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3 years ago

How do you wright a Percent to decimal to mixed number or fraction

Mathematics

1 answer:

ElenaW [278]3 years ago

3 0

In order to convert a percent to the decimal, the number should be divided by 100 and remove the percentage sign.

Step-by-step explanation:

Percent stands for per hundred.

In order to convert a percent to the decimal, the number should be divided by 100 and remove the percentage sign.

Example – 75%

= 75/100

= 0.75

To convert decimal to mixed fraction:

1. Divide the given decimal number by the place of the decimal and remove the point from the numerator.

Example – 5.25

= 525/100

2. Simplify the fraction if possible.

Example = 525/100 = 21/4

3. Divide the numerator by the denominator.

On solving we get, 5 as the quotient and 1 as the remainder.

To convert into a mixed fraction = the remainder becomes the numerator and denominator remains the same

Mixed fraction becomes = 5 1/4

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Factor each. Please help!

Naddika [18.5K]

Answer:

1) The factors of $x^2-3x+2=0$ are $\mathbf{(x-1)(x-2)=0}$

Option C is correct.

3) The factors of $x^2+2x-8=0$ are $\mathbf{(x-2)(x+4)=0}$

Option B is correct.

Step-by-step explanation:

1) Factor : $x^2-3x+2=0$

For factoring we need to break the middle term, such that there sum is equal to middle term of expression and product is equal to product of first and last term.

The middle term : -3x

We can break them as (-2x)( -x)

Solving:

$x^2-3x+2=0\\x^2-2x-x+2=0\\x(x-2)-1(x-2)=0\\(x-1)(x-2)=0$

So, factors of $x^2-3x+2=0$ are $\mathbf{(x-1)(x-2)=0}$

Option C is correct.

3) Factor: $x^2+2x-8=0$

For factoring we need to break the middle term, such that there sum is equal to middle term of expression and product is equal to product of first and last term.

The middle term : 2x

We can break them as (4x)( -2x)

Solving

$x^2+2x-8=0\\x^2+4x-2x-8=0\\x(x+4)-2(x+4)=0\\(x-2)(x+4)=0$

So, factors of $x^2+2x-8=0$ are $\mathbf{(x-2)(x+4)=0}$

Option B is correct.

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3 years ago

Ten ways that a ratio and proportions play a big roll in you every day life

nasty-shy [4]

•shopping
•calorie counting
•cooking
•painting your house (mixing colors)
•driving from place to place
•weather

That's all I can think of

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3 years ago

If the cost of plastering 4 walls of a room at Rs 45 per sq. m is Rs 8100, find the area of the 4 walls of the room

olga55 [171]

Step-by-step explanation:

Rs8,100 / (Rs45 per square meter)

= 180 square meters.

The area of the 4 walls of the room is 180 sq.m.

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3 years ago

How do you turn 72.1 repeating number into a fraction?

SCORPION-xisa [38]

72 1/9

0.1 recurring of the number 1 is 1/9 of the number

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2 years ago

Use the intermediate value theorem to prove that there is a positive number c such that c2 = 2.

schepotkina [342]

So lets try to prove it,

So let's consider the function f(x) = x^2.

Since f(x) is a polynomial, then it is continuous on the interval (- infinity, + infinity).

Using the Intermediate Value Theorem,

it would be enough to show that at some point a f(x) is less than 2 and at some point b f(x) is greater than 2. For example, let a = 0 and b = 3.

Therefore, f(0) = 0, which is less than 2, and f(3) = 9, which is greater than 2. Applying IVT to f(x) = x^2 on the interval [0,3}.

Learn more about Intermediate Value Theorem on:

brainly.com/question/11377865

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1 year ago