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Lemur [1.5K]
3 years ago
7

What is the minimum angle of rotation (in degrees) that will carry the star onto itself?

Mathematics
2 answers:
zloy xaker [14]3 years ago
3 0

Answer:

When you rotate the regular pentagon \begin{align*}72^\circ\end{align*} about its center, it will look exactly the same. This is because the regular pentagon has rotation symmetry, and \begin{align*}72^\circ\end{align*} is the minimum number of degrees you can rotate the pentagon in order to carry it onto itself.

Step-by-step explanation:

Lisa [10]3 years ago
3 0
\begin{align*}72^\circ\end{align*} is the minimum number of degrees
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3 years ago
Can someone help me find this
PSYCHO15rus [73]

Step-by-step explanation:

In triangle,

<u> XYZ</u> <u>PYZ</u>

XZ = PZ = 12cm

XY = PY = 5cm

YZ = YZ (Common side)

<em><u>Hence</u></em><em><u>,</u></em>

As three sides of the two triangles are equal so,

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7 0
3 years ago
Need your help asap trying to get 100%
marta [7]

Answer:

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12(properties) = 8 months

12/8 = 1 month

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2 months = 3 properties

(since 1.5 properties is unrealistic, but it helps in the math, to find for one month)

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4 0
4 years ago
Most plumbing companies charge a fee to come to your house plus a charge per hour of work. The fees and charges for two plumbing
lord [1]

Answer:

Company A: y=40x+50

Company B: y=50x+25

Step-by-step explanation:

The initial fee is the y-intercept, as that is the cost at x = 0, or the cost before any time has passed. Afterwards, the rate the cost increases is the slope.

Linear equation in slope-intercept form:

y=mx+b

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Company A charges $50 up front and $40 per hour afterwards, so the equation would be:

y=40x+50

Company B charges $25 up front and $50 per hour, so:

y=50x+25

7 0
3 years ago
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