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guapka [62]
3 years ago
5

Please help me thank you

Mathematics
2 answers:
Anna35 [415]3 years ago
8 0

Answer:

b = 20 when a = 8.

Step-by-step explanation:

For this problem, we will simply plug the value of a=8 into the given equation for b, to find the value of b.

b = [ (a)^2 / 4 ] + 4

b = [ (8)^2 / 4 ] + 4

b = [ 64 / 4 ] + 4

b = [ 16 ] + 4

b = 20

Hence, when the value of a=8, then the value of b=20.

Cheers.

valentinak56 [21]3 years ago
6 0

Answer:

20

Step-by-step explanation:

b = a^2/4 +4

Let a =8

b = 8^2 /4 +4

  = 64/4 +4

   = 16 +4

   = 20

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The length and width of a new rectangle playing field are 214 yards and 52 yards respectively.

<h3>What is the area of the rectangle?</h3>

It is defined as the area occupied by the rectangle in two-dimensional planner geometry.

The area of a rectangle can be calculated using the following formula:

Rectangle area = length x width

We have:

The length of a new rectangle playing field is 6 yards longer than quadruple the width.

Let's suppose the length is l and width is w of a rectangle:

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Answer:

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We rewrite the given equation as follows:

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