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Burka [1]
2 years ago
14

Elena starts her new job working at an office supply store. She works for 6 hours and makes a total of $54.

Mathematics
1 answer:
docker41 [41]2 years ago
4 0

Answer:

<u>I </u><em><u>believe </u></em><u>the answer would be A.</u>

Step-by-step explanation:

A says 6 x h is 54.

            ^    ^      ^

            important!

6 is the number of hours.

h is how much money made per hour.

54 is the total after working 6 hours.

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Suppose taxi fare from Logan Airport to downtown Boston is known to be normally distributed with a standard deviation of $2.50.
Mariulka [41]

Answer:

95% Confidence interval for taxi fare:  ($20.5,$24.2)

Step-by-step explanation:

We are given the following data set: for fares:

$22.10, $23.25, $21.35, $24.50, $21.90, $20.75, and $22.65

Formula:

Mean = \displaystyle\frac{\text{Sum of all observations}}{\text{Total number of observation}}

Mean =\displaystyle\frac{156.5}{7} = 22.35

95% Confidence interval:

\bar{x} \pm z_{critical}\frac{\sigma}{\sqrt{n}}

Putting the values, we get,

z_{critical}\text{ at}~\alpha_{0.05} = 1.96

22.35 \pm 1.96(\frac{2.5}{\sqrt{7}} ) = 22.35 \pm 1.85 = (20.5,24.2)

6 0
2 years ago
A rectangle has an area of 40cm cubed and a length of eight cm sketch the rectangle and grind the width
crimeas [40]
40 divided by 8= 5
the width is 5
6 0
2 years ago
Which is equivalent to 2 5/6<br><br>A. 5/3<br>B. 7/6<br>C. 17/6<br>D. 12/5
Dimas [21]
The answer would be C (17/6)
This is because;
6 goes into 17 twice leaving a reminder of 5.
8 0
2 years ago
Read 2 more answers
10 burgers cost $600 what is the cost of 1 burger and what will 15 burgers cost​
attashe74 [19]

Answer:

The cost of 1 burger is $60 (600 ÷ 10)

The cost of 15 burgers is 900 (15 x 60)

3 0
3 years ago
Read 2 more answers
Which numerical expression correctly
ExtremeBDS [4]

Answer: The answer is (9+2) - 4

Step-by-step explanation:

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3 years ago
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