Answer:
x = -6
Step-by-step explanation:
y = -x equation 1
x + 6y = 30 equation 2
using equation 1 in equation 2 we have:
x + 6(-x) = 30
x - 6x =30
-5x = 30
x= -30/5
x= -6
Just move the decimal place to the left for each 0 in your number.
The answer is 5.87
The second one! I took this recently :)
Answer:
Step-by-step explanation:
Arc(AB) = 102 degrees
Arc(ADB) = 360 - 102 = 258
Answer:
the rate percent per annum at which birr 142 will earn birr 59.65 in 12 years is → 3.5%