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alex41 [277]
3 years ago
9

ASAP please it’s very important

Mathematics
1 answer:
zaharov [31]3 years ago
4 0

Answer:

x = 30° and 330°

Step-by-step explanation:

Assuming the intervals is {0 , 2π} or {0° , 360°}

tan\ x=\frac{-\sqrt{3} }{3} \\\\x=tan^{-1} (\frac{-\sqrt{3} }{3})\\\\x = -30

So it means it lies in the 2nd and 4th quadrant because tangent is negative in the 2nd and 4th quadrant

so the two solutions are

x = 30° and 330° or

x=\frac{\pi }{6}\ radians\ \ , \ \ \frac{11\pi }{6}\ radians

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Hiroshi has 4 engines and 18 box cars. Find the ratio of engines to box cars. Write the ratio as a fraction in simplest form.
lyudmila [28]
To write a ratio as a fraction, we simply take the first number in the ratio and make it the numerator while taking the second number in the ratio and making it the denominator.

Because we want the ratio of engines to box cars, our ratio should be:

number of engines/number of box cars

When we substitute in our respective values, we get:

4/18

To simplify this ratio, we have to find the GCF, or greatest common factor of the numerator and the denominator, which in this case is 2. To simplify, we divide both the numerator and the denominator by the GCF, as follows:

4/2 / 18/2

When we simplify, we get:

2/9

Therefore, your answer is 2/9.

Hope this helps!
4 0
2 years ago
Can u guys please help a poor soul <br> 1/root 5 - root 3
Stolb23 [73]

Answer:

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Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
What is two and a half added to four and a half?
soldier1979 [14.2K]

Answer:

7

Step-by-step explanation:

4 0
3 years ago
Someone please help!! I would really appreciate it! This is my math test!
jolli1 [7]
X should be 13 not sure about y
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3 years ago
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Converges and diverged part 4<br>​
Allushta [10]

Answer:

Diverges; no sum

Step-by-step explanation:

This is comparable to:

\sum_{k=1}^\infty a \cdot r^{k-1} where:

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The series converges to:

\text{First term}\cdot \frac{1}{1-\text{common ratio}}

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This is a geometric series.

The common ration is -1.04 .

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Since the absolute value of -1.04 is 1.04>1, the series diverges.

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3 years ago
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