Answer:
65%
Step-by-step explanation:
Given data
Original price= 180AED
Selling price= 63AED
Required
% decrease
The expression for the decrease
% decrease= (original-selling)/original *100
subsitute
% decrease= (180-63)/180 *100
% decrease= 117/180 *100
% decrease=0.65 *100
% decrease=65%
Hence the percent decrease is 65%
Answer:
1 I think would be because they have the same tension of 5.0 and that their wavelengths are quite similar
#2 they increase as the tension goes up
#3 The speed would be up because that's what happened in all the other experiment of the waves
1x - 1y = 8
<u>1x + 2y = 2</u>
<u>-3y</u> = <u>6</u>
-3 -3
y = -2
x - (-2) = 8
x + 2 = 8
<u> - 2 - 2</u>
x = 6
(x, y) = (6, -2)
Answer:
41.14
Step-by-step explanation:
