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expeople1 [14]
3 years ago
12

Which of the following is the correct equation for the distance formula for the points (x1, y1) and (x2,y2)?

Mathematics
1 answer:
svp [43]3 years ago
4 0

Answer:

  A. D=sqrt( (x2-x1)^2+(y2-y1)^2 )

Step-by-step explanation:

The distance between two points is the root of the sum of the squares of the differences in their corresponding coordinates. The equation of choice A is the usual formulation.

__

<em>Comment on answer choices</em>

Because the square of a number is the same as the square of its opposite, the formula in choice D is also correct.

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Look at the set of quadrilaterals in the coordinate plane shown below.
morpeh [17]

The true statement about the set of quadrilaterals in the coordinate plane is B. Because quadrilateral ABCD can be reflected across the x -axis, then rotated 90° counterclockwise about the origin, and then dilated about the origin by a scale factor of 2 to obtain quadrilateral A'B'C'D' , then quadrilateral ABCD is similar to quadrilateral A'B'C'D'.

<h3>What is a quadrilateral?</h3>

A quadrilateral is a polygon having four sides, four angles, and four vertices.

In this case, because quadrilateral ABCD can be reflected across the x -axis, then rotated 90° counterclockwise about the origin, and then dilated about the origin by a scale factor of 2 to obtain quadrilateral A'B'C'D' , then quadrilateral ABCD is similar to quadrilateral A'B'C'D'.

Learn more about quadrilateral on:

brainly.com/question/23935806

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3 0
2 years ago
Jack is packing snacks for him and his three brothers. He bought 10 1/2 ounces of pretzels. He wants to put the pretzels into ba
Llana [10]

Answer:

3.5

Step-by-step explanation:

total pretzel=10 1/2 or10.5

no. of brother = 3

now,

10.5 pretzel for each borther= 10.5/3

=3.5 <u>ans</u>

3 0
3 years ago
Q(9,10) . R(-5,2) . S(-8,-2) . T (-1,2) . Parallel or Perpendicular
SVEN [57.7K]

Answer:

Perpendicular

Step-by-step explanation:

Put all the points on a graph.

Parallel means that the lines that have the same slope and different y-intercepts. Lines that are parallel to each other will never intersect.

On the graph we made we can see that the lines will have to intersect because the points are in positions that no matter which points we chose to connect together, they would intersect with the other line.

7 0
3 years ago
Condense and simplify, if possible: 2 In 3 + 3 ln x – 2 In y
elixir [45]

Answer:

Step-by-step explanation:

4 0
3 years ago
The quadrilaterals ABCD and PQRS are similar. Find the length X of SP.
BaLLatris [955]

Answer:

x = 3.6

Step-by-step explanation:

Since Quadrilateral ABCD ~ PQRS, therefore:

\frac{AB}{PQ} = \frac{BC}{QR} = \frac{CD}{RS} = \frac{DA}{SP}

Let's find the value of x by using the ratio of two corresponding sides of both quadrilaterals. Let's use:

\frac{CD}{RS} = \frac{DA}{SP}

CD = 5

RS = 4.5

DA = 4

SP = x

\frac{5}{4.5} = \frac{4}{x}

Cross multiply

5*x = 4.5*4

5x = 18

Divide both sides by 5

x = \frac{18}{5}

x = 3.6

6 0
3 years ago
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