If 30% were perfect, 70% were not perfect. So we know that 70% of the total number of photographs is 210.
p(70/100)=210 multiply both sides by 100
70p=21000 divide both sides by 70
p=300
So there are 300 photographs in all.
Answer:
sample space is the range of values of a random variable.
Step-by-step explanation:
NO. Three congruent angles only proves the triangles are similar. You must have at least one side length to prove congruency.
SSS, SAS, ASA, AAS prove triangle congruency.
Answer: C
5*6-2 represents a number that is 5 times the difference of 6 and 2.
Hope it will help you...