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german
3 years ago
12

The circumference of Fis 120 cm. What is the length of DË (the minor arc)?

Mathematics
1 answer:
Afina-wow [57]3 years ago
6 0

Answer:

15cm

Step-by-step explanation:

Let x be the arc circumference.

The circumference  of a circle usually subtends to 360°, that is, one complete revolution is 360°.

#Given the arc angle as 45° and the  circumference as 120cm, the arc circumference can be obtained as:

#Apply proportions to find x:

360\textdegree=120cm\\45\textdegree=x\\\\x=(120/360)\times 45\\\\x=15cm

Hence, the arc circumference is 15cm

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What is the equation of the circle with center (0, 0) that passes through the point (-8, 3)?
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Ms. wilson draws a model of the factorization of a polynomial with integer factors. her model is partially complete. a 2-column
lana [24]

The equation represented by Ms. Wilson's model is n² + 13n + 40 = (n + 8)(n + 5)

<h3>How to determine the equation of the model?</h3>

The partially completed model is given as:

    |  n

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5   | 5n  |  40

By dividing the rows and columns, the complete model is:

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n   |  n²  |  8n

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Add the cells, and multiply the leading  row and columns

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n² + 13n + 40 = (n + 8)(n + 5)

Hence, the equation represented by Ms. Wilson's model is n² + 13n + 40 = (n + 8)(n + 5)

Read more about polynomials at:

brainly.com/question/4142886

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