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Katen [24]
4 years ago
7

a driver was fined $20.00 plus $4.00 for every mile per hour over the speed limit of 55 mph. is the fine was $76, how fast was t

he driver going
Mathematics
1 answer:
Ksenya-84 [330]4 years ago
3 0
20+4x=76  subtract 20 from both sides

4x=56  divide both sides by 4

x=14

So he was driving at 55+14=69 mph
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The length of side CD is equal to 11 units.

Given coordinates of rectangle are A(-7,-5), B(-7,6),C(-4,6) ,D(-4,-5)

We are require to find the length of side CD.

Rectangle is a two dimensional figure whose two opposite sides are equal to each other. Distance between two coordinates is the equal to length of a side.

We know that the distance means how far two points are located.

Coordinates of  A(-7,-5), B(-7,6),C(-4,6) ,D(-4,-5).

Distance=\sqrt{(x_{2} -x_{1} )^{2} +(y_{2} -y_{1} )^{2} } where (x_{1} ,y_{2} )(x_{2} ,y_{2} ) are the coordinates of two ends of a line.

CD=\sqrt{(-5-6)^{2} +(-4+4)^{2} }

=\sqrt{11^{2}+0^{2}  }

=\sqrt{121}

=11 units.

Hence the length of side CD is 11 units.

Learn more about distance at brainly.com/question/17273444

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Question is wrong as it should be :

Coordinates of rectangle A(-7,-5), B(-7,6),C(-4,6) ,D(-4,-5) and find the length of CD.

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lorasvet [3.4K]

Answer:

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Step-by-step explanation:

The question is incomplete as the volume of the tower was not indicated.

Let's consider the following question:

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