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3 years ago

11

Which rate is a unit rate?

2 answers:

Aloiza [94]3 years ago

7 0

The 3rd option (500m/1gal) is the correct answer.

A unit rate is the cost or amount of something per ONE object. So with this we already eliminate the 1st and 4th option. Next, I guess technically both could be considered a unit rate but the 3rd one is for sure an example of a unit rate.

Hope this helped!

Lena [83]3 years ago

3 0

Your answer would be B, $12/ 1 hour

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Answer:

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vitfil [10]

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One of the roots of the quadratic equation 4mnx^2 – 6m^2x – 6n^2x + 9mn = 0 (m, n ≠ 0) is a)-3m/2n b)3m/2n c)2m/3n d)-2m/3n

maxonik [38]

Answer:

$B.\ \frac{3m}{2n}$

Step-by-step explanation:

Given

$4mnx^2 - 6m^2x - 6n^2x + 9mn = 0\ (m, n \neq 0)$

Required

Calculate one of the root of the equation

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Split equation

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Make x the subject of formula in both expressions

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<em>From the list of given options, one of the roots of the equation is</em> $\frac{3m}{2n}$

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tresset_1 [31]

R $\geq$ 12-5
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3 years ago

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Sliva [168]

Answer:

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Step-by-step explanation:

just flip the number

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