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2 years ago

Which unit of measure would be appropriate for the volume of a sphere with a

Mathematics

2 answers:

natta225 [31]2 years ago

4 0

units like radius, height, width, length or segments are single units, like meter or feet.

areas are double units, so they'd be in say meter² or feet².

volumes are triple units, namely like meter³ or feet³.

Nesterboy [21]2 years ago

3 0

Answer:

The unit of measuring volume of the sphere is cubic meter.

Step-by-step explanation:

Given : Sphere with a radius of 2 meters.

To find : Which unit of measure would be appropriate for the volume of sphere.

Solution : We have given Radius = 2 meter .

Volume = $\frac{4}{3}\pi (radius)^{3}$ .

Volume = $\frac{4}{3}\pi (2 meter)^{3}$ .

Volume of sphere = $\frac{32}{3}\pi$ meter³ .

Therefore, The unit of measuring volume of the sphere is cubic meter.

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The amount of lateral expansion (mils) was determined for a sample of n = 8 pulsed-power gas metal arc welds used in LNG ship co

Alona [7]

Answer:

95% Confidence interval for the variance:

$3.6511\leq \sigma^2\leq 34.5972$

95% Confidence interval for the standard deviation:

$1.9108\leq \sigma \leq 5.8819$

Step-by-step explanation:

We have to calculate a 95% confidence interval for the standard deviation σ and the variance σ².

The sample, of size n=8, has a standard deviation of s=2.89 miles.

Then, the variance of the sample is

$s^2=2.89^2=8.3521$

The confidence interval for the variance is:

$\dfrac{ (n - 1) s^2}{ \chi_{\alpha/2}^2} \leq \sigma^2 \leq \dfrac{ (n - 1) s^2}{\chi_{1-\alpha/2}^2}$

The critical values for the Chi-square distribution for a 95% confidence (α=0.05) interval are:

$\chi_{0.025}=1.6899\\\\\chi_{0.975}=16.0128$

Then, the confidence interval can be calculated as:

$\dfrac{ (8 - 1) 8.3521}{ 16.0128} \leq \sigma^2 \leq \dfrac{ (8 - 1) 8.3521}{1.6899}\\\\\\3.6511\leq \sigma^2\leq 34.5972$

If we calculate the square root for each bound we will have the confidence interval for the standard deviation:

$\sqrt{3.6511}\leq \sigma\leq \sqrt{34.5972}\\\\\\1.9108\leq \sigma \leq 5.8819$

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2 years ago

Consider the division expression ÷2. Select all multiplication equations that correspond to this division expression.

Kitty [74]

Answer: hows ur day

Step-by-step explanation:

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2 years ago

Suppose you've just deposited $ 2,004 in a bank account which earns an annual rate of return of 12%. How much will you have in t

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Step-by-step explanation:

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2 years ago

A. 28.1 cm squared <br> B. 3.8 cm squared <br> C. 11.3 cm squared <br> D. 56.2 cm squared

Colt1911 [192]

Answer:

A. 28.1 cm^2

Step-by-step explanation:

a = bh

a = (7.6)(3.7)

a = 28.12 cm^2

a = 28.1 cm^2

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3 years ago

Can Someone Answer this if you know it, Thank You :))

FromTheMoon [43]

Note that A of a circle is A = pi*r^2.

Here, we use A = 3.14*r^2.

We are able to solve this for r^2: r^2 = A / 3.14

If A = 1964 square units, then r^2 = (1964 sq units) / 3.14, or about 625 sq units, so that r is about 25 units. This would be the largest possible radius.

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The radius would be between 24 and 25 units long (answer)

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2 years ago