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inysia [295]
2 years ago
12

Retrying this question because no one wanted to help on the last one.

Mathematics
2 answers:
disa [49]2 years ago
6 0
The answer is
X= 15.
RUDIKE [14]2 years ago
3 0

Answer:

.

Step-by-step explanation:

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RUDIKE [14]
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16) The slope is 0.
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To determine whether x and y have a proportional relationship, see if the line through these points passes through the origin (0, 0).

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5 0
3 years ago
A bathtub is filling with water at a rate of 60 liters per minute.
Anvisha [2.4K]
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2 years ago
In a quality control test of parts manufactured at Dabco Corporation, an engineer sampled parts produced on the first, second, a
sammy [17]

Answer:

p value = 0.0174

Conclusion : we reject the null hypothesis

Step-by-step explanation:

Thinking step:

We need to perform a test to determine if the proportion of the good parts is the same for all three shifts at a significance level of \alpha = 0.05

Assumption : all the population for each or the three shifts is not equal.

Calculation:

Let p₁ be the sample of the first shift

     p₂ be the sample of the second shift

     p₃ be the sample of the third shift

According to the null hypothesis

H₀ = p₁ = p₂ = p₃

In other words, all the population sample proportions are equal.

Alternatively, we can assume that the three shift are not equal p₁ ≠ p₂ ≠ p₃

Tabulating and performing the \chi² test gives 8.10

degrees of freedom:

df = k - 1

   = 3 - 1 = 2

Thus the degree of freedom is 2

Solving using the MINITAB software gives: p = 0.174

The solution shows that the p value < level of significance, then p-value lies in the range 0.0174≤\alpha≤0.05

Therefore, we reject the null hypothesis based on the fact that the three shifts are not equal.

5 0
3 years ago
18 3/8f = -29 4/7 please help
KatRina [158]

Answer:

f=-552 /343 or 5=1 and 209/343

Step-by-step explanation:

4 0
3 years ago
I will mark Brainliest and I WILL REPORT LINKS!!!
Stells [14]

Answer:

y = (x-1/x+2)(x-1)

y = -3(x-1)

y = -3x+3

-3x y = 3

x y = -1

x(0) y = -1

y = -1

Step-by-step explanation:

6 0
3 years ago
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