Look at the picture and this is for my smart besties to answer

Mathematics

2 answers:

Furkat [3]3 years ago

3 0

Answer:1/12

Step-by-step explanation: if the loop 11/12 of a mile and she rode for 1/2 of a mile then 1/3 , subtract what she rode from 11/12 then you get 1/12

Levart [38]3 years ago

3 0

The answer is 1/12:

You can convert the fraction to all have a denominator of 12

When you do that, they change to…
1/2….6/12
And
1/3…4/12

You can add these fractions to get 10/12

So when you subtract that from 11/12 you will get 1/12 that she will have to walk

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The difference between roots of the quadratic equation x^2+x+c=0 is 6. find c.

DiKsa [7]

Answer:

$\displaystyle c = -\frac{35}{4} = -8.75$ .

Step-by-step explanation:

Let the smaller root to this equation be $m$ . The larger one will equal $m + 6$ .

By the factor theorem, this equation is equivalent to

$a(x - m)(x - (m+6))= 0$ , where $a \ne 0$ .

Expand this expression:

$a\cdot x^{2} - a(2m + 6)\cdot x + a(m^{2} + 6m) =0$ .

This equation and the one in the question shall differ only by the multiple of a non-zero constant. It will be helpful if that constant is equal to $1$ . That way, all constants in the two equations will be equal; $(m^{2} + 6m)$ will be equal to $c$ .

Compare this equation and the one in the question:

The coefficient of $x^{2}$ in the question is $1$ (which is omitted.) The coefficient of $x^{2}$ in this equation is $a$ . If all corresponding coefficients in the two equations are equal to each other, these two coefficients shall also be equal to each other. Therefore $a = 1$ .