3 years ago

Bert measured a swimming pool and made a scale drawing. The scale of the drawing was

1 answer:

8 0

1/100
Each meter is 100 centimeter

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Anton [14]

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kipiarov [429]

Answer:

C : does not have statistical significance

Step-by-step explanation:

Because there is a 15% chance of getting that many girls by chance, the method - does not have statistical significance.

By this method, the percentage of girls = $1067/2086=0.5115$ or 51.15%

This type of method does not have practical significance.

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spayn [35]

Answer: The product of (-a + 3)(a + 4) is: -a^2-a+12

Step-by-step explanation:

(-a+3)(a+4) = -a*a-a*4+3*a+3*4

=-a^{2} -4a+3a+12

now just simply combine..

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2 years ago