2 years ago

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Mathematics

1 answer:

Colt1911 [192]2 years ago

5 0

Answer:

what

Step-by-step explanation:

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creativ13 [48]

Answer:

When it is small & when the sample has things that are different from the population.

Step-by-step explanation:

A small sample has less chance of accurately reflecting a population & too many variables can also negatively influence the study.

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2 years ago

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Tasya [4]

Answer:

40 mph

Step-by-step explanation:

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3 years ago

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Tell whether each number is rational or irrational: Pi, -1/2, the square root of 2/3, and 0.57575757

DedPeter [7]

Pi: Irrational
√(2/3): Irrational

0.57575757 is rational
and -1/2 is rational.
I hope this helps.

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3 years ago

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erik [133]

Answer:

r = 6.4/(1+sin(θ))

Step-by-step explanation:

As the attachment shows, for the given directrix and eccentricity, the equation is ...

$r=\dfrac{ed}{1+e\sin{\theta}}\\\\r=\dfrac{1.6\cdot 4}{1+1.6\sin{\theta}}\\\\\boxed{r=\dfrac{6.4}{1+\sin{\theta}}}\qquad\text{matches the 2$^{\text{nd}}$ choice}$

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2 years ago

Write two numbers that multiply to the value on top and add to the value on bottom.

vova2212 [387]

Answer: -8 and 9
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2 years ago