The tens digit of a 2 digit number is twice the units digit. The sum of the digits is 12. Find the original number.
1 answer:
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- BCD is an isosceles right triangle , right angled at D
- ABC is an equilateral triangle
- ∠ ACD
❒ Sum of all angles is 180° , since it is an equilateral triangle all the three angles would be same
(Isosceles triangle)
Answer:
Z = 3
Step-by-step explanation:
In a normal distribution, the Z score that corresponds with a data point x is calculated using the formula;
For the case given, the z score will be;