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VladimirAG [237]
3 years ago
12

A soccer field has a perimeter of 326 metres. Its area is 6370 square metres. What are the dimensions of the field?

Mathematics
1 answer:
Burka [1]3 years ago
4 0

Answer:

Step-by-step explanation:

chiều dài:x,x>0

chiều   rộ:y

\left \{ {({x+y)*2=326} \atop {xy=6370}} \right.

\left \{ {{x+y=163} \atop {xy=6370}} \right.

\left \{ {{y=163-x} \atop {xy=6370}} \right.

\left \{ {{y=163-x} \atop {x*(163-x)=6370}} \right.

\left \{ {{y=163-x} \atop {163x-x^{2} =6370}} \right. \\

\left \{ {{y=163-x} \atop {x_{1} =98; x_{2} =65}} \right.

\left \{ {{y=65} \atop {x=98}} \right.

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A bandleader randomly select's two students out of 100 bandmembers if you and your brother are both bandmembers what is the prob
kherson [118]
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A. Write an expression for the area of the shaded region.
tekilochka [14]

Answer:

A. 25x² - 64

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Step-by-step explanation:

A. The area of the shaded region = area of the whole large square - area of the 4 smaller squares

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Area of shaded region = 25x^2 - 64

B. The expression, 25x^2 - 64, is the difference of two perfect squares, 25x² and 64. Therefore, apply the rule of factoring difference of two perfect squares.

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Therefore, the expression of the are of the shaded region can be expressed in factored form as:

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3 years ago
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