4 years ago

What makes .3596 a rational number?

Mathematics

2 answers:

Brrunno [24]4 years ago

7 0

In mathematics, a rational number is any number that can be expressed as the quotient or fraction p/q of two integers.

Since .3596 is not never ending, there is a fraction like 3596 divided by 10000 so it is a rational number.

Ket [755]4 years ago

3 0

.3596 is a rational number because it is not infinite

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Luba_88 [7]

Answer: 5.5 seconds

Since the penny is dropped and not thrown, the initial velocity is 0 and the initial height is given as 150m. Plugging these into the given equation result in $-4.9t^2+0t+150=-4.9t^2+150$ . To find how long it will take for the penny to hit the ground we set the equation equal to zero and solve for t. Since this doesn't factor, you'll need to use the quadratic formula:

$+/-\frac{\sqrt{0^2-4(-49)(150)}}{2(-49)} =+/-\frac{10\sqrt{15} }{7}=+/-5.533$ . Since time cannot be negative, the answer will be the positive 5.5 seconds.