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Karo-lina-s [1.5K]
3 years ago
8

P(x)=90-3x 1<x<20 what is the revenue function

Mathematics
1 answer:
marta [7]3 years ago
6 0

Use the price-demand function below, to answer parts (A), (B), and (C).

p(x) = 9- 3x      1< x < 20

(A) what is the revenue function?

r(x)=

what is the domain of the revenue function?

multiple question

a.0,672

b.1,20

c.0,20

d.0,90


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Answer D

x²/25+y²/16=1

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What is the greatest common factor of 60x4y7, 45x5y5, and 75x3y?
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Step-by-step explanation:

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Find m∠DEC (the picture is not drawn to scale).
pochemuha

Answer:

M∠DEC equals 123º.

Step-by-step explanation:

The sum of a triangle's three angles always equal 180º. The exterior angle, x, equals the two non-adjacent interior angles.

180 - {(x - 45)+(x - 12)} = m∠DEC

m∠DEC + x = 180

<u>(x - 45) + (x - 12) = x</u>

Solving for x:

(x - 45) + (x - 12) = x

x - 45 + x - 12 = x                             Remove parenthesis

2x - 57 = x                                       Combine like terms

2x = x + 57                                      Add 57 to both sides

<u>x = 57</u><u>                                             Subtract x from both sides</u>

Finding m∠D:

x - 45 = ?

<u>57 - 45 = </u><u>12º                                          </u>

Finding m∠C:

x - 12 = ?

<u>57 - 12 = </u><u>45º                                           </u>

<em>** </em><em>(Checking x: 12 + 45 = 57) </em><em>**</em>

<em>Finding </em>m∠DEC:

AC is a straight line, and because straight lines are equivalent to 180º, we subtract 57 from 180:

180 - 57 = 123º

Hope this helps,

❤<em>A.W.E.</em><u><em>S.W.A.N.</em></u>❤

8 0
3 years ago
Given the following diagram, what is the value for x?<br> A) 1<br> B) 9<br> C) 18√2<br> D) 18√3
never [62]

Answer:

x=9

Step-by-step explanation:

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