Find the missing side. Round your answer to the nearest tenth.
1 answer:
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Answer:
x = 78
Step-by-step explanation:
We can find angle y
D + B + y = 180 since the sum of the angles of a triangle are 180
31+47+ y =180
78+y = 180
y = 180 - 78
y = 102
x+y = 180 since they form a straight line
x + 102 = 180
x = 180-102
x = 78
Answer:
Temperature at midnight is °F.
Step-by-step explanation:
Given: The temperature at noon was °F. By midnight, the temperature has decreased by
degrees.
To find: The temperature at midnight.
Solution:
The temperature at noon was °F.
Now, by midnight, temperature has decreased by degrees.
So, first we need to convert the temperature in °F.
We know that, , where F is temperature in Fahrenheit and C is temperature in Celsius.
So,
So, by midnight, temperature has decreased °F
Therefore, temperature at midnight is °F
Hence, temperature at midnight is °F.
