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katen-ka-za [31]
3 years ago
15

The sum of two numbers is 51 and the difference is 27. What are the numbers?

Mathematics
1 answer:
Bezzdna [24]3 years ago
5 0

Answer:

26

Step-by-step explanation:

50-20=30+1=31-7=26

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Class : IX
almond37 [142]

Step-by-step explanation:

a=8cm

b=15cm

c=17cm

s=a+b+c/2

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ar. of triangle= √s(s-a)(s-b)(s-c)

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                     =√20×12×5×3

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