Answer is square root of 39
13/15-1/4
=52/60-15/60
=52-15
______
60
=37/60
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Answer:
2 3 5 7 11 13 17 19 23 27
Step-by-step explanation:
12 I think
compound interest equation for annually compounded

A=final amount
P=principal
r=rate in decimal
t=time in years
given that
A=1550
P=1000
r=5.5%=0.055
find t

divide both sides by 1000

take ln of both sides

use ln rule 

divide both sides by ln(1.055)

using a calculator, we get that t=8.18544 yrs
so about 8.2yrs
Answer:
the answer is 672
Step-by-step explanation:
420 × 60% = 252
420 + 252=672
625 is the total number of learners