Answer:
First awnser
Step-by-step explanation:
4x(7-v2)+v7(7-v2)
28-4v2+7v7-v14
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:20 * 7 (20 times/ multiplied by 7)
Step-by-step explanation: home is 20weeks with 7 days each. So, 20 times 7
In other words
Count seven days 20 times
½×½ which will be ¼
Step-by-step explanation:
because
