An deposited $100 in a savings account that offers a 5% interest rate. How much interest will he eam after 1

2 answers:

7 0

The answer would be a think about it like this 10 percent of 100 is obviously 10 so just cut that in half and it would be five

katen-ka-za [31]4 years ago

6 0

Answer is A. $5 if it is just the interest itself!
Equation: I=P • r • t
P is the principle amount aka $100
r is the rate aka %5 or .05
t is the time in years aka 1

So to get the simple interest, use this equation: P=100•0.05•1
Which then equals your answer, $5!

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faltersainse [42]

Cosine is a trigonometric function. The value of cos(x+π), when the value of cos(x)=-(√3)/2 is √3/2. The correct option is A.

<h3>What is a cosine?</h3>

Cosine is the trigonometric function equal to the ratio of the side next to an acute angle to the hypotenuse in a right-angled triangle.

Given the value of cos(x)=-(√3)/2, therefore, the value of x can be written as,

cos(x) = -(√3)/2

(x) = cos⁻¹ [-(√3)/2]

x = 5π/6 = 150°

Now, the value of cos(x+π) will be,

cos(x+π)