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3 years ago

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What is proportion as applied in mathematics

1 answer:

Mariana [72]3 years ago

5 0

Answer:

Proportion is a mathematical comparison between two numbers. According to proportion, if two sets of given numbers are increasing or decreasing in the same ratio, then the ratios are said to be directly proportional to each other. Proportions are denoted using the symbol "::" or "=".

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Explain how to work out these type of questions please!

bixtya [17]

$x = 9 \times 5 \\ x = 45$
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IgorLugansk [536]

Answer:

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Step-by-step explanation:

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2 years ago

Please help with this question

user100 [1]

Answer:

(B) $58.48

Step-by-step explanation:

<u>Total cost of nuts, including the discount and the tax:</u>

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2 years ago

Which function models the area of a rectangle with side lengths of 2x - 4 units and x + 1 units?

aalyn [17]

Answer:

Area of rectangle, $f(x)=2x^2-2x-4$ .

Step-by-step explanation:

We are given with side lengths of a rectangle are (2x-4) units and (x+1) units. It is required to find the area of rectangle.

The area of a rectangle is equal to the product of its length and breadth. It is given by :

$A=L\times B$

Let us consider, L = (2x-4) units and B = (x+1) units

Plugging the side lengths in above formula:

$A=(2x-4)\times (x+1)$

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3 years ago

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worty [1.4K]

Answer:

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Step-by-step explanation:

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