B. 19.8
Use the Pythagorean theorem:
14.2^ + x^ = 24.4^
201.64 + x^ = 595.36
x^ = 393.72
x = 19.84
Answer: 10 4/5
Convert the mixed numbers to improper fractions
Use the algebraic formula for addition of fractions:
a/b + c/d = (ad + bc) / bd
Reduce fractions and simplify if possible
Answer:
postive 6
Step-by-step explanation:cause negative plus a negative equals a postive
-18 is 18 below the zero on a number line and 104 is 104 above the 0 on the number line. If you go from -18 toward the zero and continue to 104 it will give you 122 degrees. another way is to add 104 and 18. Hope that helps