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ss7ja [257]
1 year ago
11

John wrote that 5+5=10.

Mathematics
1 answer:
Anvisha [2.4K]1 year ago
8 0

By the additive property of equality, the equations John wrote are equivalent.

<h3>Additive property of equality: Determining equivalent equations</h3>

From the question, we are to determine if the equations John wrote are equivalent.

From the given information,

John wrote that

5 + 5 = 10

Then,

He added n to both sides of the equation to get

5 + 5 + n = 10 + n

From the Additive property of equality, we have that

"<em>If we add or subtract the same number to both sides of an equation, the sides remain equal</em>."

Since, John added the same number, n, to both sides of the equation, the equations John wrote are equivalent.

Learn more on Determining equivalent equations here: brainly.com/question/21765596

#SPJ1

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Step-by-step explanation:

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5 0
2 years ago
In a building there are 30 cylindrical pillars. The radius of each pillar is 42 m and height is 7 m. Find the total cost of pain
SashulF [63]

Answer:

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Step-by-step explanation:

Given : In a building there are 30 cylindrical pillars. The radius of each pillar is 42 m and height is 7 m.

To find : The total cost of painting the curved surface area of all pillars at the rate of Rs 10 per square meter ?

Solution :

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The curved surface area of each pillar is CSA=2\pi rh

Substitute the value,

CSA=2\times \frac{22}{7}\times 42\times 7

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The cost painting is C=55440\times 10=Rs.554400

Therefore, the total cost of painting the curved surface area of all pillars at the rate of Rs 10 per square meter is Rs.554400.

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