Answer:
Step-by-step explanation:
A Descent rate,
B 10725ft,
C 25min
Answer:
c > 9
Step-by-step explanation:
2c/3 + 1 > 7
subtract 1 from both sides
2c/3 > 6
multiply both sides by 3
2c > 18
divide both sides by 2
c > 9
13) B. 8.47,8.67,8.7
14) A
Just ask for explanation if u need it
Hope that helped :)
4 legged tables : x
3 legged stools : y
x + y = 20 y= 20 - x
4x + 3y = 68
Replace y by 20 - x so we only have one letter
4x + 3(20 - x) =68
4x + 60 - 3x =68
x + 60 = 68
x = 8
To find y replace x by 8
y = 20 - 8
y = 12
So you have 8 four legged chairs and 12 three legged stools.
Hope I helped!
Step-by-step explanation:
Average mean = (q1 + q2 + q3)/3.
