A7=2*5^n-1
2*5^(7-1)
2*5^6
2*15625
31250= a7
It should be 7/2, also you might wanna say please.. :l
Answer:
=−470
Step-by-step explanation:
−20−100−(−100)−150−300
=−120−(−100)−150−300
=−20−150−300
=−170−300
=−470
Answer:
12
Step-by-step explanation:
First, find out how wide his shelf is in inches. 2.25*12=27. So his shelf is 27 inches wide. Then divide that by 2.25 to find the number of encyclopedias will fit.
The answer is 62.5
A good app to use is called desmos