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2 years ago

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ANYONE PLEASE HELP ME WITH MY MY MATH I HOPR Y'ALL CAN GRLP HELP ME I’LL MARK BRAINLIEST WHO CAN ANSWER IT CORRECTLY ((PS:PLEASE

DON’T WASTE MY POINTS

1 answer:

Reil [10]2 years ago

3 0

Hello mate,

Please check the answers in the attached image.

Hope it helps you...

<em>Answered</em><em> by</em><em> </em><em>Benjemin</em>

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A regular decagon has 10 sides. How many reflectional symmetries does a regular decagon have?

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The rule for regular polygons are very easy. The number of reflectional symmetries is same as the number of sides. Regular polygons have all sides the same length and all angles same. Reflection symmetry means that you can fold the shape along that line and it will match up.

For this question, we want the number of reflectional symmetries of a regular decagon. Decagon is a 10 sided figure. Hence, the number of reflectional symmetries is 10.

There are 5 symmetry lines from one vertex to opposite vertex and 5 more symmetry lines form midpoint of one side to midpoint of opposite side.

ANSWER: 10

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The answer is 20.5 feet, because when you draw out the triangle and label the angles and given sides and then use the law of sines, you end up with it.

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What is the mean of 2,7,5,4,3,3,5,5,6,5

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To solve for the mean (average), you need to add together all the numbers then divide by how many numbers there are. In this case, there are 10 numbers.

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Step-by-step explanation:

Use distributive property. Then use exponent law.

Exponent law used here = $a^{m}*a^{n}=a^{m+n}$

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3 years ago

The Ferris wheel has a radius of 70 feet. The distance between the wheel and the ground is 4 feet. The rectangular coordinate sy

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Answer:

The equation of the circular wheel is $x^2+(y-74)^2=(70)^2$ .

Step-by-step explanation:

Given :

Radius of Ferris wheel r = 70 feet.

The distance between the wheel and the ground = 4 feet.

Also, the rectangular coordinate system shown has its origin on the ground directly below the center of the wheel.

So the x coordinate of center of wheel must be 0 , and y coordinate = 70 + 4 = 74

Thus, Coordinates of center = (0,74)

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$(x-h)^2+(y-k)^2=r^2$

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