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19.01.2021 •
Mathematics
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Ответ:
y=2
Step-by-step explanation:
y= K/x^2we must find k first
when x is 4 y is 1/2
y = k / X^2
1/2 = K/4^2
1/2 = k /16 criss cross
16/2 = k
k = 8
y = k/ x^2
y = 8 /2^2when x is 2
y = 8/4
y = 2
Ответ:
2. Combine the integers, multiples of b, and multiples of b^2 similarly to the last example to get -20b^2+11b+34.