4 years ago

Amar tried to evaluate an expression step by step. -2 + 5 - (-3)

1 answer:

6 0

Answer:

Step-by-step explanation: - (-3) should be a positive 3 when simplified. Whenever there is two negative sign in front of a number it is going to be positive.

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dsp73

The second choice is the answer

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3 years ago

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Bad White [126]

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3 years ago

Find area and round to nearest thousandth

vesna_86 [32]

Answer:

236.715 ft²

Step-by-step explanation:

The figure consists of the rectangle with sides 15 ft and 4 ft and two semicircles with diameter 15 ft (radius 7.5 ft).

The area of the rectangle is

A₁=15·4=60 ft²

The area of two semicircles together is the area of circle. Thus,

A₂=πr²=π·7.5²=56.25π≈176.715 ft²

The area of the figure is

A=A₁+A₂=60+176.715=236.715 ft²

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4 years ago

Does 2/5 round to 1/2

ELEN [110]

It does if you're rounding to the nearest 1/2 .

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3 years ago

A square room contains 500 m^3 of air. if the cost of painting its four walls at Rs 8 per m^2 be Rs 1600, Find the height of the

ale4655 [162]

Answer:

I'm sorry if i'm wrong but I hope this helps

Step-by-step explanation:

Volume = l³ = 500

$length = \sqrt[3]{500} = 7.937m$

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3 years ago