Answer:
C
Step-by-step explanation:
cot =cos/sin =a/b
cos=a/b*sin
(sin-cos)/(sin+cos) =(sin-sin*a/b)(sin+sin*a/b)
=(1-a/b)/(a+a/b)
=(b-a)/(a+b)
Log_10 100 is the same as 10 to the x power is 100
10^x=100
10^2=100
the answer is 2
Answer:
d y=4x + 5
Step-by-step explanation:
Is parallel beacause they have the same slope, remember
y=ax + c
where a is the slope of the line
Answer:
it would take seven and a half hours
Step-by-step explanation:
450 ÷60 =7.5
Answer:
4000
Step-by-step explanation: