ANSWER:
$18.90
EXPLANATION:
3L of fuel for every 100km
450km = 13.5L
13.5 x 1.40 = $18.90
Answer:
1 mile every 7.6 min
Step-by-step explanation:
Answer:
(0 + m)/2, (0 + n)/2.
Step-by-step explanation:
The x coordinate of the midpoint must be halfway between the x coordinates of A and B, and the y coordinate must be found in the same way.
So the midpoint is (0 + m)/2, (0 + n)/2.
Answer:
see explanation
Step-by-step explanation:
Using the trigonometric identities
secx =
, cosecx = ![\frac{1}{sinx}](https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7Bsinx%7D)
cotx =
, tanx = ![\frac{sinx}{cosx}](https://tex.z-dn.net/?f=%5Cfrac%7Bsinx%7D%7Bcosx%7D)
Consider the left side
secA cosecA - cotA
=
×
- ![\frac{cosA}{sinA}](https://tex.z-dn.net/?f=%5Cfrac%7BcosA%7D%7BsinA%7D)
=
- ![\frac{cosA}{sinA}](https://tex.z-dn.net/?f=%5Cfrac%7BcosA%7D%7BsinA%7D)
= ![\frac{1-cos^2A}{cosAsinA}](https://tex.z-dn.net/?f=%5Cfrac%7B1-cos%5E2A%7D%7BcosAsinA%7D)
=
( cancel sinA on numerator/ denominator )
= ![\frac{sinA}{cosA}](https://tex.z-dn.net/?f=%5Cfrac%7BsinA%7D%7BcosA%7D)
= tanA = right side ⇒ proven
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