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horsena [70]
3 years ago
6

Someone please helpppppo

Mathematics
1 answer:
kifflom [539]3 years ago
3 0

Answer:

1: No, they're not similar polygons

2: Yes, they're similar polygons

Step-by-step explanation:

1: DF/AC = 8/6 = 1.3repeating

  FE/CB = 6/4 = 1.5

there is no constant of proportionality

2: 48/40 = 1.2

   35/30 = 1.2

the constant of proportionality is 1.2

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If AD=20 and AC=3x+4, find the value of x. Then find AC and DC.<br><br> I don't understand.
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3 years ago
Rewrite the equation by completing the square.<br> x^2 + 2x – 48 = 0
slamgirl [31]

Answer:

(x+1)^2 = 49

x = 6                 x = -8

Step-by-step explanation:

x^2 + 2x – 48 = 0

Add 48 to each side

x^2 + 2x =48

Take the coefficient of x

2

Divide by 2

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Square it

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x+1 = ±7

Subtract 1 from each side

x+1-1 = -1  ±7

x = -1+7          x = -1 -7

x = 6                 x = -8

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3 years ago
A local grocery store decides to offer a free piece of fresh fruit (banana or apple) to all shoppers in the produce department.
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The generalization that can be made from this study is that: Given the choice of a banana or an apple, twice as many shoppers will select an apple.

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More of the shoppers are said to select an apple from the group of shoppers who are to but either banana or apple.

Those buying an apple are two times the people buying the banana, hence we can conclude that twice as many shoppers would choose the apple over banana.

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Graph One.

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Inga [223]

Answer:

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Step-by-step explanation:

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This eliminates the third unequality.

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Therefore, only the second inequlity is true.

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