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vitfil [10]
3 years ago
15

PLEASE HELP ASAP

Mathematics
1 answer:
Ganezh [65]3 years ago
4 0

The answer is (C). We want to use reasoning to show that AD is perpendicular to BC, so we have to use something else in the “if” part of the “if-then” statementto say that the statement is true. You can’t use what you want to prove as your reasoning, which is what it is using for (D). So, the answer is (C).

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One card is randomly selected from a deck of cards find the odds against drawing a seven
Stella [2.4K]

Answer:

\frac{3}{4}

Step-by-step explanation:

Probability of getting a 7 + Probability of not getting a 7 = 1.

Odds against drawing a 7 = Probability of not getting a 7.

We could calculate the probability of getting a 7 and subtract 1 from it to get the answer.

There a four sevens in a deck of card, one of each kind.

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the annual rate of inflation is given by the formula I = (p2/p1)^1/n - 1, where p1 is the initial price of an item and p2 is the
aleksklad [387]

Answer:

<h2>The value of n is 31 years.</h2>

Step-by-step explanation:

The given equation is formed by different variables, where n indicates the period of time in years where the rate of inflation is calculated.

In this case, we have a period from 1980 to 2011. The difference between these years would be the period of time used to find the inflation rate.

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Therefore, the value of n is 31 years.

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