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Anestetic [448]
3 years ago
5

Nine times a number decreased by four

Mathematics
2 answers:
Wewaii [24]3 years ago
7 0
The answer for this question is 9x-4
PolarNik [594]3 years ago
5 0

Answer: 9x - 4

Step-by-step explanation:

We know that a number must be decreased by four. Let's break it up a little.

Nine times <em>some </em>number. We don't know what nine will be multiplied by, so we will just write a placeholder number: x. This number will be multiplied by nine. So it will turn into 9x.

We must decrease (subtract) from this by four. Subtracting 9x by four can be written as 9x - 4.

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3 years ago
What is an discriminant ​
igor_vitrenko [27]

Answer:

a function of the coefficients of a polynomial equation whose value gives information about the roots of the polynomial.

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HELP PLEASE!!! Ashton drew a triangle with vertices A (-1,2), B (5,2) and C (5.-1). He then rotated the triangle 180°
Naddika [18.5K]

Answer: The rule is when rotating 90 degrees, it's (-y, x), 180 degrees is (-x, -y), and 360 degrees is (y,  -x). Just plug in the numbers accordingly, and you should get the correct answer. It worked for me <3.

5 0
3 years ago
Which expressions represent the difference of exactly two expressions?
evablogger [386]

Answer:

  1, 3, 4

Step-by-step explanation:

Among these answer choices, you're looking for two expressions separated by a minus sign. Choice 2 is only one expression, so does not meet the required criterion.

  1. 6(x+7)-2

  3. 4f-2g

  4. 3xyz-10

7 0
3 years ago
On a spinner, there are twenty equal-size sections numbered from 1 to 20. Which spinner game is fair? Show your work.
Anvisha [2.4K]

The spinner game is an illustration of probability, and the spinner game that is fair is (b) If you spin a number greater than 10, you win.

<h3>How to determine the fair game?</h3>

The number of sections in the spinner is given as:

n = 20

There are 10 numbers greater than 10 i.e. 11 to 2.

So, the probability that a number greater than 10 is spun is:

P = 10/20

P = 0.5

The probability that a number that is not greater than 10 is spun is calculated using the following complement rule

q = 1 - p

This gives

q = 1 - 0.5

Evaluate

q = 0.5

Notice that both probabilities are the equal

Hence, the spinner game that is fair is (b) If you spin a number greater than 10, you win.

Read more about probability at:

brainly.com/question/3581617

5 0
2 years ago
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