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Sedbober [7]
3 years ago
6

The blue rectangle undergoes a dilation that centers at (0, 0). What is the scale factor used in the transformation? Describe th

e effect of the scale factor on the blue rectangle's transformation.
A) The scale factor is 2. The blue rectangle enlarges by a factor of +2 and rotates 180°.

B) The scale factor is −2. The blue rectangle enlarges by a factor of +2 and rotates 90°.

C) The scale factor is −2. The blue rectangle enlarges by a factor of +2 and rotates 180°.

D) The scale factor is −2. The blue rectangle shrinks by a factor of

1

2

and rotates 180°.

Mathematics
1 answer:
yan [13]3 years ago
7 0

Answer:

idk

Step-by-step explanation:

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A circular path 3 feet wide has an inner diameter of 350 feet. How much farther is it around the outer edge of the path than aro
kobusy [5.1K]

Answer:

<u>18.84 feet</u> farther is it around the outer edge of the path than around the inner edge.

Step-by-step explanation:

Given:

A circular path 3 feet wide has an inner diameter of 350 feet.

Use 3.14 for π.

Now, to find how much farther is it around the outer edge of the path than around the inner edge.

Width of the circular path = 3 feet.

Inner diameter of circular path = 350 feet.

So, to get the inner radius we divide the inner diameter of circular path by width of circular path:

350\div 3

=116.67\ feet.

r = 116.67 feet.

Now,

<em>Thus, the outer radius is:</em>

116.67+3

=119.67\ feet.

R = 119.67 feet.

Now, we get the circumference of inner edge and outer edge:

Circumference of inner edge = 2πr.

Circumference\ of\ inner\ edge=2\times 3.14\times 116.67

                                                 =732.69\ feet.

Circumference of outer edge = 2πR.

Circumference\ of\ outer\ edge=2\times 3.14\times 119.67

Circumference\ of\ outer\ edge=751.53\ feet.

Now, to get how much farther is it around the outer edge of the path than around the inner edge:

<em>Circumference of outer edge - circumference of inner edge.</em>

751.53-732.69

=18.84\ feet.

Therefore, 18.84 feet farther is it around the outer edge of the path than around the inner edge.

4 0
3 years ago
The temperature is dropping 4° each hour how many degrees will temperature dropped in seven hours
a_sh-v [17]
The temperature would have dropped 28 degrees

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PLEASE PLEASE PLEASEE UGENT I don’t know how to solve these questions
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Answer:

Step-by-step explanation:

1). In ΔTPW and ΔGHD,

  Triangles will be congruent by the properties of congruence,

  1). SSS - (Sides - Side - Side) property of congruence

  2). SAS - (Side - Angle - Side) property of congruence

  3). ASA - (Angle - Side - Angle) property of congruence

2). ΔABE ≅ ΔMNP

   ∠A ≅ ∠M

   ∠B ≅ ∠N

   ∠E ≅ ∠P

   Side AB ≅ Side MN

   Side AE ≅ Side MP

   Side BE ≅ Side NP

   Another way to write the congruency statement → ΔAEB ≅ ΔMPN

3). ΔQRY ≅ ΔJLS

   ∠Q ≅ ∠J

   ∠R ≅ ∠L

   ∠Y ≅ ∠S

   Side QR ≅ Side JL

   Side RY ≅ Side LS

   Side QY ≅ Side JS

   Anthe way to write the congruency statement → ΔQYR ≅ ΔJSL

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How do you solve 3×(9+2-8÷16)
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3 years ago
Find sin ( a +b) if sin a + -20/29 where a is in the fourth quadrant and tan (b) = -15/8 where b is in the second quadrant
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Hope this helps! :))))

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