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stepladder [879]

2 years ago

7

John is renting a car.The car cost 36 dollars each day plus $0.50 per mile over 100 miles.John rents the car for 5 days and driv

es 180 miles
Write and expression for how much it will cost John to rent the car

1 answer:

Deffense [45]2 years ago

6 0

Answer:

36*5+80 =260

Step-by-step explanation:

hope this helps

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Find the area of the circle.

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Answer:

28.26

Step-by-step explanation:

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How do I even start this? And how to i order the equation to solve

Kobotan [32]

$f(g(h(x)))=f(g(\sqrt x))=f(\sqrt x-1)=\boxed{(\sqrt x-1)^4+4}$

This is because

$h(x)=\sqrt x$

$g(x)=x-1$

$\implies g(h(x))=\sqrt x-1$

(that is, replace any instance of <em>x</em> in the definition of <em>g</em> with √<em>x</em> )

and

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$\implies f(\sqrt x-1)=(\sqrt x-1)^4+4$

(replace any <em>x</em> in <em>f</em> with √<em>x</em> - 1)

Also acceptable:

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(assuming <em>x</em> is not negative)

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2 years ago

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Nutka1998 [239]

Answer:

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Step-by-step explanation:

I think you mean 2x^2-8x-10=0

2x^2-8x-10=0

Factor out a 2 (0/2 is still 0)

2(x^2-4x-5)=0

Divide by 2

x^2-4x-5=0

Find something that MULTIPLIES to get -5 and ADDS up to get -4, then factor

(x-5)(x+1)=0

Make each set =0

x-5=0

x+1=0

x=5, -1

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3 years ago