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Ipatiy [6.2K]
3 years ago
9

Jane has 15 phone cards worth either $20 or $15. How many of each does she have if the phone cards total $245?

Mathematics
1 answer:
mariarad [96]3 years ago
3 0

The correct answer is 12

Hope this helped!

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F(x)=-4x^2+10x-8
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Answer:

Step-by-step explanation:

a = - 4

b = 10

c = - 8

The discriminate is

D = b^2 - 4ac

D = 10^2 - 4*(-4)(-8)

D = 100 -  128

D = - 28 which is not a nice number

Because the Discriminate has a minus result, there are no real zeros.

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jarptica [38.1K]
30 divided by 5 is 6

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|EG| / |FH| = |GD| /|HD|

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R = 3(t+4) + 1
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The answer is that y is equal to zero

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