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Vikentia [17]
3 years ago
14

Five swimmers are entered into a competition. Four of the swimmers have had their

Mathematics
1 answer:
Mamont248 [21]3 years ago
7 0

Answer:

9

Step-by-step explanation:

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Helpppppppp meeeeeee
natta225 [31]

Answer:

y = 14

Step-by-step explanation:

∠BCF and ∠EFH are same side interior angles and are supplementary, hence

5x - 66 +2x + 50 = 180

7x - 16 = 180 ( add 16 to both sides )

7x = 196 ( divide both sides by 7 )

x = 28

∠BCF = 5x - 66 = (5 × 28) - 66 = 140 - 66 = 74

∠ACD = ∠BCF ( vertical angles ), hence

9y - 52 = 74 ( add 52 to both sides )

9y = 126 ( divide both sides by 9 )

y = 14

6 0
3 years ago
Sarah and Bridget have played 45 tennis matches.
Ainat [17]

Answer:

P(Sarah wins)= 1/3

P(Bridget wins)= 2/3

Step-by-step explanation:

15/45 = 1/3

1 - 1/3 = 2/3

8 0
3 years ago
In a recent year, 34.8% of all registered doctors were female.If there were 43,100 female registered doctors that year, what was
charle [14.2K]
Let the total # of reg. docs. be t.  Then 0348t = 43100.  Solve this for t:
        43100 docs
t = ------------------- = 123,851 (rounded up from 123850.57)
            0.348
8 0
3 years ago
What is the length of side AC
natulia [17]

Answer:

7 Units.

Step-by-step explanation:

First of all, you could just count the units, but that's not really too effective. Otherwise, you could start from the coordinates of the "C" point, and see how it's at -Y = -5. Therefore, to get to the line separating the two points, you would have to subtract 5 from 5 to get to the line. Now, you look at point "A". It's Y coordinate is 2. Therefore, adding 5 and 2 together gives you 7 units.

6 0
3 years ago
Simplify: -3c+8-2b+6-a-3b+1
irga5000 [103]
8+6+1 =15
-a
-2b-3b =-5b
-3c
15-a-5b-3c is the answer
8 0
3 years ago
Read 2 more answers
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