Just simplify by isolating the variable.
To do this, you need to get rid of the coefficient.
This means dividing both sides by 6.
6m / 6 = m
60 / 6 = 10
m = 10 is the answer.

6 0

3 years ago

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A rectangular pool is to be built on a lot that measures 20 m by 12 m. A wooden deck of uniform width, equal to the area of the

frutty [35]

The length and breadth(width) of the pool are

$l\approx15.7m\text{ and }b\approx7.7m$

Let

$l=\text{length of the side of the pool}\\b=\text{breadth of the pool side}\\w=\text{the width of the strip of deck surrounding the pool}$

From the question, we can build the following relationships

$l+2w=20\\b+2w=12$

subtracting to eliminate $w$ (we do not even need it!)

$l-b=8\\b=l-8$

we can also build another relationship from the question. Since the area of the strip equals the area of the pool:

$lb+lb=2lb=20\times 12\\lb=120$

We have two unknowns, $l$ and $b$ . Eliminate $b$

$lb=120\\l(l-8)=120\\l^2-8l-120=0$

If we solve the quadratic equation for $l$ , we get

$l=4+2\sqrt{34}\approx 15.7m$

and

$b=l-8\\b=(4+2\sqrt{34})-8\\b=2\sqrt{34}-4\approx7.7m$

The length and breadth(width) of the pool are

$l\approx15.7m\text{ and }b\approx7.7m$

Learn more about area here: brainly.com/question/1447350

7 0

2 years ago

A cylinder has a base radius of 3cm and a height of 2cm. What is its volume in cubic

bogdanovich [222]

Answer:

V=56.5

Step-by-step explanation:

Formula for finding volume of a cylinder is V=pi r^2h, substitute h for the height and r for radius. V=pi 3^2 2

8 0

3 years ago

If the statement "If the sun is shining, then it's not raining" is assumed to be true, is its reverse, "If it's not raining, the

madreJ [45]

No, because it might be cloudy instead.

This is just like the statement, "All squares are rectangles" yet "All rectangles are squares" is not true.

3 0

4 years ago

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Need help please n ÷ 8 = 13 ​

Need help please n ÷ 8 = 13