3 years ago

You earn $18 for watching three cars how much do you earn to Washing 2 cars

Mathematics

1 answer:

Sever21 [200]3 years ago

6 0

Answer:

$12

Step-by-step explanation:

3 cars divide that by $18 and u get $6 per car. multiply that by two cars nd you get $12.

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Write a quadratic function f whose zeros are 3 and 12.<br> f(x) = ?

ololo11 [35]

Answer:

The above equation is a quadratic function whose zeroes are 3 and 12.

Step-by-step explanation:

The general quadratic equation is given by :

$ax^2+bx+c=0$

It is given that, the zeroes of a quadratic function are 3 and 12. It means they must be factors of it such that,

$(x-3)=0\\\\(x-12)=0$

So, we can write as :

$(x-3)(x-12)=0$

Multiplying both factors,

$(x-3)(x-12)=0\\\\x^2-12x-3x+36=0\\\\x^2-15x+36=0$

So, the above equation is a quadratic function whose zeroes are 3 and 12.

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It can be simplified to
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