3 years ago

Can u show me some division fractions

1 answer:

5 0

Do you mean like simple division fractions? For example what is 2/3 divided by 1/5 or 3/2 divided by 4/9 if you could be more specific.

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Identify the vertex for the graph of y = 2x2 + 8x − 3. (2, 21) (2, 17) (−2, −11) (−2, −27)

Finger [1]

$\bf \textit{vertex of a vertical parabola, using coefficients}
\\\\
\begin{array}{lcccl}
y = & 2x^2& +8x& -3\\
&\uparrow &\uparrow &\uparrow \\
&a&b&c
\end{array}
\qquad 
\left(-\cfrac{ b}{2 a}\quad ,\quad c-\cfrac{ b^2}{4 a}\right)
\\\\\\
\left( -\cfrac{8}{2(2)}~~,~~-3-\cfrac{8^2}{4(2)} \right)\implies \left( \cfrac{-8}{4}~~,~~-3-\cfrac{64}{8} \right)
\\\\\\
\left(-2~~,~~-3-8 \right)\implies (-2~~,~~-11)$

5 0

3 years ago

Read 2 more answers

2 numbers a and B are graphed on a number line is it always sometimes or never true

prohojiy [21]

The answer is "sometimes".

If A = 3 and B = 1 then, A > B and A-B < A+B

On the other hand, If A = 3 and B = -1, then A > B but A-B is not less than A+B.

4 0

3 years ago

Which choice shows how to find the greatest common factor of 18 and 72 through prime factorization

Marta_Voda [28]

$\begin{array}{c|c}18&2\\9&3\\3&3\\1\end{array}\\\\18=\boxed2\cdot\boxed3\cdot\boxed3\\\\\begin{array}{c|c}72&2\\36&2\\18&2\\9&3\\3&3\\1\end{array}\\\\72=2\cdot2\cdot\boxed2\cdot\boxed3\cdot\boxed3\\\\GCF(18,\ 72)=\boxed2\cdot\boxed3\cdot\boxed3=\boxed{\boxed{18}}$