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Nataliya [291]
2 years ago
12

Hi I need help with this pls​

Mathematics
2 answers:
bazaltina [42]2 years ago
8 0

Answer:

Solution given:

a.

p=2/3

q=-1/3

r=1/6

now

p-q+r=2/3-(-1/3)+1/6

=\frac{2*2+1*2+1}{6}=\frac{7}{6}

c.

p=-1/5

q=-3/10

r=2/5

now

p-q+r=-1/5-(-3/10)+2/5

=\frac{-1*2+3+2*2}{10}=\frac{5}{10}=½

Evgesh-ka [11]2 years ago
5 0

Answer:

  • a) 1 1/6
  • c) 1/2

Step-by-step explanation:

<u>The expression given:</u>

  • p - q + r

<u>Evaluate for each case:</u>

a)

<u>p = 2/3, 1 = -1/3, r = 1/6</u>

  • p - q + r =
  • 2/3 - (-1/3) + 1/6 =
  • 2/3 + 1/3 + 1/6  =
  • 1 + 1/6 =
  • 1 1/6

c)

<u>p = 1/-5, q = -3/10, r = 2/5</u>

  • p - q + r =
  • -1/5 - (-3/10) + 2/5 =
  • -2/10 + 3/10 + 4/10 =
  • 5/10 =
  • 1/2
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