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kailahgranger
01.10.2019 •
Mathematics
Given that abc=def,ac=21x-19 and df=3x+17, find the measure of ac? a.2 b.9 c.21 d.23
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Ответ:
21x - 19 = 3x + 17
21x-3x=17+19
18x=36
X=2
Ответ:
C(t)=3000(1.002417)^12t+960t
if T=1 year then the saving will be : 4048.17
Step-by-step explanation:
3000 deposit amount, 2.9 compound monthly interest . save 80 dollars per month at home .
A=p(1+r)^t
A=3000(1+0.029/12)^12t
A=3000(1.002417)^12t dollars
for the amount saved at home=80*12t=960t dollars
C(t)=3000(1.002417)^12t+960t
if T=1 year then the saving will be :
C(t)=3000(1.002417)^12t+960t
=3088.17+960= 4048.17 dollars