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3 years ago

Determine the measure of ∠θ using a trigonometric ratio. ANSWERS: A) 45.10° B) 1.00° C) 12.54° D) 17.38°

Mathematics

1 answer:

Levart [38]3 years ago

4 0

Answer:

Step-by-step explanation:

angle A is 90 and c and b have to be equal

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The midpoint of CD is M(-1,-2). One endpoint is C (-9,-4). Find the coordinates of the other endpoint D.

yan [13]

$\bf ~~~~~~~~~~~~\textit{middle point of 2 points }\\\\
\begin{array}{ccccccccc}
&&x_1&&y_1&&x_2&&y_2\\
% (a,b)
&C&(~ -9 &,& -4~) 
% (c,d)
&D&(~ x &,& y~)
\end{array}\qquad
% coordinates of midpoint 
\left(\cfrac{ x_2 + x_1}{2}\quad ,\quad \cfrac{ y_2 + y_1}{2} \right)
\\\\\\
\left( \cfrac{x-9}{2}~~,~~\cfrac{y-4}{2} \right)=\stackrel{midpoint~M}{(-1~~,~~-2)}\implies 
\begin{cases}
\cfrac{x-9}{2}=-1\\\\
x-9=-2\\
\boxed{x=7}\\
----------\\
\cfrac{y-4}{2}=-2\\\\
y-4=-4\\
\boxed{y=0}
\end{cases}$

6 0

3 years ago

Help pleaseeeee?????

Artyom0805 [142]

They would be identical so it would be 114

4 0

3 years ago

What is the equation?

elena-s [515]

Answer:

cost = 1.35n

$33.75 for 25 songs

Step-by-step explanation:

Based on the numbers given, the cost is proportional to the number of songs downloaded. The constant of proportionality is the cost of one song: 1.35.

cost = 1.35n

For 25 songs, ...

cost = 1.35·25 = 33.75 . . . . dollars

The equation is ...

cost = 1.35n

5 0

3 years ago

I have 1,141 point i thought i might share them you here you go

zaharov [31]

Answer:

Thank you, person.

I hope this is good enough:

you want to talk about anything

7 0

3 years ago

Mylia has 20.65 m of wire. She used 15.8 m to make a sculpture. She cut the rest of the wire into 3 equal parts. What is the len

deff fn [24]

Answer:

1.6 meters

Step-by-step explanation:

20.65-15.8=4.85

4.85/3=1.6

5 0

2 years ago