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kvv77 [185]
3 years ago
8

Please help !!!!!!! Will mark brainliest for the correct answer !!!!!!!!

Mathematics
2 answers:
Sholpan [36]3 years ago
7 0

Answer:

Step-by-step explanation:

-2m - 5n = 7m - 3n

-9m - 5n = -3n

-9m = -2n

m = 2n/9

g(m)= 2n/9

Natali [406]3 years ago
7 0

-9/2m is the answer.

-2m-5n=7m-3n

-2n=9m

n=9m/-2

so -9/2m

hope this helps :)

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irina [24]

Answer:

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deff fn [24]

Since the sum of the probabilities of all possible outcomes must be 100%, we can deduce the following:

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  • Cooking between 20 and 30 minutes: 85%
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In fact, the probabilities of cooking in less than 20 or more than 30 sum up to 15%, which means that the remaining outcome (i.e. cooking time between 20 and 30) must complete this probability to 15, and in fact 15+85=100.

That being said, all three answers are simply a combination of these three scenarios: let C be the cooking time, for aesthetic reasons:

P(C\geq 20) = P(20 \leq C \leq 30)+P(C\geq30) = 85\%+5\%=90\%

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P(C\leq 30) = P(C\leq20)+P(20 \leq C \leq 30) = 10\%+85\%=95\%

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