A number t multiplied by -4 is at least -2 over 5

Mathematics

1 answer:

harina [27]3 years ago

3 0

Answer:

t≤ 8/5

Step-by-step explanation:

-4t≥-2/5 (at last means greater than or equal to }

multiplying by -1

when we multiply or divide by negative number sign of inequality changes

4t≤2/5

t≤4(2/5)

t≤ 8/5

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Vlada [557]

Answer:

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Step-by-step explanation:

In this question, we are asked to determine the expected number of people that will attend a concert if we are given the probabilities that it will rain and it will not rain.

We proceed as follows;

The probability that it will rain is 30% or 0:3

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Now, we proceed to calculate the number of people that will attend by multiplying the probabilities by the expected number of people when it rains and when it does not rain.

Mathematically this is;

Number of expected guests = (probability of not raining * number of expected guests when it does not rain) + (probability of raining * number of expected guests when it rains)

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Answer:

Roy

Step-by-step explanation:

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