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3 years ago

Find the number that completes the equation.

Mathematics

1 answer:

Alja [10]3 years ago

5 0

What you have to do is multiply 5 on each sides on the equation. Next, you cross out the 2 gives on the left side. Bring down the 6+y and 6 times 5 equals 30. So your equation would be 6+y=30. Then, you subtract 6 from both sides and cross out the 6’s on the left side... Bring down your “y” and 30-6=24. So y=24

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Calculate the percentage increase in cases from 2007 to 2009?

k0ka [10]

Answer:

7.6%

Step-by-step explanation:

1141/15000 × 100 = 7.60667

but it's not an option...

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3 years ago

In one study, it was found that the correlation coefficient between two variables is -0.98. Which statement is true?

Vadim26 [7]

<u>Answer- </u>D. There is a strong negative association between the variables

<u>Solution-</u>

Properties of Correlation Coefficient

1- Its value ranges between -1 and 1.

2- The greater the absolute value of correlation coefficient, the stronger is the linear relationship.

3- The weakest linear relationship is indicated by a correlation coefficient equal to 0.

4- A positive correlation means that if one variable gets bigger, the other variable tends to get bigger.

5- A negative correlation means that if one variable gets bigger, the other variable tends to get smaller.

As the given correlation coefficient is -0.98 (-ve), whose absolute value is 0.98 (closer to 1)

So there is a strong negative association between the variables.

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3 years ago

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Sedaia [141]

I think if I do this correctly, the answer is x<-1

7 0

3 years ago

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iragen [17]

Answer:

yes its linear

Step-by-step explanation:

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2 years ago

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Im pretty sure its True!

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