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sladkih [1.3K]
3 years ago
12

A spinner is divided into many sections of equal size. Some sections are red, some are blue, and the remaining are green. The pr

obability of the arrow landing on a section colored red is 12/20. The probability of the arrow landing on a section colored blue is 6/20. What is the probability of the arrow landing on a green-colored section? ​
Mathematics
2 answers:
Alisiya [41]3 years ago
7 0

Answer:

2/20

Step-by-step explanation:

12 + 6 is 18 so then your remaining would be 2 so your answer should be 2/20!

Vladimir [108]3 years ago
3 0

Answer:

\frac{2}{20}

Step-by-step explanation:

We have 3 sections.

  1. \frac{12}{20}
  2. \frac{6}{20}
  3. \frac{x}{20}

Since we only have 3 sections, we can add red and blue, and subtract  \frac{20}{20}

\frac{12}{20} + \frac{6}{20} = \frac{18}{20}

Subtract:

\frac{20}{20}-\frac{18}{20}  = \frac{2}{20}

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Describe two methods for finding the sale price of an item that is discounted 30%. which method do you prefer? Explain.
Mekhanik [1.2K]
One can take the price of the item before the discount is applied and subtract that from  the percentage off and get the cost of the item. 

I find this is the most effective way. 

another method could be if one turned the percentage into a decimal it could be subtracted from the cost of the item.
6 0
3 years ago
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Which of the binomials below is a factor of this trinomial ? X^2 + x + 12
PolarNik [594]
That trinomial can't be factored. You would have to complete the square to factor it and even then your answer would be an imaginary number. 

x² + x + 12 = 0
x² + x = - 12
x² + x + 1/4 = - 12 + 1/4
x² + x + 1/4 = - 11 3/4
x² + x + 1/4 = - 47/4

(x + 1/2)² = - 47/4 
x + 1/2 = +/- √(- 47/4) 
x + 1/2 = +/- \frac{47}{4}i

x = 1/2 +/- \frac{47}{4}i

If the constant was a negative, it would be factor-able (is that a word?). 

5 0
4 years ago
Add 35kg 15g and 17.05kg​
yKpoI14uk [10]
You can use a calculator but the answer is 52.065.
4 0
3 years ago
The ratio of the angles in a triangle is 5:9:10. what is the measure of the largest angle?
Maksim231197 [3]

The measure of the largest angle is 75 degrees.

<h3>What is a triangle? </h3>

A triangle is a polygon with three sides and vertices. The sum of angles in a triangle is 180 degrees. Types of triangles include: right-angled triangle, isosceles triangle, equilateral triangle and scalene triangle.

<h3>What is the measure of the largest angle? </h3>

The measure of the largest angle = (largest ratio / sum of ratios) x 180

10 / 24 x 180 = 75 degrees

Please find attached an image of a triangle. To learn more about a triangle, please check: brainly.com/question/9329354

6 0
3 years ago
Answer fast plzzzzzzzz
Paul [167]

Answer:

0.5

Step-by-step explanation:

It is less than 0.6.

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3 years ago
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