The probability is about 85.29%.
To do this, you need to first find the z-score on each end of the interval. Then, you can subtract the percents to find the percent in the middle.
Lower:
(1000 - 1252) / 129 = -1.18 which gives a probability of 11.9%
Upper:
(1500 - 1252) / 129 = 1.92 which gives a probability of 97.19%
97.19 - 11.9 = 85.29
Answer:
A
Step-by-step explanation:
Let’s see! Substituting 3 for x and -1 for y:
(3 + 1)^2 + (-1 - 1)^2 = 16
4^2 + (-2)^2 = 16
16 + 4 = 16
20 = 16
20 is clearly not equal to 16, so we know the point (3, -1) can’t lie on that circle.
Answer:
<h2>
64/27</h2>
Step-by-step explanation:
If x and y be real numbers satisfying 2/x=y/3=x/y, then any two of the equation are equated as shown;
2/x = y/3 ... 1 and;
y/3 = x/y... 2
From equation 1, 2y = 3x ... 3
and from equation 2; y² = 3x ... 4
Equating the left hand side of equation 3 and 4 since their right hand sides are equal, we will have;
2y = y²
2 = y
y = 2
Substituting y = 2 into equation 3 to get the value of x;
2y = 3x
2(2) = 3x
4 = 3x
x = 4/3
The value of x³ will be expressed as (4/3)³ = 4*4*4/3*3*3 = 64/27
Answer:
no solution
Step-by-step explanation:
-5x + x + 9 = -4x + 12 [combine like terms]
-4x + 9 = -4x +12 add 4x to both sides]
9=12 is no solution