Solue the Selmultaneous equations:
3y +2x =5 and y-5x = 13​

Answers

Answer 1

Answer:

x=-2 and y=3

Explanation:

Isolate y and then x to get: y=13+5(-2)

Simplify to get y=3 then plug it back in to get x=-2

We can check, 9+ (-4)=5 hope this helps


Related Questions

Duas cargas elétricas Q¹= 15.10-seis ao quadrado C e Q² = 150.10-seis ao quadrado, estão separadas por uma distância de 0,1m, no vácuo. Determine a intensidade da força elétrica de repulsão existente entre as cargas. Dá uma força ae clã!

Answers

Answer:

The electric field intensity of electric force is [tex]1.35\times10^{7}\ N/C[/tex]

Explanation:

Given that,

First charge [tex]q_{1}=15\times10^{-6}\ C[/tex]

Second charge [tex]q_{2}=150\times10^{-6}\ C[/tex]

Distance = 0.1 m

We need to calculate the electric field intensity of electric force

Using formula of intensity of electric force

[tex]E=\dfrac{F}{q_{2}}[/tex]

[tex]E=\dfrac{kq_{1}}{r^2}[/tex]

Put the value into the formula

[tex]E=\dfrac{9\times10^{9}\times15\times10^{-6}}{(0.1)^2}[/tex]

[tex]E=13500000\ N/C[/tex]

[tex]E=1.35\times10^{7}\ N/C[/tex]

Hence, The electric field intensity of electric force is [tex]1.35\times10^{7}\ N/C[/tex]

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