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3 years ago

Solve the equation 53y-55=42y

Mathematics

1 answer:

tekilochka [14]3 years ago

4 0

Answer:

y=5

Step-by-step explanation:

Move all terms to the left

53y-55-(42y)=0

Add all the numbers together, and all the variables

11y-55=0

Move all terms containing y to the left, all other terms to the right

11y=55

y=55/11

y=5

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postnew [5]

Answer:

$B) \sqrt{2}$ ÷ $2\sqrt{5}$

Step-by-step explanation:

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$= \frac{2\sqrt{5} }{\sqrt{5} }$

→ 2 is a rational number

$B)$ → $\sqrt{2}$ ÷ $2\sqrt{5}$

$=\frac{\sqrt{2} }{2\sqrt{5} }$

$=\frac{\sqrt{2} }{\sqrt{2}*\sqrt{2}*\sqrt{5} }$

$= \frac{1}{\sqrt{10} }$

↑ is irrational number

$C)$ $\frac{\pi }{2}$ ÷ $\pi$

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So, Option B is your answer

$-----------------$

hope it helps..

have a great day!!!

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Read 2 more answers

Solve the equation 53y-55=42y​

Solve the equation 53y-55=42y