Which logarithmic equation is equivalent to 3^2 = 9?

Mathematics

2 answers:

AlladinOne [14]3 years ago

6 0

Answer:

For edge it's the first option.

Step-by-step explanation:

2= log3 9

Troyanec [42]3 years ago

5 0

Log3 9 = 2 will be answer

For the given expression, 3^2 = 9, log3 9 = 2 will be the logarithmic equation.

As according to formulas of logarithm,
if, logx y = n
then x^n = y

so using this formula,
log3 9 = 2 will be the logarithmic equation of the given expression, 3^2 = 9

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A test for syphilis gives a positive result with probability 0.98 when tested on a person who has the disease. The test gives a

mestny [16]

Answer:

The probability that an individual has the disease and has a positive test result is:

9.8%.

Step-by-step explanation:

Probability of a true positive result for a test of syphilis = 0.98 or 98%

Probability of a false negative result for a test of syphilis = 0.02 or 2% (100 - 98)

Probability of a true negative result for a test of syphilis = 0.9 or 90%

Probability of a false negative result for a test of syphilis = 0.1 or 10% (100 - 90)

Therefore, the probability that an individual has the disease and has a positive test result = 0.98 * 0.1 = 0.098 = 9.8%