Direction Put a check () on the line if the proportion shows direct proportion and put a cross (X) if it does not 1. 12.4 - 24.8 2.8.5 = 4:10 3.30-18.36:15 4.9.2 - 3:1 5.5:3- 25:15 6. 4:15 12:45 7. 12:4 - 24.8 8. 5: 428 9.36:15 - 30:16 10. 12:5-10.5
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Answer:
PROPORTION
Put a check (/) if the proportion shows direct proportion and put a cross (x) if it does not.
To determine a direct proportion, multiply the means and extremes of the ratio. If the values are equal, then it is a direct proportion.
1. 10:2, 6:1
10 • 1 = 10
6 • 2 = 12
10 = 12 (X)
2. 7:9, 21:27
7 • 27 = 189
9 • 21 = 189
189 = 189 (/)
3.5: 25, 3:15
5 • 15 = 75
25 • 3 = 75
75 = 75 (/)
4.9: 12, 10:13
9 • 13 = 117
12 • 10 = 120
117 = 120 (X)
5.8:13, 12:15
8 • 15 = 120
13 • 20 = 260
120 = 260 (X)
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Step-by-step explanation:
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