3 years ago

Triangle abc underwent a sequence of transformations to give triangle a’b’c’. Which transformations could not have taken place?

Mathematics

1 answer:

loris [4]3 years ago

7 0

Answer:

Either a reflection across the origin. Or a 180° clockwise rotation.

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When rewriting in the form y=a(x-h)+k, by completing the square, the relation y=-x*2+6x+12 becomes:

ankoles [38]

Answer:

Step-by-step explanation:

you can complete the square or use a calculator online that does it for you.

the equation is in the for y = a(x-h)^2 + k

it should be y = (x + 3)^2 + 3

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3 years ago

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What is the sum to 'n' terms of the series √5,√20,√45,√80,.....?

Yakvenalex [24]

Answer:

Sₙ = √5/2 n (n + 1)

Step-by-step explanation:

Given AP:

√5,√20,√45,√80,...

Rewriting as:

√5,√4*5,√9*5,√16*5,...
√5, 2√5, 3√5, 4√5,..., n√5

Common difference:

d= 2√5 - √5 = √5

Sum of n terms:

Sₙ = 1/2n (a₁ + aₙ) =
1/2n (√5 + √5 + (n-1)√5) =
1/2n (n + 1)√5=
√5/2 n (n + 1)

Sₙ = √5/2 n (n + 1)

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4 years ago

. Cara is playing a game. For each dart she can toss onto a board, she

Kaylis [27]

She will need 12 seconds because -20•12=-240

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3 years ago

? -2=2 answer immediately !!!!

Mandarinka [93]

Answer:

Step-by-step explanation:

4-2=2

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3 years ago

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I don’t understand how to do this.

prisoha [69]

Answer:

-9 = 0.45m

Step-by-step explanation:

0.45m -9 = 0.9m

-0.45m -0.45m

-9 = 0.45m

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3 years ago

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