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dolphi86 [110]
2 years ago
15

How to estimate to the nearest tens 671×32

Mathematics
1 answer:
aleksandrvk [35]2 years ago
8 0

20, 100

Step-by-step explanation:

You look at the tens column, in this case the numbers would be "7" in the "671" and the "3" in the "32". If you're rounding the tens column you look at the ones column and if the number is bellow 5 you round down, if its 5 nd over you round up. Since the number is 1 in the ones column that means the 7 will round down so it would be "670", for "32" the number is "2" (which is bellow 5) so we will round down again to "30". This will leave you with the equation 670×30 which is 20, 100.

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The length of a rectangle is 6 in longer than its width.if the perimeter of the rectangle is 68in find the length and width ?
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The length and the width of the rectangle are 20 and 14 inches respectively

<h3>How to find the length and width?</h3>

The given parameters are:

Length = 6 + Width

Perimeter = 68 inches

The perimeter of a rectangle is calculated as:

Perimeter = 2 * (Length + Width)

So, we have:

2 * (Length + Width) = 68

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Length + Width = 34

Substitute Length = 6 + Width in Length + Width = 34

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Evaluate the like terms

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Substitute Width = 14 in Length = 6 + Width

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Hence, the length and the width of the rectangle are 20 and 14 inches respectively

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=============================

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