Select the correct answer.

Mathematics

2 answers:

german3 years ago

8 0

Answer:25%

Step-by-step explanation:

1/4 of the circles are shaded so you would divide those numbers by 100.Then you would find out which of those numbers is 1/4 of hundred since 3/12 is 1/4 of 12.and 25% is 1/4 of 100.

dlinn [17]3 years ago

3 0

Answer:

E. 25%

Step-by-step explanation:

3/12=0.25

black dots divided by total dots

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Use the Rational Zeros Theorem to write a list of all possible rational zeros of the function.

marishachu [46]

Answer:

$\text{Possible rational zeros}=\pm1,\pm\frac{1}{2},\pm2,\pm3,\pm\frac{3}{2},\pm6,\pm9,\pm\frac{9}{2},\pm18$

Step-by-step explanation:

We have been given the function

$f(x)=-2x^2+4x^3+3x^2+18$

From the rational zeros theorem, we have

$\text{Possible rational zeros}=\pm\frac{\text{Factors of constant term}}{\text{Factors of leading coefficient}}$

From the given function,

Leading coefficient = 2

Factors of 2 are 1,2

Constant term = 18

Factors of constant term = 1, 2, 3, 6, 9, 18

Hence, we have

$\text{Possible rational zeros}=\pm\frac{1,2,3,6,9,18}{1,2}\\\\\text{Possible rational zeros}=\pm1,\pm\frac{1}{2},\pm2,\pm3,\pm\frac{3}{2},\pm6,\pm9,\pm\frac{9}{2},\pm18$