PLEASE HELP I WILL MARK YOU BRAINLIEST ASAP

Mathematics

1 answer:

Veronika [31]3 years ago

4 0

Answer:

what i cant see

Step-by-step explanation:

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You have 8 dime you trade each dime for 10 pennies. How mainly pennies will you have?

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marshall27 [118]

Answer:

The first option

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The domain of a rational function should be all real numbers except for when the denominator is equal to 0. To find when the denominator is equal to 0 you simply need to find the zeroes of the denominator... but in this case you can do that through factoring and using the quadratic equation.

So first step is going to be to factor out the GCF, which in this case is x. This gives you the equation. $x(2x^2-x-15)$ . So one of the zeroes is when x=0. Now to find the other two zeroes you can use the quadratic equation which is $x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\\\\$ . So to find the other zeroes you simply plug the values in. a=2, b=-1, c=-15

$x=\frac{-(-1)\pm\sqrt{(-1)^2-4(2)(-15)}}{2(2)}\\\\x=\frac{1\pm\sqrt{1-4(2)(-15)}}{4}\\\\x=\frac{1\pm\sqrt{121)}}{4}\\\\x=\frac{1\pm11}{4}\\\\x=\frac{12}{4}\\x=3\\\\x=\frac{-10}{4}\\x=-\frac{5}{2}$

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2 years ago

Miranda earned $c for working 8 hours. Write an expression to show how much Miranda earned for each hour she worked.

BabaBlast [244]

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You would substitute the c for the pay per hours and follow the expression through to determine each hour's pay, but since it's not asking for an equation, you don't need to add =(amount) to the end

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Is one half correct

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Find out the shape and than put in the formula with the numbers

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