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zubka84 [21]
3 years ago
10

Identify the prime numbers in the following lists.

Mathematics
2 answers:
Gnoma [55]3 years ago
5 0
A. 5,7,11
b. 3
c 31,17
d. 2,61
azamat3 years ago
4 0
A prime number is a number that only one times that number can be done
5 is prime only 1x5 and 5x1
a. 5,7,11
b. 3 not 14 cuz 1x14 and 2x7
c. 31,17. Not 9 cuz 1x9 and 3x3 not 15 cuz 1x15 and 3x5
d. 61,2 not 782 cuz 1x782 and 2x391
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Answer:

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Step-by-step explanation:

Let us revise some important facts in the circle

The measure of the center angle is equal to the measure of its subtended arc

The measure of the inscribed angle is equal to half the measure of the central angle subtended by the same arc

The vertex of a central angle is the center of the circle and its sides are radii in the circle

The vertex of an inscribed angle is a point on the circle, and its sides are chords in the circle

In circle D

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∴ ∠ADC is a central angle subtended by arc AC

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- Add 8 to both sides

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∴ m∠ABC =  m∠ADC

∴ m∠ABC =  × 72

∴ m∠ABC = 36°

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