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Lilit [14]
3 years ago
11

Will you help me?

Mathematics
1 answer:
Volgvan3 years ago
8 0

Answer:

The length side of the original square banner was 9 ft

Step-by-step explanation:

Let

x-----> the length side of the original square banner

we know that

The new area of the banner is equal to

91=(x+4)(x-2)

Solve for x

91=(x+4)(x-2)\\ \\91=x^{2}-2x+4x-8\\ \\x^{2}+2x-99=0

Solve the quadratic equation by graphing

The solution is x=9 ft

see the attached figure

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When purchasing bulk orders of​ batteries, a toy manufacturer uses this acceptance sampling​ plan: Randomly select and test 49 b
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Answer:

Step-by-step explanation:

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4 0
3 years ago
Please tell me answer not by directly step by step please don't write answer only please please please
irinina [24]

Step-by-step explanation:

Given,

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Hence,

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