The first one is 0.27, Second one is 0.12, third one is 2 times people live per year, and the last one is 0.02
Answer:
1. Slope is -3
2. 85 meters high
3. y=60x
4. There are no solutions (C)
5. B Lana saves better at 40 dollars weekly while Elena saves 37 per week
Step-by-step explanation:
This is an example of observational study, because the biologist is not interfering or interacting with the subjects of study but just watching and registering data (recording with cameras).
The biologist is not conducting an experiment because (he is not setting up special conditions to register different responses to drive conclusions), and the biologist is not making any survey (questionnaires for example).
Answer: observational study
Answer:
d≈56.01cm
A Area
2464
cm²
Using the formulas
A=πr2
d=2r
Solving ford
d=2A
π=2·2464
π≈56.01127cm
Step-by-step explanation:
90 minutes = 1.5 hour
car will travel 1.5x miles