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anastassius [24]
3 years ago
15

At the Olympic games, many events have several rounds of competition. One of these events is the men's 100100100-meter backstrok

e.
The upper dot plot shows the times (in seconds) of the top 888 finishers in the final round of the 201220122012 Olympics. The lower dot plot shows the times of the same 888 swimmers, but in the semifinal round.


Which pieces of information can be gathered from these dot plots? (Remember that lower swim times are faster.)

Mathematics
1 answer:
padilas [110]3 years ago
8 0

Answer:

C

Step-by-step explanation:

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Division of fractions 1/8 divided by 3/8
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1/8÷3/8
multiply by the inverse 

1/8 x 8/3 = 8/24 or 1/3
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Is 1 greater than, less than, or equal to 8/10?
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Answer:

Greater than ( > )

Step-by-step explanation:

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Each of a sample of four home mortgages is classified as fixed rate (F) or variable rate (V). (Enter your answers in set notatio
horrorfan [7]

Answer:

a) FFFF, FVFF, FFVF, FFFV,

FVFV, FFVV,FVVF,VVFF,

VFVF, VFFF,VFFV,FFVV

VVVV, VFVV, VVFV, VVVF

b) FVFF, FFVF, FFFV,VFFF

c) VVVV or FFFF

d) FFFF, FVFF, FFVF, FFFV, VFFF

e) FFFF, FVFF, FFVF, FFFV ,VFFF, VVVV

Step-by-step explanation:

For this case we define some notation:

F= mortgage classified as fixed rate

V= mortgage classified as variable rate

We select a sample of 4 mortgages.

Part a

We have 2*2*2*2= 16 possible combinations defined below:

FFFF, FVFF, FFVF, FFFV,

FVFV, FFVV,FVVF,VVFF,

VFVF, VVFF,VFFV,FFVV

VVVV, VFVV, VVFV, VVVF

Part b

Which outcomes are in the event that exactly three of the selected mortgages are fixed rate

We need to see in the possible outcomes from part a) how many we have exactly three F's .If we analyze the possible options the possible combinations are:

FVFF, FFVF, FFFV, VFFF

Part c

Which outcomes are in the event that all four mortgages are of the same type?

For this case we have just two possible values: VVVV or FFFF

Part d

Which outcomes are in the event that at most one of the four is a variable ­rate mortgage?

We need to see in the possible outcomes from part a) how many have at least one V. After analyze we see that the possible values:

FFFF, FVFF, FFVF, FFFV, VFFF

Part e

The union represent all four mortgages are of the same type or outcomes are in the event that at most one of the four is a variable ­rate. So we are looking for the possible outcomes VVVV and FFFF and the outcomes with just one V ( FVFF, FFVF, FFFV ,VFFF) so then the union would be:

FFFF, FVFF, FFVF, FFFV ,VFFF, VVVV

4 0
3 years ago
Can someone please help me with this. Everyone is giving me the wrong answers!
Sonja [21]

Assuming that the side of the triangle marked 13.5 is tangent to the circle, the there's a right angle where the radius meets the tangent segment. The triangle is then a right triangle and the Pythagorean Theorem applies.



4 0
3 years ago
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Valuate<br> 1. √144<br> 2. 5^-2<br> workout <br> 1. (11-4x2)^2
viva [34]

Answer:

1. 12

2. 0.04

3. 196

Step-by-step explanation:

1. 12*12= 144

2. 1/25= 0.04

3. (11-8)^2= 3^2= 9

5 0
3 years ago
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