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Leona [35]
3 years ago
11

Please help me .....

Mathematics
1 answer:
fenix001 [56]3 years ago
7 0

Answer:

  Graph A

Step-by-step explanation:

The graph of a proportional relationship is a straight line through the origin. Only graph A goes through the origin.

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Answer:

Where is the graph?

Step-by-step explanation:

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4 0
2 years ago
If cosa=1/2(a+1/a), verify that. cos2a=1/2(a²+1/a²)​
Alborosie

Answer:

see explanation

Step-by-step explanation:

using the identity

cos2a = 2cos²a - 1 , then

cos2a

= 2[ \frac{1}{2}(a  + \frac{1}{a}) ]² - 1

= 2 [ \frac{1}{4} (a² + \frac{1}{a^2} + 2) ] - 1

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3 0
1 year ago
Xavier climbs 9ft up into an apple tree what integer represents the directions and how far he will climb to get back down to the
masha68 [24]

Answer:

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Step-by-step explanation:

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4 0
3 years ago
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