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3 years ago

Express the ratio 5 : 20 as a percentage.

Mathematics

1 answer:

Fantom [35]3 years ago

8 0

5 : 20 as a percentage equals 5/20, which is 0.25 or 25%

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ioda

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4 years ago

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Masja [62]

Answer:

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3 years ago

Monica wants to measure the dimensions of her rectangular lawn. If the longer side of the lawn is (x + 3) feet and the diagonal

Nikolay [14]

Answer:

$\text{Hence, The shortest side of her Lawn is} \sqrt{2x+7}\text{ feet}$

Step-by-step explanation:

Given: Monica wants to measure the dimensions of her rectangular lawn.

If the longer side of the lawn is BC=(x + 3) feet.

If the diagonal length is AC=(x + 4) feet.

Let the shortest side of lawn is AB=y feet

The angle of rectangle is right angle.

Using diagonal, shortest and longer side to make a right angle triangle whose hypotenuse is length of diagonal.

Using Pythagoreous theorem,

$AB^2+BC^2=AC^2$

$y^2+(x+3)^2=(x+4)^2$

$y^2=(x+4)^2-(x+3)^2$

$y^2=x^2+16+8x-x^2-9-6x$

$y^2=2x+7$

$y=\pm \sqrt{2x+7}$

We will ignore the negative value because side of rectangle can't be negative.

$y=\sqrt{2x+7}\text{ feet}$

$\text{Hence, The shortest side of her Lawn is} \sqrt{2x+7}\text{ feet}$

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3 years ago

What is the least common multiple of 36 and 45

bagirrra123 [75]

LCM of 36 and 45 The LCM of 36 and 45 is 180. To find the LCM, list the multiples of each number. The first one that both numbers have in common is the LCM. 36: 36, 72, 108, 144, 180, 216 45: 45, 90, 135, 180, 225 The first multiple they have in common is 180, so it is the LCM. this is wrong.......

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4 years ago

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Harlamova29_29 [7]

Answer:

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Step-by-step explanation:

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3 years ago