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Marina CMI [18]
3 years ago
14

If you are multiplying 5 rational numbers, how can you determine if the sign on the product is positive or negative?

Mathematics
1 answer:
Vesnalui [34]3 years ago
3 0

Answer:

count how many negative signs there are, every two negative signs cancel each other

Step-by-step explanation:

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B. lie on different lines

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2 2/5 divided by (-1/4) ?
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Read 2 more answers
Which of these equations could represent the blue line?
belka [17]

Hello from MrBillDoesMath!


The first choice (y = 2x) is NOT the blue line because it has twice of the slope of the line y=x. That is,  for a given positive x value the graph of y= 2x  appears above the black line which is not the case for the blue line shown.

The second choice (y =.001x) is a possibility but the multiplier .001 is so small I think the graph of that line would be "close" to the x-axis. I don't think it's the blue line.

y = -x. Now here we can say NO!  That line goes through the origin all right but has a slope of -1 so is heading "downward" from left to right. That is not the blue line either.

Well, then, it seems that the last equation ( y = 1/2x) is the only remaining reasonable answer.


Regards,  MrB.


5 0
3 years ago
What is the value of x?
AlexFokin [52]

Answer:

x = 107

Step-by-step explanation:

The sum of the exterior angles of a polygon is 360

105 + 148 +x =360

Combine like terms

253 +x = 360

Subtract 253 from each side

253-253+x = 360-253

x = 107

3 0
3 years ago
Solve for x in the diagram below.
vaieri [72.5K]

Answer:

x = 12

Step-by-step explanation:

(6x-2) + 20 = 90

6x-2 = 70

6x = 72

72 / 6 = 12

x = 12

8 0
2 years ago
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