Answer: 5 cos x
<u>Step-by-step explanation:</u>
y = sin x is y = cos x shifted to the right π/2 units.
y = 5 sin (x + π/2) is a shift to the left π/2 units (which results in cos x) and . an amplitude of 5.
--> y = 5 cos x
Answer:
1
Step-by-step explanation:
it is an identity. hope it helps
Answer:
$116.82
Step-by-step explanation:
$99 * 18% = $17.82
^ this is our tax now we need to add it to the total cost of the room ($99)
$99 + $17.82 = $116.82
Money spent + money left over = total money
money spent + 9 = 30
We don't know the price of each shirt, so let x = price of 1 shirt.
Then, 3 shirts cost 3 times as much as x, or 3x.
She spent 3x.
3x + 9 = 30
Answer:
44º
44º
136º
22º
Step-by-step explanation:
If you want i can explain in the comments.