Twivo2353
05.10.2020 •
Mathematics
Keisa borrowed $400 at a simple interest rate of 3% per year. How much interest will she owe in 18 months?
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Ответ:
simple interest calculator, simple interest formula, what is simple interest, ... financing will cost you or how much you can earn on an investment. ... Annual Interest Rate ... you must repay not only the amount you borrowed – the principal ... Calculate simple interest (I) by multiplying the principal (p) by the rate
Step-by-step explanation:
Ответ:
$18
Step-by-step explanation:
convert 18 months to year(s) and use the simple interest formula
interest=principalxratextime
100
Ответ:
Step-by-step explanation:
Given sin 30° = 1/2, to check which of the statements is correct we will apply the Pythagoras theorem to a right angled triangle shown in the attachment.
using the SOH CAH TOA trig identity on the right angled triangle, ACD gotten from the equilateral triangle ABC;
From ΔACD, AD is the hypotenuse, DC is the opposite side to the angle 30° and AC is the adjacent.
From the diagram, sin30° = opp/hyp = DC/AD
sin30° = 1/2
Taking consideration of the acute angle 60°, the opposite side to the angle will be AC and the adjacent side will be CD.
According to CAH, cos 60° = adj/hyp = CD/AD
Given CD = 1 and AD = 2
cos60° = 1/2
This shows that sin30° = cos60° = 1/2
Note that ∠CDA and ∠DAC are angles complementary. Complementary angles are angles which have its sum to be 90°