4x - 2y - 3x + 5y = 4x - 3x + 5y - 2y = x + 3y
Answer: I think it is b Im not so sure
Step-by-step explanation:
Btw ,
are you doing khan academy?
1 x^3 = b^9 / 125
x = b^3 / 5
2. x^2 = 1 /2.16
x = sqrt 1/2.16
x = +/- 0.68 to nearest hundredth
Answer:
yes 6 (7) + 2 (3²) = 60
Step-by-step explanation:
60 = 60
Answer:
0.001%
Step-by-step explanation:
Given that a recent study conducted by the state government attempts to determine whether the voting public supports a further increase in cigarette taxes to help the public schools
n = 1500
favour x = 622
Sample proportion p = 

(right tailed test)
Assume H0 to be true.
Std error = 
p difference = -0.2453
Test statistic Z = 
p value <0.00001
Hence fon ull hypothesis not to be rejected significant level should be greater than 0.00001 or 0.001%