#26 please PLEASE EXPLAIN

Mathematics

2 answers:

Marta_Voda [28]3 years ago

4 0

A = a^2.....the area of a square is equal to one side squared.

A = 125

125 = a^2....now take the sqrt of both sides, this eliminates the ^2
sqrt 125 = a
11.18 rounds to 11 miles....so each side is 11 miles

Amiraneli [1.4K]3 years ago

3 0

25 miles and 5 miles because you only multiply two sides to find the area 25•5=125

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qaws [65]

Answer:

Width of the rectangle = 5 inches

Length of the rectangle = 20 inches

Step-by-step explanation:

Let us assume the width of the rectangle = m in

So, the length of the rectangle = 4 (Width) = (4 m) in

Perimeter of the rectangle = 50 inches

Now, Perimeter of the Rectangle = 2 (LENGTH + WIDTH)

⇒ 2( m + 4m) = 50

or, 2(5m) = 50

⇒ 10m = 50 or, m = 50/10 = 5

⇒ m = 5

So, the width of the rectangle = 5 inches

and the length of the rectangle = 4 m = 4 x 5 = 20 inches

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$\bf \boxed{y=(x-{{ h}})^2+{{ k}}}\\\\
x=(y-{{ k}})^2+{{ h}}\qquad\qquad vertex\ ({{ h}},{{ k}})\\\\
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\textit{vertex is at 4,-4}\implies 
\begin{cases}
h=4\\
k=-4
\end{cases}\implies y=(x-4)^2+(-4)
\\\\\\
\boxed{y=(x-4)^2-4}$