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viva [34]
3 years ago
7

Tell whether the three-dimensional object has rotational symmetry about a line and/or reflectional symmetry in a plane.

Mathematics
2 answers:
tekilochka [14]3 years ago
7 0

The <em><u>correct answer</u></em> is:

Reflectional symmetry

Explanation:

Rotational symmetry is when a figure can be rotated less than 360° and be in the original orientation.  This figure cannot be rotated less than one full turn and look the same, so it has no rotational symmetry.

Reflectional symmetry is when a figure can be folded in half through some line.  This figure can be folded in half vertically, so it has reflectional symmetry.

jasenka [17]3 years ago
6 0
In your figure where as ask what kind of symmetry is shown in the figure of your problem and the best answer would be reflectional symmetry. I hope you are satistfied with my answer and if you need some clarification, please feel free to ask for more
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Which of the following sets of data will have the smallest Standard Deviation?
uranmaximum [27]

Answer: D

Step-by-step explanation:

Standard Deviation σ2 =

Σ(xi - μ)2/N

=(1 - 5.3)2 + ... + (9 - 5.3)2/10

=68.1/10

= 6.81

σ = √6.81

= 2.60959767014

B) σ2 =

Σ(xi - μ)2/N

=(3 - 61.7)2 + ... + (99 - 61.7)2/10

=58414.1/10

= 5841.41

σ = √5841.41

= 76.429117488036

C) (1 - 11.4)2 + ... + (1 - 11.4)2/10

=8758.4/10

= 875.84

σ = √875.84

= 29.59459410095

D) (79 - 79)2 + ... + (79 - 79)2/10

=0/10

= 0

σ = √0

= 0

I hope this helps, mark as Brainliest please.

6 0
3 years ago
On a cruise of 1125 passengers. 450 were female what fraction of passengers were male?
WINSTONCH [101]

Step-by-step explanation:

\\1125-450=675

\frac{675}{1125}=\frac{3}{5}

4 0
3 years ago
1. Try It # 1 A company sells doughnuts. They incur a fixed cost of $25,000 for rent, insurance, and other expenses. It costs $0
Y_Kistochka [10]

Answer:

The y-intercept is 25000 . The intercept is the fixed cost of the doughnut selling company.

Step-by-step explanation:

In the question, it is given that the fixed cost is $25000 and the expense to produce each doughnut is $0.25.

It is required to find and identify the y intercept.

To do so, use the equation derived in previous part of the exercise to interpret the slope. Compare the equation with standard equation of the line.

Step 1 of 1

The total cost of the company is the sum of fixed cost and the expenses for the doughnut, C=0.25x+25000.

Compare the equation with general linear equation y=mx+c.

The y-intercept is 25000 .

The intercept is the fixed cost of the doughnut selling company.

5 0
2 years ago
How do you write the algebraic notation when the scale factor is 1/2?
PIT_PIT [208]

Answer:

(x,y) = (.5x,5y)

Step-by-step explanation:

7 0
3 years ago
A flyer is spread by people at a large conference. Within one hour, the first person gives a stack of flyers to six people. With
Mandarinka [93]

Answer:

In summation form \sum_{n = 1} ^{5} 6(6)^{n - 1}

Step-by-step explanation:

Within one hour, the first person gives a stack of flyers to six people and within the next hour, those six people give a stack of flyers to six new people.

So, in the first 5 hours, the summation of people that receive a stack of flyers not including the initial person will be given by

6 + (6 × 6) + (6 × 6 × 6) + (6 × 6 × 6 × 6) + (6 × 6 × 6 × 6 × 6).

So, in summation form \sum_{n = 1} ^{5} 6(6)^{n - 1}

Therefore, Sigma-Summation Underscript n = 1 Overscript 5 EndScripts 6 (6) Superscript n minus 1, gives the correct solution. (Answer)

3 0
3 years ago
Read 2 more answers
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