What is the solution of the equation below?x/6=x-4/2
2 answers:
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<span>In triangle XYZ,
angle X=46 degrees,
XZ = 10 units and
YZ=8 units.
We will find the length of XY using cosine rule:
According to cosine rule:
a² = b² + c² - 2bc cosA (the figure is attached)
Here, A = 46 degree.
a = 8 units.
b <span>= ?
</span>c = 10 units.
</span>⇒ b² = c² - a² -2bc cosA
⇒ b² = 100 - 64 - 160*cos(46)
⇒ b² = 100 - 64 - 160*0.69
⇒ b² = 100 - 64 - 110.4
⇒ b² = 100 - 64 - 110.4
⇒ b² = 74.4
or b = 8.62 units.
or b = 8 untis approximately.
angle X=46 degrees,
XZ = 10 units and
YZ=8 units.
We will find the length of XY using cosine rule:
According to cosine rule:
a² = b² + c² - 2bc cosA (the figure is attached)
Here, A = 46 degree.
a = 8 units.
b <span>= ?
</span>c = 10 units.
</span>⇒ b² = c² - a² -2bc cosA
⇒ b² = 100 - 64 - 160*cos(46)
⇒ b² = 100 - 64 - 160*0.69
⇒ b² = 100 - 64 - 110.4
⇒ b² = 100 - 64 - 110.4
⇒ b² = 74.4
or b = 8.62 units.
or b = 8 untis approximately.
Answer:
$ 2.5
Step-by-step explanation:
Given that
Total Amount to be invested = P = $3400
Total Time of investment = t = 13 years
Rate of interest = r = 1.15 %
Lets calculate Simple interest first
As we know formula for simple interest is
Substituting the values
A = $ 3944.9
Lets now calculate the compound interest
As we know formula for simple interest is
As compound interest applies every 3 months so n =3
So,
A = $ 3947.4
Now Lets calculate how much more he will earn using compound interest.
It can be found by taking difference of compound interest and simple interest
Amount = 3947.4 - 3944.9 = $ 2.5
So Skyler must have earned 2.5 dollar more using the compound interest.