Answer: -4x +7y=26
4x +7y=2
=. 0+ 14x=28
X= 2. Plug x in. Y =. 4(2) +7y= 2. = 8+7y=2. 7y=2-8 7y=-6 y=-6/7
Step-by-step explanation:
Option B:
Option D:
Solution:
<em><u>Polynomial definition:</u></em>
A polynomial can have constants, variables and exponents and fractional coefficient.
A polynomial cannot have fractional exponent, negative exponent and never division by a variable.
To select the expressions that would be considered as a polynomial.
Option A:
√x is not, because the exponent is ½. Fractional exponents are not polynomials.
This is not a polynomial.
Option B:
A polynomial can have constants, variables and exponents.
This is a polynomial.
Option C:
Fractional exponents are not polynomials.
This is not a polynomial.
Option D:
Fractional coefficients are allowed.
This is a polynomial.
Hence and are polynomial.
P(2 aces) = (1/13)^2
P(2 kings) = (1/13)^2
P(king and ace) = 8C2/52C2 - 2(1/13)^2 = 0.0152
Answer:
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