This mapping shows a functional relationship when f(x)=4 what is the value of x

Mathematics

1 answer:

Oksana_A [137]2 years ago

5 0

If.. f of x equals four, than it should be four that you plug in.

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A decent-sized square plot of land in town is one acre. If Mr. Pearson wants to play football with his son Connor, then how far

sammy [17]

One acre of land is equal to 4046.86 sq.m.
To know how far they can throw the ball from corner to corner can be interpreted in two ways: throwing the ball diagonally across the field or throwing the ball horizontally across the field. For the first question, since the field is a square, you can use the equation Diagonal of Square = A x sq.root of 2.

In this case, the answer would be 89.97 m.

If the ball is thrown horizontally across the field, then you would only need to know the length of one side of the square, which is the square root of the area. Doing this would give you the answer 63.61 m.

4 0

3 years ago

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Suppose 10000 people are given a medical test for a disease. About1% of all people have this condition. The test results have a

Alina [70]

Answer:

The percent of the people who tested positive actually have the disease is 38.64%.

Step-by-step explanation:

Denote the events as follows:

X = a person has the disease

P = the test result is positive

N = the test result is negative