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Blizzard [7]
2 years ago
12

Answer please because no one ever does barely

Mathematics
1 answer:
seropon [69]2 years ago
3 0
For the first rectangle, the answer is 4n+1.2.

Explanation:

The perimeter is all the side lengths added together.  That means, for this rectangle, the perimeter would be n+n+0.6+n+n+0.6, which can be simplified to 4n+1.2.

For the second rectangle, the answer is 6n+0.2.

Explanation:

Again, the perimeter is all the side lengths added together.  That means, for this rectangle, the perimeter would be n+0.1+2n+n+0.1+2n, which can be simplified to 6n+0.2.
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Substitute x = (- 1 + 2√2)/4 in the equation (4x + 1)² - 8 = 0 and check whether the value satisfies the given equation.
kow [346]

The value of  x = (- 1 + 2√2)/4 satisfies the given equation.

<h3>What is an Equation ?</h3>

An equation is a mathematical statement formed when two algebraic expressions are equated by an equal sign.

The equation given is

(4x + 1)² - 8 = 0

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To check whether it satisfies the equation

( 4 * ( (- 1 + 2√2)/4) +1)² -8 = 0

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As LHS = RHS ,

hence the value of  x = (- 1 + 2√2)/4 satisfies the given equation.

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I need help btw i am in middle school
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