Answer:
Its the second option. 742.5
0.27 is the answer, hope it helps
Answer:
angle 1 = 20; angle 2 = 160
Step-by-step explanation:
(x-12) + 5x = 180
6x-12 = 180 (add 12 to each side)
6x = 192 (divide each side by 6 to get x by itself)
x = 32
plug x into each equation
angle 1: 32-12=20; 20
angle 2: 32x5= 160; 160
Answer:
x=4
Step-by-step explanation:
sqrt(x+5) = sqrt(x)+1
Square each side
(sqrt(x+5))^2 = (sqrt(x)+1)^2
x+5 = (sqrt(x)+1)^2
Foil
x+5 = (sqrt(x)) ^2 + sqrt(x) + sqrt(x) + 1
x+5 = x + 2 sqrt(x) + 1
Subtract x from each side
5 = 2 sqrt(x) + 1
Subtract 1 from each sdie
4 = 2 sqrt(x)
Square each side
4^2 = (2 sqrt(x))^2
16 = 4 x
Divide by 4
16/4 = 4x/4
4 =x
Check to see if it is extraneous
sqrt(4+5) = sqrt(4)+1
sqrt(9) = sqrt(4) +1
3 = 2+1
3=3
It is a valid solution
The Explorer 200 feet and at 25 feet per minute he would be at 450ft below sea level.
