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marshall27 [118]
2 years ago
15

50 POINTS AND BRAINLYLIST

Mathematics
2 answers:
Alexeev081 [22]2 years ago
3 0

\\ \rm\hookrightarrow tanx=P/B

\\ \rm\hookrightarrow tanx=105/161

\\ \rm\hookrightarrow tanx=0.62

\\ \rm\hookrightarrow x=tan^{-1}(0.62)

\\ \rm\hookrightarrow x=32.6

igor_vitrenko [27]2 years ago
3 0

Question: A plant is 103 mi north and 161 east of an airport. Find x, the angle the pilot should turn in order to fly directly to airport.

Solution:

<u>using tan rule</u>:

\hookrightarrow \sf tan(x) = \dfrac{opposite}{adjacent}

\hookrightarrow \sf tan(x) = \dfrac{103}{161}

\hookrightarrow \sf x = tan^{-1}(\dfrac{103}{161} )

\hookrightarrow \sf x = 32.6

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Luna at $50 when she got to the carnival after riding 12 rides she had twenty-six dollars left what was the price of which equat
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\frac{50 - 26}{12}  = x
\frac{24}{12}  = x
2 = x
8 0
3 years ago
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In a newspaper, it was reported that the number of yearly robberies in Springfield in 2012 was 200, and then went down by 26% in
lapo4ka [179]

Answer:148

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8 0
3 years ago
If the circumference of a circle measures 3/2TT cm, what is the area of the circle in terms of TT?
diamong [38]

Answer:

A = pi 9/16  cm^2

Step-by-step explanation:

The circumference is 3/2 pi

The circumference is given by

C = 2 * pi *r

3/2 pi = 2 * pi *r

Divide each side by 2 *pi

3/2 pi / 2 pi  = 2 pi r /2pi

3/4 cm = r

Now we can find the area

A = pi r^2

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A = pi 9/16  cm^2

7 0
3 years ago
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Please help this is for my maths midterm and i have no idea how to solve
slava [35]

Step-by-step explanation:

4 0
4 years ago
If sin x=2/9,x, in quadrant i, then find(without findingx): sin(2x), cos(2x), tan(2x)
Sergio039 [100]
We have that
<span>sin x=2/9

we know that
sin</span>² x+cos² x=1---------> cos² x=1-sin² x-----> cos² x=1-(2/9)²
cos² x=1-(4/81)------> (81-4)/81-----> 77/81
cos x=√(77/81)

Sin 2x = 2 sin x cos x-------> 2*(2/9)*(√(77/81))----> (4/81)*√77---> 0.43

Sin 2x=0.43
so
cos² 2x=1-sin² 2x---------> 1-[0.43]²-----> 1-[0.1878]----> 0.81
cos² 2x=0.81-----------> cos 2x=0.9

tan 2x=sin 2x/cos 2x--------> tan 2x=0.43/0.9---------> tan 2x=0.48

the answers are
sin 2x=0.43
cos 2x=0.9
tan 2x=0.48


8 0
4 years ago
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