Can somebody help me with this question

Mathematics

1 answer:

Anit [1.1K]3 years ago

4 0

Answer:

x^3 y^2 z^4

Step-by-step explanation:

x^2 z^3 * xy^2z

Combine like terms

We know a^b * a^c = a^ (b+c)

x^2 * x y^2 z^3 z

x^(2+1) y^2 z^(3+1)

x^3 y^2 z^4

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Complete the slope-intercept form equation of the line with slope − 8 that passes through the point (0,−2)(0,−2).

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Subst. 0 for x and -2 for y and then calculate b: -2 = 0 + b => b = -2

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Find the midpoint of the segment with endpoints (-4,5) (1,3) and enter its coordinates as an ordered pair. Please help!!!! No li

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Answer:

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Step-by-step explanation:

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Zarrin [17]

The probability that a normally distributed data with a mean of μ and a standard deviation of σ is less than a value x is given by:

$P(X\ \textless \ x)=P\left(z\ \textless \ \frac{x-\mu}{\sigma} \right)$

Given that μ = 16.5 and σ = 0.804984 and that the probability that the <span>mean oil-change time being at or below the sample mean for which there is an area of 0.10 to the left under the normal curve, then:

$P\left(z\ \textless \ \frac{x-16.5}{0.804984} \right)=0.1\\ \\ \Rightarrow P\left(z\ \textless \ \frac{x-16.5}{0.804984} \right)=P(z\ \textless \ -1.281) \\ \\ \Rightarrow\frac{x-16.5}{0.804984}=-1.281 \\ \\ \Rightarrow x-16.5=-1.281(0.804984)=-1.031 \\ \\ x=-1.031+16.5=15.47$ </span>