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dolphi86 [110]
3 years ago
11

A hospital did a ten-year study on patients who used its services. One thousand patients were randomly selected and followed ove

r
a period of ten years to determine the average number of visits per year. By the end of the ten year period some of the patients
had left the area. Identify the problem with the poll.
Mathematics
1 answer:
Ugo [173]3 years ago
8 0

Answer:

s

Step-by-step explanation:

s

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Dana has 4 hours to spend training for an upcoming race. She completes her training by running full speed the distance of the ra
Sedaia [141]

Answer:

2hrs 40 minutes

Step-by-step explanation:

The formula for distance is expressed as:

d=st, s=speed, t=time

#The time taken to run:

d=st\\\\t=d/s\\\\t_r=d/8

#The time taken to walk:

d=st\\\\t=d/s\\\\t_w=d/2

#Since the distances are the same:

d_r=8t_r,d_w=2t_w\\\\8t_r=2t_w\\\\t_r+t_w=4->t_w=4-t_r\\\\\therefore8t_r=2(4-t_r)\\\\8t_r=8-2t_r\\\\t_r=1\frac{1}{3} \hrs\\\\t_w=4-1\frac{1}{3}=2\frac{2}{3}\ hrs

Hence, Dana spends 2hrs 40 minutes walking back

8 0
3 years ago
Jalen is buying a new car. Model: compact, luxury, sport Transmisión: automatic, manual Color: red, blue, black, yellow Jalen de
Gwar [14]
<h3>Jalen can decide a yellow car in 6 possible ways.</h3>

Step-by-step explanation:

The total number of options in Model  = 3

{Compact, Luxury, Sport}  

The total number of options in Transmission  = 2

{Automatic, Manual }

The total number of options in color  = 4

{Red, Blue, Black, Yellow }

The color he has decided is <u>YELLOW.</u>

<u></u>

So, the total number of options in model is 3 and transmission is 2.

⇒ The number of ways that can be decided  = 3 x 2  = 6 ways

So Jalen can decide a yellow car in 6 possible ways.

3 0
3 years ago
In a classroom, 2/12 of students play baseball,4/12 play football,1/12 are in the chorus,and the rest participate in volunteer p
777dan777 [17]
12/12 would be the fraction of all students...now subtract all of the fractions that represent students not in the volunteer programs...

12/12-2/12-4/12-1/12

(12-2-4-1)/12

5/12

So 5/12 of the student participate in volunteer programs.
8 0
3 years ago
Find sin j? Please I don’t understand
Nataliya [291]
<h3>Answer:   C) 4/8 = 0.5</h3>

=========================================================

Explanation:

The sine ratio involves the opposite over hypotenuse.

With respect to reference angle J, the opposite leg is the one furthest from the angle. So the opposite side is KL = 4. The hypotenuse is always the longest side, always opposite the 90 degree angle, so LJ = 8 is the hypotenuse.

sin(angle) = opposite/hypotenuse

sin(J) = KL/LJ

sin(J) = 4/8

sin(J) = 0.5

3 0
3 years ago
Ill mark brainlist plss help
timurjin [86]
The answer is the choice of meter
5 0
3 years ago
Read 2 more answers
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