Answer:
Step-by-step explanation:
hello :
cot x + 2cot x sin x = 0 0≤ x≤ 180
cotx(1+2sinx) =0 means : cotx=0 or 1+2sinx=0
1) cotx=0 so : cosx=0 and sinx ≠ 0 because cotx = cosx/sinx
when : 0≤ x≤ 180 : x=90°
2) 1+2sinx=0 means : sinx = -1/2
when : 0≤ x≤ 180 : no solutions because : sinx ≥ 0
conclusion : one solution : x=90°
Answer:
300,000 
is bigger
Step-by-step explanation:
10 x 40 = 400
18 x 40 = 720
400 x 720 = 288,000 (area of the bedroom)
300,000 is bigger by 12,000 (so the kitchen is bigger)
The number is 5 and the factor is 1
Horizontal means X axiz. so 6 units on the x axis. The points are always placed (x,y) which is A. (1,6) and (7,6)
Answer: 233.19
Step-by-step explanation:
equation to find volume: width x length x height
the left box:
(14-7) x 3.25 x 3.25= 73.9375 (round after adding)
the right box:
7 x 3.25 x 7= 159.25
73.9375 + 159.25= 233.1875
Round to nearest hundredth: 233.19
