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2 years ago

NEED HELP I SUCK AT GEOMETRY (OFFERING 100POINTS)!!! best answer get brainlest

Mathematics

2 answers:

ioda2 years ago

8 0

Since W and V and X and U are congruent, or symmetrical to eachother, they equal eachother. 7 is x+1. So, x=6.

Irina18 [472]2 years ago

8 0

Answer: 6

Step-by-step explanation:

Lets assume that the shape WXVU is a parallelogram.

If you know that it is a parallelogram, you can infer that the sides WV and XU are congruent. And so are the sides WX and VU.

Therefore, you can make the equation: WV=XU => x+1=7

Simplify and x would be 6.

So sorry if I am wrong.

Have a nice day! :D

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A students' choir contains 25 children and only 5 of them play the piano. If a child is selected at random, what is the probabil

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Answer:

probability that the child DOES NOT play the piano

$P(E^{-}) =\frac{4}{5}$

Step-by-step explanation:

A students' choir contains 25 children

n(S) =25

The number of students play the piano =5

Let 'E' be the event of the child play the piano so n(E) =5

The probability of that the child play the piano

$P(E) = \frac{n(E)}{n(S)}$

$P(E) = \frac{5}{25}= \frac{1}{5}$

Let 'E⁻ be the event of the child play does not play the piano

$P(E^{-}) = 1- P(E)$

$P(E^{-}) = 1- \frac{1}{5} =\frac{4}{5}$

<u>Conclusion</u>:-

probability that the child DOES NOT play the piano

$P(E^{-}) =\frac{4}{5}$

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