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Hoochie [10]
3 years ago
14

Can someone please help me with this?

Mathematics
1 answer:
jonny [76]3 years ago
4 0
I need to know if you where are you gonna is the day you
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A mixture of pulverized fuel ash and Portland cement to be used for grouting should have a compression strength of more than 130
nekit [7.7K]

Answer:

The null hypothesis is: u >= 1300 KN/m^2

And the alternative hypothesis is:

u < 1300 KN/m^2.

Step-by-step explanation:

The null hypothesis describes hat there is no difference or assiciation between variables of a specific population or that it is a particular average value while the alternative hypothesis states otherwise.

In this case study, the null hypothesis is: u >= 1300 KN/m^2

And the alternative hypothesis is:

u < 1300 KN/m^2.

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3 years ago
Find the value of x that makes the lines parallel
Andreyy89
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Stolb23 [73]

Answer:

Standard deviation measures Total risk while beta measures Systematic risk.

Step-by-step explanation:

The total risk is the total variability of the portfolio and includes the systematic risk and the unique risk.

The systematic risk is measured by the beta coefficient and it considers the no diversified risk such as changes in the global market. Unique risks are the ones that result from factors specifically related to the company.

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3 years ago
Solve the following by completing the square :<br> x2 - 6x + 7 = 0<br>​
Arisa [49]

Answer:

Step-by-step explanation:

5 0
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Pls need help<br> Also making this 10 points so i have 169 points left B)
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Answer:

Second and fourth

Step-by-step explanation:

A line is in point-slope form when you write down as y-y_0=m(x-x_0) - do not be distracted by the signs, +1 and +5 can both be written as -(-1) or -(-5) rispectively.

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