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horsena [70]
3 years ago
14

Li believes that the graph shows a direct variation. On a coordinate plane, a line goes through points (0, 1) and (2, 0). Why is

Li incorrect in saying that the graph shows a direct variation? The graph does not have a constant rate of change. When the x-value is 0, the y-value is 1. The slope is negative. The relationship is proportional.
Mathematics
2 answers:
NNADVOKAT [17]3 years ago
4 0

Step-by-step explanation:

Well direct variation means:

mathematical relationship between two variables that can be expressed by an equation in which one variable is equal to a constant times the other. 2 : an equation or function expressing direct variation — compare inverse variation.

I don't tell straight out answers but I hope this helps!

MissTica3 years ago
3 0

Answer

B) When the x-value is 0, and the y-value is 1

Step-by-step explanation:

Edge

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anzhelika [568]

Answer:

Spiders=8

Ants=12

Step-by-step explanation:

Spider(s)=8 legs

Ants(a)=6 legs

Total legs=136

Total heads=20

8s+6a=136 (1)

s+a=20 (2)

From (2)

s=20-a

Substitute 20-a into (1)

8s+6a=136

8(20-a)+6a=136

160-8a+6a=136

160-2a=136

-2a=136-160

-2a=-24

a= -24/-2

a=12

Substitute a=12 into (2)

s+a=20

s+12=20

s=20-12

s=8

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3 years ago
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emmainna [20.7K]

Answer:

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Step-by-step explanation:

4 0
3 years ago
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Step-by-step explanation:

Given

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Step-by-step explanation:

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Answer:

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