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valina [46]
3 years ago
14

Find the least common multiple for each set of whole numbers.

Mathematics
1 answer:
frez [133]3 years ago
7 0
Hello!

(16) List the multiples of each number and see which is common

2 ⇒ 2, 4, 6, 8, 10, 12
3 ⇒ 3, 6, 9, 12

12 is the LCM OF 2 and 3

(17) List the multiples of each number and see which is common

4 ⇒ 4, 8, 12, 16, 20
5 ⇒ 5, 10, 15, 20

20 is the LCM OF 4 and 5

(18) List the multiples of each number and see which is common

3 ⇒ 3, 6, 9, 12, 15, 18, 21, 24
4 ⇒ 4, 8, 12, 16, 20, 24
8 ⇒ 8, 16, 24

24 is the LCM OF 3, 4, and 8
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Which ordered pair is a solution of this equation
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Step-by-step explanation:

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3 years ago
Geometry help?? 11-13
aalyn [17]
I'm guessing these are regular polygons so... here goes.... 11. angle 1 is (8-2)*180= 1080 then divide that by 8 (how many angles there are ) to get 135. angle 2 is 360/8 (the sum of the exterior angle is always 360) which is 45 and multiply it by 2 (because the two polygons are stuck together) to get 90.
12. it says 2 squares so angle 4 is definitely 90. angles 3 and 5 would be 45 because it's an isosceles right triangle meaning that 1 angle is 90 and that the total of the other two angles would be 90 as a triangle angle sum is 180 and since it's isosceles just divide 90 by 2 because the 2 angles are the same getting 45for angles 3 and 5.
13. the triangle includes 2 exterior angles so...360 divided by 8 = 45 (this is the measure of each exterior angle of the polygon)
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