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Nataliya [291]
3 years ago
8

To prove the circles are similar, which sequence of transformations will map circle A with center (-5, -4) and radius 18 to circ

le M with center (-2, 3) and radius 6?
Question 15 options:

Translate <3, 7> then dilate by scale factor of 3


Translate <-3, -7> then dilate by scale factor of 3


Translate <-3, -7> then dilate by scale factor of 1/3


Translate <3, 7> then dilate by scale factor of 1/3
Mathematics
1 answer:
PSYCHO15rus [73]3 years ago
6 0

Answer:

<h2>Translate <3, 7> then dilate by scale factor of 1/3</h2>

Step-by-step explanation:

-2 - (-5) = 3

3 - (-4) = 7

6/18 = 1/3

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What property is -3+3=0?
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PLEASEEEEEEEEEE HELPPPPPPPPPPPPPPPPPPPPPPPPPPPP
Arisa [49]

Answer:

  • A = 18.85ft^2
  • 114cm^2
  • 835.578 in^2
  • 24o yd^2

Step-by-step explanation: I hope it helps :)

1.

Surface\: area=\:2\pi rh+2\pi r^2\\h = 2ft\\diameter = 2ft\\Radius = d/2=2/2=1ft\\\\A=( 2\times 3.141\times1\times2)+(2\times 3.141 \times 1^2)\\A = (12.564)+(6.282)\\A = 18.846\\A = 18.85ft^2

2.

Area \:of\: square = A=a^2\\A = 3^2\\A=9\\Area\:of \:one \:rectangle\: = (l\times b)\\ A = (8\times 3)\\A = 24cm^2\\\\A = 2(Area\: of\: square)+2(Area\: of \:rectangle)\\A = 2(9)+4(24)\\A = 18+96\\A =114cm^2

3.

Area \: of\: base=?\\ r = 7\:in\\h = 12\:in\\A = \pi \times r^2\\A = 3.141 \times 7^2\\A = 153.909\\\\Height \: of \:the \:cylinder = 12\:inches\\Circumference = 2\pi \times r\\C= 2 \times 3.141 \times 7\\ C =43.98\\\\S.A= 2B+Ch\\S.A = 2(153.909)+43.98(12)\\S.A = 307.818+527.76\\S.A =835.578

4.

Perimeter = a+b+c\\P = 10+8+6\\P = 24\\S.A =2B+Ph\\S.A = 2(24)+24(8)\\S.A =48+192\\S.A = 240\:yd^2

6 0
3 years ago
Solve: 10x - 4 (x-2) = 80<br>25 POINTS !!!
Arisa [49]
10x -4 (x - 2) = 80
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<span>8 + -8 + 6x = 80 + -8
</span><span>6x = 80 + -8
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<span>x = 12</span>
5 0
4 years ago
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