Answer:
12
Step-by-step explanation:
The given statement is,"9 is subtract from the product of 7 and 3".
The product of 7 and 3 means, we need to multiply 7 and 3. So,
7 × 3 = 21
9 is subtract from the product of 7 and 3 means, 21 - 9 = 12.
Hence, the value of 9 is subtract from the product of 7 and 3 is 12.
Answer:
D. It is the method that is most likely to give a true representative sample.
Step-by-step explanation:
The advantage of selecting a random sample is that is without bias, so being a true representative sample.
For example, if you want to estimate the proportion of the population of a certain city that is going to vote for a candidate in the elections, you must select at a place where different people passes, not one uniform place like a school, just a simple example.
So the correct answer is:
D. It is the method that is most likely to give a true representative sample.
Answer:
x = 50°
2x = 100°
Step-by-step explanation:
Chords AB and DC are equidistant (3 units) from the center E of the circle.
Since, the chords equidistant from the center of the circle are congruent.
Congruent chords intercepts congruent arcs.
Hence, x = 50°
2x = 2*50° = 100°
