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Tanya [424]
2 years ago
6

Sophie spends a winter day recording the temperature once every three hours for science class. At 9 am, the temperature was -8.6

°F. Between 9am and noon, the temperature rose 4.7°F. Between noon and 3pm, the temperature dropped 13.7°F. Between 3pm and 6pm, the temperature went down 14.1°F. What was the temperature at 6pm?
Mathematics
2 answers:
GarryVolchara [31]2 years ago
4 0
Susysyshdh xhdudhdh do xhxg xhxgx
alisha [4.7K]2 years ago
3 0

Answer:

Step-by-step explanation:

I have the same question :(((

sry

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Express the confidence interval 0.319 < p < 0.488 in the form of p ± E.
KengaRu [80]

Answer:

0.4035+/-0.0845

Step-by-step explanation:

The fundamental step would be to determine the values of p and E which i believe is the margin of error in this case. Consider the following two equations;

p-E=0.319\\p+E=0.488

We simply add the two equations and solve for p;

2p=0.807\\p=0.4035

We then substitute this value of p in either equation and solve for E;

0.4035-E=0.319\\E=0.0845

Since we have both p and E, the confidence interval can thus be written as;

0.4035+/-0.0845

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