-7x+y=23
6x+7y=-4
y=7x+23
6x+7(7x+23)=-4
6x+49x+161=-4
55x+161-161=-4-161
55x/55=-165/55
x=-3
-7(-3)+y=23
21+y-21=23-21
y=2
Answer:
Distance = 110.5 cm
Step-by-step explanation:
It is given that,
The basement floor is at an elevation of −10.5 feet
The second story floor has an elevation of 121 feet.
We need to find the distance between the basement floor and the second story floor.
Distance = -10.5 + 121
= 110.5 feet
So, the distance between the basement floor and the second story floor is 110.5 cm.
Answer:
540 miles
Step-by-step explanation:
60 times 9
The answer is 33 cm^3
Square Volume: 3*3*3= 27 cm^3
Pyramid: 1/3 * 2 * 3^2 = 6 cm^3
27+6= 33 cm^3
X=-39 answer
2/5x=-12
2x=-12(5)
2x=-60
X=-30
