Complement adds to 90
complement of A is 90-A
supplement is adds to 180
supplemetn of A is 180-A
2(90-A) is -40+180-A
2(90-A)=-40+180-A
2(90-A)=140-A
distribute
180-2A=140-A
add 2A to both sides
180=140+A
minus 140 both sides
40=A
A=40 degres
Answer:
The water is 208.22ft from the tug boat
Step-by-step explanation:
The governing equation is
y is the height above the ocean
x is the distance from the tugboat
if y= 6ft, the equation will now become
we can arrange this properly to form a quadratic equation by grouping like terms.
solving quadratically we have two values of x as 208.22ft and 0.873 ft.
We can take a more realistic value as a solution to our problems:
208.22ft
Answer:
A=49 B=41
Step-by-step explanation:
First, find the angle next to 88 by subtracting it from 180 to get 92.Then add that to 39 to get 131. Then subtract that from 180 to get the missing angle for A.Then add that angle to 90 to solve for the bigger triangle's missing angle, or B. Once you get that value, which is 139, subtract that from 180 to get the value for angle B.
Answer:the 2nd one is 30000 divided by 2000 is 15
Step-by-step explanation: so 15 minutes til they crash the plane
Answer:
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