Answer: Divide the first equation, −4x + 8y = 16, by 2
Step-by-step explanation:
Step-by-step explanation:
Given: 2x-6=5x+18
step 2 : the subtraction property of equality
step 4: the addition propert of equality
step 5: the division propert of equality
Answer:
B. Stratified sampling, because there are specific subgroups to investigate.
Step-by-step explanation:
Stratified Sampling is a sampling method and is used when the population has subgroups with different characteristics. Random sampling is applied in each of the sub-groups <em>proportional </em>to their size and then these samples <em>combined </em>together to create sample of the study.
Since there are three towns with people from different occupations ( retirees,business owners, office workers), it is better to use stratified sampling method.
1 step: Place the point of the compass on point M and draw an arc, making sure the width of the compass opening is greater than 1/2MN.
2 step: Place the point of the compass on point N and draw an arc that has the same radius as previous one.
3 step: Connect two points of intersection of drawn arcs. Obtained line will be bisector.
Answer: option D.
