Answer:
it takes approximately 11 years and 3 months (11.4 years) for Belinda's investments to double.
Step-by-step explanation:
To calculate the time it takes for Belinda's money to double, we will use the simple interest formula as shown below:
Simple interest = P × R × T
where:
P = principal = $800
R = Rate in decimal = 8.75% = 0.0875
T = time = ???
simple interest = $800 ( her money doubles)
∴ 800 = 800 × 0.0875 × t
800 = 70 × t
∴ t = 800 ÷ 70 = 11.4 years. (11 years and 3 months)
Therefore after approximately 11 years and 3 months, Belinda's investments doubles
<h2>
If all interior angles are 162, polygon has 20 sides.</h2>
Explanation:
Questioner has mentioned that a polygon has interior angles of 162 It is assumed from this that all interior angles are 162.
As interior angles are 162, each exterior angle is 180−162=18.
Sum of all the exterior angles of a polygon is always 360 and as each exterior angle is 18,
Number of angles / sides of polygon are 360 / 18 = 20
Step-by-step explanation:
<em>the value of x is 8</em>
8^(2) = 64
the value of y is 11
11^(2) = 121
x - y
= 8 - 11
= -3
<h3>#CMIIW</h3>
9 times 2.75 equals 24.75