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AleksAgata [21]
3 years ago
5

9-8x^2+2x^4 is this a trinomial​

Mathematics
1 answer:
Svetradugi [14.3K]3 years ago
8 0

Yes. A monomial is a term composed by a coefficient and powers of variables multiplied with each other, for example

3xy^3z^2

is a monomial.

In your case, the monomials are

9,\quad 8x^2,\quad 2x^4

As the name suggests, a trinomial is the sum of three monomials, which is exactly your case.

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American kestrels live in More Mesa near your professor’s house. Suppose that there are 100 birds, of which a random sample of s
Ulleksa [173]

Answer:

P(X=3) = 0.2013

Step-by-step explanation:

After taking and tagging the first 20 birds, then we have a proportion of 20% of tagged birds within the population, that is

p=\frac{n}{N}

p=\frac{20}{100}=0.20

Supposing that the probability (0.20) of capturing a bird <em>remains constant</em>, we may resolve it as it follows:

Capturing 10 birds can be considered as a binomial experiment with a success probability p = 0.2

Let, P(X=x)=nCx*p^{x}*(1-p)^{n-x} be the expression of the binomial distribution, for our case we have:

p=0.2

x = 3

n=10

Then,

P(X=3)=10C3*0.2^{3}*0.8^{10-3}

P(X=x)=0.2013

Therefore, the probability that exactly 3 of the 10 birds in the new sample were previously tagged is 20.13%

5 0
3 years ago
Find the 16th term of the sequence defined by the explicit rule. Assume that the domain of the function is
zysi [14]
Hello, I believe the answer you’re looking for is beyond my ability thank you but 10+10=20 yessir
4 0
3 years ago
Read 2 more answers
Write an equation in point-slope form for a line passes through the point (8,-7) and has a slope of 5/4.
fomenos

Answer:

y+7=5/4(x-8)

Step-by-step explanation:

y-y1=m(x-x1)

y-(-7)=5/4(x-8)

y+7=5/4(x-8)

8 0
3 years ago
What calculation can I use to find 48 after a 49% decrease?
Natasha_Volkova [10]

Answer:

d

Step-by-step explanation:

hope it helps

7 0
3 years ago
The floor of a canyon has an elevation of −14.5−14.5 feet. Erosion causes the elevation to change by −1.5−1.5 feet per year. How
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<span>The canyon starts at an elevation of (-14.5). After each year, the elevation drops by (-1.5). The equation that could be written for this, then, would be (-14.5 - 1.5x = -31). First, we could add 14.5 to both sides of the equation to isolate the unknown. This would leave -1.5x = -16.5. Next, we can remove the negative signs so both sides of the equation are positive and easier to work with. This leaves 1.5x = 16.5. Finally, dividing both sides by 1.5 gives us "x = 11", which means that after 11 years, the canyon floor will be at -31 feet.</span>
4 0
4 years ago
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