If Sachiko lets x represent the length of the side of the square and she wants to find the length of the perimeter of the square, it is appropriate for her to ...

... B. Set the area equal to x², solve for x, and then multiply the value of x by 4.

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The area of a square of side length x is x·x = x². The perimeter of a square of side length x is x+x+x+x = 4·x.

3 0

3 years ago

Please answer my other question i need help.

Eduardwww [97]

Answer: Ok

Step-by-step explanation:

7 0

3 years ago

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A jar contains 4 blue marbles, 6 red marbles, 10 purple

earnstyle [38]

Answer:

Step-by-step explanation

I got the right answer

4 0

3 years ago

What are the coordinates of the vertex of the parabola with the equation y = x2 + 2x – 3?

Ilia_Sergeevich [38]

$\bf \textit{vertex of a parabola}\\ \quad \\

\begin{array}{llccll}
y=&1x^2&+2x&-3\\
&\uparrow &\uparrow &\uparrow \\
&a&b&c
\end{array}\qquad 
\left(-\cfrac{{{ b}}}{2{{ a}}}\quad ,\quad {{ c}}-\cfrac{{{ b}}^2}{4{{ a}}}\right)$

4 0

3 years ago

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