Answer:
they have the same value (0)
Step-by-step explanation:
Cosine is an even function, meaning that cos(x) = cos(-x). When x=90°, we have ...
cos(90°) = cos(-90°)
Both values happen to be zero.
Answer:
5A. 80
6A. 84
8. 80
12. 130
17. 800
2. 10.5 cm
3. $102
4. 33 cars
5B. Gas: $55.44 Electricity: $76.56
6B. 85%, $17
Step-by-step explanation:
:) I think these are correct! They are in order from each page!
5A: 80*20%=16
6A: 84*50%=42
8: 80*75%=60
12: 130*40%=52
17: The printer costs $160, and 800*20%=160
2: 25% of 84 is 21 so there is 63 cm left. Divide by 6 and you get 10.5
3: 25% of 136 is 34 so he has 136-34 left, or 102
4: 17.5% of 240 is 42 so there are 198 other colors. Divide by 6 you get 33
5B: 42% of 132 is 55.44 if you subtract you get 76.56
6B: 100%-15%=85% and 85% of 20 is 17
Answer:
is B and E. They both equal 81
Yes this is so because 2is composite, but it is a multiple of 4,6,8,10...
Answer:
Step-by-step explanation:
The formula we need here is
which simplifies to
which simplifies to
36 + 6x = 40 + 5x and
x = 4
So DG = 5 + 4 + 3 which is 12
