jar6 jar6
  • 03-09-2017
  • Mathematics
contestada

X(2•x)= 4•5•y
You get 77 points in you can help me with this!

Respuesta :

09pqr4sT
09pqr4sT 09pqr4sT
  • 01-08-2020

Answer:

[tex]\boxed{\mathrm{view \: explanation}}[/tex]

Step-by-step explanation:

x(2•x)= 4•5•y

Expand brackets,

2x•x²=20•y

Multiply.

2x³ = 20y

Divide both sides by 2.

x³ = 10y

Take cube root.

x = ∛10y

2x³ = 20y

Divide 20 on both sides.

1/10x³ = y

Answer Link
Hi1315
Hi1315 Hi1315
  • 01-08-2020

Answer:

[tex] y = \frac{ {x}^{3} }{10} [/tex]

Step-by-step explanation:

[tex]x(2 \times x) = 4 \times 5 \times y \\ 2x \times {x}^{2} = 20y \\ 2 {x}^{3} = 20y \\ \frac{ 2{x}^{3} }{20} = \frac{20y}{20} \\ y = \frac{ {x}^{3} }{10} [/tex]

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