Mathematics, 13.11.2020 22:10 bm42400
1 Select the correct answer. The user manual for Layla's phone notes that the device can be damaged when operated at temperatures below -20°C and above 45°C. Layla wants to know what these ranges are in degrees Fahrenheit and writes these inequalities to rewrite the relationship where Fis degrees Fahrenheit (F - 32) < -20 O F - 32) > 45 Which statement best describes the temperature ranges Layla should avoid while using her phone?
O A. Layla should avoid using her phone in temperatures below -4°F and above 113°F.
OB. Layla should avoid using her phone in temperatures above -4°F and below 113°F.
O c. Layla should avoid using her phone in temperatures below 21°F and above 57°F.
OD. Layla should avoid using her phone in temperatures above 21°F and below 57°F.
Answers: 3
Mathematics, 21.06.2019 17:30
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Mathematics, 21.06.2019 22:00
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Mathematics, 22.06.2019 01:30
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Mathematics, 22.06.2019 02:00
Prove the following(cot0+cosec0)[tex](cot0 + cosec0) { }^{2} = \frac{1 + cos0}{1 - cos0} [/tex]
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1 Select the correct answer. The user manual for Layla's phone notes that the device can be damaged...
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