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egoroff_w [7]
3 years ago
12

PLZZZZZ HELP I WILL GIVE BRAINLEST POINTS AND EXTRA POINTS

Mathematics
1 answer:
Greeley [361]3 years ago
6 0

Answer:

a. Non proportional

b. Proportional

c. Non proportional

Step-by-step explanation:

Here, we want to determine if each situation is proportional or not

a) Non-proportional

This is because the amount y paid in a month will be;

y = 1400x + 150

Since the amount paid is not solely dependent on the number of months, then we do not have a proportional relationship

b) proportional

y = 3/4x

The value of y is dependent solely on that of x, so the relationship is proportional

c) non proportional

Since the value of y is not solely entirely dependent on x value, then the relationship is not proportional

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Oksi-84 [34.3K]

Answer:

The answer is below

Step-by-step explanation:

a) Given that the number of sample (n) = 300, therefore since n > 30, the distribution of the sample means is going to be normally distributed.

b) The mean of the distribution of sample means (also known as the Expected value of M) is equal to the population mean μ.

\mu_x=\mu=np=300*0.39=117

c) The standard deviation of the distribution of sample means is called the Standard Error of M, it is given by:

\sigma_x=\sqrt{np(1-p)} =\sqrt{300*0.39(1-0.39)} =8.44

8 0
3 years ago
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Softa [21]

Answer:

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Step-by-step explanation:

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2/8 is already okay

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now

2/8 would be one-half as much as 4/8

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BabaBlast [244]

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Step-by-step explanation:

3 0
3 years ago
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larisa [96]

Answer:

here this should help you understand.

Step-by-step explanation:

https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:quadratic-functions-equations/x2f8bb11595b61c86:completing-square-quadratics/v/completing-the-square-to-solve-quadratic-equations

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You are ordering lunch for everyone in your office from a small restaurant nearby. The following shows the menu items available.
Kipish [7]

What is the actual question? I know what you're trying to say, just it's not enough info...

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