3. Russell is filling a cylinder-shaped swimming pool that
2 answers:
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A polynomial of degree n is an expression of the form:
where a, b, c, ...d, e, f are Real numbers, and any of them can be = 0, except a.
and the degrees, n, n-1, .... are all non-negative integers: {0, 1, 2, 3 ...}
Among our choices,
the first one,
,
does not fit the polynomial definition, so the expression is not a polynomial.
the second one, is a fifth degree polynomial
the third one,
is a fourth degree polynomial.
the fourth one,
is not a polynomial
Answer: <span>9x4 – x3 – x/5</span>
where a, b, c, ...d, e, f are Real numbers, and any of them can be = 0, except a.
and the degrees, n, n-1, .... are all non-negative integers: {0, 1, 2, 3 ...}
Among our choices,
the first one,
does not fit the polynomial definition, so the expression is not a polynomial.
the second one, is a fifth degree polynomial
the third one,
the fourth one,
Answer: <span>9x4 – x3 – x/5</span>
Actually Welcome to the concept of Radioactive decay.
N(t) = 72(1/2)^22/11
==> N(t) = 72 (1/2)^2
==> N(t) = 72/4
==> N(t) = 18 grams.
So the remaining would be 18 grams.