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3 years ago

What ratio is equivalent to 3:9 24:54, 18:54, 36:81

Mathematics

2 answers:

Elena L [17]3 years ago

8 0

Answer:

Step-by-step explanation:

frutty [35]3 years ago

8 0

Answer:

Step-by-step explanation:

3:9 $\neq$ 24:54, 24/3 = 8, 54 / 9 = 6, 8 $\neq$ 6, NOT Equal

3:9 = 18:54, 18/3 = 6, 54/9 = 6, 6=6, EQUAL

We've now found the answer, but for the sake of learning, let's keep going.

3:9 $\neq$ 36:81, 36/3 = 12, 81/9 = 9, 12 $\neq$ 9, NOT Equal

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Answer: leave him

Step-by-step explanation:

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3 years ago

What is 65% written as a fraction in its simplest form?

alexdok [17]

65/100 = 13/20
(divide by 5 on both sides)
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3 years ago

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Cole wants to buy carpet to cover his whole living room, except for the tiled floor. The tiled floor is 4 5 6 ft by 2 1 3 ft. Fi

Shtirlitz [24]

Answer:

$Area = 49\frac{25}{36}$

Step-by-step explanation:

Given

Tile

$Length = 4\frac{5}{6}$

$Width = 2\frac{1}{3}$

See attachment for dimension of the floor

Required

Determine the area covered by the carpet

From the attachment, the dimension of the floor is:

$Length = 12\frac{1}{4}$

$Width = 5$

Calculate Area

$Area = Length * Width$

$Area = 12\frac{1}{4} * 5$

$Area = 61\frac{1}{4}$

The area of the tiles is:

$Area = 4\frac{5}{6} * 2\frac{1}{3}$

$Area = \frac{29}{6} * \frac{7}{3}$

$Area = \frac{203}{18}$

$Area = 11\frac{5}{18}$

So, the carpet area is:

$Area = Floor\ Area - Tile\ Area$

$Area = 61\frac{1}{4} - 11\frac{5}{18}$

To improper number

$Area = \frac{245}{4} - \frac{208}{18}$

Take LCM

$Area = \frac{2205 - 416}{36}$

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$Area = 49\frac{25}{36}$

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3 years ago

Find the center and radius of the circle whose equation is x 2 + y 2 + 10x − 1

Margaret [11]

we conclude that the center of the circle is the point (-5, 0).

<h3>How to find the center of the circle equation?</h3>

The equation of a circle with a center (a, b) and a radius R is given by:

$(x - a)^2 + (y - b)^2 = R^2$

Here we are given the equation:

$x^2 + y^2 + 10x - 1 = 0$

Completing squares, we get:

$x^2 + 10x + y^2 = 1$

Now we can add and subtract 25 to get:

$x^2 + 10x + 25 - 25 + y^2 = 1\\\\(x + 5)^2 -25 + y^2 = 1\\\\(x + 5)^2 + (y - 0)^2 = 26$

Comparing that with the general circle equation, we conclude that the center of the circle is the point (-5, 0).

If you want to learn more about circles:

brainly.com/question/1559324

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2 years ago

State the domain and range<br> {(2,4), (3,7), (4,9), (6,11)}

mihalych1998 [28]

Answer:

Domain= 2,3,4,6

Range=4,7,9,11

Domain [2,6]

Range [4,11]

Step-by-step explanation:

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3 years ago

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