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tamaranim1 [39]
2 years ago
12

A rectangle has a length at most two more than seven times the width. If the perimeter is less than or equal to 52 units, find t

he lest possible width and length.
Mathematics
1 answer:
ella [17]2 years ago
7 0

7x + 2 \leqslant 52
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The ages of three children in a family can be expressed as consecutive integers. The square of the age of the youngest child is
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Answer: 10, 11, & 12

<u>Step-by-step explanation:</u>

Let x represent the age of the youngest child.  

Their ages are consecutive so,

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Oldest: x + 2

The age of the Youngest squared (x²) equals 8 times the Oldest [8(x + 2)] plus 4.

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x² = 8x + 20

x² - 8x - 20 = 0

(x - 10)(x + 2) = 0

x - 10 = 0     or      x + 2 = 0

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Since age cannot be negative, x = -2 is not valid

So, the Youngest (x) is 10

the Middle (x + 1) is 11

and the Oldest (x + 2) is 12

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3 years ago
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kvasek [131]
The answer is 60 square cm

How to solve:

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3 years ago
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nekit [7.7K]

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i think the answer is 25q - 5 / 4

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2 years ago
How do you find the missing length indicated
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What is the length? Can you post a picture?
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A rectangular flowerbed at a city park has an area of 126 square meters.the width of the flowerbed is 3 meters.what is the perim
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First we need to find the length. So we do 126/3 to get 42. The length is 42. Now to find perimeter we do 2(42)+2(3) or 42+42+3+3.

Both ways are right ways. The perimeter is 90 meters.

Hope that helps!!

6 0
3 years ago
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