KelseyCope1184
17.09.2021 •
Mathematics
1 find the hcf of the number by means of prime number
a 52 and 78 b95 and 120
am suppose to use a square root please help me answer
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Ответ:
a. Get the prime factorizations of 52 and 78:
52 = 2² • 13
78 = 2 • 3 • 13
Then the HCF/GCD of 52 and 78 is 2 • 13 = 26, because both 2 and 13 are common divisors of 52 and 78.
b. Do the same thing for 95 and 120:
95 = 5 • 19
120 = 2³ • 3 • 5
Then the HCF is 5.
Ответ:
20cm^2
Step-by-step explanation:
0.5x(7+3)x4=20cm^2