3 years ago

Jack ran 4 kilometers each day for 3 days. How many meters did jack run in 3 days?

Mathematics

2 answers:

Novosadov [1.4K]3 years ago

7 0

Answer:

12,000

Step-by-step explanation:

4 x 1000 x 3

mariarad [96]3 years ago

3 0

Answer:

12 kilometers= 12000 meters

Step-by-step explanation:

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3 years ago

What is the solution to ln (x2 - 16) = 0?

bogdanovich [222]

ANSWER

$x = \pm \sqrt{17}$
EXPLANATION

The given equation is

$ln( {x}^{2} - 16) = 0$

Take antilogarithm of both sides to base e.

${e}^{ ln( {x}^{2} - 16) } = {e}^{0}$

This will simplify to

${x}^{2} - 16 = 1$

Group like terms to obtain,

${x}^{2} = 1 + 16$

${x}^{2} = 17$

Take square root of both sides to get,

$x = \pm \sqrt{17}$