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2 years ago

How do u divide with decimals in a number?

Mathematics

2 answers:

natima [27]2 years ago

6 0

If you are doing it by hand then:
you move the decimal until it is behind the numbers both under and on the outside of the division equation.
if you move one decimal 2 spots over then you must do it to the other number

djverab [1.8K]2 years ago

3 0

There are two ways here is one

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2 years ago

The ratio of the measure of the sides of the triangle is 1/6: 1/3: 1/4 if the perimeter of the triangle is 13.5 inches find the

marissa [1.9K]

Answer:

The shortest side of the triangle is 3 inches.

Step-by-step explanation:

Given:

The ratio of the measure of the sides of the triangle is 1/6: 1/3: 1/4.

The perimeter = 13.5 inches.

Now, to find the shortest side.

Let the one side be $\frac{1}{6}x$

And the second side be $\frac{1}{3}x$ .

And the third side be $\frac{1}{4}x$ .

According to question:

$\frac{1}{6}x+\frac{1}{3}x+\frac{1}{4}x=13.5$

⇒ $\frac{x}{6}+\frac{x}{3}+\frac{x}{4}=13.5$

Adding all the variables by taking common denominator we get:

⇒ $\frac{9x}{12}=13.5$

Multiplying both sides by 12 we get:

⇒ $9x=162$

Dividing both sides by 9 we get:

⇒ $x=18$

Thus, the sides of the triangle are:

1/6×18=3 inches.

1/3×18=6 inches.

1/4×18=9/2=4.5 inches.

Therefore, the shortest side of the triangle is 3 inches.

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2 years ago

a room is 24' long 18' wide and 9'high how many square yards of wallpaper are needed to paper the four walls of the room

sergeinik [125]

1. 24 times 18 times 9 to find area of the walls.
2. Take 3888 and divide that by 4 to get how much you need.
3. Answer is 972

So your final answer should be 972 square yards are needed for 4 walls.

Hope this helped you!
Have a great day.

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3 years ago