Alisha has a $15,000 car loan with a 6 percent interest rate that is compounded annually. How much will she have paid at the end
2 answers:
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Answer:
15.6 ft
Step-by-step explanation:
Since the sails are similar then the ratios of corresponding sides are equal.
Comparing the shortest sides, that is
10 : 6 = 5 : 3
let the longest side be x, then using proportion
=
( cross- multiply )
5x = 78 ( divide both sides by 5 )
x = 15.6
The longest side is 15.6 ft
Addd 4 to both sides
sqare both sides
x+9=25
minus 9 both sides
x=16
plug it in for x and see
1=1
true
not extraneous
an extraneous root would be x=-34
sqare both sides
x+9=25
minus 9 both sides
x=16
plug it in for x and see
1=1
true
not extraneous
an extraneous root would be x=-34
Answer:
After 88 seconds, they will blink together.
Step-by-step explanation:
Time after which the first light blinks = 8 seconds
Time after which the second light blinks = 22 seconds
Initially, both the lights blink together.
To find:
The time at which they will blink together again.
Solution:
Let us have a look at the time after which each light will blink.
First light will blink after:
8 s, 16 s, 24 s, 32 s, 40 s, 48 s, 56 s, 64 s, 72 s, 80 s, <em>88 s</em>, 96 s, 104 s, ......
Second light will blink after:
22 s, 44 s, 66 s, <em>88 s</em>, 110 s, .....
It can be seen that common time is 88 second, at which the both will blink together.
So, the answer is <em>88 s.</em>
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This answer can also be computed by taking the LCM (Least Common Multiple) of both the numbers i.e. 8 and 22.
Using the factorization method:
Common is 2.
Therefore the LCM will be:
So, the answer is <em>88 s.</em>