Answer:
The length of DB is 8
Step-by-step explanation:
I know it doesn't look EXACTLY like the one in the diagram but I just followed the measurements provided
The triangle is an obtuse since its greater than 90 degrees but less than 180.
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The equation that can be used to find the coldest temperature recorded in Siberia is y + 10 = -80
Let the coldest temperature in Alaska be x
The coldest temperature recorded in Alaska was –80°F
x = –80°F
Let the coldest temperature in Siberia be y
The coldest temperature recorded in Alaska was 10°F warmer than the coldest temperature recorded in Siberia
This can be interpreted as:
Coldest temperature in Alaska = Coldest temperature in Siberia + 10
x = y + 10................(*)
Since x = -80
Substitute x = -80 into equation (*)
-80 = y + 10
This can be re-written as:
y + 10 = -80
The equation that can be used to find the coldest temperature recorded in Siberia is y + 10 = -80
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Option 3. The value of s (x) depends on the value of x, since s is a function of x