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Gala2k [10]
2 years ago
15

WHO EVER ANSWERS FIRST GETS BRSINLESTTTT!!!!!!

Mathematics
2 answers:
VLD [36.1K]2 years ago
8 0
4+(-6)/(-2) = 7
5/2+(-3/2)=1
-3/4-5/6 = 1.58
5/8(-3/5) = -3/8
Harman [31]2 years ago
4 0

Answer:

2. 4+(-6) / (-2)= 7

6. 5/2 + (-3/2)= 1

7. -3/4 - 5/6= 19/12

8. 5/8(-3/5)= -3/8

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where p is the price (in dollars) and x is the number of units (in thousands). Find the average price p on the interval 40 ≤ x ≤
marusya05 [52]

THIS IS THE COMPLETE QUESTION BELOW

The demand equation for a product is p=90000/400+3x where p is the price (in dollars) and x is the number of units (in thousands). Find the average price p on the interval 40 ≤ x ≤ 50.

Answer

$168.27

Step by step Explanation

Given p=90000/400+3x

With the limits of 40 to 50

Then we need the integral in the form below to find the average price

1/(g-d)∫ⁿₐf(x)dx

Where n= 40 and a= 50, then if we substitute p and the limits then we integrate

1/(50-40)∫⁵⁰₄₀(90000/400+3x)

1/10∫⁵⁰₄₀(90000/400+3x)

If we perform some factorization we have

90000/(10)(3)∫3dx/(400+3x)

3000[ln400+3x]₄₀⁵⁰

Then let substitute the upper and lower limits we have

3000[ln400+3(50)]-ln[400+3(40]

30000[ln550-ln520]

3000[6.3099×6.254]

3000[0.056]

=168.27

the average price p on the interval 40 ≤ x ≤ 50 is

=$168.27

8 0
3 years ago
What are the solutions to the equation x2 + 4x – 12 = 0?
Alik [6]

Answer:

Step-by-step explanation:

X=2,-6

8 0
2 years ago
Find the value of y.
tia_tia [17]

Answer:

DO it yourself, bud.

Step-by-step explanation:

Just try.

3 0
2 years ago
Find the distance in units between 5/8 and 1/4 on a number line.
almond37 [142]

Answer:

3/8

Step-by-step explanation:

convert 1/4 to 2/8 and then subtract and that would equal the distance. distance of 3/8 hope this helps

4 0
2 years ago
WIL GIVE BRAINLIEST<br> Focus (- 2, - 3) Directrix x = 6
aliina [53]

Answer:

Here's ya answer!

(

y

+

3

)

2

=

−

6

(

x

−

7

2

)

Sorry its upside down, but good luck on that test!

4 0
3 years ago
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