What system of linear inequalities is shown in the graph? 35 points

Mathematics

1 answer:

olga2289 [7]3 years ago

3 0

$y < 2x - 3$
$y \geqslant \frac{ - 1}{2}x + 2$

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The profit when selling 'x' pairs of shoes is P(x)=-4x^2+32x-39. How many pairs of shoes should be sold in order to maximize the

julia-pushkina [17]

Answer:

Step-by-step explanation:

The profit for selling <em>x</em> pairs of shoes is given by:

$P(x)=-4x^2+32x-39$

And we want to determine the number of pairs that needs to be sold in order to maximize profit.

Since the function is a quadratic with a negative leading coefficient, the maximum profit will occur at its vertex point. The <em>x-</em>coordinate of the vertex of a quadratic is given by:

$\displaystyle x=-\frac{b}{2a}$

In this case, <em>a</em> = -4, <em>b</em> = 32, and <em>c</em> = -39. Substitute and evaluate:

$\displaystyle x=-\frac{(32)}{2(-4)}=\frac{32}{8}=4$

So, in order to maximize profit, only four pairs of sohoes should be sold.

Our answer is A.

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3 years ago

Multiply or divide as indicated. 2 x • 3 x 2

VikaD [51]

2x (Multiplied by) 6

You cannot combine 2x and 6 because x is an unknown variable that is attached to a coefficient. Hope this helps!

8 0

3 years ago

What is equivalent to12/18

solmaris [256]

<span>2/3 and 24/36 and 6/9
for 2/3 just dvide by 6, 24/36 just multiply both terms by 2 and for 6/9 just divide by 2</span>

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3 years ago

Read 2 more answers

PLEASE HELP!!

FinnZ [79.3K]

D. since if you plug in the Pythagorean therom it comes out true and the Pythagorean therom only works on right triangles. also isosceles have 2 side lengths the same.

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3 years ago

Please help me answer this!!!!

garik1379 [7]

<h3><u>Answer</u><u>:</u></h3>

$7 \frac{1}{2}$