Answer:
3/10 cm²
Step-by-step explanation:
Multiply the two values to find the area.
3/8 · 4/5 = 3/10
Therefore, the area is 3/10 cm².
Answer:
the first one
Step-by-step explanation:
let the no of sweets be 7x, 3x, and 1x
Colin gets 7x
Sara gets 3x
gordon gets 1x
7x = 1x+54 (given)
7x - 1x= 54
6x= 54
x=9
hece sara gets 3x= 3*9
=27
Answer: 7
Step-by-step explanation: :)
Answer:
You need to sum at least 5000 terms
Step-by-step explanation:
Remember what the estimation theorem for alternating series says.
Given a series

An upper bound for the error of the series
is
so

For this case you want

is approximately 5000. So you must sum at least 5000 terms.