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lisabon 2012 [21]
3 years ago
12

Please help me figure out the answers !

Mathematics
1 answer:
OverLord2011 [107]3 years ago
6 0

Answer:

Step-by-step explanation:

44,89,989,54,211,26,2,78,54,51

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Rearrange the equation a = 1/2 b to make b the formula
Evgesh-ka [11]

Answer: b = 2a

Step-by-step explanation:

<u>Original equation</u>

a = (1/2) b

<u>Multiply 2 on both sides</u>

a * 2 = (1/2) b * 2

\Large\boxed{b=2a}

Hope this helps!! :)

Please let me know if you have any quesitons

8 0
1 year ago
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Please help! Will give the brainiest!!
Eduardwww [97]

Answer:

1. SSS; Triangle ABC is congruent to Triangle DEF; sorry there's no triangle symbol on here.

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Step-by-step explanation:

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2 years ago
At an art exhibition there are 12 paintings of which 10 are original. A visitor selects a painting at random and before decides
Reika [66]

Answer:

a) 0.8333

b) 0.75

c) 0.8181 or 0.9090

Step-by-step explanation:

a)

The probability the visitor selects an authentic painting is  

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b)

Since the opinion of the expert does not depend on your choice, the events are <em>independent</em>, so the probability that the expert says is authentic and it really is, is

0.8333*0.9 = 0.75

c)

If the expert decides the painting is a copy and it is not, then there are 11 paintings of which 9 are authentic, so the probability the visitor selects a new original painting is

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If the expert decides the painting is a copy and it is, then there are 11 paintings of which 10 are authentic, so the probability the visitor selects a new original painting is

10/11= 0.9090

8 0
3 years ago
Solve the equation. How old is Sam?
Alisiya [41]

Answer:

Step-by-step explanation:

let the sam's age be x

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4 0
3 years ago
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Answer:

Y= -8

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Step-by-step explanation:

apply -(-a)=a rule

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y= -8

7 0
3 years ago
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