Answer:
Step-by-step explanation:
3x-2y=7
3x=7
x=7/3
-2y=7
y=-7/2
so...(7/3,-7/2)
<h3>Given</h3>
Future value of an investment at 4.75% compounded weekly is $25,000
<h3>Find</h3>
The present value of the investment, to the nearest dollar
<h3>Solution</h3>
The multiplier is (1 + .0475/52)^(52·5) ≈ 1.2679375, so the amount required is found from
... 1.2679375×present value = 25,000
... present value = 25,000/1.2679375 ≈ 19,717
$19,717 needs to be placed in the account now.
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When an annual interest rate r is compounded n times per year, the annual multiplier is (1 +r/n)^n. Here, we have n=52 (weeks per year). The multiplier is applied 5 times (raised to the 5th power) to obtain the result of a 5-year investment.
A scalene triangle is a triangle with no sides equal. Consequently, all the angles are not equal as well.
When all the sides are equal, it's called an equilateral triangle.
When two sides are equal, it's called an isosceles triangle.
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