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2 years ago

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Which statement best describes the association between variable X and variable Y? Question 2 options: perfect negative associati

on perfect positive association moderate negative association moderate positive association

1 answer:

sergey [27]2 years ago

3 0

I believe the correct answer would be perfect negative association. It is describe as perfect since the points reflects an almost linear graph or relation. It is negative since as Y increases, the value of X decreases or vice versa. Hope this answers the question.

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Step-by-step explanation:

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3 years ago

Which expression is equivalent to:<br> 5x2 - 10x - 7+ 5x2 + 8?

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Answer:

Step-by-step explanation:

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2 years ago

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1 year ago

Applying Properties of Exponents In Exercise, use the properties of exponents to simplify the expression.

NemiM [27]

Answer: (a) $e^3$

(b) $e^{10}$

(c) $\dfrac{1}{e^4}$

(d) $e^{4}$

Step-by-step explanation:

Properties of exponents :

1) $a^m\times a^n=a^{m+n}$

2) $\dfrac{a^m}{a^n}=a^{m-n}$

3) $(a^m)^n=a^{mn}$

4) $a^{-n}=\dfrac{1}{a^n}$

Now , we simplify the given expression using the above properties.

a) $(e^6)(e^{-3})$

$=e^{6+(-3)}$ [By property (1)]

$=e^{6-3}=e^3$ [∵ (+)(-)=(-)]

b) $(e^{-2})^{-5}$

$=e^{-2\times-5}$ [By property (3)]

$=e^{10}$ [∵ (-)(-)=(+)]

c) $(\dfrac{e^6}{e^2})^{-1}$

$=(e^{6-2})^{-1}$ [By property (2)]

$=(e^{4})^{-1}$

$=\dfrac{1}{e^4}$ [By property (4)]

d) $(e^3)^{\frac{4}{3}}$

$=e^{3\times\frac{4}{3}}$ [By property (3)]

$=e^{4}$

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3 years ago