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Vilka
7 days ago
11

There are 130 people in a sport centre. 73 people use the gym. 62 people use the swimming pool. 58 people use the track. 22 peop

le use the gym and the pool. 29 people use the pool and the track. 25 people use the gym and the track. 11 people use all three facilities. A person is selected at random. What is the probability that this person doesn't use any facility
Mathematics
1 answer:
zzz [12.3K]7 days ago
6 0
p(the individual does not use any facilities)= 59/130
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HELP PLZ!
tester [12383]
I believe this is correct.
6 0
12 days ago
If George is 33 1/3% richer than Pete, than Pete is what percent poorer than George?
AnnZ [12381]

Answer:

25%

Step-by-step explanation:

George has a wealth that is 33\frac{1}{3}% (\frac{100}{3}%) greater than Pete's. Let’s assume Pete's wealth percentage is 100%.

Thus, George's wealth percentage = 100% + \frac{100}{3}%

                                                           = \frac{400}{3}%

                                                           = 133\frac{1}{3}%

To find out how much poorer Pete is compared to George, we can calculate;

                                                           = (\frac{100}{3}) ÷ (\frac{400}{3} ) × 100

                                                           = (\frac{100}{3}) × \frac{3}{400} × 100

                                                           = 0.25 × 100

                                                           = 25%

Pete is 25% less wealthy than George.

3 0
1 month ago
What teacher exhibited the most consistent performance over this 5 year span
lawyer [12517]
Is there meant to be an image?
4 0
1 month ago
Two planes A and B can each fly through still air at 550 mph. The distance from Paris to Los Angeles is 5000 miles. Wind blows f
PIT_PIT [12445]

Answer:2688.63 miles

Step-by-step explanation:

Given

The distance from Paris to Los Angeles d=5000 miles

Wind traveling at 100 mph from Los Angeles to Paris

The velocity of the plane through still air is v=550 mph

Relative velocity of Plane A is v_a=550-100 =450 mph since Plane A is heading against the wind

Relative velocity of Plane B is v_b=550+100=650 mph

Plane A departs at noon

Distance covered by Plane A in 1 hour =450\times 1=450 miles

The total separation distance between the planes is 5000-450=4550 miles

Assuming they meet after t hours

Distance covered by Plane B in that time frame =v_b\times t=650\times t

Distance traveled by Plane A in t hours is =v_a\times t=450 t

The total distance equals 4550 miles

4550=650t+450t

t=\frac{4550}{1100}

t=4.13 hr

Distance traveled by B is =650\times 4.136=2688.63 miles

thus, they meet at a point 2688.63 miles away from Los Angeles.

5 0
1 month ago
Aaron draws a segment in his notebook. What is the minimum number of points through which the segment is drawn?
PIT_PIT [12445]

Answer:

The result is 2

Step-by-step explanation:

A segment requires at least 2 points for its construction.

In geometry, a line segment refers to a section of a line defined by two unique endpoints, encompassing all points located along the line segment between these endpoints.

5 0
1 month ago
Read 2 more answers
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