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AysviL [449]
3 years ago
13

On number is three more than three times another. Their sum is -5. Find the numbers​

Mathematics
1 answer:
mina [271]3 years ago
7 0

Answer:

help me i have -30 points

Step-by-step explanation:

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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:

  • Cooking in under 20 minutes: 10%
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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\%

P(20 \leq C \leq 30) = 85\%

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

3 0
3 years ago
The function f(x)=x^2 is graphed on the coordinate grid.
Aleksandr [31]
<h3>Answer:</h3>
  • graphed below.
<h3>Explanation:</h3>
  • vertex: (0, 0)

other points:

<u>x    y</u>

-2  12

-1   3

0   0

1    3

2   12

7 0
2 years ago
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anyanavicka [17]

Answer:

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Step-by-step explanation:

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8.5 hours equal how many minutes
k0ka [10]

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Step-by-step explanation:

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What are the correct steps for solving the following equation: 5x - = 21
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Answer:

 x = -21/5 = -4.200

Step-by-step explanation:

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