3 years ago

Find the retail price if original cost is $45 and markup 20%

Mathematics

2 answers:

kozerog [31]3 years ago

4 0

9 lmk if I’m right...

lutik1710 [3]3 years ago

4 0

I think it’s gonna be 9!!!

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Factorise the following quadratic expressions; 6a-18a 21x -3x² 1/16 - p² 25v²-1

Lubov Fominskaja [6]

Answer:

− 12 a

3 x ( 7 − x )

( 1 4 + p ) ( 1 4 − p )

( 5 v + 1 ) ( 5 v − 1 )

Step-by-step explanation:

I think these are the right answers

3 0

2 years ago

The point (1, −1) is on the terminal side of angle θ, in standard position. What are the values of sine, cosine, and tangent of

mixer [17]

Notice the picture below

x = 1 and y = -1

now... recall your SOH CAH TOA $\bf sin(\theta)=\cfrac{y}{r}
\qquad 
% cosine
cos(\theta)=\cfrac{x}{r}
\qquad 
% tangent
tan(\theta)=\cfrac{y}{x}$

now.. what's the value for "r" or the radius? well, using the pythagorean theorem $\bf c^2=a^2+b^2\implies c=\sqrt{a^2+b^2}\qquad 
\begin{cases}
a=x\\
b=y\\
c=r
\end{cases}$