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Oxana [17]
2 years ago
14

How many solutions are there of the system if equations shown on the graph​

Mathematics
1 answer:
Dmitry [639]2 years ago
3 0

Answer:

a and b

Step-by-step explanation:

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Grace [21]

Answer: Plug in answers work backwards; or learn log to get rid of powers

Step-by-step explanation: save time on your test by cheating yourself of knowledge

6 0
3 years ago
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For a certain data set the regression equation is y = 2 + 3x. The correlation coefficient between y and x in this data set _____
lozanna [386]

Answer:

C. Must be 1

Step-by-step explanation:

The correlation coefficient of an equation represents the relation between the  two variable ( dependent and independent )

It lies between -1 to 1,

If an equation has strongly positive correlation then the value of correlation coefficient is 1,

If there is no relation then the value of correlation is 0,

If there is strongly negative relation then the value of correlation coefficient is -1,

Here, the equation is,

y = 2 + 3x

Since, the value of y is increasing with increasing the value of x,

We can say that there is strong positive relation between the variables x and y,

Hence, by the above statements,

The correlation coefficient between y and x in this data set must be 1.

Option 'C' is correct.

7 0
3 years ago
Find the product. Simplify if possible
KATRIN_1 [288]

−1/3⋅(8 1/7)

change 8 1/7 to an improper fraction

8 1/7 = (7*8 +1)/7 = 57/7

-1/3 * 57/7

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21 goes into 57 2 times with 15 left over

-2 15/21

divide top and bottom of the fraction by 3

-2 5/7

Choice B

4 0
3 years ago
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20 POINTS HELP PLEASE: A diver descends to a location of -50 1/4 meters relative to the surface of the water. He then descends a
vlada-n [284]

Answer:

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Step-by-step explanation:

4 0
3 years ago
List all the factors of the number 48.
Anni [7]
The answer would be 1,2,3,4,6,8,12,16,24,48

hope this helps!
4 0
3 years ago
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