Answer:
56
Step-by-step explanation:
z varies jointly with x and y:
z = kxy
When x = 2 and y = 2, z = 7.
7 = k(2)(2)
k = 7/4
z = 7/4 xy
When x = 4 and y = 8:
z = 7/4 (4)(8)
z = 56
Answer:
the domain in general is negative Infinity, infinity.
Step-by-step explanation:
Infinity means it is a straight line that goes on forever it never stops. graph the -6 and 1. I am not totally sure what domain restrictions are if you have an equation for it go a head and put it there and I can help you more.
Answer:
<h2>c > 21</h2>
Step-by-step explanation:
![-\dfrac{1}{3}c7\qquad\text{multiply both sides by 3}\\\\c>21](https://tex.z-dn.net/?f=-%5Cdfrac%7B1%7D%7B3%7Dc%3C-7%5Cqquad%5Ctext%7Bchange%20the%20signs%7D%5C%5C%5C%5C%5Cdfrac%7B1%7D%7B3%7Dc%3E7%5Cqquad%5Ctext%7Bmultiply%20both%20sides%20by%203%7D%5C%5C%5C%5Cc%3E21)
The answer is: g= 6y+8-9/y
Step-by-step explanation:
i.1+y<25
y<25-1
y<24
ii.101+6y>200
6y>200−101
6y>99
y>99/6
y>33/2