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3 years ago

Use the given information to answer the question.

Mathematics

1 answer:

iragen [17]3 years ago

5 0

Answer:

Step-by-step explanation:

Comparing Point P and P' by getting any coordinate.

we will take x coordinate

P has x-coordinate 2 while P' has x-coordinate 8

To find the scale factor, we will divide them

=8/2 gives 4 so the scale factor is 4 this means that rectangle PQRS is dilated 4 times of its perimeter.

So,

Perimeter of P'Q'R'S'= 16 × 6 = 64

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The cost C (in dollars) of producing x DVD players is represented by C = 4.5x2. How many DVD players are produced if the cost is

lisabon 2012 [21]

Given the following equation representing the cost of producing DVD Players:

$\text{ C = 4.5x}^2$

Let's determine the number of DVD players produced if the cost is $544.50

$\text{ C = 4.5x}^2$ $\text{ \$544.50 = 4.5x}^2$ $\text{ }\frac{\text{\$544.50}}{\text{ 4.5}}\text{ = }\frac{\text{4.5x}^2}{\text{ 4.5}}$ $\text{ 121 = x}^2$ $\text{ }\sqrt{\text{121}}\text{ = }\sqrt{\text{x}^2}$ $\text{ 11 = x}$

Therefore, it'll cost $544.50 to produce 11 DVD Players.

The answer is 11.

3 0

1 year ago

Given the measure of three angles in a quadrilateral, find the measure of the fourth angle.1. 40 degree , 120 degree , 100 degre

Veronika [31]

Recall that the interior angles of a quadrilateral add up to 360 degrees.

1) Let x be the measure of the missing angle, then we can set the following equation:

$40^{\circ}+120^{\circ}+100^{\circ}+x=360^{\circ}.$

Solving for x we get:

$\begin{gathered} 260^{\circ}+x=360^{\circ}, \\ x=100^{\circ}\text{.} \end{gathered}$

2) Let y be the measure of the missing angle, then we can set the following equation:

$73^{\circ}+107^{\circ}+122^{\circ}+y=360^{\circ}\text{.}$

Solving for y we get:

$\begin{gathered} 302^{\circ}+y=360^{\circ}, \\ y=58^{\circ}\text{.} \end{gathered}$

Answer:

1) 100 degrees.

2) 58 degrees.

7 0

1 year ago

I need help on this really bad i don't know how to do it.

Roman55 [17]

Answer:

x= positive 5 y= negative 5

Step-by-step explanation:

i know this because that is were the line is crossing have a nice day :))

8 0

3 years ago

Read 2 more answers

Find the vale of x need help

babunello [35]

Answer:

x=45 degrees

Step-by-step explanation:

You can see based off of the markings on the 2 sides, that it is an isosceles triangle, so that means the 2 base angles are equal.

so 2x+90=180 degrees

so 2x=90 degrees

x=45

4 0

3 years ago

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How many 1/4 inch pieces are in 3 ft of fishing line

Tanzania [10]

3 feet is 36 inches.
36 x 4 is 144.
There are 144 1/4 inch pieces in 3ft of fishing line.

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3 years ago