255 minutes
<em><u>we </u></em><em><u>know </u></em><em><u>that </u></em>
<em><u>1</u></em><em><u> </u></em><em><u>hour </u></em><em><u>=</u></em><em><u> </u></em><em><u>6</u></em><em><u>0</u></em><em><u> </u></em><em><u>minutes</u></em>
<em><u>then </u></em><em><u>according</u></em><em><u> </u></em><em><u>to</u></em><em><u> </u></em><em><u>unitary </u></em><em><u>method</u></em>
<em><u>4</u></em><em><u>*</u></em><em><u>1</u></em><em><u>/</u></em><em><u>4</u></em><em><u> </u></em><em><u>hours </u></em><em><u>=</u></em><em><u> </u></em><em><u>1</u></em><em><u>7</u></em><em><u>/</u></em><em><u>4</u></em><em><u>*</u></em><em><u>6</u></em><em><u>0</u></em>
<em><u>=</u></em><em><u> </u></em><em><u>2</u></em><em><u>5</u></em><em><u>5</u></em><em><u> </u></em><em><u>minutes</u></em>
<em><u>hope</u></em><em><u> it</u></em><em><u> helps</u></em>
Answer:
2.2 %
Step-by-step explanation:
1.39 / 64.51 = 0.02154...
Answer:
15
Step-by-step explanation:
Opposite sides in a parallelogram are equal.
2x - 5 = x + 10
Subtract x and add 5 on both sides.
2x - x = 10 + 5
Combine like terms.
x = 15
Answer:
568 minutes were used
Step-by-step explanation:
95.16 - 27 = 68.16 ÷ 0.12 = 568 minutes
Answer: 
Step-by-step explanation:
Given : Sample size :
, which is a small sample (, 30) so we use t-test.
Sample mean : 
Standard deviation : 
Significance level : 
Critical value : 
The confidence interval for population mean is given by :-

Hence, a 95% confidence interval for the population mean
= 