Answer:
75 is composite
Step-by-step explanation:
75 is able to be factored into 3*5*5 which is undoubtedly composite. it's only prime if it can't be divided by anything but 1 or itself and is a whole number
Answer:
The sum or product of a non-zero rational number and an irrational number is always 1
Answer:
42°
Step-by-step explanation:
all triangles have 180 degrees, you are given 48. the symbol above 48 tells you it is 90 degrees. ther fore you can use 180- 90 - 48= 42
Answer:
The correct answer is (c) the poll uses voluntary response, so the results tell us little about the population of all adults.
Step-by-step explanation:
You can't conclude (a) because this question hasn't be made to all the Americans.
You can't conclude (b) because the poll doesn't use any convenience for the selection of the sample
You can't conclude (d) because this is not a poll with a premeditated sample, therefore, the size is inconclusive.
You can conclude (c) because the poll was available for anyone who voluntary wanted to answer it.