Using the law of Cosines:
c^2 = 10^2 + 8^2 - 2*10*8*cos(105)
c^2 = 205.41
c = SQRT(205.41)
c = 14.3
The answer is D
Answer:
s= 10 + 2.50w
explanation:
the amount of money in your savings is equal to the initial $10 you had before you started saving 2.50 per week. weak week $2.50 is added to the savings. 2.50w can be seen as 2.50 times the amount of weeks. say you were 3 weeks into saving, you would do 10 + 2.50(3) to find the amount of money you have.
Answer: The pack of 20.
Step-by-step explanation:
It is because a pack of 20 sells for 2.50 for each pencil, and the pack of 12 sells for 2.51 per pencil, so that means the pack of 20 is cheaper.
Answer:
D. =
Step-by-step explanation:
Because 45 and 45 are the same number so they equal the same value
Answer:
1 1/5
Step-by-step explanation: