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3 years ago

Robin says that polynomials are closed under division. Brad adamantly disagrees. Who is correct? Justify your answer.

1 answer:

6 0

Brad is correct.

Polynomials do not include negative exponents; this means there can be no variables in the denominator. If two polynomials do not divide evenly, the remainder is written as a fraction with the divisor (which can include a variable) in the denominator. This is not a polynomial.

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If y = 4x, what is the value of 3y + 2(3y + 5) - x in terms of x?

USPshnik [31]

Answer:

13/3

Step-by-step explanation:

3(4x)+6(4x)+30-x

39=9x

divide 9 on each side

x=13/3

yw if its right make me brainliest

7 0

3 years ago

What is the difference of finding the number of outcomes vs finding the probability?

zheka24 [161]

Question- What is the difference of finding the number of outcomes vs finding the probability?

Answer- Probability is a mathematical way of calculating how likely an event is to occur. The number of favorable outcomes is the number of choices and the probability is found by comparing this to the total number of outcomes

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3 years ago

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lbvjy [14]

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3 years ago

Find the slope of the line that passes through the pair of points (–1.75, 14.5) and (–1, 4.4). Round to the nearest hundredth if

Feliz [49]

For this case we have that by definition, the slope of a line is given by:

$m = \frac {y_ {2} -y_ {1}} {x_ {2} -x_ {1}}$

Two points are needed through which the line passes:

$(x_ {1}, y_ {1}): (- 1.75; 14.5)\\(x_ {2}, y_ {2}}: (- 1; 4.4)$

Substituting: $m = \frac {4.4-14.5} {- 1 - (- 1.75)}\\m = \frac {-10.1} {0.75}\\m = -13.46666666$

Rounding:

$m = -13.47$

Answer:

$m = -13.47$

5 0

4 years ago

Read 2 more answers

Which value of a would make the following expression completely factored? X^

ololo11 [35]

Answer:

A. 12

Step-by-step explanation:

Selecting B, C, or D would create a difference of perfect squares since each of these numbers are perfect squares. Additional factoring would then be needed.

$x^2-36 = (x+6)(x-6)\\x^2-49 = (x+7)(x-7)\\x^2-81=(x+9)(x-9)$

But selecting 12 gives $x^2-12$ which cannot be factored. It is factored completely.

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4 years ago

Read 2 more answers