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ozzi
3 years ago
11

PLEASE PLEASE HELP ME!!!!! Please show your work.

Mathematics
1 answer:
Liono4ka [1.6K]3 years ago
6 0

Answer:

Seth's solution is not correct. The x-coordinates are correct, but the y-coordinates are not. The graphs intersect at (-2, -7) and (3, 13).

Step-by-step explanation:

By equating the expressions for y and solving the resulting quadratic, Seth correctly found the x-coordinates of the points of intersection. He needs to compute the corresponding y-coordinates using one or the other of the original equations.

For x=-2,

y = 4·(-2) +1 = -7

For x=3,

y = 4·3 +1 = 13

The points of intersection are (-2, -7) and (3, 13).

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ABCD is a rhombus. Find AB. Give answer as a fraction in simplest form.<br>​
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Answer:

The length of AB = 97/3 units

Step-by-step explanation:

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We know that a rhombus is a quadrilateral whose four sides all have the same length.

Thus, the equation becomes

7x+2 = 4x+15

7x-4x = 15-2

3x = 13

x = 13/3

So, the length of CD = 7x+2 = 7(13/3)+2

                                               = 91/3 + 2

                                               =  97/3

And, the length of BC = 4x+15 = 4(13/3) + 15

                                                  = 97/3

  • We already know that a rhombus is a quadrilateral whose four sides all have the same length.

Thus, the length of AB = 97/3 units

         

5 0
3 years ago
Read 2 more answers
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Answer:

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