Answer: The number of days would be 7 days.
Step-by-step explanation:
Since we have given that
Variance = 30°
Standard deviation = √30 = 5.47
Mean = 4°
At 95% confidence, z = 1.96
So, number of days that the researcher select to measure the temperature would be

Hence, the number of days would be 7 days.
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Answer:3×x=15
x=15÷3.
X=5
<h2>5 is the correct answer</h2><h3>
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<em>answer </em><em>is </em><em>5</em><em> </em><em>because</em><em> </em><em>1</em><em>5</em><em> </em><em>divided</em><em> </em><em>b</em><em>y</em><em> </em><em>3</em><em> </em><em> </em><em>is </em><em>5</em><em> </em><em>3</em><em>×</em><em>5</em><em>=</em><em>1</em><em>5</em><em> </em>
Answer: the first option
Step-by-step explanation:
A reflection means that the object is flipped.
Answer: what’s the question ?