Answer:
Step-by-step explanation:
(6y-5)+(10y-41)+(12x+22)=180
16y+12x-24=180
16y+12x=204
y=12.75
x=17
Y = 3X .............................
Answer:
84
Step-by-step explanation:
Pretend her first 3 quizzes were all 83 since that was the average. So the 4th was 87.
83+83+83+87 = 336
Divide by the total number of quizzes because they are equally weighted.
336/4 = 84
Her new average score is 84.
Using the pythagras theorem :
Length of rope = sqrt (6^2 - 5^2) sqrt 11 = 3.32 feet to nearest hundredth.
Answer:
yup heyy hru
Step-by-step explanation:
