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IrinaVladis [17]

2 years ago

6

A rectangular garden has side lengths of 12 feet and (x+10) feet. The garden has an area of 480 square feet. Write an equation a

nd solve for x

1 answer:

Eddi Din [679]2 years ago

7 0

Answer:

Step-by-step explanation:

12+x+10=480

22+x=480

x=458

2(12)+2(x+10)=480

24+2x+20=480

44+2x=480

2x=436

x=218

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F(x)=x^2-2x-7 <br> given the polynomial function find f(-5)

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Answer:

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Step-by-step explanation:

f(x)=x²-2x-7

f(-5) means that we have to replace x by -5.

f(-5)=(-5)²-2(-5)-7=25+10-7=25+3=28

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Step-by-step explanation:

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