Whats it called when the moon seems to be getting bigger every night?

2 answers:

6 0

When the moon appears to be getting bigger (moon phases from New to Full) it is known as waxing. When it is getting smaller (moon phases from Full to New) it is known as waning. Waxing means increasing. Waning means decreasing.

Alexandra [31]4 years ago

4 0

Technically, the moon doesn't "change" every night.
The shape APPEARS to change.
These are the phases of the moon or "cycle" of the moon if you prefer to call it.

Hope this helps!

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Jobisdone [24]

Answer:

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Explanation:

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3 years ago

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There were 33,300 fatalities in 2015. How many deaths is that per hour ?

mojhsa [17]

Hi!

So for this problem you need to know how that there are 8,760 hours in a year. If we're trying to find how many deaths there were per hour, you'd need to divide 33,300 by 8760 to find out.

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3 years ago

An ellipse is represented by the equation . each directrix of this ellipse is a ________________________ from the center on the

Anastasy [175]

The true statement about the directrix is that each directrix of this ellipse is 31.25 units from the center on the major axis.

<h3>How to determine the distance of the directrix?</h3>

The equation of the ellipse is given as:

$\frac{(x - 5)^2}{625} -\frac{(y - 4)^2}{225} =1$

The above means that:

a^2 = 625

a = 25

b^2 = 225

b = 15

Calculate c using:

c^2 = a^2 - b^2

This gives

c^2 = 625 - 225

Evaluate the difference

c^2 = 400

Evaluate the square root

c = 20

The equation of the directrix is

x - x₀ = ± a²/c

So, we have:

x - x₀ = ± 625/20

Evaluate the quotient

x - x₀ = ± 31.25

This means that, each directrix is 31.25 units from the center on the major axis.