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Taya2010 [7]
3 years ago
14

Which transformations could be performed to show that ΔABC is similar to ΔA'B'C'? *

Mathematics
1 answer:
Arte-miy333 [17]3 years ago
6 0

Answer:

a reflection over the y-axis, then a dilation by a scale factor of 1.5

Step-by-step explanation:

im smart

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Can you answer questions 71, and 72?
antiseptic1488 [7]
I think 71 is B
and 72 is D.

6 0
3 years ago
A 12-foot by 15-foot patio is increased by placing a stone border around the patio. The width of the border is the same all arou
Arisa [49]

Complete question :

A 12-foot by 15-foot patio is increased by placing a stone border around the patio. The width of the border is the same all around the patio.The perimeter of the patio after it is expanded is 74 feet. The equation which represents x, the width of the border is 2[(12+2x)+15+2x)]=74. What is the width of the border?

1) 2 1/2 feet

2) 3 feet

4) 5 feet

5) 8 1/2 feet

Answer:

2.5

Step-by-step explanation:

Solving for X in the perimeter equation :

2[(12+2x)+15+2x)]=74

Open the bracket

2[(12 + 2x + 15 + 2x)] = 74

2(27 + 4x) = 74

54 + 8x = 74

8x = 74 - 54

8x = 20

x = 20/8

x = 2.5

Hence, width fo border = 2.5

5 0
3 years ago
Square root of 81 minus square root of negative 48 answer in a + bi form
galina1969 [7]

Answer:

9-6.92820323i Nothing else can be done.

Step-by-step explanation:

-48 is not a perfect square but 81 is a square. When you try to square -48 it comes to be 6.92820323i.

4 0
3 years ago
Please help me factorize this<br>x(a-<br><img src="https://tex.z-dn.net/?f=x%28a%20-b%29%20%2B%20a%20-%20b" id="TexFormula1" tit
Nostrana [21]
I’m not sure but I think it’s:
(a-b)(x+1)
7 0
3 years ago
Eric runs 3 miles in 28 minutes. at the same rate how many miles would he run in 42 minutes?
Nastasia [14]
3miles/ 28 minutes times 42 minutes is equal to 4.5 miles.

Therefore, Eric run 4.5 miles in 42 minutes.

Hopefully this helps!
7 0
3 years ago
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