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2 years ago

I NEED HELLP PLZZZZZZZZZZZ

Mathematics

2 answers:

SVEN [57.7K]2 years ago

6 0

20.41
(one pound is .454 kilograms)

marysya [2.9K]2 years ago

4 0

Answer:

45 lb is about 20.412; rounding it would be 20.4

Step-by-step explanation:

1 kg is about 2 pounds. (Used a conversion thing).

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Sidana [21]

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Step-by-step explanation:

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2 years ago

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2 years ago

The supplement of an angle is 50 less than 3 times its complement, find the measure of the angle

Lelechka [254]

Answer:

$20^{\circ}$ .

Step-by-step explanation:

Two angles are supplements of one another if their sum is $180^{\circ}$ .

Two angles are complements of one another if their sum is $90^{\circ}$ .

Let $x^{\circ}$ be the measure of the angle in question.

The supplement of this angle would be $(180 - x)^{\circ}$ .

The complement of this angle would be $(90 - x)^{\circ}$ .

According to the question:

$(180 - x) + 50 = 3\, (90 - x)$ .

Solve this equation for $x$ :

$x = 20$ .

Thus, this angle would measure should $20^{\circ}$ .

The supplement of this angle would measure $(180 - 20)^{\circ} = 160^{\circ}$ . The complement of this angle would measure $(90 - 20)^{\circ} = 70^{\circ}$ .

Three times the complement of this angle would be $3 \times 70^{\circ} = 210^{\circ}$ , which is indeed $50^{\circ}$ greater than the supplement of this angle.