Answer:
Step-by-step explanation:
-3x + 3y = 6.......(1)
y= 4x + 5............(2)
Putting (2) in (1)
-3x + 3(4x + 5) = 6
-3x + 12x + 15 = 6
9x = 6 -15
9x = -9
x = -9/9
x = -1
Putting x in (2)
y= 4x + 5
y = 4(-1) + 5
y = -4 + 5
y = 1
Answer:
D. 3.14159...
Step-by-step explanation:
A repeating decimal Is not a rational number
Answer:
1/8
Step-by-step explanation:
The possibilty of getting tails in one flip is 1/2, and there are three events, so that's 1/2 three times. To find the probability of multiple independent events occurring, you would multiply them together, so in this case you would do: 1/2 * 1/2 * 1/2 which equals 1/8.
(ab)2
((2)(5.1005020625)2=?
((2)(5.1005020625)2=20.402