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3 years ago

Help thank u so much thanks

Mathematics

2 answers:

Pani-rosa [81]3 years ago

5 0

Answer:

1. 8.58, 8.508, 7.5, 7.058

2. 439.612, 439.261, 439.216, 439.126

Step-by-step explanation:

Prioritize the numbers that have a higher digit at a higher position. Just for fun:

In[1]:= ReverseSort[{8.508, 8.58, 7.5, 7.058}]

Out[1]= {8.58, 8.508, 7.5, 7.058}

In[2]:= ReverseSort[{439.216, 439.126, 439.612, 439.261}]

Out[2]= {439.612, 439.261, 439.216, 439.126}

Jlenok [28]3 years ago

4 0

7.5, 7.058, 8.508,

8.58

Step-by-step explanation:

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Travis writes 72=9×8. Is he correct? Explain at least 2 strategies Travis can use to check his work.

Neporo4naja [7]

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Answer:

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Step-by-step explanation:

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Solve the following equation; domain 0< x < 360; 3 cot x + sqrt 3 = 0

kondaur [170]

ANSWER

$x =120 \degree \: or \: 300 \degree$

EXPLANATION

We want to solve the trigonometric equation

$3 \cot(x) + \sqrt{3} = 0$

We group like terms to obtain,

$3\cot(x) = - \sqrt{3}$

Divide both sides of the equation by 3 to get,

$\cot(x) = - \frac{ \sqrt{3} }{3}$

We can reciprocate both sides to get,

$\tan(x) = - \frac{3}{ \sqrt{3} }$

We simplify the right hand side to get,

$\tan(x) = - \sqrt{3}$

Since the tangent ratio is negative, it implies that it is either in the second quadrant or fourth quadrant.

In the second quadrant,

$x = 180 \degree - arctan( \sqrt{3})$

$x = 180 \degree - 60 \degree = 120 \degree$

In the fourth quadrant,

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$x = 360 \degree - 60 \degree$

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Answer:

Step-by-step explanation:

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