Answer:
-0.39 and 3.89
Step-by-step explanation:
By using the quadratic formula it will give you the answers of x= 7 + or - square root of 73 all over 4.
When you do the math of both of the equations it will give you the answers above
Answer:
7/8
Step-by-step explanation:
Use the Pythagorean Identity

Plug in

for cos x.




Answer:
-5
Step-by-step explanation:
Let the number be n
Three times the number: 3n
Subtracted from 2: 2-3n
Twice the number: 2n
Added to 27: 27+2n
2-3n = 27+2n
-25 = 5n
n = -5
Answer:
102 cups
Step-by-step explanation:
314-212=102