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3 years ago

Solve the system for the value of x and y

Mathematics

1 answer:

horrorfan [7]3 years ago

3 0

What is the system that you have to solve to find the value of x and y?

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MissTica

47 is the perimeter

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3 years ago

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What expressions are equivalent to -56z + 28

makvit [3.9K]

Answer:

3b+b and 2(2b)

Step-by-step explanation:

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3 years ago

How would I do the steps to solve this?

allsm [11]

Answer:

The maximum revenue is 16000 dollars (at p = 40)

Step-by-step explanation:

One way to find the maximum value is derivatives. The first derivative is used to find where the slope of function will be zero.

Given function is:

$R(p) = -10p^2+800p$

Taking derivative wrt p

$\frac{d}{dp} (R(p) = \frac{d}{dp} (-10p^2+800p)\\R'(p) = -10 \frac{d}{dp} (p^2) +800 \ frac{d}{dp}(p)\\R'(p) = -10 (2p) +800(1)\\R'(p) = -20p+800\\$

Now putting R'(p) = 0

$-20p+800 = 0\\-20p = -800\\\frac{-20p}{-20} = \frac{-800}{-20}\\p = 40$

As p is is positive and the second derivative is -20, the function will have maximum value at p = 40

Putting p=40 in function

$R(40) = -10(40)^2 +800(40)\\= -10(1600) + 32000\\=-16000+32000\\=16000$

The maximum revenue is 16000 dollars (at p = 40)

3 0

2 years ago

If the product of 2 identical numbers is 324,find one of the number

Ilya [14]

let each of the numbers be x :

$x \times x = 324$

${x}^{2} = 324$

$x = \sqrt{324}$

$x = 18$

4 0

3 years ago

Solve |10x + 50| = 0.

ryzh [129]

Answer:

a. x=-5

Step-by-step explanation:

|10x + 50| = 0

10x + 50 = 0

10x=-50

x=-5

really need brainliest!

7 0

3 years ago