Ur 2 angles, when added, form a line....so they are a linear pair that equals 180
5k - 3 + 9 + k = 180
6k + 6 = 180
6k = 180 - 6
6k = 174
k = 174/6
k = 29
If she wants an average of 73 for 3 tests,
she needs a total of 73 x 3 = 219
Total of the first 2 tests = 77 + 75 = 152
Scores needed for her 3rd test = 219 - 152 = 67.
Answer: She needs a score of 67 marks.
1 - 2/3 = 1/3
1+ (-1/3) = 2/3
.45*10^4=4500
^ is the usual symbol for powers
Answer:
Step-by-step explanation:
The relation in the picture is a function
