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Alika [10]
3 years ago
8

If 3(x -4) = 12, then x = 24

Mathematics
2 answers:
Talja [164]3 years ago
8 0
False
Reasoning: solve for X, use distributive prop. It should be 3x-12=12, then add 12 to both sides, it should be 3x=24. Last divide both sides by 3. The answer would be 8 not 24.
Alenkinab [10]3 years ago
5 0

Answer:

Step-by-step explanation:

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A plane travels 360,000 meters in 900 seconds. What was its speed
Umnica [9.8K]
900 / 60 = 15
So, the plane traveled 360,000 meters in 15 minutes.
Generally, we do per hour. So, 15 mins * 4 = 60 mins or 1 hour. Because we multiplied the time by 4, we also need to multiply the distance by 4. 360,000 * 4 = 1440000 meters. The plane was traveling at 1440000 meters per hour.

However, it does not make sense to use meters for this long of a distance. I am going to convert it into miles (let me know if the question asks for a different unit of distance). 1 mile equals 1609.34 meters. Divide 1440000 by 1609.34 to get how many miles. 1440000 / 1609.34 = 894.7767408.

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4 years ago
Read 2 more answers
Quadratic functions. Linear, exponential, or a new kind of function? E and f?
vovangra [49]

e.

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f.

Look at f(x) = x^2 for x = -2, -1, 0, 1, 2

f(-2) = 4

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Now look at the y-values in the table. They are the same we have here added to 5.

Your function is a quadratic function.

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3 years ago
You want to buy a video game that costs $129.96. Estimate the total cost if the sales tax rate is 7%.
Zarrin [17]

I think it’s 9.10 but I’m not really sure

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Select the correct answer.
Hitman42 [59]

Answer:

See explanation

Step-by-step explanation:

The question is incomplete, as the function is not given. So, I will make an assumption.

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x = -\frac{-5}{2*-4}

x = -\frac{5}{8}

So, the maximum of the function is:

f(x)= -4x^2 -5x + 8

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Lunna [17]

10. √7=irrational numbers

11.

15x - 20

------------   =   15x-4

5

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