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victus00 [196]
3 years ago
12

I really need help here... please

Mathematics
1 answer:
tatuchka [14]3 years ago
3 0

A parallelogram is a quadrilateral with two pair of parallel sides, opposite sides are in equal length, opposite angles are of equal measure. Diagonals of parallelogram bisect each other.

Observe the given figure,

We need to prove that WXYZ is a parallelogram.

XW must be congruent to YZ as in parallelogram opposite are equal(congruent).

Similarly, WZ must be congruent to XY as in parallelogram opposite sides are equal(congruent).

By proving the opposite sides of a quadrilateral as congruent or of equal measure. We can say that the given quadrilateral is a parallelogram.

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What is the missing dimension of a rectangle or prism with the following dimensions and volume? Length 3 cm width 5 cm volume 45
olasank [31]
Hello! 

In order to find out the volume of any prism, you are to do length x width x height.

Because we only know the length and the width, we can multiply those to get started. 3 x 5 is 15, so we know that's what we can start with.

Because we know the volume, all we have to do is do h x 15 = volume (45). Now, what is height?

In order to find the height, we must find a number that, when multiplied by 15, equals 45. 

So we can try out 3, which when multiplied by 15, equals 45. 

That means 3 is your height.

Hope I helped! :)
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3 years ago
How many different arrangements of 5 letters can be made from the 26 letters of the alphabet?
VikaD [51]
Answer: P(26,5).

That is all the possible combinations of 5 letters made out from 26 letters.

That is 26! / [ 5! ( 26 - 5)! ] = 26! / [5! 21! ] = 26*25*24*23*22*21! / [ 5! 21!] =

= 26*25*24*23*22 / [5*4*3*2*1] = 65,780 arrangements.


5 0
3 years ago
PLEASE THIS IS TIMED I REALLY NEED HELP AND BRAINLIEST!! :(
Mademuasel [1]

Answer:

It is 24^21 without hesitation

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