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Write the following proportion using colons. 7 is to 21 as 3 is to 9. A. 7:21 = 3:9 B. 7:3 = 21:9 C. 7:21 = 9:3 D. 21:7 = 3:9
The proportions 7 is to 21 as 3 is to 9 written using colons is 7:21 = 3:9.
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Asked 7/19/2016 1:42:50 PM
Updated 39 days ago|8/17/2020 1:23:25 PM
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The proportions 7 is to 21 as 3 is to 9 written using colons is 7:21 = 3:9.
Added 39 days ago|8/17/2020 1:23:25 PM
This answer has been confirmed as correct and helpful.
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A ____ is a pair of equal ratios. A. proportion B. decimal C. percent D. ratio
Question
Updated 151 days ago|4/27/2020 5:36:29 AM
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A proportion is a pair of equal ratios.
Added 151 days ago|4/27/2020 5:36:29 AM
This answer has been confirmed as correct and helpful.
Which of the following shows 12 28 written in prime factored form to help in reducing the fraction to simplest form? A. 6×2 7×4 B. 3 7 C. 3×2×2 7×2×2 D. 7×2×2 3×2×2
Question
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Updated 28 days ago|8/28/2020 11:17:38 PM
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12/28 written in prime factored form to help in reducing the fraction to simplest form is 2*2*3/2*2*7.
Added 28 days ago|8/28/2020 11:17:38 PM
This answer has been confirmed as correct and helpful.
What's one way to check the answer to 5 × 6 = 30? A. 30 × 5 = 6 B. 30 × 6 = 5 C. 30 ÷ 6 = 5 D. 5 ÷ 6 = 30
Weegy: 5 6 = 30 User: Solve 1235 ÷ 100 A. 1.235 B. 12.35 C. .1235 D. 123.5 (More)
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Updated 39 days ago|8/17/2020 1:24:19 PM
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1235 ÷ 100 = 12.35
Added 39 days ago|8/17/2020 1:24:19 PM
This answer has been confirmed as correct and helpful.
Which is another way to check the sum of 104 + 34 + 228 + 877? A. 877 + 228 + 34 + 104 B. 877 – 228 – 34 – 104 C. 877 – 104 + 34 + 228 D. 34 – 104 + 228 + 877
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Updated 7/19/2016 2:41:11 PM
1 Answer/Comment
877 + 228 + 34 + 104 is another way to check the sum of 104 + 34 + 228 + 877.

104 + 34 + 228 + 877 =1243
877 + 228 + 34 + 104 =1243
Added 7/19/2016 2:41:11 PM
This answer has been confirmed as correct and helpful.
Which of the following uses estimation to check 267 – 154 = 113? A. 300 – 150 = 150 B. 113 + 154 = 267 C. 270 – 150 = 120 D. 300 – 200 = 100
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Updated 7/19/2016 2:39:37 PM
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113 + 154 = 267 is use for estimation to check 267 – 154 = 113.
Added 7/19/2016 2:39:37 PM
This answer has been confirmed as correct and helpful.
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