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Katena32 [7]
1 year ago
8

Without multiplying, circle whether eac less than, or equal to the whole numbe 4 X 국 greater than less than equal to

Mathematics
1 answer:
hichkok12 [17]1 year ago
7 0

Given

1. 4 x 1/7

2. 12 x 2 5/6

procedure

4*\frac{1}{7}

1. The answer is 4 x 1/7 is less than 4

12*2\frac{5}{6}>12

2. The answer is 12 x 2 5/6 is greater than 12

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the frame of a picture is 28 cm by 32 cm outside and is of uniform width.What is the width of the frame if 192 cm2 of the pictur
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Answer:

The width of the frame is equal to 8\ cm  

Step-by-step explanation:

Let

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in this problem we have

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a=1\\b=-30\\c=176

substitute in the formula

x=\frac{30(+/-)\sqrt{(-30)^{2}-4(1)(176)}} {2(1)}

x=\frac{30(+/-)\sqrt{196}} {2}

x=\frac{30(+/-)14} {2}

x=\frac{30+14} {2}=22\ cm  ----> this solution is not logic

x=\frac{30-14} {2}=8\ cm  

The width of the frame is equal to 8\ cm  

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