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podryga [215]
3 years ago
11

I am so confused , what is the answer to 5x=-2x+49?!​

Mathematics
2 answers:
Ivenika [448]3 years ago
7 0
Rearrange -2x:
5x+2x=7x

7x=49
x=7
Andrei [34K]3 years ago
5 0

Answer:

x = 7

Step-by-step explanation:

5x = -2x + 49

5x + 2x = 49

7x = 49

x = 49 ÷ 7

x = 7

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alexdok [17]

Answer:

H_{0}: \mu \leq 600\text{ dollars}\\H_A: \mu > 600\text{ dollars}

Step-by-step explanation:

We are given the following in the question:

Manager's claim: The mean guest bill for a weekend is $600 or less.

A member of the hotel’s accounting staff noticed that the total charges for guest bills have been increasing in recent months.

A sample of weekend guest bills were collected to test the manager’s claim.

We design the null and alternate hypothesis in the following manner:

H_{0}: \mu \leq 600\text{ dollars}\\H_A: \mu > 600\text{ dollars}

Conclusion when null hypothesis cannot be rejected:

When we fail to reject the null hypothesis and accept the null hypothesis, thus, we have enough evidence to support the manager's claim that the mean guest bill for a weekend is $600 or less.

Conclusion when null hypothesis can be rejected:

When the null hypothesis is rejected, we accept the alternate hypothesis.

Thus, there are not sufficient evidence to support the manager's claim  that the mean guest bill for a weekend is $600 or less.

5 0
3 years ago
Nanda Yueh and Lane Zuriff sell homes for ERA Realty. Over the past 6 months they sold 136 homes. Nanda sold 3 times as many hom
Marta_Voda [28]

Answer:

Lane sold 34 homes.

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Step-by-step explanation:

This question can be solved by a system of equations.

I am going to say that:

Nanda sold x homes

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Over the past 6 months they sold 136 homes.

This means that x + y = 136

Nanda sold 3 times as many homes as Lane.

This means that x = 3y

Replacing in the first equation:

x + y = 136

3y + y = 136

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y = \frac{136}{4} = 34

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Nanda sold 102 homes.

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3 years ago
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Answer:

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hoa [83]

Answer:

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Step-by-step explanation:

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