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2 years ago

8

If ABCDE is reflected across the line y=-1, then reflected again across they

2 answers:

adoni [48]2 years ago

3 0

Answer:

B (-4,-4)

Step-by-step explanation:

Mila [183]2 years ago

3 0

Answer:

B

Step-by-step explanation:

Since it is currently at (4,2), reflecting it across y=-1 will bring the y-coordinate down to -4. After that, reflecting it across the y-axis will flip the sign in front of the x-coordinate, so 4 to -4. Therefore, your answer is (-4,-4).

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In rectangle ABCD, find x and y.

soldier1979 [14.2K]

Answer: x=5 y=6

Step-by-step explanation: 6y=3× +21
6y-6=2× +20
Opposite sides of the rectangle are equal
Substitute 3x +21 into 6y in the second equation.

8 0

1 year ago

What’s the answer but you also have to simplify

Jlenok [28]

Answer:

<em><u>The</u></em><em><u> </u></em><em><u>answer</u></em><em><u> </u></em><em><u>is</u></em><em><u> </u></em><em><u>9x</u></em><em><u>²</u></em><em><u> </u></em><em><u>+</u></em><em><u> </u></em><em><u>3x</u></em><em><u> </u></em><em><u>-</u></em><em><u> </u></em><em><u>2</u></em><em><u>.</u></em>

Step-by-step explanation:

1) Collect like terms.

$(7x^{2} + {2x}^{2} ) + ( - 2x + 5x) + (8 - 10)$

2) Simplify.

${9x}^{2} + 3x - 2$

<em><u>Therefor</u></em><em><u>,</u></em><em><u> </u></em><em><u>the</u></em><em><u> </u></em><em><u>answer</u></em><em><u> </u></em><em><u>is</u></em><em><u> </u></em><em><u>9x</u></em><em><u>²</u></em><em><u> </u></em><em><u>+</u></em><em><u> </u></em><em><u>3x</u></em><em><u> </u></em><em><u>-</u></em><em><u> </u></em><em><u>2</u></em>.

6 0

2 years ago

Which is the best name for the quadrilateral with vertices at (2,2) (5,-2) (1,-5) (-2,-1)

Bad White [126]

Answer:

square

Step-by-step explanation:

A graph reveals all side lengths are the same and sides are perpendicular. The quadrilateral is a square.

4 0

3 years ago

Estimate 462809 + 256738

mafiozo [28]

462809 round off to 500000.
256738 round off to 300000.
500000+300000=800000

5 0

3 years ago

Question<br> Which of the following is a factor of 62 - 6b - 16?<br> ob+8<br> .<br> ob-4<br> ob- 8

bagirrra123 [75]

Answer: −6b+46

Step-by-step explanation:

62 - 6b - 16

−6b+(62−16)

−6b+46

3 0

2 years ago