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ipn [44]
2 years ago
10

Prices are going up in the ratio 6:5 Write a 60% decrease as a ratio.

Mathematics
1 answer:
ivolga24 [154]2 years ago
3 0

Answer:

To Decrease an amount in a given Ratio, we need to multiply by a fraction that is less than one. For example, in scaling down a recipe for four people into a recipe for 3 people, we would use the ratio of 3 : 4 which means we would multiply all our recipe amounts.

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Answer:

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Step-by-step explanation:

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Which expressions represent the area of the entire shaded region, including the light and dark shading? select three options. 12
Alex Ar [27]

A triangle is a polygon. The total area of the figure can be represented by 12a, (6a+b), and 2b cm².

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

A triangle is a polygon with 3 sides and 3 vertices.

Since the area of a single triangle is a cm², and the shape is formed of 12 triangles, therefore, the area of the 12 triangles will be equal to,

\text{Area of the complete figure} = 12 \times a = 12a\rm \ cm^2

Given that the area of the complete dark portion is b cm², therefore, the area of the 6 triangles with a cm² of area each, and the black portion can be written as,

\text{Area of the complete figure} = (6 \times a)+b = (6a+b)\rm \ cm^2

As the dark portion also consists of 6 triangles with an area of a cm² each and the total sum of this dark area is b cm². Also, the light portion consists of 6 triangles with an area of a cm². Therefore, the total area can be written as,

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Thus, the total area of the figure can be represented by 12a, (6a+b), and 2b cm².

Learn more about Triangles:

brainly.com/question/2773823

6 0
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If you add my number to it's self and add 83 you will get the same number as when you add my number 4 times and subtract 25
Deffense [45]
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3 years ago
Which of the following is equal to the rational expression when x does not equal 3 or 1 x^2-9/(x-1)(x-3)
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Answer:

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Given expression is:

\frac{x^{2}-9 }{(x-1)(x-3)}

Let us factorize the numerator using the formula:

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\frac{(x+3)(x-3)}{(x-1)(x-3)}

Since x ≠ 3, let us cancel the common factor x - 3 in the numerator and in the denominator.

So, \frac{x^{2}-9 }{(x-1)(x-3)} =\frac{x+3}{x-1}

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3 years ago
7X(-3)X(-2)^2=?<br> I suck at math
marshall27 [118]

Answer:

-84

Step-by-step explanation:

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