Answer:
-44
Step-by-step explanation:
3/4 a+24=-9
3/4 a=-9-24
3/4a=-33
multiply by 4
3a=-132
a=-132/3=-44
Answer:
3 30 page printers, 10 70 page printers
Step-by-step explanation:
x + y = 13
40x+70y = 820
Solving for y in first equation gives: y = 13 - x
Plug into second equation: 40x + 70(13 - x) = 820
40x + 910 - 70x = 820
-30 x = -90
x = 3
Plug into original equation: 3 + y = 13
y must = 10.
So, the company owns 3 thirty page presses, and 10 70 page presses,
Answer:
Step-by-step explanation:
f= 7x+16 over x
Answer:
The slope of the line between two points (-1, 2) and (-2, -4) will be:

Step-by-step explanation:
Considering the points




So, the slope of the line between two points (-1, 2) and (-2, -4) will be:

Answer:
12cm is the answer as the two lowest sides must be more in size than its longest side. 10+12=22
Step-by-step explanation: