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3 years ago

5. Which is the graph of the exponential function y = 8(5)x?

Mathematics

1 answer:

marin [14]3 years ago

5 0

Answer:

The answer is A

Step-by-step explanation:

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Dmitrij [34]

Options are:

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Answer:

Unlikely

Step-by-step explanation:

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3 years ago

Given that a travel a distance of 210km in 3hours calculate the speed in unit form in km/h

AlexFokin [52]

Answer:

70 Km/ h

Step-by-step explanation:

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2 years ago

What is 1/4 (4+ x) = 4/3

Gekata [30.6K]

Answer:

x= 1 1/3

Step-by-step explanation:

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3 years ago

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5. If the covariance between the variables x and y is 18 and the variance

klasskru [66]

Answer:

The coefficient of correlation=0.5

Step-by-step explanation:

We are given that

Covariance between the variable x and y=18

Variance of x=16

Variance of y=81

We have to find the coefficient of correlation

We know that

Coefficient of correlation

$r=\frac{covariance(x,y)}{\sqrt{variance(x)}\times \sqrt{variance(y)}}$

Using the formula

$r=\frac{18}{\sqrt{16}\times \sqrt{81}}$

$r=\frac{18}{4\times 9}$

$r=0.5$

Hence, the coefficient of correlation=0.5

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3 years ago