2 years ago

X / 12 equals 27 / 33

Mathematics

1 answer:

Alexxandr [17]2 years ago

5 0

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5 less than a number is equivalent to 1 more than three times the number The number is ??

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Answer:

-3

Step-by-step explanation:

Let x equal the mystery number

Our equation will be:

x - 5 = 1 + 3x

Subtract x from both sides

-5 = 1 + 2x

Subtract 1 from both sides

-6 = 2x

Divide both sides by 2

-3 = x

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2 years ago

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X^2 -9 divided by x+3

WINSTONCH [101]

Step-by-step explanation:

Hey, there!!

Given that,

$\frac{ {x}^{2} - 9 }{x + 3}$

{ we can write (a^2-4) as (a^2 - 2^2) also as (x^2- 9) can be written as (x^2 - 3^2)}.

$\frac{ {x}^{2} - {3}^{2} }{x + 3}$

We have a^2-b^2= (a+b) (a-b), so keep same formula on it.

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

(x+3) in numerator and denominator gets cancelled,

$(x - 3)$

Therefore, (x-3) is the final value.

Hope it helps...

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2 years ago

Holly had 5,000 in her bank account she withdrew 800 to buy a new bike what is the percent decrease in the balance of her accoun

Anika [276]

800/5000*100=16%
Holly's account decreases on 16 percents

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3 years ago

X / 12 equals 27 / 33 ​

X / 12 equals 27 / 33