Answer :

thechomania

Answer:

20) -43

21) 25

22)-9

Step-by-step explanation:

20) -6 (-6 + 49)/6 = -43

21) 10 - (-10 - (-1 + 6)) = 25

22) 1 - 10/2 - 5 = -9

bekkarmahdi702

Step-by-step explanation:

  • 22

Let's calculate the expression khowing that m= 1 and n = 5

  • m-[tex]\frac{m+m}{2}[/tex] -n
  • m- [tex]\frac{2m}{2}[/tex]-n
  • m-m-n
  • 0-n
  • 0-5
  • -5

  • 20

Let's calculate the expression khowing that n= -7 and p= - 6

  • [tex]\frac{p(p+n^{2}) }{6}[/tex]
  • [tex]\frac{-6(-6+(-7)^{2}) }{6}[/tex]
  • [tex]\frac{-6(-6+49)}{2}[/tex]
  • [tex]\frac{-6*43}{6}[/tex]
  • -1*43
  • -43

  • 21

Let's calculate the expression khowing that n = -6 and m = -1 and p = -10

  • mp-(p-(m-n))
  • mp-(p-m+n)
  • mp-p+m-n
  • (-1)*(-10)-(-10)+(-1)-(-6)
  • 10+10-1+6
  • 20-1+6
  • 19+6
  • 25

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