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kolbaska11 [484]
2 years ago
11

If 5 for 25.59 how much for 9

Mathematics
1 answer:
Kamila [148]2 years ago
3 0

Answer: 9 for $46.06

Step-by-step explanation:

25.59/5=5.118

That means 1 for 5.118

5.118x9=46.062

That means 9 for 46.062

This is money, so round 46.062 to be $46.06

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If the input value is 4, what is the output value for the following function?
nekit [7.7K]

Answer:

7

Step-by-step explanation:

note the input is the value of x and the output the value of y

Given

y = 3x - 5 ← substitute x = 4

y = 3(4) - 5 = 12 - 5 = 7 ← output

7 0
3 years ago
What is the probability of making a type ii error when the machine is overfilling by .5 ounces (to 4 decimals)?
abruzzese [7]
Part A

The probability of making a type ii error is equal to 1 minus the power of a hypothesis testing.

The power of a hypothesis test is given by:

\beta(\mu')=\phi\left[z_{\alpha/2}+ \frac{\mu-\mu'}{\sigma/\sqrt{n}} \right]-\phi\left[-z_{\alpha/2}+ \frac{\mu-\mu'}{\sigma/\sqrt{n}} \right]

Given that the machine is overfilling by .5 ounces, then \mu-\mu'=-0.5, also, we are given that the sample size is 30 and the population standard deviation is  = 0.8 and α = 0.05

Thus,

\beta(16.5)=\phi\left[z_{0.025}+ \frac{-0.5}{0.8/\sqrt{30}} \right]-\phi\left[-z_{0.025}+ \frac{-0.5}{0.8/\sqrt{30}} \right] \\  \\ =\phi\left[1.96+ \frac{-0.5}{0.1461} \right]-\phi\left[-1.96+ \frac{-0.5}{0.1461} \right] \\  \\ =\phi(1.96-3.4233)-\phi(-1.96-3.4233) \\  \\ =\phi(-1.4633)-\phi(-5.3833)=0.07169

Therefore, the probability of making a type II error when the machine is overfilling by .5 ounces is 1 - 0.07169 = 0.9283



Part B:

From part A, the power of the statistical test when the machine is overfilling by .5 ounces is 0.0717.
7 0
3 years ago
-2x - 10 =15 help me plzzzz
Dima020 [189]

Answer:

x = -12.5

Step-by-step explanation:

Solve :  -2x - 10 =15

-2x - 10 = 15

-2x = 15 + 10

-2x = 25

x = -25/2

x = -12.5

6 0
3 years ago
Read 2 more answers
Write out the form of the partial fraction decomposition of the function (as in this example). do not determine the numerical va
neonofarm [45]
\frac{x^{4}-2x^{3}+x^{2}+7x-5}{x^{2}-2x+1} = x^{2}+\frac{a}{x-1}+\frac{b}{(x-1)^{2}}
It looks like your first selection (a) is appropriate.
7 0
3 years ago
The difference of a number p and 6
frez [133]
P-6 because you subtract the variable from the 6 
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3 years ago
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