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icang [17]
3 years ago
10

Is each expression algebraic or numerical a. 7/2 b. 4m + 6 c. 2(5 - 4)

Mathematics
1 answer:
kicyunya [14]3 years ago
4 0
A is numerical
b is algebraic
c is numerical
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under which of the following operations are the polynomials 8a 14 and 3b - 9 not closed? a. subtraction b. multiplication c. add
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Find the measure of the indicated arcs or central angles in OA. DG is a diameter.
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Answer:

Arc DE = 90°

m<GAB = 82°

Arc DC = 49°

Step-by-step explanation:

Given:

m<EAF = 74°

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Required:

Arc DE,

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Solution:

Recall that the central angle measure = the intercepted arc measure.

Therefore:

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m<CAD = ½(180 - 82)

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Arc DC = m<CAD

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