Answer:
cos 90°
Step-by-step explanation:
(cos 60°)(cos 30°) − (sin 60°)(sin 30°)
= cos ( 60° + 30°)
= cos 90°
Answer:
False
Step-by-step explanation:
It is not proportional because the distance does increase with the same amount with time.
if Proportional , this would be the tabel
Time distance
1 4
2 5.5
3 7
4 8.5
5 10
Answer:
44 is the value of y
2 is the value of x
length of BC is 4
56 is DAB
Step-by-step explanation:
It would be 30.7% because when you change a decimal to a percent, the decimal point moves 2 places to the right. For a percent to a decimal, move the decimal point 2 places to the left
Answer:
25/56
Step-by-step explanation:
Prob of white = 3/8
Probability of not white = 1 - 3/8
= 5/8
Second pick without replacement
Probability of white = 2/7
Probability of not white = 1 - 2/7
= 5/7
Total probability = 5/8 x 5/7
= 25/56
