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victus00 [196]
3 years ago
5

The table shows the number of calories in four meals and the cost of each meal.

Mathematics
2 answers:
Aleksandr-060686 [28]3 years ago
6 0

Answer:

A weak negative correlation

Step-by-step explanation:

correlation, r = \frac{∑(y-\alpha)(x-\beta  }{\sqrt{∑(y-\alpha)^2∑(x-\beta )^2 } }

where,

\alpha = \frac{∑y}{n} \\\beta =\frac{∑x}{n} \\∑ = summation

\alpha = \frac{3230}{4} = 807.5\\\\\\\beta =\frac{46}{4} = 11.5

therefore,\\\\r= -0.12924

This represents a weak negative correlation

arsen [322]3 years ago
3 0

Answer:A weak Negative correlation

Step-by-step explanation:

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stira [4]

Answer:

-\frac{4}{5}

Step-by-step explanation:

There is not much that can be done to figure out how to write 0.8 as a fraction, except to literally use what the decimal portion of your number, the .8, means.

Since there are 1 digits in 8, the very last digit is the "10th" decimal place.

So we can just say that .8 is the same as 8/10.

The fraction is not reduced to lowest terms. We can reduce this fraction to lowest  terms by dividing both the numerator and denominator by 2.

Why divide by 2? 2 is the Greatest Common Divisor (GCD)  or Greatest Common Factor (GCF) of the numbers 8 and 10.

So, this fraction reduced to lowest terms is  4/5

So your final answer is: 0.8 can be written as the fraction 8/10 simplified to 4/5

6 0
3 years ago
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What is the value of x in the equation -6x= 5x+22? Mark this and return Save and Exit Submit​
GREYUIT [131]

Answer:

x = -2

Hope this helps :)

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2 years ago
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I need help fast thanks
Dmitry [639]
-18x-12=4
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3 years ago
Cuanto es 8por8por5por3
icang [17]

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Step-by-step explanation:

7 0
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Answer:

See answers below :)

Step-by-step explanation:

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