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Paul [167]
3 years ago
13

Independent Practice

Mathematics
1 answer:
Eva8 [605]3 years ago
6 0

Answer:

B. 57°F

Step-by-step explanation:

Given:

F = n/4 + 37

Where,

F = temperature in degrees Fahrenheit

n = number of times per minute crickets chirps

Find F when n = 80

F = n/4 + 37

F = 80/4 + 37

= 20 + 37

= 57

F = 57 °F

B. 57 °F

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Step-by-step explanation:

Let

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y ----> the original width of the piece of​ metal

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930=(x-10)(y-10)5

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x=y+25 ----> equation B

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using a graphing tool

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see the attached figure

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