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3 years ago

For questions 8-10 in the diagram below, AB is parallel to CD. Use the diagram to find the unknown angles

Mathematics

1 answer:

telo118 [61]3 years ago

8 0

Answer:

x=78°

y=78°

z=102°

Step-by-step explanation:

x=78°

y=78°

z=180-78=102°

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An object is moved at a constant speed of 20m/s for 4s

konstantin123 [22]

Answer:

80 m is distance traveled

Step-by-step explanation:

if object moves at 20m/s, then in 4 seconds the expression 20 x 4 is used to get 80. 80 m traveled

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2 years ago

Please give me correct answer

babunello [35]

Answer:

36 = 17+19 ---> They are twin primes and their sum is 36

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3 years ago

Whats the middle number of 31?

docker41 [41]

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3 years ago

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Evaluate lim x → 0+ x ln(x3). solution the given limit is indeterminate because, as x → 0+, the first factor (x) approaches 0 co

Degger [83]

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L'Hopital's rule tells us the limit is equal to

$-3\displaystyle\lim_{x\to\infty}\frac{\frac1x}1=0$

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3 years ago

An airplane leaves an airport and flies due west 150 miles and then 170 miles in the direction S 49.17°W. How far is the plane f

Basile [38]

Notice the picture below

what we have, is really an angle, encroached by two sides

thus, use the Law of Cosines

$\bf \textit{Law of Cosines}\\ \quad \\
c^2 = {{ a}}^2+{{ b}}^2-(2{{ a}}{{ b}})cos(C)\implies 
c = \sqrt{{{ a}}^2+{{ b}}^2-(2{{ a}}{{ b}})cos(C)}\\\\
-----------------------------\\\\
\textit{so the distance "c" from the airplane to the airport}\\
\textit{using angle C, and the sides "a" and "b"}
\\\\\\
c=\sqrt{150^2+170^2-(2\cdot 150\cdot 170)cos(49.17^o)}\qquad
\begin{cases}
a=150\\
b=170\\
C=49.17^o
\end{cases}$

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3 years ago

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