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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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

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A ____ is a pair of equal ratios. A. proportion B. decimal C. percent D. ratio
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Updated 151 days ago|4/27/2020 5:36:29 AM
A proportion is a pair of equal ratios.
Added 151 days ago|4/27/2020 5:36:29 AM
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
Updated 28 days ago|8/28/2020 11:17:38 PM
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
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)
Question
Updated 39 days ago|8/17/2020 1:24:19 PM
1235 ÷ 100 = 12.35
Added 39 days ago|8/17/2020 1:24:19 PM
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
Question
Updated 7/19/2016 2:41:11 PM
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
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
Question
Updated 7/19/2016 2:39:37 PM
113 + 154 = 267 is use for estimation to check 267 – 154 = 113.
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