Answer:
b
Step-by-step explanation:
Let x be cost notebook and y be cost of index card
According to first condition
3x+4y=32
According to second comdition
5x+5y=32+15
Solve the two equations
Answer:
55°
Step-by-step explanation:
The second part = 1
the second part could be written sin²x.(1/sin²x), since cscx =1/sinx
hence 1 = 1
Answer:
116370.197$
Step-by-step explanation:
Jimmie invested $13,000 at 5.23% compounded monthly.
Jimmie's account balance (B) after 42 years:
B = principal x (1 + rate)^time
= 13000 x (1 + (5.23/100)/12)^(42 x 12)
= 116370.197$