Answer:
A. (-2,1)
Step-by-step explanation:
The blue point on the graph represent the coordinates where the two lines intersect or meet, and that means it is the solution of the equation.
Hope this helps :)
Answer:
Sampling Error
Step-by-step explanation:
When the researcher randomly selected 200 people, he is creating an sample or subset from the population, that would be all the people in the earth. The error obtained was product of the fact that the analysis he made was estimated from the sample and not the whole population. There is no other mentioned factor that could cause an error, so the answer would be a sampling Error.
Answer:
For 3 quarters, the probability that all 3 quarters will land heads up is ;
P = 1/2 × 1/2 × 1/2 = 1/8
P = 1/8
Step-by-step explanation:
The probability that one quarter will land heads up is 1/2.
For 3 quarters, the probability that all 3 quarters will land heads up is ;
P = 1/2 × 1/2 × 1/2 = 1/8
P = 1/8
Answer: Ratio of Parts
<u>Step-by-step explanation:</u>
The ratios are equal so the triangles are similar.
