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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
Mathematics
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)
UkoKoshka [18]

Answer:

f(-5)=28

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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3 years ago
Help please ..........
Pie

Answer:

#2 is the closest to the actual roots.

Step-by-step explanation:

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\frac{2}{3} is not a root, but 0.68078 is.

The other roots are -0.24572 and 4.9816.  The closest option is #2.

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2 years ago
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2 years ago
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zavuch27 [327]

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B.

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4 0
3 years ago
55 employees increased by 20 percent<br>please help!​
Rama09 [41]

Answer:

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