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Doss [256]
3 years ago
9

A rectangle is 8 inches long and 4 inches wide. A similar rectangle is 12 inches long. What is the width of the second rectangle

to the nearest inch?
Mathematics
1 answer:
Charra [1.4K]3 years ago
6 0
The ratio between the length and the width of the first rectangle=
l/w=2/1

Apply this to the second rectangle which have the length of 12 inches pong, so we just need to take 12÷2=6 inches. As a result, the width of the second rectangle is 6 inches. Hope it help!
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The width of a rectangular field is 20 feet less than its length. The area of the field is 12,000 ft? What is the length of the
Scilla [17]

Answer:

The answer is 120 feet.

Step-by-step explanation:

The area of the field (A) is:

A = w · l       (w - width, l - length)

It is known:

A = 12,000 ft²

l = w - 20

So, let's replace this in the formula for the area of the field:

12,000 = w · (w - 20)

12,000 = w² - 20

⇒ w² - 20w - 12,000 = 0

This is quadratic equation. Based on the quadratic formula:

ax² + bx + c = 0      ⇒  

In the equation w² - 20w - 12,000 = 0, a = 1, b = -20, c = -12000

Thus:

So, width w can be either

or

Since, the width cannot be a negative number, the width of the field is 120 feet.

6 0
2 years ago
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Will give branliest <33
dimulka [17.4K]

Answer:

A

Step-by-step explanation:

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Alex17521 [72]
Speed = distance ÷ time so it's probably
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What is the answer to 5m + 30 = 60
Keith_Richards [23]

Answer:

m = 6

Step-by-step explanation:

Given

5m + 30 = 60 ( subtract 30 from both sides )

5m = 30 ( divide both sides by 5 )

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6 0
3 years ago
Find the area of the following circle. (Round answer to the nearest whole number.) Circumference = 280 cm. (Hint: Find r from C
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Find r :
C=2πr
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A=6246 cm²

Answer : 4)6,246
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