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3 years ago

If you have a two digit divisor in a three digit David and does the cushion always have to be have the same number of digits

Mathematics

1 answer:

Mariulka [41]3 years ago

4 0

No because a 2 digit divisor always has less digits than a 3 digit divisor

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liq [111]

I think the answer is A

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3 years ago

Write an equation of a line with the given slope and y-intercept. m = –2, b = 4

Verdich [7]

Y= -2x+4 m represents the x value and b the y intercept

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3 years ago

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The circumference of a circle is 28 x inches. What is the length of the radius of this circle?

meriva

Answer: 14

Explanation: The radius is half of the value of the circumference.

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3 years ago

Which table contains only points that lie on the line of the equation y = 6x - 6?

Fittoniya [83]

Answer:

The answer is G

Step-by-step explanation:

2 x 6 = 12

12 - 6 = 6

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-2 x 6 = -12

-12 - 6 = (-18)

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3 years ago

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what is the probability of seeing a sample mean for 21 observations less or equal to the sample mean that we observed

kramer

Answer:

$P(x \le 21) = 0.69146$

Step-by-step explanation:

The missing parameters are:

$n = 64$ --- population

$\mu = 20$ --- population mean

$\sigma = 16$ -- population standard deviation

Required

$P(x \le 21)$

First, calculate the sample standard deviation

$\sigma_x = \frac{\sigma}{\sqrt n}$

$\sigma_x = \frac{16}{\sqrt {64}}$

$\sigma_x = \frac{16}{8}$

$\sigma_x = 2$

Next, calculate the sample mean $\bar_x$

$\bar x = \mu$

So:

$\bar x = 20$

So, we have:

$\sigma_x = 2$

$\bar x = 20$

$x = 21$

Calculate the z score

$x = \frac{x - \mu}{\sigma}$

$x = \frac{21 - 20}{2}$

$x = \frac{1}{2}$

$x = 0.50$

So, we have:

$P(x \le 21) = P(z \le 0.50)$

From the z table

$P(z \le 0.50) = 0.69146$

So:

$P(x \le 21) = 0.69146$

4 0

3 years ago