cos(2x+x)
=cos (2x)cosx-sin(2x)sinx
=(1-2sin^2x)cosx-2sinxcosx*cos x
=cos x-2 sin ^2 x cos x-2 sin^2 xcos x
=cos x-4sin^2 x cos x
=cos x {1-4(1- cos ^2 x)}
=4 cos ^3x -3 cos x
Answer:
slope = 2
Step-by-step explanation:
Calculate the slope m using the slope formula
m = (y₂ - y₁ ) / (x₂ - x₁ )
with (x₁, y₁ ) = (1, - 5) and (x₂, y₂ ) = (4, 1)
m = = = 2
Answer:
Bro cheating .
Step-by-step explanation:
imagine cheating
Answer:
The answer is D.
Step-by-step explanation:
Well, all the equations are the same except for the symbol so you don't need to figure out the equation of the line.
Anyways, note that the line is dotted, which means it cannot be A nor B since they have an "equal to."
Also, note that the shaded region is above the graph. Since it is above, it means that y is greater than whatever x is.
Thus, the answer is D.
<h2>
Greetings!</h2>
Answer:
$250
Step-by-step explanation:
You can imagine the price of 212.5 to be 85% of the original price (100 - 15), so to do this, an easy way to find 100% is to simply divide the amount by the percentage:
Amount ÷
Simply plug the values in:
212.50 ÷ (
= 250
So the price of the tablet before markdown was $250!
<h2>Hope this helps!</h2>