All categories

3 years ago

Convert –18° to radians

Mathematics

2 answers:

Vera_Pavlovna [14]3 years ago

5 0

I think it will be 0.314 radian

MariettaO [177]3 years ago

3 0

Answer:

-π/10 radians

Step-by-step explanation:

To convert degrees to radians, the following conversion is used:

180° = πrad

To convert -18° to radians

Let -18° = x rad

Cross multiplying both equalities to find the unknown variable x we have;

180° × x = -18° × π

x = -18π/180°

x = -π/10radians

The conversion of -18° to radians is -π/10radians

You might be interested in

URGENT HELPP

Alexxx [7]

Answer:

r6uvhtuvvy

Step-by-step explanation:

uvvjtrvyuruf

7 0

3 years ago

Read 2 more answers

Square root of -49 in terms of i

natita [175]

Answer:

Step-by-step explanation:

We know that i = √-1

Then solving the given:

√-49 = √49×(-1) = √49 × √-1 = 7×√-1 = 7i

So the answer is:

√-49 = 7i

3 0

4 years ago

Select the correct answer<br> What is the sum of -6 4/5 and 6 4/5?

forsale [732]

Answer: 0

Step-by-step explanation: -6.80 + 6.80

Negative numbers act as subtracting

5 0

3 years ago

Read 2 more answers

Find the exact value of tan (arcsin (two fifths)). For full credit, explain your reasoning.

Hitman42 [59]

$\bf sin^{-1}(some\ value)=\theta \impliedby \textit{this simply means}
\\\\\\
sin(\theta )=some\ value\qquad \textit{now, also bear in mind that}
\\\\\\
sin(\theta)=\cfrac{opposite}{hypotenuse}\qquad 
\qquad 
% tangent
tan(\theta)=\cfrac{opposite}{adjacent}\\\\
-------------------------------\\\\$

$\bf sin^{-1}\left( \frac{2}{5} \right)=\theta \impliedby \textit{this simply means that}
\\\\\\
sin(\theta )=\cfrac{2}{5}\cfrac{\leftarrow opposite}{\leftarrow hypotenuse}\qquad \textit{now let's find the adjacent side}
\\\\\\
\textit{using the pythagorean theorem}\\\\
c^2=a^2+b^2\implies \pm\sqrt{c^2-b^2}=a\qquad 
\begin{cases}
c=hypotenuse\\
a=adjacent\\
b=opposite\\
\end{cases}$

$\bf \pm \sqrt{5^2-2^2}=a\implies \pm\sqrt{21}=a
\\\\\\
\textit{we don't know if it's +/-, so we'll assume is the + one}\quad \sqrt{21}=a\\\\
-------------------------------\\\\
tan(\theta)=\cfrac{opposite}{adjacent}\qquad \qquad tan(\theta)=\cfrac{2}{\sqrt{21}}
\\\\\\
\textit{and now, let's rationalize the denominator}
\\\\\\
\cfrac{2}{\sqrt{21}}\cdot \cfrac{\sqrt{21}}{\sqrt{21}}\implies \cfrac{2\sqrt{21}}{(\sqrt{21})^2}\implies \cfrac{2\sqrt{21}}{21}
$

7 0

3 years ago

Max has more than 5 carrots( number of carrots Max has=c)

Marianna [84]

Answer:

"More than" is the same as "greater than". The symbol for greater than is >

The inequality should be: c > 5

Step-by-step explanation:

4 0

3 years ago