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3 years ago

A square has an area of 49 square meters. What is the perimeter of the square

Mathematics

1 answer:

Neporo4naja [7]3 years ago

6 0

Answer:

The side is 7 meters

The perimeter is 28m

Step-by-step explanation:

The area of a square is given by

A = s^2

We know the area is 49

49 = s^2

Take the square root of each side

sqrt(49) = sqrt(s^2)

7 = s

The perimeter is found by P =4s for a square

P =4*7 = 28

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Jackson used the process of completing the square to solve the equation 2x2−12x=−6.

Nikolay [14]

Answer:

$x=3-\sqrt{6},x=3+\sqrt{6}$

Step-by-step explanation:

we are given equation as

$2x^2-12x=-6$

Since, we have to solve it by using complete square

so, firstly we will complete square

and then we can solve for x

step-1:

Factor 2 from both sides

$2(x^2-6x)=-3\times 2$

step-2:

Simplify it

$x^2-6x=-3$

step-3:

Add both sides 3^2

$x^2-6x+3^2=-3+3^2$

now, we can complete square

$(x-3)^2=6$

step-4:

Take sqrt both sides

$(x-3)=-\sqrt{6},(x-3)=\sqrt{6}$

step-5:

Add both sides by 3

we get

$x=3-\sqrt{6},x=3+\sqrt{6}$

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How do you solve the equation 2/7m-1/7=3/14

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