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3 years ago

Simplify the Ratio 250: 550

Mathematics

2 answers:

pantera1 [17]3 years ago

3 0

The answer is 11:5 ……………….

erastovalidia [21]3 years ago

3 0

Answer 11:5
......................

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777dan777 [17]

The answer is 758 if I'm not mistaken

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3 years ago

drawbridge at the entrance to an ancient castle is raised and lowered by a pair of chains. The figure represents the drawbridge

jasenka [17]

Answer:

4.0 meters, ∠C = 39°, ∠A = 51°

Step-by-step explanation:

Firstly, our diagram shows us that the given triangle is actually a right triangle. So we can use the <em>Pythagorean Theorem</em> to solve for the height of the chain:

$a^{2} +b^{2} =c^{2}$

$(3.3)^{2} +b^{2} =(5.2)^{2}$

$b^{2} =(5.2)^{2}-(3.3)^{2}$

$b =\sqrt{(5.2)^{2}-(3.3)^{2}}$

$b=4.0187...$

$b=4.0 m$

Now, we can use the <em>Law of Cosines</em> to figure out one of the acute angles:

$c^{2} =a^{2} +b^{2} -2ab(cos(C))$

$(3.3)^{2} =(4.0)^{2} +(5.2)^{2} -2(4.0)(5.2)(cos(C))$

$cos(C)=\frac{(3.3)^{2}-(4.0)^{2} -(5.2)^{2}}{-2(4.0)(5.2)}$

$C=cos^{-1}( \frac{(3.3)^{2}-(4.0)^{2} -(5.2)^{2}}{-2(4.0)(5.2)})$

$C=39.3915...$

∠C = 39°

And since we know that all angles in a triangle add up to 180°:

∠A + ∠B + ∠C = 180

∠A + 90 + 39 = 180

∠A = 180 - 90 - 39

∠A = 51°

However, you should always review any answers on the Internet and make sure they are correct! Check my work to see if I made any mistakes!

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3 years ago

The sum of what integer and 181 is equal to -236?

slavikrds [6]

Answer:

Step-by-step explanation:

n - integer

The sum of n and 181 is equal to -236:

n + 181 = -236 <em>subtract 181 from both sides</em>

n + 181 - 181 = -236 - 181

n = -417

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3 years ago

Can I get steps on how to solve this?

LUCKY_DIMON [66]

Answer:divided the total buy 9 and if I’m reading correctly the total is two

Step-by-step explanation:

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2 years ago

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Gennadij [26K]

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