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alisha [4.7K]
3 years ago
6

A coordinate plane with two polygons is shown. Polygon EFGH has vertices E at 1 comma 1, F at 1 comma 4, G at 5 comma 4, and H a

t 4 comma 1. Polygon E prime F prime G prime H prime has vertices at E prime negative 1 comma 2, F prime negative 4 comma 2, G prime negative 4 comma 6, and H prime at negative 1 comma 5. What set of transformations is performed on EFGH to form E′F′G′H′?
Mathematics
2 answers:
Firlakuza [10]3 years ago
8 0

Answer:

Just here so you can give them brianliest but the answer is B!

Step-by-step explanation:

svetoff [14.1K]3 years ago
4 0

Answer:

B. A translation 1 unit to the right followed by a 90-degree counterclockwise rotation about the origin

Step-by-step explanation:

Polygons EFGH and E′F′G′H′ are shown on the coordinate grid:

What set of transformations is performed on EFGH to form E′F′G′H′?

A. A translation 1 unit to the left followed by a 90-degree counterclockwise rotation about the origin

B. A translation 1 unit to the right followed by a 90-degree counterclockwise rotation about the origin

C. A 90-degree clockwise rotation about the origin followed by a translation 2 units to the right

D. A 90-degree clockwise rotation about the origin followed by a translation 2 units to the left

Answer: Transformation is the movement of a point from its initial location to a new location. Types of transformation are reflection, translation, dilation and rotation.

If a point X(x, y) is translated a units right and b units up, the new location is (x + a, y + b) also If a point X(x, y) is translated a units left and b units down, the new location is (x - a, y - b)

If a point X(x, y) rotated 90-degree counterclockwise about the origin, the new location is X'(-y, k)

Polygon EFGH has vertices E(1, 1), F(1, 4), G(5, 4), and H(4, 1). If the polygon is translated 1 unit right, the new location is E*(2, 1), F*(2, 4), G*(6, 4) and H*(5, 1).

If it is then rotated 90-degree counterclockwise about the origin, the new location is E'(-1, 2), F'(-4, 2), G'(-4, 6) and H'(-1, 5)

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Im stuck on this one
nika2105 [10]

ABC is a right triangle, so by Pythagoras' theorem,

AB^2+AC^2=BC^2\implies BC=\sqrt{4^2+9^2}=\sqrt{97}

Then by the law of sines,

\dfrac{\sin A}{BC}=\dfrac{\sin C}{AB}\iff\dfrac1{\sqrt{97}}=\dfrac{\sin C}4\implies\sin C=\dfrac4{\sqrt{97}}

\implies C=\sin^{-1}\dfrac4{\sqrt{97}}\approx24^\circ

5 0
3 years ago
Sanjay sold 8kg of sugar at Rs 28 per kg and earned a profit of Rs 40 What was the cost price per kg
JulijaS [17]

Answer:

23

Step-by-step explanation:

8 kg * 28 per kg = Rs. 224

Profit = Rs. 40

CP = SP - Profit

224 - 40

184

184 / 8

23

4 0
2 years ago
Camila owns a car worth $5,900 and owes $2,800 on the car loan. She has $1,600 in her bank account and $5,210 in a savings accou
ohaa [14]

Answer:

Net\ Worth=11310

Step-by-step explanation:

From the question we are told that:

Car worth C=5900\$

Car LoanL=2800\$

Bank account B= 1600\%

Savings account S=5210\&

Credit card CC=1400\%

Generally Net worth is the value of the assets a person or corporation owns, minus the liabilities they owe.

Therefore

Net\ Worth=Asset-Liability\\\\Net\ Worth=Car worth+Bank account+Savings account +Credit card-Car Loan\\\\Net\ Worth=5900+1600+5210+1400-2800

Net\ Worth=11310

3 0
3 years ago
Read 2 more answers
What is the absolute value of 8.7
kolbaska11 [484]
8.7 The absolute value just makes stuff positive.
3 0
3 years ago
Read 2 more answers
What is the equation of the horizontal line that passes through (-4, 6)
inessss [21]

Answer:

The answer would be y=6

Step-by-step explanation:

This is because when we are looking at horizontal lines, we look at the y-coordinate to determine a line because the y-axis is what determines height.

If you liked my answer, please consider giving me a Brainliest!

6 0
3 years ago
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