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Mkey [24]
3 years ago
12

The revenue from selling x shirts is r(x)=12x.

Mathematics
1 answer:
kenny6666 [7]3 years ago
4 0

Answer:

p(x) = 7x - 20

Step-by-step explanation:

A company makes a profit selling goods when the revenue taken in from the sales is greater than the cost of those goods:  p(x) = r(x) - c(x) > 0.

In this case the revenue function is r(x) = 12x; the cost function is c(x) = 5x + 20, and the profit function is p(x) = 12x - (5x + 20), or:

p(x) = 12x - 5x - 20, or

p(x) = 7x - 20

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tangare [24]
<2= 30 degrees since its vertical to the 4th angle.
<1=150 degrees
<3=150 degrees

since angle 3 and the 4th angle are supplementary, which means both angles equal 180 degrees, angle 3 equals 150 degrees.

since angle 3 is vertical to angle 1 it's also 150 degrees since they're congruent.
4 0
3 years ago
If f(x)=81, what is x?
Allushta [10]

Answer:

There's not enough information...

7 0
2 years ago
Each time you add the interior angles of a triangle, the sum is always 180 degrees. Therefore, you conclude that the sum of the
levacccp [35]

Answer:

This explains triangle sum theorem

Step-by-step explanation:

Which States that the sum of interior Anglea of a triaiare always 180°

3 0
3 years ago
If a gardener make $60 a day working and has to pay $15 for each day that he does not show up and he only works a total of 20 da
nydimaria [60]

Answer:

14 days

Step-by-step explanation:

Amount earned by gardener for each day worked = $60

Amount paid by gardener for each day when absent = $15

Total number of days = 20

Let the total number of days when the gardener was working = x

Then he was absent for (20 - x) days.

Total amount earned during this period = $750

Then, \[60x - 15(20-x) = 750\]&#10;

=> \[60x + 15x - 300 = 750\]

=> \[75x = 1050\]

=> x = 14

So the gardener worked for 14 days out of 20.

8 0
3 years ago
Let x be the amount of time (in minutes) that a particular San Francisco commuter must wait for a BART train. Suppose that the d
babymother [125]

Answer:

a) P (x is less than 11 minutes) =  0.55

P (x is more than 14 minutes) = 0.3

b) P (x is between 8 and 13 minutes) = 0.25

c)  P(x < c) =0.8 is 0.05 x c = 0.8

Step-by-step explanation:

a) P (x is less than 11 minutes) = 11 x 0.05

                                                 = 0.55

P (x is more than 14 minutes) = 0.05 x (20 - 14)

                                                = 0.05 x 6

                                                = 0.3

b) P (x is between 8 and 13 minutes) = 0.05 x (13 -8)

                                                            = 0.05 x 5

                                                             = 0.25

c)  P(x < c) =0.8

The area between 0 and c is 0.8

Hence,

0.05 x c = 0.8

3 0
2 years ago
Read 2 more answers
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