3 years ago

Triangle ABC and its transformation DEF are shown. What transformation of triangle ABC produced triangle DEF?

Mathematics

2 answers:

Ugo [173]3 years ago

7 0

Answer:

the answer is C

Step-by-step explanation:

1st i looked at it and said oh this makes sense and hesitated and went with my gut. moral of the story is "trust YOUR gut."

xz_007 [3.2K]3 years ago

3 0

Answer:

i need a picture to give you the right answer

Step-by-step explanation:

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Answer:

Probability is O %

Step-by-step explanation:

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3 years ago

A passenger train has tickets available for 12 window seats and 8 aisle seats. The next person to buy a ticket will be randomly

Svetradugi [14.3K]

Answer:

2/5

Step-by-step explanation:

There is an 8/20 chance that the next person will receive a window seat. You simplify that probability to get your answer. 8/20 becomes 2/5. So the answer is 2/5.

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3 years ago

(1 - cosx) (1 + 1/cosx) = sinxtanx

Nataly [62]

Answer:

cos x ≠ 0 ⇔ x ≠ $\frac{pi}{2}+k.pi$ ; k ∈ N

$(1-cosx)(1+\frac{1}{cosx})=sinx.tanx\\\\(1-cosx)(\frac{cosx+1}{cosx})=sinx.\frac{sinx}{cosx}\\\\ \frac{1-cos^{2} x}{cosx} =\frac{sin^{2}x }{cosx}\\\\=>1-cos^{2}x=sin^{2}x$

<=> cos²x + sin²x = 1

⇔ 1 = 1

=> x = { R \ (pi/2 + k.pi); k ∈ N}

Step-by-step explanation:

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3 years ago

Alex sold wrapping paper rolls (r) as part of a school fundraiser. He earned a total of 165 reward points from his sales. Using

Dafna11 [192]

He sold 66 wrapping paper because all you want to do is divide

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3 years ago

Which equation represents seven times a number decreased by 2 is 19? A) 7 + x - 2 = 19 B) 7x + 2 = 19 C) 2x - 7 = 19 D)

Helen [10]

Answer:

7n - 2 = 19

Step-by-step explanation:

7 times a number is 7n.

7 times a number, decreased by 2, is 7n - 2.

7 times a number, decreased by 2, is 19 is represented by 7n - 2 = 19

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3 years ago