The answer to your question is option b because opposite angles in a quadrilateral are equal to one another
Answer: Random sampling
Step-by-step explanation:
- A random sampling technique is a method of sampling in which each member for the sample is chosen randomly from the population.
- Systematic sampling : It is a kind of random sampling in which the members get selected after a fixed interval but a random starting point.
- Convenience sampling : It is a kind of random sampling in which the members get selected on the basis of researchers convenience.
- Stratified sampling : It is a kind of random sampling in which the entire population is divided into a finite number of strata , the researcher select members for sample from each strata.
- Cluster sampling : It is a kind of random sampling in which the entire population is divided into clusters. Then a random sample of cluster is drawn by researcher.
In the given situation , 784 adults are selected after their telephone numbers were randomly generated by a computer.
Therefore , the type of sampling used here is : random sampling
Answer:
<h2>$5.75</h2>
Step-by-step explanation:
Step one:
given data
initial balance= $10
she earned extra $23.50 doing errands
hence her balance will be
=10+23.5
=$33.5
Step two:
Required is her balance
we are told that she bought shoes for $27.75
hence her balance will be
=33.5-27.75
=$5.75
Answer:
8y=8 or 4y=-4
Step-by-step explanation:
1.)-2(x+3y=-1)
2x+2y=6
2.)-2x+6y=2
2x+2y=6
3.)6y=2
2y+6
4.)8y=8 (If adding) or 4y=-4 (If subtracting)
Answer:
36=x^2+5x
x^2+5x-36=0
(x+9)(x-4)
x= 4
x= -9
The Answer can be 4 or -9, see which option you have.
Step-by-step explanation: