The ans is C
you have perpendicular angles so 60 is equal to the total of the equation... doing the whole math X= 20
Let
F--------------------> future value
P--------------------> present value
r --------------------> interest rate per year
m ------------------ > number of compounding periods per year
t --------------------> time in years.
we know that
P=$1,600
<span>t=17 years
m=2
r=10%------> 0.10
F=P(1+i)</span><span>^n
</span><span>where
i=r/m ---------> 0.10/2=0.05
and
n=m*t------------> 2*17=34
</span>F=1600*(1+0.05)^34=8405.36
<span>
the answer is $</span>8405.36<span>
</span>
3 (3 + x) = 5x - 25
9 + 3x = 5x - 25
Add 25 to each side
34 + 3x = 5x
Subtract 3x from each side
34 = 2x
Divide each side by 2
17 = x
<span>The complete question includes these choices: A)1 foot B)2 feet C)5 feet D)9 feet The correct answer is B) 2 feet, approx. 24 inches; most standard desks have a height between 28'' to 30''. The answer A is too low, C and D are too much, the perfect answer would be at least 3-4 feet, but as this question proposes only these answers, the nearest estimating value is B)2 feet. </span>
