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Mathematics

2 answers:

Vladimir [108]3 years ago

6 0

Answer:

1 1/2

Step-by-step explanation:

there are 12 eggs in a dozen.

18/12 = 1 6/12 = 1 1/2

Sindrei [870]3 years ago

6 0

1 1/2 there at 12 eggs in a dozen

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if Sandy ran 4 miles every week for 4 weeks, she would reach her goal of 20 miles for the month. the first day of the first week

Reika [66]

She would only run 16 miles a month

6 0

3 years ago

Read 2 more answers

N = 36 = 24.6 s = 12 h0: ? 20 ha: ? > 20 refer to exhibit 9-1. the test statistic is

solong [7]

To find the test statistic or z-score given sample number (n), sample mean (x), standard deviation (σ), and population mean (μ), we can use

$z-score = \frac{x - \mu }{\sigma / \sqrt{n}}$

Given that n = 36, x = 24.6, μ = 20, and σ = 12,

$z-score = \frac{24.6 - 20}{12 / \sqrt{36}}$
$z-score = \frac{4.6}{2} = 2.3$

From this, we see that the test statistic is 2.3.

Answer: 2.3

6 0

4 years ago

una ferreteria compra 4 bobinas de cable de 200 metros cada una a 2 euros el metro ¿a cuanto debe vender el metro si quiere gana

pashok25 [27]

Answer:

The selling price of meter of cable must be equal to 3 euros

Step-by-step explanation:

The question in English is

A hardware store buys 4 reels of cable of 200 meters each at 2 euros per meter. How much must the meter sell if you want to earn 800 euros?

we know that

The profit will be equal to the selling price minus the purchase price, all multiplied by the total meters of cable

Let