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Lisa [10]
4 years ago
15

In this task, you have worked with numeric fractions and algebraic fractions (rational expressions). Describe how operations on

fractions with numbers are similar to, and different from, operations on fractions with variables.
Mathematics
1 answer:
MAXImum [283]4 years ago
4 0
When you use variables, you can end up with the denominator being zero which is undefined
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7 0
3 years ago
In circle L with m^KLM 54 and KL= 10 units, find the length of arc KM.
qwelly [4]

Given:

In circle L, measure of angle KLM is 54 degrees and KL = 10 units.

To find:

The length of arc KM.

Solution:

The formula for arc length is:

s=2\pi r\times \dfrac{\theta}{360^\circ}          ...(i)

Where, r is the radius of the circle and \theta is the central angle in degrees.

The measure of KL is 10 units, it means the radius of the circle L is 10 units.

The measure of angle KLM is 54 degrees, it means the measure of central angle on arc KM is 54 degrees.

Putting \pi=3.14, r=10,\theta=54^\circ in (i), we get

s=2(3.14)(10)\times \dfrac{54^\circ}{360^\circ}

s=20(3.14)\times 0.15

s=9.42

Therefore, the length of arc KM is 9.42 units.

3 0
3 years ago
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