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Mama L [17]
3 years ago
15

I hate ixl . help mee

Mathematics
1 answer:
OverLord2011 [107]3 years ago
8 0

Answer:

p = 4 + q/x - 2/x

q = px + 2 - 4x

Step-by-step explanation:

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Which expression below gives the average rate of change of the function g(x) = -x2 - 4x on the interval 6 ≤ x ≤ 8 ?
Paha777 [63]

Answer: -18

<u>Explanation:</u>

Average rate of change is slope: \frac{y_{2}-y_{1}}{x_{2}-x_{1}}.  Need to find the y-coordinates:

g(x) = -x² - 4x

g(6) = -(6)² - 4(6)

      = -36 - 24

      = -60

⇒ (6, -60)

g(8) = -(8)² - 4(8)

      = -64 - 32

      = -96

⇒ (8, -96)

m = \frac{-96 - (-60)}{8 - 6}

   = \frac{-36}{2}

   = -18

7 0
3 years ago
Read 2 more answers
A consumer products company is formulating a new shampoo and is interested in foam height (in millimeters). Foam height is appro
Pavel [41]

Answer:

The answers to the questions are

(a) P = 0.0176

(b)  P = 0.5

(c)  P = 0.0571

Step-by-step explanation:

The P value is the calculated probability of obtaining extreme reults which are as extreme as observed res ult when the study null hypothesis H₀ is true

The p value is given by

P (\overline{\rm x} = 185 when μ = 175)

z =  \frac{ \overline { \rm x} -\mu}{\sigma /\sqrt{n} }

z(\overline { \rm x} = 185)  = \frac{ 185 -175}{20/\sqrt{10} } = 1.5811

Therefore the P (\overline{\rm x} = 185 when μ = 175) =  P(z = 1.5811)  

    0.94295

The probability density function is

f(x) = \frac{1}{\sigma\sqrt{2\pi } } e^{-\frac{1}{2}(\frac{x-\mu}{\sigma} )^2 } Therefore the probability is

f(x) = \frac{1}{20\sqrt{2\pi } } e^{-\frac{1}{2}(\frac{185-175}{20} )^2 } = 0.0176  

b) The type II error is given by

β = P(type II error) = P(Fail to reject the null hypothesis when it is false)

Therefore

β = P (\overline { \rm x} < 185 when μ = 185)

P(\frac{ \overline { \rm x} -\mu}{\sigma /\sqrt{n} }, which gives

P(z<0) and β = 0.5

(c) For true mean foam height of 195 mm we have

β = P (\overline { \rm x} < 185 when μ = 195)

and P(\frac{ \overline { \rm x} -\mu}{\sigma /\sqrt{n} }

Which gives P(z < -1.58)

From z table the probability is       β = 0.0571

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3 years ago
Shelly delivered 12 newspapers after 20 minutes and 36 papers after 60 minutes
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The unit rate will be 6 newspapers every 10 minutes.
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Use the laplace transform to solve the given initial-value problem. y' + 5y = e3t, y(0) = 2
Iteru [2.4K]

In mathematics, the Laplace transform, named after its discoverer Pierre Simon Laplace, transforms a function of real variables (usually in the time domain) into a function of complex variables (in the time domain). is the integral transform that Complex frequency domain, also called S-area or S-plane).

Learn more about Laplace transform here brainly.com/question/17062586

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What is the sum of the algebra tiles
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I DON'T KNOW SORRY 1203984756

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