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3 years ago

A rhombus TEMPhas coordinates A(-6, 3)

Mathematics

1 answer:

olga_2 [115]3 years ago

8 0

Answer:

A'(-6, -8)
B'(-7, -6)
C'(-6, -4)
D'(-5, -6)

Step-by-step explanation:

A 90° CCW rotation makes the transformation ...

(x, y) ⇒ (-y, x)

A translation 3 left and 2 down makes the transformation ...

(x, y) ⇒ (x -3, y-2)

The two transformations together are ...

(x, y) ⇒ (-y-3, x -2)

Then the given points are transformed to ...

A'(-6, -8)

B'(-7, -6)

C'(-6, -4)

D'(-5, -6)

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3 years ago

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3 years ago

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12x15y=4140; x+y= ? <br> solve.

Semenov [28]

Answer: The number of $12 tickets and $15 sold are 120 and 180 respectively.

Step-by-step explanation:

The given equation is:

12x + 15y = 4140 .....(1)

Where,

x stands for $12 tickets and y stands for $15 tickets

According to the question:

x + y = 300 ....(2)

Now solving equation 1 and 2.

From equation 2:

x = 300 - y

Now putting this expression in equation 1.

12x + 15y = 4140

12(300 - y) + 15y = 4140

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And,

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3 years ago

What is the area of the shaded sector

Whitepunk [10]

Answer:

Area = 634.21 square metre

Step-by-step explanation:

Area of shaded region = Area of the circle - Area of the sector

$Area \ of \ the \ circle = \pi r^2 = 225 \pi\\\\Area \ of \ the \ sector = \pi r^2 \frac{ \theta}{360} = \pi \times 225 \times \frac{37}{360}$

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Answer:

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