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kiruha [24]
2 years ago
9

Simplify 144 square root.

Mathematics
2 answers:
slega [8]2 years ago
8 0

Step-by-step explanation:

Rewrite  144  as  12 by2

√ 12 raise 2

Pull terms out from under the radical, assuming positive real numbers.

12

Brrunno [24]2 years ago
4 0

Answer:

sqrt(144) = ±12

Step-by-step explanation:

sqrt(144)

What number, when multiplied by itself, gives 144

12*12 = 144

-12*-12 = 144

sqrt(144) = ±12

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Use a special right triangle to write tan 60° as a fraction
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Tan 60° = the square root of 3 over 1

Hope this helps!
6 0
2 years ago
What is the volume of the cone? use 3.14
Svet_ta [14]
To find the volume of the cone use the formula:

3.14r^2 h/3

Final Answer:

20.93 cubic units
8 0
3 years ago
An air transport association surveys business travelers to develop quality ratings for transatlantic gateway airports. The maxim
Flura [38]

Answer:

The 95% confidence interval estimate of the population mean rating for Miami is (6.0, 7.5).

Step-by-step explanation:

The (1 - <em>α</em>)% confidence interval for the population mean, when the population standard deviation is not provided is:

CI=\bar x \pm t_{\alpha/2, (n-1)}\cdot \frac{s}{\sqrt{n}}

The sample selected is of size, <em>n</em> = 50.

The critical value of <em>t</em> for 95% confidence level and (<em>n</em> - 1) = 49 degrees of freedom is:

t_{\alpha/2, (n-1)}=t_{0.05/2, 49}\approx t_{0.025, 60}=2.000

*Use a <em>t</em>-table.

Compute the sample mean and sample standard deviation as follows:

\bar x=\frac{1}{n}\sum X=\frac{1}{50}\times [1+5+6+...+10]=6.76\\\\s=\sqrt{\frac{1}{n-1}\sum (x-\bar x)^{2}}=\sqrt{\frac{1}{49}\times 31.12}=2.552

Compute the 95% confidence interval estimate of the population mean rating for Miami as follows:

CI=\bar x \pm t_{\alpha/2, (n-1)}\cdot \frac{s}{\sqrt{n}}

     =6.76\pm 2.000\times \frac{2.552}{\sqrt{50}}\\\\=6.76\pm 0.722\\\\=(6.038, 7.482)\\\\\approx (6.0, 7.5)

Thus, the 95% confidence interval estimate of the population mean rating for Miami is (6.0, 7.5).

7 0
2 years ago
in the usa, the shoe sizes or men are approximated by the equation 3f-s=24, where f represents the length of the foot in inches
Otrada [13]

Answer:

x intercept = 8

y intercept = -24

Step-by-step explanation:

In the USA, the shoe sizes or men are approximated by the equation 3f-s=24, where f represents the length of the foot in inches and s represents the shoe size.

<u>When we represent this equation using a graph, we mark the independent variable on the x axis and the dependent variable on the y axis.</u>

Here the foot length is the independent variable and the shoe size is the dependent variable. Hence we take foot length on x axis.

To get x intercept put y=0, f = \frac{24}{3} = 8 inches .

This is the point from which where we start our shoe size.

The y intercept , s = -24.

8 0
3 years ago
Please help!
SVEN [57.7K]
D I had to learn about this for an entire quarter
5 0
3 years ago
Read 2 more answers
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