Answer:
54
Step-by-step explanation:
Answer:
C. x = 5, y = 2
Step-by-step explanation:
Simply plug in each given term in the answer choices, evaluate, then find out which two will make the system of equations authentic, or genuine.
Answer:
B
Step-by-step explanation:
cosine function, cos(ax) gets it period reduced by a factor of a, period is 2*pi/(4)=pi/2
Answer:
A) 5x-7y=42
Step-by-step explanation:
We know that 5 x 7 = 35 then add 7 = 42
We divide 5 and 7 by 5/7
5/ 5/7 = 0.1
7/ 5/7 = 0.2
We find 0.1 = 1/10 and we know that 1/10 of 35 is 3.5
We find 0.2 = 2/10 and we know that 2/10 of 35 is 7 so the answer 7 matches.
We then use 7 for y and keep 5 for x.
To find, the length, divide the area by the width:
Length = 20 / 4 = 5 meters.