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muminat
3 years ago
11

PLS HELP ME WITH THESE, thank you!

Mathematics
1 answer:
lys-0071 [83]3 years ago
6 0
1. The domain of Products Manufactured would be counting numbers. The best choice here might be ...
  4) whole numbers

The Cost of Production can have any positive value (not always limited to only 2 decimal places), so its range is likely best described by ...
  2) positive real numbers


2. The independent variable of the described function is "the number of observed vehicles in a specified time interval." If we assume only whole numbers of vehicles are observed, then the best choice for the domain appears to be the open-ended set of non-negative values ...
  4) {0, 1, 2, 3, ...}

Since we don't know what the function C does, except that it produces something called "the rate of traffic through an intersection", we really can't say what its range might be. The choice that allows the most possiblities* is the open-ended set ...
  1) {..., -2, -1, 0, 1, 2, 3, ...}

_____
* you might argue that traffic flow is always positive. I woud say that depends on your reference direction, and that it might be positive for part of the day and negative for another part. The choices here seem to include some of limited range. Whether that applies depends on the details of C(n), which we are not told. I would argue that C(n) might have a range that includes real numbers (limited only by the number of cars that can go through an intersection in a time period of interest--which might be quite large).
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The sum of two numbers is 80 If four times the smaller number is subtracted from the larger number, the result is 10. Find the t
timama [110]
This can be solved using a system of equations. 
\left \{ {{x+y=80} \atop {x-4y=10} \right. 

Subtract y from both sides.
x=80-y
Substitute:
80-y-4y=80-5y=10
Subtract 80 from both sides:
5y=70
Divide both sides by 5:
y= \frac{70}{5} =14
Substitute.
x=80-14=66
3 0
3 years ago
Read 2 more answers
Suppose that the local sales tax rate is 5 %
bazaltina [42]

Answer:

A: Tax paid us $1370

B: Total cost= car cost + taxes

$27,400+ $1370

=$28,770

Step-by-step explanation:

4 0
2 years ago
Highlight EVERY coordinate ratio in the table below in purple
mel-nik [20]

Answer:

Step-by-step explanation:

You already highlighted the term coordinate ratio in purple.

8 0
3 years ago
If f(x) = [xl-5, what is f(8.6)?
Fynjy0 [20]

Answer:

  3 or 4, depending on the intended meaning of [x]

Step-by-step explanation:

Perhaps you mean ...

  \displaystyle f(x)= \lfloor x\rfloor -5\\\\f(8.6)=\lfloor 8.6\rfloor-5=8-5=3

__

On the other hand, perhaps you mean ...

  \displaystyle f(x)=\lceil x\rceil -5\\\\f(8.6)=\lceil 8.6\rceil-5=9-5=4

4 0
3 years ago
an old woman sold 38 roses on street corner A and 45 on strete corner b all at the same price. if she sold $124.50 in total, wha
MissTica

Answer: $1.50 per rose

Step-by-step explanation: You add 38 and 45, because you want to find the total of the roses she sold. 38 + 45 = 83. Then you have to divide the total price by how many roses she sold. So, 124.50 / 83 = 1.5. So, it's $1.50 per rose.

4 0
2 years ago
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