Answer:
8.4 * 10^6
Step-by-step explanation:
8.4 * 10^6
1 million = 1 * 10^6
8 million 4 hundred thousand is 8.4 * 10^4 because this number is 8.4 times bigger than a million.
Answer:
1st question: C
2nd question: Increasing (the slope)
3rd question: don't understand what's being asked
Step-by-step explanation:
Answer:
12
Step-by-step explanation:
If there are 3 classrooms that each have 25 desks and there are a total of 87 students, how many more desks need to be added to a 4th classroom, that was originally empty, so that each of the students has a desk to sit in?
25 * 3 = 75
87 - 75 = 12
Answer:
27 purple marbles
Step-by-step explanation:
- purple marbles- p
- blue marbles- b
Equations based on the given:
p= 2b +5 and p+b= 38
- 2b+5+b= 38 ⇒ 3b+5= 38 ⇒ 3b= 33 ⇒ b= 11
