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baherus [9]
3 years ago
14

Example :

Mathematics
2 answers:
Troyanec [42]3 years ago
7 0

9514 1404 393

Answer:

  1. 9
  2. 10
  3. 15
  4. 100

Step-by-step explanation:

As in the example, put the value where the variable is and do the arithmetic.

1. 2·7 -5 = 9

2. 5^2 -15 = 10

3. 81/9 +6 = 15

4. 8·13 -4 = 100

Your calculator can do the math.

kykrilka [37]3 years ago
4 0

Answer:

1) 9

2) -5

3) 15

4) 100

those are the answers

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3 years ago
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olga_2 [115]

Answer:

Step-by-step explanation:

a). Let the missing term = a

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b). (a² + p + 1) - (q + 5a + r) = 4a² -2a + 7

   I have assumed p, q and r are the variables at the blank spaces.

   (a² - q) + (p - 5a) + (1 - r) = 4a² - 2a + 7

   By comparing both the sides of the equation,

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    q = a² - 4a²

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    r = -6

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3 years ago
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Step-by-step explanation:

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3 years ago
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