

Step-by-step explanation:

  • a² + b

Where we have :- a = -2 & b = 5

plug the values

  • = ( -2)² + 5
  • = 4+ 5
  • = 9
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Answer:

The Point estimate of the Population proportion  E = 0.039≅0.04

Step-by-step explanation:

<u><em>Step(i):-</em></u>

Given that the sample size 'n' = 992

  and                                     x = 570

The Population proportion

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<u><em>Step(ii):-</em></u>

<u><em>The point estimate of the Population proportion is determined by</em></u>

<u><em></em></u>E =   2.576 \frac{\sqrt{0.574(1-0.574)} }{\sqrt{992} }<u><em></em></u>

E = 0.039≅0.04

<u><em>Final answer</em></u>:-

The point estimate of the Population proportion  E = 0.039≅0.04

<u><em></em></u>

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