Answer:
x= 11.25
Step-by-step explanation:
cross multiply 9 by 5 divided by 4 and that would give you x
1. Reduction: 1/2
2. 200 millimeters
3. Glide Reflection
Answer:
x= -13
The value of x is negative
Step-by-step explanation:
Answer:
![A\cap B={2,4}](https://tex.z-dn.net/?f=A%5Ccap%20B%3D%7B2%2C4%7D)
Step-by-step explanation:
Intersection represents the elements present in both sets.
Best Regards!
Answer:
38.11%
Step-by-step explanation:
Given that:
Mean (μ) = 75, standard deviation (σ) = 5
Z score is a measure in statistics to determine the variation of a raw score from the mean. It is given by the equation:
![z=\frac{x-\mu}{\sigma}](https://tex.z-dn.net/?f=z%3D%5Cfrac%7Bx-%5Cmu%7D%7B%5Csigma%7D)
To calculate the percentage of students scored between a 73 and 78 (C grade), we need to find the z score for 73 and then for 78.
For x = 73, the z score is:
![z=\frac{x-\mu}{\sigma}=\frac{73-75}{5} =-0.4](https://tex.z-dn.net/?f=z%3D%5Cfrac%7Bx-%5Cmu%7D%7B%5Csigma%7D%3D%5Cfrac%7B73-75%7D%7B5%7D%20%3D-0.4)
For x = 78, the z score is:
![z=\frac{x-\mu}{\sigma}=\frac{78-75}{5} =0.6](https://tex.z-dn.net/?f=z%3D%5Cfrac%7Bx-%5Cmu%7D%7B%5Csigma%7D%3D%5Cfrac%7B78-75%7D%7B5%7D%20%3D0.6)
From the probability distribution table:
P(73 < x < 78) = P(-0.4 < z < 0.6) = P(z < 0.6) - P(z < -0.4) = 0.7257 - 0.3446 = 0.3811 = 38.11%