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4 years ago

According tot he rational root theorem, which statement about f(x)=12x^3-5x^2+6x+9 is true?

Mathematics

1 answer:

vampirchik [111]4 years ago

3 0

Answer:

If there are any rational roots, it would be a factor of your constant term (9) divided by a factor of the high-order coefficient (12).

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A person draws a card from a hat. Each card is one color with the following probabilities of being drawn: 1/10 for red, 1/5 for

Kay [80]

Answer:

$\dfrac{1}{4}$

Step-by-step explanation:

We are given that a card is drawn from a hat.

Probability that a red card is drawn, P(red) = $\frac{1}{10}$

Probability that a blue card is drawn, P(blue) = $\frac{1}{5}$

Probability that a black card is drawn, P(black) = $\frac{1}{20}$

Probability that a pink card is drawn, P(pink) = $\frac{1}{5}$

All these events are mutually exclusive i.e. they do not have anything in common.

For any two events A and B which are mutually exclusive, with probability P(A) and P(B), the probability that any one of the two events occur:

$P(A\cup B) = P(A) + P(B)$

Here event A can be thought of as drawing a blue card and

event B can be thought of as drawing a black card

So, P(blue or black) = P(blue) + P(black)

$\Rightarrow \dfrac{1}{5}+\dfrac{1}{20}\\\Rightarrow \dfrac{4+1}{20}\\\Rightarrow \dfrac{5}{20}\\\Rightarrow \dfrac{1}{4}$

So, the probability that a blue or black card is drawn from the hat:

$\dfrac{1}{4}$

8 0

3 years ago

A share is sold for the market value of ₹1000. Is the face value of share is ₹100 and brokerage is paid at the rate of 0.1%what

Flauer [41]

hope this will help you

8 0

3 years ago

If you see this please help if you know the answer or how to do it ONLYYYYYY

Arisa [49]

<h2>Answer:</h2>

For ∠1: Because all angles inside a triangle equal 180°, set ∠2, 68, and ∠1 equal to 180, then solve for ∠1.

$x + 68 + 49 = 180\\\\x + 68 = 131\\\\x = 63$

∠1 = 63°

For ∠3: Subtract 93 from 180 to get ∠3

$x + 93 = 180\\\\x = 87$

∠3 = 87°

For ∠4: Because all angles inside a triangle equal 180°, set ∠3, 49, and ∠4 equal to 180, then solve for ∠4.

∠4 = 44°

∠2 = 49°

6 0

3 years ago

look at the digit to the right. if the digit to the right is less than 5, the digit in the roundig place stay the same. if the d

ELEN [110]

400,400,200,800,200,300,70,100

5 0

3 years ago

Can yall help me with this plzz? (UwU)

mote1985 [20]

Answer: B

Step-by-step explanation:

The chances of a 1 being pulled out of 50 is a 1 out of 50 chance which is a higher chance then any other option.

Hope this helps you!

4 0

3 years ago