Sally deposits 4000 in a certificate of deposit that pays 6.94% simple interest. what is her balance after one year?

4277.6

Step-by-step explanation:

Hello, I can help you with this

Step one

find the profit using a simple rule of three

if

4000 ⇔ 100%

then, how much(x) is 6.94?

x        ⇔ 6.94%

the relation is

the profit is 277.6

hence, her balance after one year is the initial amount plus interest earned

balance= 4000+277.6

balance= 4277.6

I hope it helps, Have a great day

x =-.20752

step-by-step explanation:

4^(x+2)=12

4^(x+2)=12

take the log base 4 on each side

log 4 (4^(x+2) = log 4(12)

we know log b(a^y) = y log b (a)

(x+2) log 4(4) = log 4 (12)

x+2 = log 4 (12)

we know   logb c = loga c/loga b

we want to convert to base 10   so a = 10

by default, we do not write the 10   c = 4   and b = 10

log4 10 = log 12/log 4

log4 10 = log 12/ log 4

x+2 = log 12/ log 4

subtract 2 from each side

x +2 -2 = log 12/ log 4 -2

x = 1.79248125 -2

x =-.20752

answer: 3.26019516

step-by-step explanation: