It's annuity problem
To solve your question use the formula of the present value of annuity ordinary which is
Pv=pmt [(1-(1+r)^(-n))÷r]
Pv present value?
PMT yearly payments 18000
R interest rate 0.09
N time 20 years
So
Pv=18,000×((1−(1+0.09)^(−20))÷(0.09))
pv=164,313.82
Answer:
1. 1/2 +/-√5
2. 1 +/- i √6/2.
Step-by-step explanation:
1. f(x) = 4x^2 - 8x - 1
x = [-(-8) +/-√((-8)^2 - 4*4*-1)] / (2*4)
x =[ 8 +/- √80] / 8
= 1 +/- 4√5/8
= 1 +/- √5/2
= 1/2 +/-√5
2. By a similar method the zeros of the the second equation are:
x = [-(-4) +/- √((-4)^2 - 4*2*5)] / 4
= 4 +/- √(16 - 40) / 4
= 1 +/- √(-24)/4
= 1 +/- i √6 * 2 / 4
= 1 +/- i √6/2.
You can easily take 8*10, since that equals 80, then add +2. Put parentheses around 8*10+2, then multiply that by 3. You should arrive at your answer
Answer:
82.799...°
Step-by-step explanation:
First, we have to identify how many votes equals 1°
Therfore we divide 4700 by 360° because there are a total of 4700 votes and there are 360° in a circle.
(4700/360) = 13.055...
1° = approximately 13 votes
Secondly, let's look at how many votes Watkins received.
1081 votes
Lastly, since 1° equals 13.055... votes,
then if we divide the number of total votes Watkins got by 13.055 we will find the value of the central angle for the Watkins slice.
1081 ÷ 13.055... = 82.7999..