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podryga [215]
3 years ago
12

Why is this not in quadratic form? x^6+ 5x^4 + 6

Mathematics
1 answer:
Bas_tet [7]3 years ago
3 0

Answer and Step-by-step explanation:

Quadratic form has only the exponent of 2 and 1 in it. An example of it is as shown:

3x^2 + 4x - 12

Your expression isn't a quadratic since it has a 6 as the highest exponent, but it is a trinomial (an expression that has 3 terms).

<u><em>#teamtrees #PAW (Plant And Water)</em></u>

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businessText message users receive or send an average of 62.7 text messages per day. How many text messages does a text message
KiRa [710]

Answer:

(a) The probability that a text message user receives or sends three messages per hour is 0.2180.

(b) The probability that a text message user receives or sends more than three messages per hour is 0.2667.

Step-by-step explanation:

Let <em>X</em> = number of text messages receive or send in an hour.

The random variable <em>X</em> follows a Poisson distribution with parameter <em>λ</em>.

It is provided that users receive or send 62.7 text messages in 24 hours.

Then the average number of text messages received or sent in an hour is: \lambda=\frac{62.7}{24}= 2.6125.

The probability of a random variable can be computed using the formula:

P(X=x)=\frac{e^{-\lambda}\lambda^{x}}{x!} ;\ x=0, 1, 2, 3, ...

(a)

Compute the probability that a text message user receives or sends three messages per hour as follows:

P(X=3)=\frac{e^{-2.6125}(2.6125)^{3}}{3!} =0.21798\approx0.2180

Thus, the probability that a text message user receives or sends three messages per hour is 0.2180.

(b)

Compute the probability that a text message user receives or sends more than three messages per hour as follows:

P (X > 3) = 1 - P (X ≤ 3)

              = 1 - P (X = 0) - P (X = 1) - P (X = 2) - P (X = 3)

             =1-\frac{e^{-2.6125}(2.6125)^{0}}{0!}-\frac{e^{-2.6125}(2.6125)^{1}}{1!}-\frac{e^{-2.6125}(2.6125)^{2}}{2!}-\frac{e^{-2.6125}(2.6125)^{3}}{3!}\\=1-0.0734-0.1916-0.2503-0.2180\\=0.2667

Thus, the probability that a text message user receives or sends more than three messages per hour is 0.2667.

6 0
3 years ago
Can y’all explain what I have to do and z help me
zysi [14]

Answer:

Step-by-step explanation:

The answer is D. Both are negative because they're both elevations below 0. However, -7 is higher, or closer to the regular level, because -10 is simply farther down.

5 0
3 years ago
Find a vector equation and parametric equations for the line. (Use the parameter t.)The line through the point (4, 2.1, 3.1) and
olga_2 [115]

Answer:

Vector equation:

(4 + 6t, 2.1 + 4t, 3.1 - 2t)

Parametric equations:

x(t) = 4 + 6t

y(t) = 2.1 + 4t

z(t) = 3.1 - 2t

Step-by-step explanation:

The line is parallel to the vector 3i + 2j − k.

So the vector of this line is a multiple of this vector, so i will use 6i + 4j - 2k.

The line goes through the point (4, 2.1, 3.1).

So the parametric equations are:

x(t) = 4 + 6t

y(t) = 2.1 + 4t

z(t) = 3.1 - 2t

The vector equation is:

(4 + 6t, 2.1 + 4t, 3.1 - 2t)

3 0
3 years ago
Round 2.496 to the nearest hundredth
julia-pushkina [17]

Answer:2.50

Step-by-step explanation:

8 0
3 years ago
Question 3 (Essay Worth 10 points) (06.04 MC) Jake tossed a paper cup 50 times and recorded how it landed. The table shows the r
NeTakaya

Answer:

  • fycgjxfzktykrrrzkyxfhxfkcgcgicigcgcgkcjgxgjxt and the answer is your mundi

8 0
3 years ago
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