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Marizza181 [45]
2 years ago
10

Can I please have help on question b) thank you!!!

Mathematics
1 answer:
lbvjy [14]2 years ago
3 0

Answer:

mean = 148

median = 150.5

range = 60

Step-by-step explanation:

mean = sum divided by number of data

median = (n+1)/2

range = highest data-lowest data

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Theo, Nancy, and Mary each drove separately to meet at Approximately how
Step2247 [10]

Mary's house is approximately 49.73 miles from her grandmother's house.

The distances the three drove were;

Mary drove for 49.73 miles, Theo drove 50 miles and Nancy drove 53.299 miles.

Explanation:

  • The given triangle has a 13 mile long adjacent side, a 48 mile long opposite side and the distance of Mary's route is the hypotenuse. As we have two sides of the triangle, we can solve for the length of the other side by using Pythagoras' theorem.
  • Assume the hypotenuse of the triangle measures x miles. According to Pythagoras theorem, x = √(13² + 48²) , x = √169 + 2,304 x = √2,473 = 49.729. Rounding this off, we get Mary's route was 49.73 miles long.
  • Nancy drove √2,840 miles = 53.2916 miles.
  • So Mary drove the shortest distance of 49.73 miles, second shortest was Theo who drove for 50 miles and the longest was Nancy who drove for 53.299 miles.

8 0
3 years ago
Read 2 more answers
A study of the career paths of hotel general managers sent questionnaires to an SRS of 160 hotels belonging to major U.S. hotel
otez555 [7]

Answer:

(10.78483, 12.61517)

Step-by-step explanation:

It is given that the genera mangers of few hotels were sent some questionnaires for conducting a study for the career paths in the major hotel chains of the United States.

Number of hotels = 160

Number of response received = 103

The average number of years these general mangers was in their current hotels, $\bar x$ = 11.7 years

Confidence Interval, CI = 0.99

Therefore,

a = 0.01, |Z(0.005)|  (from standard normal table)

∴ 99% of CI =  $\bar x \pm Z \times \frac{s}{\sqrt n}$

                   $= 11.7 \pm 2.58 \times \frac{3.6}{\sqrt {103}}$

                    $(10.78483, 12.61517)$

3 0
3 years ago
(-3,20) (3,0) (18,20) (13,18) is it a function
S_A_V [24]

Answer: No

Step-by-step explanation: The table does not have a function rule that is linear, quadratic, or cubic.

4 0
3 years ago
Ms. B drives a maximum of 10 miles per week. If she drives 5 days per week, how much per day?
DanielleElmas [232]

Answer:

2 miles about

Step-by-step explanation:

10 miles max divided by 5 days is two miles per day

7 0
3 years ago
URGENT PLEASE HELP!!!20 POINTS!!!
VashaNatasha [74]
Add them all together and multiply by 2
3 0
4 years ago
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