Answer: Hello there!
here we have the equation n^4 - 1
using the relation:
we can write our equation as:
and (n^2 + 1) has only complex roots, i and - i, then we can factorize this as (n -i)(n + i) = n*n + ni - ni (+i)*(-i) = (n^2 + 1)
then our equation is:
There are 132 ways of selecting them.
permutations and combinations, the various ways in which objects from a set may be selected, generally without replacement, to form subsets. This selection of subsets is called a permutation when the order of selection is a factor, a combination when order is not a factor.
According to the question,
So if there are 12 trumpet players, then teacher may take the leader, then, after he's taken, there are 11 ways of picking co-leader.
Multiply both numbers of possibilities
= 12× 11
=132
Hence ,There are 132 ways of selecting them.
To learn more about permutation and combination from here
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12x + 7y = 218
The first equation can be multiplied by –13 and the second equation by 7 to eliminate y.
The first equation can be multiplied by 7 and the second equation by 13 to eliminate y.
The first equation can be multiplied by –12 and the second equation by 5 to eliminate x.
The first equation can be multiplied by 5 and the second equation by 12 to eliminate x.
Answer:
The first equation can be multiplied by –12 and the second equation by 5 to eliminate x.
Answer:
x²/64 + y²/81 = 1
Step-by-step explanation:
Standard form of an equation for the ellipse is
Here b is the length of vertical major axis = 9
and minor axis of length a = 8
Therefore the equation of the ellipse will be
So the answer is x²/64 + y²/81 = 1
Check the picture below.
volume. A nugget of gold has a mass of
463.2 grams and a volume of 24.0 milliliters.
What is the density of gold?
F 11,116.8 g/mL
G 439.2 g/mL
H 0.052 g/mL
J 19.3 g/mL
Answer:
88888
Step-by-step explanation:
6201005050
The density of a substance, including gold, is calculated by dividing its mass by its volume. For the nugget of gold with a mass of 463.2 grams and a volume of 24.0 milliliters, the density is calculated as 19.3 g/mL.
The density of a substance can be calculated by dividing its mass by its volume. This is also known as the unit rate comparing mass to volume. In the case of the gold nugget, you have a mass of 463.2 grams and a volume of 24.0 milliliters. To find the density, you would divide the mass (463.2 g) by the volume (24.0 mL).
So, the calculation will be as follows:
Density = Mass / Volume = 463.2 g / 24.0 mL = 19.3 g/mL
Thereby the density of gold in this scenario is 19.3 g/mL.
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