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AVprozaik [17]
3 years ago
11

PLEASE HELP, ILL GIVE YOU 15

Mathematics
1 answer:
Anestetic [448]3 years ago
8 0

Answer:

2700

Step-by-step explanation:

9x20x15= 2700

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$256/4 hrs = 64 hrs

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What are the solutions of the equation 9x4 – 2x2 – 7 = 0? Use u substitution to solve.x = + √7/9 and x = ±1 x = + √7/9 and x = ±
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Answer:

Step-by-step explanation:

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An outfit regularly sells for $50. it is reduced 25% what is the sale price
erma4kov [3.2K]

Answer:

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8 0
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A student wanted to construct a 95% confidence interval for the average age of students in her statistics class. She randomly se
Darina [25.2K]

Answer: (17.42, 20.78)

Step-by-step explanation:

As per given , we have

Sample size : n= 9

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\overline{x}\pm t_c\dfrac{s}{\sqrt{n}}

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Hence, the 99% confidence interval for the population mean is (17.42, 20.78) .

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