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IgorLugansk [536]
3 years ago
6

One-step equations: integers 18=a/2

Mathematics
2 answers:
denpristay [2]3 years ago
7 0

Answer:

36

Step-by-step explanation:

18=a/2

2*18=a

36=a

Serjik [45]3 years ago
5 0
18= a/2

Cross multiple a= 18*2 and then a=36
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Find the missing part.
sveta [45]

Answer:

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Step-by-step explanation:

We have to:

cos(\theta) = \frac{adjacent\ side}{hypotenuse}

So, if we take the 60 degree angle of the smallest triangle, we have to:

cos(60) = \frac{a}{x}

We do not know x. But if we take the sine of the angle of 30 degrees and the main triangle we have:

sin(30) = \frac{x}{15}\\\\x =\frac{15}{2}

Then:

cos(60) = \frac{a}{\frac{15}{2}}

a = cos(60)\frac{15}{2}

a = \frac{15}{4}

7 0
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Answer:

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Step-by-step explanation:

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Read 2 more answers
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astraxan [27]

Answer:

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