<u>The dependent and independent quality in the given situation:</u>
The given situation is that a long-distance telephone call cost increases with the number of minutes of the call. The two variables are dependent and independent.
The independent variable here in the given situation is the number of minutes of the call since it can be changed as much as we want
The dependent variable is the cost of the long-distance call as it relies on the number of minutes of the call. The cost increases when the number of minutes increases.
Answer:
-2 -5 + 13 = x
Step-by-step explanation:
x would be the product
and i dont know if i got this correct o.O
I tried is all imma say
Let width = w
Let length = l
Let area = A
3w+2l=1200
2l=1200-3w
l=1200-3/2
A=w*l
A=w*(1200-3w)/2
A=600w-(3/2)*w^2
If I set A=0 to find the roots, the maximum will be at wmax=-b/2a which is exactly 1/2 way between the roots-(3/2)*w^2+600w=0
-b=-600
2a=-3
-b/2a=-600/-3
-600/-3=200
w=200
And, since 3w+2l=1200
3*200+2l=1200
2l = 600
l = 300
The dimensions of the largest enclosure willbe when width = 200 ft and length = 300 ft
check answer:
3w+2l=1200
3*200+2*300=1200
600+600=1200
1200=1200
and A=w*l
A=200*300
A=60000 ft2
To see if this is max area change w and l slightly but still make 3w+2l=1200 true, like
w=200.1
l=299.85
A=299.85*200.1
A=59999.985
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Collect like terms
Subtract sides 35
Divide sides by 25
Thus ;
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How you wrote it is kind of confusing but if I'm reading what you're saying right. There are 2028 . <span />
