Answer:
This would not be an appropriate sampling technique because it is biased and it would not be fair for 60 students to choose a mascot for a school with 800 students.
Step-by-step explanation:
Seeing as there are no answer choices, here are all the answers I would think to make. Quick note, associative property of multiplication states that you can change the parenthesis/order of your multiplication in any order and it will stay true, example: (5)(8)(3)=40*3 and 24*5.
Answers: (32)(40)(x), (32)(40x), (32)(8)(5)(x), (32)(8x)(5), (160)(8x), (160x)(8), (160)(8)(x), (32x)(8)(5), (256x)(5), (256)(5x), (256)(5)(x), (1280)(x), (1280x)
Answer:
About 71% of Earth's surface is covered in water.
Step-by-step explanation:
About 97% of Earth's water is salt water.
About 3% of Earth's water is fresh water.
Answer:
7. A
8. C
9. C
10. A
Step-by-step explanation:
You just have to work each one out. This is very simple.
Answer:
19/21 or .90
Step-by-step explanation:
Common denominator.
Multiply 4/7 by 3 which equals to 12/21
Multiply 1/3 by 7 which equals to 7/21
Add 12/21 and 7/21
Answer: 19/21