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2 years ago

Solve the inequality -8x < 32

Mathematics

2 answers:

slava [35]2 years ago

8 0

Step-by-step explanation:

divide the both sides by -8

$x > - 4$

you have to change the sign of inequality because you have divided by negative number

deff fn [24]2 years ago

4 0

Answer:

x>-4

Step-by-step explanation:

-8x<32 - First isolate the x by dividing both sides by -8

-8x/-8<32/-8

x>-4

<h2><u>When you divide or multiply by a negative the inequality sign flips.</u></h2>

<u></u>

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A firm has the marginal-demand function where D(x)=-1400x÷√25-x² is the number of units sold at x dollars per unit. Find the dem

borishaifa [10]

The equation of the demand function is D(x) = 1400√(25-x²) + 11400

<h3>How to determine the demand function?</h3>

From the question, we have the following parameters that can be used in our computation:

Marginal demand function, D'(x) = -1400x÷√25-x²

Also, we have

D = 17000, when the value of x = 3

To start with, we need to integrate the marginal demand function, D'(x)

So, we have the following representation

D(x) = 1400√(25-x²) + C

Recall that

D = 17000 at x = 3

So, we have

17000 = 1400√(25-3²) + C

Evaluate

17000 = 5600 + C

Solve for C

C = 17000 - 5600

So, we have

C = 11400

Substitute C = 11400 in D(x) = 1400√(25-x²) + C

D(x) = 1400√(25-x²) + 11400

Hence, the function is D(x) = 1400√(25-x²) + 11400

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brainly.com/question/24384825

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1 year ago

the Length breadth and height of a room are 5 metre 4 metre and 3 respectively find the cost of whitewashing the walls of the ro

eduard

Answer:

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Step-by-step explanation:

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This is the function f(x)= x2 − 4x + 6 .<br><br><br> What is the axis of symmetry?

kiruha [24]

Answer:

x = 2

Step-by-step explanation:

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3 years ago

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Explanation:

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are:

$\begin{gathered} A=\pi r^2 \\ C=2\pi r \end{gathered}$

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$A=3.14\cdot(9m)^2=3.14\cdot81m^2=254.34m^2$ $C=2\cdot3.14\cdot9m=56.52m$

Answers:

• Area: ,254.34 m²

• Circumference: ,56.52 m

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Arte-miy333 [17]

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3 years ago

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