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xxTIMURxx [149]
3 years ago
14

Latoya drove 210 miles using 9 gallons of gas. At this rate how many gallons of gas would she need to drive 413 miles?

Mathematics
1 answer:
Minchanka [31]3 years ago
3 0
This is a problem that could be solved with proportions. Here's how to set it up.

210mi./9 gallons =413mi./x gallons

Then, you would cross multiply 9x413 then divide that my 210. The result would be the X gallons. Good Luck ♡
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3 years ago
What are all the rational roots of the polynomial f(x) = 20x4 x3 8x2 x â€"" 12?.
pav-90 [236]

The rational roots of the polynomial given in the question are -4/5 and 3/4.

Given-

Given polynomial function is,

20x^4+x^3+8x^2+x-12

The given polynomial function has the four-degree equation in which the greatest power of the variable is four. Suppose one root of <em>x </em>is 1 to solve it further. So one factor is,

x-1

Rewrite the given equation,

20x^4+8x^2-12+x^3+x

(20x^4+8x^2-12)+(x^3+x)

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(4x^2+4)(5x^2-3) +(x^3+x)

4(x^2+1)(5x^2-3) +x(x^2+1)

On the factor above equation, we get.

[4(5x^2-3)+x](x^2+1)

[20x^2-12+x](x^2+1)

On the factor, we get,

(5x+4)(4x-3)(x^2+1)

x=-\dfrac{4}{5} , \dfrac{3}{4}

Hence, the rational roots of the polynomial given in the question are -4/5 and 3/4.

For more about the polynomial, follow the link below-

brainly.com/question/17822016

7 0
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y-int: -2

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8 0
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allsm [11]
3/4*3=2.25 miles long trail
Have a great day
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3 years ago
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