He can make 12 or 9 because 9x4=36 and 12x3=36
Answer:
-12 and -5
Step-by-step explanation:
a+b=-17
b-a=7
b=7+a
a+7+a=-17
2a+7=-17
2a=-17-7
2a=-24
a=-12
-12+b=-17
b=-17+12
b=-5
so a and b are -12 and -5 respectively
Answer:
6x<100-15
6x<85
x<85/6
x<14.17
Step-by-step explanation:
Answer:
7
Step-by-step explanation:
7 is a common positive factor if 14 and 21. 2:3
Answer:
36 ft.
Step-by-step explanation:
Use the Pythagoras Theorem.
h^2 = 10^2 + 24^2
h^2 = 676
h = √676
h = 26 ft.
Original height = 10+26 = 36 ft.