0
You appear to be referring to the fact that if a/b = c/d then ad = bc.
You know this is true because of the axioms of equality (If you do the same thing to both sides of an equation, then equality is maintained).
a/b = c/d
multiply by d
ad/b = c
multiply by b
ad = bc
If you wish to prove a specific proportion is true, you can test it with the equation ad = bc
Still curious? Ask our experts.
Chat with our AI personalities
Maxine
Judy
ViviAdd your answer:
Earn +20 pts
How can you tell if a proportion is false?
Multiply the cross products, and see if they are equal. If they are equal, the proportion is true. If they are unequal, the proportion is false.
What is true about the cross products of a proportion?
They're equal
What is difference between proportion and probability?
Proportion is the probability of a selected sample. probability is the true probability of all cases. If this is not what you are looking for then please specify.
Which statement is true about the population proportion of defective pieces in the 2000 items?
The statement that the proportion of defective pieces is not less than 0 nor greater than 1.
How do you tell a ratio from a proportion?
A ratio is simply a comparison between 2 numbers. Example- 4:3 A proportion is 2 fractions equal to each other or "proportionate".
