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kondaur [170]
3 years ago
12

If p is false, q is true, and r is true, why is the value of (p v ~q) v r

Mathematics
1 answer:
pychu [463]3 years ago
3 0
q=T\implies \neg q=F

p=F\,\land\,\neg q=F\implies p\,\lor\,\neg q=F

r=T\implies (p\,\lor\,\neg q)\,\lor\,r=T
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Rite 18.725 as a mixed number in simplest form.
Mila [183]

18.725 = 18725/1000 = 3745/200 = 749/40 = 18 29/40

so, your answer is 18 29/40

5 0
3 years ago
Gym A charges a registration fee of $75 plus $35.75 per month for members. Gym B charges a registration fee of $164 plus $17.95
ziro4ka [17]
Five months
Reason: graph y=35.75x+75 and y=17.95x+164 and they connect in the middle of 253-254 for month 5
8 0
3 years ago
Does anyone know how to do this ??? <br> -view attachment
cricket20 [7]

As soon as I read this, the words "law of cosines" popped
into my head.  I don't have a good intuitive feeling for the
law of cosines, but I went and looked it up (you probably
could have done that), and I found that it's exactly what
you need for this problem.

The "law of cosines" relates the lengths of the sides of any
triangle to the cosine of one of its angles ... just what we need,
since we know all the sides, and we want to find one of the angles.

To find angle-B, the law of cosines says

       b² = a² + c² - 2 a c cosine(B)

B  =  angle-B
b  =  the side opposite angle-B = 1.4
a, c = the other 2 sides = 1 and 1.9

                  (1.4)² = (1)² + (1.9)² - (2 x 1 x 1.9) cos(B)

                 1.96  =  (1) + (3.61)  -  (3.8) cos(B)

Add  3.8 cos(B)  from each side:

                 1.96 + 3.8 cos(B) = 4.61

Subtract  1.96  from each side:

                             3.8 cos(B) =  2.65

Divide each side by  3.8 :

                                  cos(B)  =  0.69737  (rounded)

Whipping out the
trusty calculator:
                                 B  = the angle whose cosine is 0.69737

                                      =  45.784° .

Now, for the first time, I'll take a deep breath, then hold it
while I look back at the question and see whether this is
anywhere near one of the choices ...

By gosh !  Choice 'B' is  45.8° !                    yay !
I'll bet that's it !

8 0
3 years ago
Which Expression is equivalent to 8x - 2y + x + x
Ray Of Light [21]
8x -2y + x+x simply combine like terms 8x+ x + x= 10x therefore 10x-2y is equivalent
4 0
3 years ago
Read 2 more answers
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6 miles = 1in

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6 0
3 years ago
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