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Katena32 [7]
3 years ago
7

Hewo!! Pls help me on this one guys, I'm stuck.

Mathematics
2 answers:
lutik1710 [3]3 years ago
8 0

Answer:

A. It has one face that is a decagon.

C. It has 11 faces.

D. It has 20 edges.

Step-by-step explanation:got it right in edgenuit y

garri49 [273]3 years ago
3 0

True Statements

It has one face that is a decagon.

It has 11 faces.

It has 20 edges.

False Statements

It has two faces that are decagons.

It has 20 vertices.

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Given a sphere with a radius of 3cm, find its volume to the nearest whole number.
Travka [436]

Answer:

V≈113.1cm³  radius = 3 cm

Step-by-step explanation:

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3 years ago
Javier is considering two lawn care services. Premier Landscaping charges $15.00 for travel to the job site and $55.00 per hour
Wittaler [7]

Answer:

Time in which both companies charge same cost = 1.5 hour

Step-by-step explanation:

Given:

                                                        Fixed    Variable

Premier Landscaping charges          $15        $55

Ace Landscaping charges                               $65

Find:

Time in which both companies charge same cost:

Computation:

Assume in X time both companies charge same cost:

So,

Premier Landscaping total cost = Ace Landscaping total cost

⇒ $15 + $55(Time taken) = $65 (Time taken)

⇒ $15 = $65 (Time taken) - $55(Time taken)

⇒ $15 = $10 (Time taken)

⇒ Time taken = 1.5 hour

Time in which both companies charge same cost = 1.5 hour

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3 years ago
Write an inequality to describe the relationship between -1 2/3 and-1/4
Ivenika [448]

Step-by-step explanation:

- 1⅔ < -¼

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3 years ago
Which expression can be used to convert 22 Australian dollars to US dollars?
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Researchers ask a random sample of 1,001 adults nationwide whether they favor or oppose the legalization of marijuana. Fifty-fiv
natima [27]

Answer:

b. It will decrease by a factor of 2

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of \pi, and a confidence interval 1-\alpha, we have the following confidence interval of proportions.

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

In which

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The lower end of the interval is given by:

\pi - z\sqrt{\frac{\pi(1-\pi)}{n}}

The upper end of the interval is given by:

\pi + z\sqrt{\frac{\pi(1-\pi)}{n}}

The length of the interval is the subtraction of the upper end by the lower end, so it is:

L = 2z\sqrt{\frac{\pi(1-\pi)}{n}}

This means that the length is inverse proportional to the square root of the size of the sample.

So, if the sample size is multiplied by 4, the length of the interval is going to decrease by a factor of 2.

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