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3 years ago

The quotient of 3 times a number "x" and 2 less 3 times the square of "x"

Mathematics

1 answer:

Fofino [41]3 years ago

6 0

Three times a number x can be written as

$3x$

The quotien between this and 2 is

$\dfrac{3x}{2}$

from this, we will subtract something:

$\dfrac{3x}{2}-\ldots$

And this "something" is three times the square of x. The square of x is $x^2$ , and three times this is $3x^2$

So, our final expression is

$\dfrac{3x}{2}-3x^2$

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Select all the correct equations.

Naya [18.7K]

Answer:

You did not post the options, but i will try to answer this in a general way.

Because we have two solutions, i know that we are talking about quadratic equations, of the form of:

0 = a*x^2 + b*x + c.

There are two easy ways to see if the solutions of this equation are real or not.

1) look at the graph, if the graph touches the x-axis, then we have real solutions (if the graph does not touch the x-axis, we have complex solutions).

2) look at the determinant.

The determinant of a quadratic equation is:

D = b^2 - 4*a*c.

if D > 0, we have two real solutions.

if D = 0, we have one real solution (or two real solutions that are equal)

if D < 0, we have two complex solutions.

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3 years ago

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Tems11 [23]

Answer:

Step-by-step explanation:

I guess

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3 years ago

In a certain game of chance, your chances of winning are 0.3. Assume outcomes are independent and that you will play the game fo

sergeinik [125]

Answer:

0.6517

Step-by-step explanation:

Given that in a certain game of chance, your chances of winning are 0.3.

We know that each game is independent of the other and hence probability of winning any game = 0.3 (constant)

Also there are only two outcomes

Let X be the number of games you win when you play 4 times

Then X is binomial with p = 0.3 and n =4

Required probability

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Using the above the required prob

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3 years ago

4k + 12 = 52<br> using algbra

grigory [225]

Answer:

k=10

Step-by-step explanation:

4k + 12= 52

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4k=40

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3 years ago

Compare the weather on two different days using an inequality. Then see if their comparisons change by finding the absolute valu

dusya [7]

Inequalities are used to compare unequal expressions.

The actual comparison is: $\mathbf{-3.5 < 5}$ or $\mathbf{5 > -3.5}$

The temperatures are given as:

$\mathbf{Temperature = -3.5F,\ \ 5F,\ \ 1.5F,\ \ -0.5F,\ \ -2F,\ \ 2.5F,\ \ -4F}$

From the above list, we have:

$\mathbf{Day \ 1= -3.5F}$

$\mathbf{Day \ 2= 5F}$

By comparison,

$\mathbf{-3.5 < 5}$ or $\mathbf{5 > -3.5}$

Using absolute values, the inequalities are:

$\mathbf{|-3.5| < |5|}$ or $\mathbf{|5| > |-3.5|}$

Hence, the actual comparison is:

$\mathbf{-3.5 < 5}$ or $\mathbf{5 > -3.5}$

Read more about inequalities and absolute values at:

brainly.com/question/24797699

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3 years ago

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The quotient of 3 times a number "x" and 2 less 3 times the square of "x"​

The quotient of 3 times a number "x" and 2 less 3 times the square of "x"