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antiseptic1488 [7]
3 years ago
11

Can you Help me out plz!!

Mathematics
1 answer:
Klio2033 [76]3 years ago
4 0

Answer:

14)

21√2

15)

Leg: 7√3

Hypotenuse: 14

Step-by-step explanation:

The hypotenuse is √2 as long as each leg. That means the leg is 42/√2. Simplified to make 21√2.

The hypotenuse is always twice as long as the shortest leg on a 30-60-90 triangle. The longer leg is √3 as long as the shortest side.

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siniylev [52]

Answer:   29

Step-by-step explanation:

Let S denotes the total number of people surveyed, A denotes the event of having dog , B denotes the event of having cats and C denotes the event of having fish.

Given :     n(S)=50  ;n(A)=11  ;  n(B) =13  and  n(C)=6

Also, n(A∩B)=5 ;  n(A∩C) = 2 and n(B∩C)=3 and n(A∩B∩C)=1

We know that,

n(A\cup B\cup C)=n(A)+n(B)+n(C)-n(A \cap B)-n(A \cap C)-n(B \cap C)-n(A \cap B\cap C)\\\\=11+13+6-5-2-3+1=21

Now, the number of people owned none of these pets :-

n(S)-n(A\cup B\cup C)\\\\=50-21=29

Hence, the number of people owned none of these pets =29

7 0
2 years ago
What is the answer 2p-a=3p+b if p is the subject of the formula
djverab [1.8K]

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Answer:

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Read 2 more answers
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120(minutes)÷2(miles)=60(minutes per mile)
60×1.57=94.2 minutes 
8 0
3 years ago
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